Switchsync® PWC600
Version 3.0
Product guide
Document ID: 1MRK511825-BEN
Issued: October 2024
Revision: B
Product version: 3.0
© 2024 Hitachi Energy. All rights reserved.
Copyright
This document and parts thereof must not be reproduced or copied without written permission from
Hitachi Energy, and the contents thereof must not be imparted to a third party, nor used for any
unauthorized purpose.
The software and hardware described in this document are furnished under a license and may be used
or disclosed only in accordance with the terms of such license.
Third Party Copyright Notices
For detailed information about the third party copyright, refer to PWC600 OSS licenses declaration
(1MRK511836-UEN).
Trademarks
Switchsync, Relion, and PCM600 are registered trademarks of Hitachi Energy.
All other brand or product names mentioned in this document may be trademarks or registered
trademarks of their respective holders.
Warranty
Please inquire about the terms of warranty from your nearest Hitachi Energy representative.
Disclaimer
This document contains information about one or more Hitachi Energy products and may include a
description of or a reference to one or more standards that may be generally relevant to the Hitachi
Energy products. The presence of any such description of a standard or reference to a standard is not a
representation that all the Hitachi Energy products referenced in this document support all the features
of the described or referenced standard. In order to determine the specific features supported by a
particular Hitachi Energy product, the reader should consult the product specifications for that Hitachi
Energy product. In no event shall Hitachi Energy be liable for direct, indirect, special, incidental, or
consequential damages of any nature or kind arising from the use of this document, nor shall Hitachi
Energy be liable for incidental or consequential damages arising from the use of any software or
hardware described in this document.
Hitachi Energy may have one or more patents or pending patent applications protecting the intellectual
property in the Hitachi Energy products described in this document. The information in this document
is subject to change without notice and should not be construed as a commitment by Hitachi Energy.
Hitachi Energy assumes no responsibility for any errors that may appear in this document.
All people responsible for applying the equipment addressed in this manual must satisfy themselves that
each intended application is suitable and acceptable, including compliance with any applicable safety or
other operational requirements. Any risks in applications where a system failure and/or product failure
would create a risk for harm to property or persons (including but not limited to personal injuries or
death) shall be the sole responsibility of the person or entity applying the equipment, and those so
responsible are hereby requested to ensure that all measures are taken to exclude or mitigate such
risks.
Products described or referenced in this document are designed to be connected and to communicate
information and data through network interfaces, which should be connected to a secure network. It
is the sole responsibility of the system/product owner to provide and continuously ensure a secure
connection between the product and the system network and/or any other networks that may be
connected.
The system/product owners must establish and maintain appropriate measures, including, but not limited
to, the installation of firewalls, application of authentication measures, encryption of data, installation
of antivirus programs, and so on, to protect these products, the network, its system, and interfaces
against security breaches, unauthorized access, interference, intrusion, leakage, and/or theft of data or
information.
Hitachi Energy performs functionality testing on released products and updates. However, system/
product owners are ultimately responsible for ensuring that any product updates or other major system
updates (to include but not limited to code changes, configuration file changes, third-party software
updates or patches, hardware change out, and so on) are compatible with the security measures
implemented. The system/product owners must verify that the system and associated products function
as expected in the environment in which they are deployed. Hitachi Energy and its affiliates are not
liable for damages and/or losses related to security breaches, any unauthorized access, interference,
intrusion, leakage, and/or theft of data or information.
This document and parts thereof must not be reproduced or copied without written permission from
Hitachi Energy, and the contents thereof must not be imparted to a third party nor used for any
unauthorized purpose.
Conformity
This product complies with the directive of the Council of the European Communities on the
approximation of the laws of the Member States relating to electromagnetic compatibility (EMC Directive
2014/30/EU) and concerning electrical equipment for use within specified voltage limits (Low-voltage
directive 2014/35/EU). This conformity is the result of tests conducted by Hitachi Energy in accordance
with the product standards EN 60255-26 for the EMC directive, EN 60255-1 & EN 60255-27 for
the low voltage directive, and EN 50121-5 for Railway applications (Emission and immunity of fixed
power supply installations and apparatus). The product is designed in accordance with the international
standards of the IEC 60255 series.
1MRK511825-BEN Rev. B
Table of contents
Table of contents
Section 1
Introduction........................................................................................................ 3
1.1
1.2
1.3
1.4
1.5
1.5.1
1.6
1.6.1
1.6.2
This manual................................................................................................................................3
Intended audience......................................................................................................................3
Related documents.................................................................................................................... 3
Document revision history.......................................................................................................... 3
Product documentation.............................................................................................................. 4
Product documentation set.......................................................................................................4
Document symbols and conventions..........................................................................................4
Symbols....................................................................................................................................4
Document conventions.............................................................................................................5
Section 2
Application......................................................................................................... 6
2.1
2.2
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.3
2.4
2.5
2.5.1
2.5.2
2.5.3
2.6
2.6.1
2.6.1.1
2.6.1.2
2.6.1.3
2.6.1.4
2.6.2
2.6.3
2.7
2.7.1
2.7.2
2.7.3
Introduction.................................................................................................................................6
Load applications....................................................................................................................... 6
Capacitor bank......................................................................................................................... 6
Shunt reactor............................................................................................................................7
Power transformer....................................................................................................................7
Power cable .............................................................................................................................8
Transmission line .....................................................................................................................8
Variable applications................................................................................................................ 9
Controlled switching targets ...................................................................................................... 9
Circuit breaker properties......................................................................................................... 10
Optimization of accuracy.......................................................................................................... 11
Parameter compensation....................................................................................................... 11
Adaptive correction.................................................................................................................11
Target optimization for controlled closing .............................................................................. 12
Monitoring and supervision...................................................................................................... 13
Electrical operations monitoring............................................................................................. 13
Circuit breaker electrical status......................................................................................... 13
Detection of electrical switching instants...........................................................................14
Detection of re-ignitions/re-strikes.....................................................................................14
Interrupter wear................................................................................................................. 14
Mechanical operations monitoring..........................................................................................14
Coil circuit supervision............................................................................................................15
Requirements on external equipment...................................................................................... 15
Circuit breaker........................................................................................................................ 15
Current transformers.............................................................................................................. 15
Voltage transformers.............................................................................................................. 15
Section 3
Product description......................................................................................... 16
3.1
3.2
Introduction...............................................................................................................................16
Function principle..................................................................................................................... 16
Switchsync® PWC600
Product guide
1
© 2024 Hitachi Energy. All rights reserved.
Table of contents
1MRK511825-BEN Rev. B
3.3
3.3.1
3.3.2
3.4
3.4.1
3.4.2
3.4.3
3.4.4
User interfaces......................................................................................................................... 18
Web interface (WHMI)............................................................................................................18
Local HMI (LHMI)................................................................................................................... 19
Communication ....................................................................................................................... 19
Communication protocols.......................................................................................................19
Data exchange....................................................................................................................... 19
Communication ports............................................................................................................. 19
Time synchronization..............................................................................................................20
3.4.5
3.5
Cyber security........................................................................................................................ 20
PCM600 tool.............................................................................................................................20
Section 4
Hardware description...................................................................................... 22
4.1
4.2
4.3
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.3.6
4.3.7
4.3.8
4.4
4.4.1
4.4.2
Overview.................................................................................................................................. 22
Available hardware slots and slot numbering........................................................................... 22
Hardware modules................................................................................................................... 22
Power supply module PSN1...................................................................................................22
Communication and processing module CB40...................................................................... 22
Binary input module BILD.......................................................................................................23
Relay binary output module BORO........................................................................................ 23
Static output module BOSO................................................................................................... 23
Current transformer input module AIC4................................................................................. 23
Current input terminals CTT1 and CTT5................................................................................ 23
Voltage transformer input module AIV4..................................................................................23
Mounting alternatives............................................................................................................... 24
Rack mounting....................................................................................................................... 24
Flush mounting.......................................................................................................................24
Section 5
Certification and Connection diagrams.........................................................26
5.1
5.2
Certification ............................................................................................................................. 26
Connection diagrams............................................................................................................... 26
Section 6
Technical data.................................................................................................. 27
6.1
6.2
6.2.1
6.2.2
6.2.3
6.3
6.4
6.5
IED........................................................................................................................................... 27
Energizing quantities, rated values and limits.......................................................................... 28
Environmental conditions....................................................................................................... 28
Analog inputs..........................................................................................................................28
Influencing factors.................................................................................................................. 29
Hardware modules................................................................................................................... 30
Electrical safety........................................................................................................................ 33
Connection system...................................................................................................................33
Section 7
IED Ordering and Accessories....................................................................... 35
7.1
7.2
Ordering................................................................................................................................... 35
Accessories.............................................................................................................................. 35
Section 8
Application data............................................................................................... 37
Section 9
Glossary............................................................................................................38
2
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 1
1.1
Section 1
Introduction
Introduction
GUID-5FDC7075-8302-4253-8A6E-CD464782B60F v1
This manual
GUID-3BD5C6C4-16F8-430B-8DB0-133A6E61EF08 v2
This product guide provides information about PWC600 product, such as application usage, feature
packages available with the product, information about hardware and hardware packaging including
adherence to type test standards. The product guide also provides information about customizing the
product and creating a product order code.
1.2
Intended audience
GUID-D9A380F0-449B-424C-9F20-279C7E946CEF v1
This document addresses personnel requiring an overview of the product, its capabilities and
performance properties, as well as defining a product configuration.
Important:
Commissioning a point-on-wave controller such as Switchsync PWC600 requires
comprehensive knowledge on controlled switching in power systems, to assess and fully
validate the performance of the controlled switching system.
Aside from well-known occupational hazards inherent to working in an energized substation,
improper commissioning may introduce additional risks such as damage to neighboring
primary equipment, accelerated equipment wear, or even severe physical harm to substation
personnel.
Commissioning of PWC600 shall include live switching operations and shall be performed
only by qualified personnel that is knowledgeable about this type of controller, technology,
and field of implementation.
1.3
Related documents
GUID-42926503-028A-4885-96EA-39CE83211411 v9
Table 1: Related documents
1.4
Documents
Document ID
User manual
1MRK511778-UEN
Quick start guide
1MRK511826-UEN
Technical manual
1MRK511779-UEN
Communication protocol manual ED.1, ED.2 and ED.2.1
1MRK511828-UEN
IEC 61850 data model desc Ed.2 and Ed.2.1
1MRK511829-WEN
Type test certificate
1MRK511827-TEN
Cybersecurity deployment guideline
1MRK511835-UEN
OSS licenses declaration
1MRK511836-UEN
Document revision history
GUID-D5A1AF37-7CD2-4517-B5FC-08795AD7D67D v1
Table 2: Document revision history
Document revision
Date
Product version
History
A
2024-10
3.0.1
Document not released.
B
2024-10
3.0.1
First release
Switchsync® PWC600
Product guide
3
© 2024 Hitachi Energy. All rights reserved.
Section 1
Introduction
1MRK511825-BEN Rev. B
1.5
Product documentation
1.5.1
Product documentation set
GUID-39A9874F-CDA5-4901-A382-39EB4090780A v1
GUID-3F2E67EF-154A-4BAC-A07D-9B6FF433325A v2
Decommissioning
Deinstalling & disposal
Maintenance
Operation
Commissioning
Installing
Engineering
Quick start
Planning & purchase
This manual is part of the product documentation covering specific workflows or activities, as shown in
Figure 1.
Quick start guide
Product guide
User manual
Technical manual
Communication
protocol manual
Cybersecurity
deployment guideline
GUID-790ED0F7-3EE4-4809-AB34-8C73B4A845BC V1 EN-US
Figure 1: The intended use of manuals throughout the product lifecycle
1.6
Document symbols and conventions
GUID-EE2DDA74-F449-4560-A2A6-13C99E3F5475 v1
The following symbols and document conventions are used throughout the documentation:
1.6.1
Symbols
GUID-73E89D47-0DD2-462E-A19B-7C7AD70E7014 v1
The information icon alerts the reader of important facts and conditions.
The tip icon indicates advice on, for example, how to design your project or how to use a
certain function.
Although warning hazards are related to personal injury, it is necessary to understand that, under
certain operational conditions, the operation of damaged equipment may result in degraded process
performance, leading to personal injury or death. It is important that the user fully complies with all
warning and cautionary notices.
4
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
1.6.2
Section 1
Introduction
Document conventions
GUID-E264C946-19E6-434B-BCFA-4A6B8B1FF4ED v2
• Abbreviations and acronyms used in this manual are spelled out in the glossary. The glossary also
contains definitions of important terms.
• Dimensions are provided in millimeters unless otherwise specified.
• Usage of terms
• The term IED (Intelligent Electronic Device) is used in this manual interchangeable with PWC600 as
a product within that device category.
• The term HMI refers to :
• LHMI refers to physical Local Human Machine Interface that comprises a 7" touch screen with
indication and status LEDs.
• WHMI refers to Web-based Human Machine Interface. It is accessible via any modern web
browser, locally through a service port or remotely through the access points LAN/WAN.
Switchsync® PWC600
Product guide
5
© 2024 Hitachi Energy. All rights reserved.
Section 2
Application
1MRK511825-BEN Rev. B
Section 2
2.1
Application
Introduction
GUID-9EF14101-C2F3-4722-BF9F-A12644F91211 v4
Switchsync® PWC600 is a point-on-wave controller, which is used to reduce electrical stresses imposed
on the circuit breaker as well as on the switched load during energization and de-energization
operations. Switchsync PWC600 can be used for controlled switching of all major load applications
including reactors, capacitor banks, cables, transformers, and transmission lines, each with various
design and connection configurations. Circuit breaker closing and opening commands that are not time
critical are routed through Switchsync PWC600. The device (IED) then issues individual commands to
the circuit breaker poles depending on the load to be switched, considering its connection and design
configuration.
Recommended switching targets for common load types are programmed into the software tools.
PWC600 is able to dynamically select one out of several controlled switching scenarios, which is
relevant, for example, for the middle (tie) breaker in a 1½ CB arrangement.
After completion of a controlled switching operation, Switchsync PWC600 compares the actual with
the target switching instants. The results are used to optimize the estimated operating times of the
circuit breaker in the next operation. This process is known as “adaptive correction”; it compensates for
systematic changes in the circuit breaker’s operation characteristics.
Deterministic changes in operating times due to internal or external parameters, such as auxiliary
voltage, idle time, ambient temperature, drive energy, can also be compensated using individual
compensation curves. Respective sensor signals are either embedded in the IED itself, or they can
be received from remote sources via IEC 61850 analog GOOSE messages.
Switchsync PWC600 is capable of calculating the expected remaining life of the circuit breaker in terms
of number of operations and electrical interrupter wear (ablation of arcing contacts, erosion of nozzles).
This is based on interrupted primary current and status signals of CB auxiliary contacts.
On every supervised signal, Switchsync PWC600 can generate warnings and alarms when crossing
assigned limits. Such conditions can be indicated visually by LEDs on the LHMI, electrically by alarm
contacts on the IED, or remotely via its Ethernet communication interfaces. Each supervision alarm can
be individually enabled or disabled.
2.2
Load applications
GUID-A3C989DF-31D3-4A17-B39B-55E2EC9F455B v2
Switchsync PWC600 is designed for point-on-wave switching (also known as controlled switching)
of capacitor banks, reactors, transformers, transmission lines, and power cables. For each type of
equipment and its design and connection configuration, the Switchsync Setting Tool (SST) proposes
controlled switching strategies based on CIGRE recommendations. These switching strategies can be
directly adopted by the user or modified as needed. This provides full flexibility in accommodating load
applications other than the pre-defined ones.
The following load applications are included in PWC600 along with recommended switching strategies.
2.2.1
Capacitor bank
GUID-B74BC808-1076-41B2-9FF3-813908409C08 v2
Non-ideal energization of a capacitor bank may result in high transient inrush currents and, in turn, high
switching overvoltages. To minimize inrush currents, energization shall be performed near gap voltage
zero of each pole of the circuit breaker connected to the capacitor bank. In this regard, the connection
configuration of the capacitor bank shall be considered for deciding the optimum switching targets for
individual poles of the circuit breaker.
6
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 2
Application
Controlled de-energization is typically not needed, given that most modern CBs show a very low
probability of re-strikes; however, in some cases, an increased safety against re-strikes may be
preferred. Controlled opening targets are set to ensure sufficient arcing time such that an adequate gap
is achieved between contacts at the time of arc extinction. The time between arcing contact separation
until natural current zero where arc is expected to be quenched is known as “arcing time”. Consequently,
arcing times shall be determined considering the expected natural current zero across individual poles of
the circuit breaker based on the connection configuration of the capacitor bank.
2.2.2
Shunt reactor
GUID-08C3C3E9-EEC5-4D7C-BED4-0E96FE9B660C v2
When de-energizing a reactor, interaction between the reactor's inductance and stray capacitances
will cause oscillating voltage transients with frequency in the range of kHz. Generally, for the latest
generation of CBs, current is interrupted in the vicinity of a natural current zero in each pole with very
low value of chopping currents. Consequently, the voltage transient across the breaker (TRV) may not
have too high magnitude, but will have a very short rise time in the range of a millisecond. This can
lead to breakdown of the dielectric withstand of the contact gap and hence, reappearance of the current
through arcing. This phenomenon is known as a re-ignition and is not desirable because it may be
harmful to both shunt reactor and circuit breaker. Controlled opening is used to minimize the probability
of unwanted re-ignitions by ensuring sufficient gap between the arcing contacts at the time of natural
current zero, where the arc is expected to be quenched. The needed arcing time shall be evaluated
considering the last half-cycle length (which may be extended or shortened due to interaction between
phases) and probable overvoltage across the contact gap in each CB pole post successful interruption.
Controlled energization of reactors may be implemented to reduce the asymmetry in charging current
due to an initial DC component. It is worth noting that reactor cores do not typically saturate and hence,
the charging current will have sinusoidal waveshape (power frequency only) with exponentially decaying
DC component. The energization target is gap voltage peak for each individual CB pole.
Certain magnetic reactor designs or electrical connection configurations will create inter-phase coupling
effects upon switching. These include 3-limb core design, which causes magnetic coupling between
phases, Y (ungrounded) or delta connection schemes, or grounding through a neutral impedance. The
switching targets for the individual CB poles should be evaluated considering these effects.
2.2.3
Power transformer
GUID-5454F0D7-59EF-4C4C-A6E6-83D70D13E1ED v1
During no-load energization of a transformer, controlled switching is used for reducing inrush currents
and, consequently, voltage distortion in the power system. In a weak grid, this distortion can lead to
considerable voltage dip. If the transformer is directly connected to a long transmission line, it may
create temporary overvoltage due to resonance of the line capacitance with the transformer inductance.
This can even lead to nuisance tripping of other equipment connected to the same grid.
The latest generation of power transformers exhibits very low levels of no-load losses (in range of
0.5-1% of the full load current). To achieve the same with optimum design, the magnetizing curves
of transformer cores are dimensioned for high operating flux densities having the saturation point just
above the rated voltage of the transformer. This may lead to very steep rise in magnetizing inrush
current in case of just a small level of asymmetry in the operating flux. In addition, inter-phase coupling
effects – either because of electrical coupling (due to at least one delta connected winding) or of
magnetic coupling (through a three-limb core) – will result in inter-dependency between resultant fluxes
linking with individual phase windings. Therefore, asymmetry in resultant flux of one phase will impact
the resultant flux linkage and, hence, inrush current in other windings. In this context, the fluxes linking
with individual phases are termed as “dynamic fluxes”.
It can be well appreciated that achieving symmetrical flux upon energization requires consideration of
residual fluxes in the core observed during the previous de-energization, of the interphase dependency
(dynamic fluxes) based on winding configurations (vector group), and of the core design type (3 limb,
4/5 limb or single-phase bank) of the transformer. Consequently, the controlled energization strategy
shall aim at energizing the individual poles on the reference voltage waveform in such a way that the
resultant dynamic fluxes will be symmetric. To mitigate magnetic inrush current, no-load energization of
Switchsync® PWC600
Product guide
7
© 2024 Hitachi Energy. All rights reserved.
Section 2
Application
1MRK511825-BEN Rev. B
a transformer should be performed at a phase angle where the source side flux matches the transformer
side flux. This will create symmetric resultant flux in each limb, avoiding core saturation and resulting in
minimized magnetizing current.
PWC600 offers two approaches to considering residual flux while deciding controlled energization
targets.
1. Residual flux “locking”: In this method, controlled opening is used to set a repeatable pattern of
residual fluxes during transformer de-energization. The subsequent closing for individual poles is
targeted in such a way that the resultant fluxes will have minimum level of asymmetry. Therefore,
this method comes with fixed controlled energization targets.
2. Residual flux evaluation (PWC600-HT and -HLT models only): If inductive voltage transformers are
directly connected to any winding of the transformer (primary, secondary, or tertiary if applicable)
in two or more phases, their outputs can be used to evaluate the actual residual fluxes arising in
the core. This is achieved by converting the measured voltages to limb voltages (which produce
the fluxes in each transformer limb). During de-energization, the limb voltages are integrated to
obtain phase-wise residual fluxes. This is done for every manual, automatic, or protection trip of
the transformer CB based on transformer voltage amplitude. By matching the prospective dynamic
fluxes with the evaluated residual fluxes, PWC600 evaluates phase-wise optimal making targets
for the next controlled energization. Therefore, in this method controlled de-energization is not
necessary.
2.2.4
Power cable
GUID-FE8A6406-D763-476F-9606-0BA1A2795AC4 v3
For discharged power cables, controlled energization is used to minimize the switching overvoltage
especially at the far end of the cable. To achieve this, like capacitor bank, energization is targeted at gap
voltage zero in the individual CB poles.
Long cables are often compensated with shunt reactors at one or two ends to minimize reactive power
pull during off-load operation. In such conditions, energizing at voltage zero may cause high asymmetry
of the current through the circuit breaker with no zero crossings for several power cycles. This “missing
current zeros” phenomenon carries the risk of circuit breaker failure in case of protection trip shortly
after energization of the cable. Therefore, the energization targets shall be shifted away from voltage
zero to ensure acceptable asymmetry of the inrush currents, based on the highest expected degree of
compensation.
Similar to capacitor banks, controlled opening is typically not needed when switching power cables.
Nevertheless, controlled de-energization (excluding fault trip) can be applied for ensuring re-strike free
operation of the circuit breaker, in case excessive switching overvoltages are envisaged through system
studies.
2.2.5
Transmission line
GUID-07553B18-F198-4D33-BBF4-4DBED30E49AE v1
Controlled energization of a no-load transmission line is applied to minimize the switching overvoltage
along the line, especially at the far end. To achieve this, energization is targeted at gap voltage zero in
the individual CB poles.
Controlled switching can also be applied during auto-reclosing of a line breaker. Here, the trapped
charge on the line must be considered in determining the optimal reclosing targets. For an
uncompensated line, this trapped charge voltage has the form of a slowly decaying DC; only when
inductive voltage transformers are connected to the three phases of the line, they will usually drain the
charge by the time of reclosing so that the line can be considered discharged. For a shunt compensated
line, the trapped charge in the line capacitance will oscillate with the reactor inductances, forming a
complex beat pattern across the CB; finding the optimal reclosing targets requires sophisticated signal
processing algorithms. In either case, reclosing should not be executed before any secondary arc along
the line is extinguished.
8
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 2
Application
Long transmission lines are often compensated with shunt reactors at one or two ends to minimize the
reactive power pull during off-load operation. In such conditions, energizing or reclosing at gap voltage
zero may cause high asymmetry of the current through the circuit breaker with no zero crossings for
several power cycles. This “missing current zeros” phenomenon carries the risk of circuit breaker failure
in case of protection trip shortly after re‑energization of the line. Therefore, the energization targets
and reclosing targets shall be shifted after voltage zero to ensure acceptable asymmetry of the inrush
currents, based on the highest expected degree of compensation.
Similar to capacitor banks, controlled opening is typically not needed when switching transmission lines.
Nevertheless, controlled de-energization (excluding fault trip) can be applied for ensuring re-strike free
operation of the circuit breaker.
2.2.6
Variable applications
GUID-10FB53BF-40D7-45DA-A44C-9F4523D178F9 v3
In a 1½ circuit breakers arrangement, the middle (tie) breaker is connected to a load on each end. The
same is applicable to every breaker in a ring layout. These two loads may be of the same type but more
often they are different.
The traditional approach to optimize controlled switching of both loads was to install two point-onwave (POW) controllers for the breaker, together with a hardware logic for transferring control to the
appropriate POW controller. PWC600 can accommodate these functionalities in a single device through
a feature called Setting Groups, which allows automatic selection of different parameter sets based on
external signals or conditions.
Variable applications, where setting groups are beneficial, include:
• For the tie breaker in 1½-CB or ring arrangements, automatically select the appropriate reference
source and switching strategy depending on the status of adjacent switches and/or voltage sources.
• In a double-busbar arrangement, select the appropriate busbar VT as reference, without the need for
external circuits for switching the VT signals.
• For power transformers, if the residual flux "locking" strategy is used, apply a fallback strategy for
closing (assuming zero residual flux) whenever the CB was opened not by PWC600.
• For loads with variable electrical configuration, e.g. switchable earthing of neutral point, apply the
optimal switching strategy in all cases.
• For any application, bypass the controlled switching functionality whenever an external or internal
binary signal is asserted.
• For FAT or similar situations, where the actual CB is switching low voltage, provide a set of alternate
CB settings (e.g. RDDS) that does not interfere with the original settings to be applied in the highvoltage grid.
2.3
Controlled switching targets
GUID-AF07CFBC-6418-42BB-8221-F047EF309C32 v1
On arrival of a Close or Open command, PWC600 calculates the optimal switching targets for each CB
pole. The calculations are based on the load to be switched, its connection and design configuration,
and the switching duty considering operating time variations and external parameter variations.
Controlled energization of most load types is targeted at fixed phase angles, which are defined by
settings. For two load types, the making targets are determined dynamically.
1. Power transformer with residual flux: The target angles depend on the residual fluxes calculated at
the time of de-energization.
2. Auto-reclosing on transmission line: The making targets are determined from the gap voltage across
the open CB. As the gap voltage signal is typically non-periodic, the reclosing targets are not
specified as phase angles but rather as time instants relative to the incoming Close command.
Switchsync® PWC600
Product guide
9
© 2024 Hitachi Energy. All rights reserved.
Section 2
Application
1MRK511825-BEN Rev. B
Controlled switching targets in Switchsync PWC600 are defined with respect to a reference signal.
• For load energization (controlled CB closing), primary voltage is always used as reference. Voltage
measurement may be single-phase or three-phase, for phase-to-ground or phase-to-phase voltage.
• For load de-energization (controlled CB opening), either the primary source voltage (same as for
closing operations) or the load current may be used as reference. Current measurement must be
taken from all three phases, and the CT secondary current should not be lower than 50 mA.
• For controlled reclosing on a transmission line, the voltage across the circuit breaker is used as
reference. This gap voltage is internally calculated from the source voltage and line voltage signals.
Both measurements must be phase-to-ground voltage in all three phases.
The selected reference signal can be used only when its amplitude is sufficiently high. For signal
levels below the "dead value" threshold in any connected phase, the IED will declare missing reference
signal. If it receives a controlled switching command in this condition it will fall back to a user-defined
contingency action of either unsynchronized switching (bypass) or blocking the CB operation.
For all controlled switching except reclosing on transmission line, the individual switching targets are
specified as phase angles of the intended electrical switching instants, relative to a positive-going zero
crossing of the selected reference signal. For common controlled switching applications, the optimal
switching targets are predefined in the engineering tool “Switchsync Setting Tool” (SST): The user just
needs to specify the type of load, its electrical connections (vector group) and possibly few other design
or application parameters. With this information, the tool chooses the recommended controlled switching
strategies from its built-in database and presents them as default values. The user may directly adopt
the proposed switching targets, or adapt them to any special targeting requirements in the application.
Whenever the making target is specified as 0° or 90°, PWC600 optimizes the actual target instants to
accommodate the electrical and mechanical characteristics, such as RDDS and mechanical scatter, of
the controlled circuit breaker. This ensures the best possible controlled switching results even with a
non-ideal circuit breaker.
2.4
Circuit breaker properties
GUID-57DE7EE4-C3A9-4447-870E-A39470A9612F v4
Knowledge of key parameters of the circuit breaker is essential for successful controlled switching. The
required parameters are usually separate for Close and Open operations:
• Mechanical behavior under nominal conditions (timing, accuracy)
• Dielectric properties (RDDS, re-ignition free window)
• Impact of external influences, such as DC control voltage or temperature, on operating times
(compensation curves)
• Permitted limits on deviation from default values
• etc.
Some of these parameters are defined by the circuit breaker design; these can be provided in advance.
Others are specific to each pole and are ideally obtained on site during (or prior to) commissioning.
For each circuit breaker model in Active life cycle phase, and for some older models as well, Hitachi
Energy’s CB factory can provide an XML file containing the relevant design-related parameters.
Importing this file into Switchsync Setting Tool (SST) relieves the user from the need to individually
obtain and enter these parameters. In case no such file is available for the actual circuit breaker model,
the user may manually enter the required data into SST.
For acquisition of pole-specific parameters prior to live switching, Switchsync PWC600 provides a “CB
timing test mode”. With the main contacts temporarily connected to dedicated inputs, offline switching
operations are controlled and evaluated by the IED. The operating times thus learned can be adopted in
regular operation.
10
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
2.5
Section 2
Application
Optimization of accuracy
GUID-B20C6CAD-C82A-40DC-90BC-4BE38AC20621 v3
The operating times (switching times) of the circuit breaker may change with certain parameters, such
as time (age), temperature, idle time since the last operation, and DC control voltage. To optimize the
controlled switching performance against such changes, Switchsync PWC600 provides two features,
namely, parameter compensation and adaptive correction. Based on these features, the release instants
of the circuit breaker are adjusted for optimal targeting during controlled switching operations.
2.5.1
Parameter compensation
GUID-65F87814-1CA3-46DC-94B8-AC8FBD53595B v4
The Switchsync PWC600 IED has the facility to compensate for the influences of external and internal
parameters, namely, DC control voltage, idle time, temperature, drive pressure, spring charge, and
an additional user-defined parameter. For each of these, it applies individual parameter compensation
curves consisting of parametric variation vs. required operating time correction. Separate curves are
provided for Close and Open operations. The individual compensation values are added up to yield a
total compensation value for each CB pole.
The factory provided files of Hitachi Energy circuit breakers include the relevant compensation curves
for the respective CB type, where available. During engineering in Switchsync Setting Tool, the user only
needs to specify which sensors are connected to the IED. Accordingly, the compensation functions are
activated. It is possible to enable, disable or modify individual compensation curves manually. Sensor
signals are either embedded in the IED itself, or are received from external acquisition devices (such as
ABB RIO600) via analog GOOSE messages over IEC 61850 station bus. See Table 3 below.
Table 3: Compensation facilities in pre-configuration
Parameter
Sensor
Qty.
Inputs to IED
DC control voltage
Voltage sensor
1
DC supply on PSN module
Idle time
Internal calculation based on
status of CB auxiliary contacts
3
Binary inputs on BILD module
Stored energy in CB drive
Binary level contacts
3
Binary inputs on BILD module
Temperature
Temperature sensor (e.g. Pt100)
connected to external acquisition
device
1 or 3
Analog GOOSE
Drive pressure
Pressure sensor connected to
external acquisition device
1 or 3
Analog GOOSE
Additional quantity (user-specified)
Sensor for additional quantity,
connected to external acquisition
device
1 or 3
Analog GOOSE
Compensation values are continuously updated. Thus, the actual compensation value is available at the
time when a controlled switching operation is executed. Furthermore, each sensor signal is checked
against supervision thresholds, and an alarm can be raised on crossing a limit.
2.5.2
Adaptive correction
GUID-D28BECD1-2961-4CCF-8E91-AA5F407FC292 v5
After completion of a controlled switching operation, Switchsync PWC600 acquires the actual instants
when the switching took place. For this purpose, it analyzes the primary analog signals (load current,
load voltage) and the timing of binary signals from precision position sensors or accurate auxiliary
contacts in the CB drive, as available. The instants of inception or interruption of the primary signals are
determined using adjustable detection thresholds.
The actual switching instants are compared with the target instants; the difference is called Target Error.
It is the basis for adaptive correction and other monitoring features.
For closing operations, a fraction of each target error is used as correction value, to update the
estimated CB operating time for the next controlled closing operation.
Switchsync® PWC600
Product guide
11
© 2024 Hitachi Energy. All rights reserved.
Section 2
Application
1MRK511825-BEN Rev. B
For opening operations, detection of a re-strike or re-ignition in any phase will increment the target
arcing time for the respective phase by 1 ms in the next operations. If the cumulated correction value
exceeds the threshold, an alarm is raised and further CB operations will be blocked until the cause
has been investigated and remedied. This is to protect the circuit breaker from failure due to repeated
unwanted re-ignitions.
2.5.3
Target optimization for controlled closing
GUID-18B30EA1-8409-42E8-9EE3-AD170AB449FA v1
To achieve best possible performance considering dielectric and mechanical scatter, the difference in
pre-strike voltage at both boundaries of the target making window shall be minimized. Consequently,
the final (strategic) making target is slightly shifted from the ideal target: forward for gap voltage zero
target and back for gap voltage peak target. Figure 2 and Figure 3 demonstrate the shift of the strategic
making target (T1) and the offset of the mechanical closing target (T4) from the shifted making target.
GUID-5EBFA381-5CA7-4434-A8E7-27482F100704 V1 EN-US
Figure 2: Switching target optimization for controlled closing, voltage peak targeting
12
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 2
Application
GUID-D6E84FDA-C729-4AF2-A002-66F3B1A4A3FF V1 EN-US
Figure 3: Switching target optimization for controlled closing, voltage zero targeting
Whenever the making target is specified as 0° or 90°, PWC600 optimizes the actual target instants as
described above. For any other making target, no optimization is done but the actual target instants are
constrained to the range spanned by the strategic targets for 0° and 90°.
2.6
Monitoring and supervision
GUID-27ABFF2E-40DA-449A-A997-BA4C950B49E8 v4
All signals acquired by the Switchsync PWC600 IED are primarily used for execution and optimization
of controlled switching operations. In addition, the same signals can be used for monitoring and
supervision of the circuit breaker’s switching performance and its aging (due to number of operations or
interrupter wear).
On receiving a switching command, the available compensation signals are evaluated for compensation
values. After issuing a switching command, the IED monitors the input signals for status changes. The
sequence of these events is evaluated to determine actual operating times and further conditions such
as re-ignitions/re-strikes. All these data are recorded in the operation log.
Various supervision alarms have been pre-defined to indicate if the associated parameter crosses the
limit. Each alarm can have two stages: warning and alarm, for which user can define the limits, and
which can be individually enabled or disabled.
2.6.1
Electrical operations monitoring
GUID-151481B3-1CEE-4B9C-AA78-C0129ABFFCA2 v5
Following every controlled switching operation, certain parameters are extracted from the recorded
feedback signals, which can be selected as CB current or load voltage.
2.6.1.1
Circuit breaker electrical status
GUID-6E5CBC2A-F24A-47E7-B61D-7358535E3EE9 v6
Switchsync PWC600 attempts to detect electrical status change of the circuit breaker (current making or
current interruption) from the primary current or load voltage signals. The strategies employed vary by
the set load type.
Switchsync® PWC600
Product guide
13
© 2024 Hitachi Energy. All rights reserved.
Section 2
Application
1MRK511825-BEN Rev. B
• For capacitor bank and shunt reactor type loads, it is assumed that load current is generally above
dead-band value when energized.
• Power transformers exhibit very low magnetizing currents when energized. These currents are usually
too low for reliable electrical operation detection. Electrical status detection is therefore based on load
voltage only.
2.6.1.2
Detection of electrical switching instants
GUID-7008CCA4-9F5E-47CF-BA63-3B49FD6A26FE v3
Detecting the precise instant of current making or current interruption is crucial to maintaining optimal
accuracy by adaptive correction, and for faithful reporting of the controlled switching success. For
detecting the actual instants when the selected electrical feedback signal starts or stops, PWC600
checks the signal against two adjustable thresholds to ensure optimal flexibility.
PWC600 further converts the detected instants of current making and current interruptions into electrical
operating times and actual switching angles. These values are recorded in the operation log and used
for further monitoring and adaptation purposes as described above.
For controlled switching of electrically or magnetically coupled transformers using the residual flux
locking method, additional measures are needed to correctly detect the making instants.
2.6.1.3
Detection of re-ignitions/re-strikes
GUID-0E3DD850-E940-4FA6-9F05-58D61FA61B0B v2
During opening, the circuit breaker is usually expected to interrupt the primary current at its natural zero.
If current starts flowing again after that current zero, this is called a re-ignition (for inductive loads) or
re-strike (for capacitive loads). The steep voltage front of current restart may damage the interrupter,
hence it is desirable to avoid such events.
In every controlled opening operation, Switchsync PWC600 checks the electrical interrupting time from
the load current signal (when available). If final current interruption is observed more than 1/8 power
cycle later than expected, this is interpreted as re-ignition or re-strike, which will raise a warning and
trigger adaptive correction as described above.
2.6.1.4
Interrupter wear
GUID-A553BE40-D5C1-4F8D-8A5D-B5E7A15D5E47 v5
In new condition, a circuit breaker is rated for a certain number of mechanical operations, interrupting no
or very low currents. It is also rated for a certain (low) number of operations interrupting maximum fault
current. Between these extremes, the interrupted current in every Open operation causes some erosion
of the contacts and ablation of the nozzles, until the CB loses its ability to reliably switch off currents.
This interrupter wear characteristic is often given in form of a curve.
Switchsync PWC600 calculates interrupter wear as the equivalent number of mechanical operations that
the circuit breaker has lost after interrupting a specific current. This individual value and the cumulated
interrupter wear are recorded in the operation log. Upon reaching the limits specific to each breaker
type, a warning or alarm can be raised.
2.6.2
Mechanical operations monitoring
GUID-F94B9AFB-2C6E-46CD-BC21-D29F309AC847 v5
Following every switching operation, certain parameters are calculated from recorded instants of
precision position sensor or accurate auxiliary contacts changeover. Most relevant are the actual
mechanical operating times (closing time, opening time), which can be used for adaptive correction
in case no suitable primary feedback signal is available.
14
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
2.6.3
Section 2
Application
Coil circuit supervision
GUID-74377389-26D2-4181-8063-EBB21097FA7D v2
The six precision binary outputs for controlling CB closing and opening operations feature additional
circuitry for supervising the status of the respective CB trip and close coil circuits. This Trip Circuit
Supervision (TCS) functionality is optional and not required for controlled switching.
When activated, the TCS continuously injects a small DC current into the coil circuit and measures the
resulting voltage at its terminals. If the voltage is too low this indicates an open circuit, which will raise an
alarm if enabled.
2.7
Requirements on external equipment
2.7.1
Circuit breaker
GUID-71B616B6-64F8-4AA5-A1F4-A85F71534DDD v1
GUID-0CD5D324-F032-4182-B458-1DEA9BC800D2 v3
To achieve good controlled switching results, the controlled circuit breaker must exhibit stable and
predictable switching behavior, as required by the application. General recommendations are given
in CIGRE Technical Brochure 757 (2019). Detailed values need to be agreed with the manufacturer.
Therefore, Switchsync PWC600 is generally sold only with Hitachi circuit breakers.
2.7.2
Current transformers
D0E2407T201305141628 v7
The current transformer ratio is selected based on the power system data, for example, maximum load.
Optimal accuracy of controlled switching operations can be achieved when the phase displacement
does not exceed ±1 electrical degree at nominal current.
For controlled switching of capacitor banks, measuring cores should be used to properly render the
nominal load current. CTs of accuracy class 1 (IEC) / 1.2 (ANSI) or better are recommended.
For controlled switching of shunt reactors, power transformers, transmission lines, or cables, protection
cores should be used to prevent saturation. CTs of accuracy class 5P (IEC) / C (ANSI) or better are
recommended.
2.7.3
Voltage transformers
D0E2397T201305141628 v6
In most cases, inductive or capacitive voltage transformers can be used.
For measuring the voltage on a transmission line or power transformeror transmission line, inductive
VTs are recommended as they usually have better accuracy in rendering the switching transients.
Specifically for controlled switching of a transformer using the residual flux estimation method , inductive
VTs are mandatory to ensure accuracy in residual flux estimation.
For optimal accuracy of controlled switching operations, the phase displacement should not exceed ±1
electrical degree at nominal voltage. VTs with a measuring core of class 1 or better are recommended
for most types of loads. Only for line switching, protection cores of class 3P or better should be used in
the line VTs.
Capacitive voltage transformers (CVTs) should fulfil the requirements according to IEC 61869-5
regarding ferro-resonance and transients.
Switchsync® PWC600
Product guide
15
© 2024 Hitachi Energy. All rights reserved.
Section 3
Product description
1MRK511825-BEN Rev. B
Section 3
3.1
Product description
Introduction
GUID-C33EF884-02BA-4253-A6EB-6305F2472820 v1
GUID-B5FC3CED-4D7B-4F92-BA26-A9FAD91B0DDB v5
Switchsync PWC600 is a point-on-wave controller for high-voltage circuit breakers. Its purpose is to
delay circuit breaker operation commands such that current inception or current interruption occurs at a
phase angle that minimizes stress on the switched load, the circuit breaker, and/or the power system.
The PWC600 device (IED, intelligent electronic device) is usually installed in the control room in the bay
control cabinet, where all required signals are present.
PWC600 version 3.0 can be ordered in four variants:
1. PWC600-M (multi-purpose model) for capacitor banks, shunt reactors, power cables, and power
transformers – all kinds of loads that are always switched at the same phase angles. It also supports
setting groups for dynamically applying different switching strategies e.g. for two loads connected to
the same circuit breaker.
2. PWC600-HT (transformer switching model) includes all features of PWC600-M and additionally
offers estimation of residual fluxes in power transformers for optimal energization in all operating
conditions. This functionality is provided by the TRAFOSWT application function, which is available
only with the appropriate license.
3. PWC600-HL (transmission line switching model) includes all features of PWC600-M and additionally
offers controlled fast reclosing on transmission lines, taking into account trapped charges and
secondary arcs. This functionality is provided by the TLINESWT application function, which is
available only with the appropriate license.
4. PWC600-HLT includes all features and license options of the PWC600-M, -HT, and -HL models. It is
therefore suitable for all controlled switching applications supported by Hitachi Energy.
The hardware of all these models is mostly identical except for the number of I/O modules, see Section
4. From the outside, the product models are distinguished by the order code, which is printed and
encoded in the QR code on the label attached to the housing
3.2
Function principle
GUID-443A69F3-F594-406C-A808-ED266F45BA41 v4
The connection of PWC600 in a power system and its high-level functioning principle can be understood
from Figure 4. Upon receiving an Open or Close command at its binary input (BI) or via IEC
61850 GOOSE message, PWC600 evaluates the optimal controlled switching instants for each phase
from a primary reference signal. In most cases, the reference is taken from a source side voltage
transformer (1). The evaluation considers the design and connection configuration of the load as well
as the dielectric and mechanical characteristics of the circuit breaker. Consequently, PWC600 issues a
synchronized opening or closing command through its static outputs (SO) to the respective operating
coil (2) (3) of each circuit breaker pole. Note that protection trips need to bypass PWC600 in order to be
executed without delay.
16
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 3
Product description
GUID-05D763D8-FD9D-4F99-9F13-60334985111D V1 EN-US
Figure 4: Overview of PWC600 integration in a power system
PWC600 also monitors the electrical and mechanical status and health of the circuit breaker as well
as the performance of controlled switching during the previous operation. This information is obtained
by detection the instants of inception or interruption of the primary feedback signal, which can be load
current (4) or load side voltage (5). If no suitable primary feedback signals are available, monitoring is
based on the changeover instants of CB auxiliary contacts NO / 52a (6) and NC / 52b (7). From the
available feedback signals, PWC600 calculates the target error (difference between expected switching
time and actual switching time from last operation) and applies a timing correction in the next operation.
This process is known as “adaptive correction”.
PWC600 also has a facility for measuring CB operating times during pre-commissioning through
temporary connections to the primary contacts of individual circuit breaker poles.
Figure 5 shows a block diagram of the interfaces to PWC600. The source side voltage, load side voltage
and load current are connected to respective analog input modules. Incoming Open or Close commands
and output commands to the circuit breaker coils are connected to the binary input & output modules.
Also, the pole-wise auxiliary contacts and spring charge level (applicable for specific drive designs)
indicators are connected to binary input modules. The power supply to the PWC600 is provided to the
Power supply module. Alarms related to the health of the circuit breaker as well as the performance of
controlled switching operations can be generated by relay contacts on the Binary output modules. The
PWC600 IED continuously monitors itself and in event of any internal failure, generates Internal relay
failure alarm. The user may interact with PWC600 through the local user interface (LHMI) or through a
web interface (WHMI). Like for all Relion IEDs, settings and configuration of PWC600 are prepared in
PCM600 tool.
Switchsync® PWC600
Product guide
17
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Close command in
Open command in
Binary input
modules
Auxiliary contacts NO/52a
and NC/52b (3 phases)
CB main contacts (3 ph.)
Setting groups control
Auto-recloser active
Fault indication (3 phases)
Breaker control
Operation monitoring
Alarms & recording
PWC600
Spring charge (3 phases)
Binary output
modules
Target evaluation
Power supply
module
Load current (3 phases)
Communication
interfaces
Load voltage (3 phases)
Close cmd. out (3 phases)
LHMI
Controlled Switching
Source voltage (1 or 3 ph.)
Monitoring, Recording
Analog input
modules
Section 3
Product description
Open cmd. out (3 phases)
Alarms & warnings
Internal relay status
DC supply
Ethernet station bus
Redundant station bus
Local service port
Configuration & Settings
GUID-8FE6C8E8-6132-4B06-BF30-2B6460CC5551 V1 EN-US
Figure 5: External interfaces of PWC600 device
3.3
User interfaces
GUID-DA31E614-A7EA-45DE-B496-B7AA88A308AC v5
The user can interact with Switchsync PWC600 in several ways.
• Web interface (WHMI) via web browser
• Various tools in Hitachi Protection and Control Manager PCM600, installed on a PC
• If ordered: Local Human-Machine Interface (LHMI) on the front panel of the IED, featuring LCD
touchscreen and status LEDs
3.3.1
Web interface (WHMI)
GUID-CDD825EE-01D0-4139-B413-E9AD0812AADE v1
The Web-based Human Machine Interface (WHMI) can be accessed locally and remotely: Locally by
connecting a laptop to the IED, and remotely over LAN/WAN.
GUID-92FB8D9A-166E-42A7-AF4C-AE27FBC41B58 V1 EN-US
Figure 6: Web-based Human Machine Interface (WHMI)
18
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
3.3.2
Section 3
Product description
Local HMI (LHMI)
GUID-1981E1F2-83AB-40C1-9325-66A89B915EF5 v1
The optional Local Human Machine Interface (LHMI) comprises a 7" color screen with touch sensing,
located on the front panel of the IED. 15 programmable indicator LEDs are arranged to the right of the
screen.
GUID-D51BB030-1A5B-4B59-97AB-6DD661D339B3 V1 EN-US
Figure 7: Local Human Machine Interface (LHMI)
3.4
Communication
3.4.1
Communication protocols
GUID-1A9D66B3-C34D-450F-9478-ADFED5D6769A v1
GUID-ACE8FB3B-68A0-45E3-968C-BC994337E656 v1
The IED supports communication protocols IEC 61850-8-1 (editions 1.0, 2.0, 2.1) and HTTPS over
Ethernet.
All operational information and controls are available through these protocols. However, some
communication functionality, for example, horizontal communication (GOOSE) between the IEDs, is only
enabled by the IEC 61850-8-1 communication protocol.
3.4.2
Data exchange
GUID-BAF4E280-9FA6-42AE-B0F8-2BD01BF0958A v1
Waveform (disturbance) files are accessed using IEC 61850 or the Web interface. Disturbance files are
also available to any Ethernet based application in the standard COMTRADE format. The IED can send
binary signals to other IEDs (so called horizontal communication) using the IEC 61850-8-1 GOOSE
(Generic Object Oriented Substation Event) profile. Binary GOOSE messaging can, for example,
be employed for protection and interlocking-based protection schemes. The IED meets the GOOSE
performance requirements for tripping applications in distribution substations, as defined by the IEC
61850 standard. Furthermore, the IED supports the sending and receiving of analog values using
GOOSE messaging. Analog GOOSE messaging enables fast transfer of analog measurement values
over the station. The IED interoperates with other IEC 61850 compliant IEDs, tools and systems and
simultaneously reports events to five different clients on the IEC 61850 station bus.
3.4.3
Communication ports
GUID-8679037E-CE8E-408D-9C51-FE1F310BAA44 v1
All communication connectors, except for the Service Port on the front panel, are placed on the
integrated communication module. The IED is connected to Ethernet-based communication systems
via RJ-45 or fibre-optic LC connectors. Up to four Ethernet ports (SFPs) can be provided to enable
redundant communication (PRP and RSTP).
Switchsync® PWC600
Product guide
19
© 2024 Hitachi Energy. All rights reserved.
Section 3
Product description
3.4.4
1MRK511825-BEN Rev. B
Time synchronization
GUID-69F6090D-0186-4881-B070-9FF2A4FFF4AE v1
The IED supports the following time synchronization method:
• SNTP (simple network time protocol)
3.4.5
Cyber security
GUID-B105F342-21E5-4416-B80A-10C2173FB957 v1
Switchsync PWC600 is compliant to the IEEE 1686 standard for cyber security of intelligent electronic
devices (IEDs), and certification to additional standards is in preparation. Some of the built-in security
features include,
• Secure communication protocols (FTPS, HTTPS)
• Hardening of the access points and communication ports
• Protection against denial-of-service attacks
• User management with role-based access control
• Password policies for user accounts
• User activity logging
The full compliance statements are found in the Cybersecurity deployment guideline (1MRK511766UEN) for more information
3.5
PCM600 tool
D0E808T201305141540 v4
Hitachi Protection and Control IED Manager PCM600 can be downloaded for free from the Hitachi
Energy Grid Automation Software Library https://softwarelibrary.hitachienergy.com. It offers all the
necessary functionality to work throughout all stages of the IED life cycle.
• Planning
• Engineering
• Commissioning
• Operation and disturbance handling
• Functional analysis
With the individual tool components, you can perform different tasks and functions. PCM600 can operate
with various topologies, depending on the customer needs.
Switchsync PWC600 comes with a default pre-configuration that covers most controlled switching
applications. Necessary adjustments to the actual installation are done by settings. These settings are
preferably entered and modified by a dedicated PCM600 tool, Switchsync Setting Tool (SST), see Figure
8.
If necessary, the application configuration can be viewed and modified using other tools in PCM600.
Switchsync PWC600 3.0 requires PCM600 version 3.1 or higher, with the latest Service
Packs installed.
20
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 3
Product description
GUID-B4A696F1-7DB6-48AD-8878-36DB68E95219 V1 EN-US
Figure 8: Switchsync Setting Tool (SST) in PCM600
Switchsync® PWC600
Product guide
21
© 2024 Hitachi Energy. All rights reserved.
Section 4
Hardware description
1MRK511825-BEN Rev. B
Section 4
4.1
Hardware description
GUID-FE591AA9-2442-40E6-A843-7D914B07F1A6 v1
Overview
GUID-DDB240CD-D96B-41C4-AB38-60711E8A5C8B v1
PWC600 3.0 is based on a modular hardware architecture but comes in a pre-defined configuration
depending on the product model (Section 3.1). The housing is designed for installation in a 19" rack, full
width, 3U high. The hardware modules are arranged on the rear panel of the IED and can be exchanged
by the user.
4.2
Available hardware slots and slot numbering
GUID-566E1F7E-3A2F-4C06-8B97-38D41C653F97 v1
Table 4 shows the position of the hardware modules in the IED.
Table 4: Position of the hardware modules in the IED
Module
Description
PSN1
Power supply module
101
Module position / Slot number
CB40
Communication and processing module
103
BOSO
Static output module
105, 106
BILD
Binary input module
107, 108, 109 (PWC600-HT, -HL, -HLT)
BORO
Binary output module
110 (PWC600-HT, -HL, -HLT)
AIV
Analog input voltage module
306, 307
AIC
Analog input current module
308
CTT
Current connector terminal
308.X1
GUID-8B0B6ACA-B006-40FE-B1FE-BCC2BDAF69C0 V1 EN-US
Figure 9: Rear view slots of 3U, 1/1 x 19" IED
4.3
Hardware modules
4.3.1
Power supply module PSN1
GUID-269955FA-9F48-4EF6-92D0-C3E7D9765813 v2
GUID-5675D3BC-2067-4CB7-AC69-4786407166FB v1
The power supply is used to provide the correct internal voltages and full galvanic isolation between the
product and the battery system. An internal failure alarm output is available. Alternative connectors of
ring-lug or compression type can be ordered.
4.3.2
Communication and processing module CB40
GUID-0B37B97D-5E98-4816-A983-35D079E3E3C8 v1
The CB40 is a high-performance CPU module based on a dual-core ARM processor. It has four SFP
cages for Ethernet communication. Up to four SFP transceivers for optical 100BASE-FX or galvanic
RJ45 100BASE-TX communication can be mounted in the SFP cages. Only approved SFP transceivers
22
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 4
Hardware description
are compatible. Application code and configuration data are stored in flash memory, and non-volatile
RAM is used to store log data. The CB40 is equipped with a real-time clock that uses a capacitor to keep
track of the time when the IED is not energized.
4.3.3
Binary input module BILD
GUID-F3C39019-0974-481E-AC4B-1B0C99FF1795 v1
The binary input module has 8 galvanically isolated inputs. Nominal input voltage can be selected in
PCM600 configuration tool and can be used for the input of logical signals to any of the functions. They
can also be included in the disturbance recording and event-recording functions. This enables extensive
monitoring and evaluation of the operation of the IED and all associated electrical circuits.
4.3.4
Relay binary output module BORO
GUID-3EA7007A-E7A5-47A9-88C0-160F6E3FD127 v1
The relay binary output module has 12 independent output relays and is used for signaling purpose.
4.3.5
Static output module BOSO
GUID-F4D45AC2-DBA7-4D52-8E02-9B2B4BA1E01A v1
The static output module has four fast, heavy-duty static outputs with configurable TCS (Trip Coil
Supervision) and two changeover output relays for use in applications with standard making/breaking
requirements.
4.3.6
Current transformer input module AIC4
GUID-BCAB807B-57B4-43CF-92E5-9CC0D2673755 v1
The AIC4 input module is used to galvanically separate and adapt the secondary currents generated by
the instrument transformers. The module has four current inputs.
4.3.7
Current input terminals CTT1 and CTT5
GUID-9DC46B6A-C34F-40D8-8821-7F8B4F449926 v1
The CTT1 and CTT5 current input terminal cartridges are inserted into the AIC4 current input module
and contain four calibrated, maintenance-free current inputs for either compression or ring-lug mount. As
the calibration data are directly stored on the cartridge, the inputs can be exchanged directly.
4.3.8
Voltage transformer input module AIV4
GUID-978A08C7-974F-478C-87C8-7CA09753591E v1
The AIV4 input module is used to galvanically separate and adapt the secondary voltages generated by
the instrument transformers. The module has four voltage inputs.
Ring-lug or compression type terminal blocks can be ordered.
Switchsync® PWC600
Product guide
23
© 2024 Hitachi Energy. All rights reserved.
Section 4
Hardware description
4.4
1MRK511825-BEN Rev. B
Mounting alternatives
GUID-756830E4-CA6F-4630-A98C-0FA737C8664E v1
PWC600 is delivered in a 3U, 1/1 19" case with rack mounting kit. The relevant dimensions are shown
below.
4.4.1
Rack mounting
GUID-4E0D98A4-3C23-4F7B-A5AA-16428532BDFF v1
GUID-416EED36-4E2D-47D2-8D20-C808F5825157 V1 EN-US
Figure 10: 3U, 1/1 x 19” size rack mounting
Table 5: Rack mounting
4.4.2
Case size (mm)
A
B
C
D
E
F
3U , 1/1 x 19”
436
121.87
212.55
480
131.5
57.15
Flush mounting
GUID-71039B9B-BF22-4DE9-9C02-684C6D023B5E v1
The flush mounting kit offers protection of the front panel according to IP54. It can be ordered as an
optional accessory.
24
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 4
Hardware description
$
'
(
PWC600
)
&
%
GUID-0861292C-BB87-47B1-BAFC-5613BD35ACD6 V1 EN-US
Figure 11: 3U, 1/1 x 19” size flush mounting
Table 6: Flush mounting
Case size (mm)
A
B
C
D
E
F
3U, 1/1 x 19"
131.5
442
220.25
122.5
436
482.8
Switchsync® PWC600
Product guide
25
© 2024 Hitachi Energy. All rights reserved.
Section 5
Certification and Connection diagrams
Section 5
5.1
1MRK511825-BEN Rev. B
Certification and Connection diagrams
GUID-E02C5BB3-901F-4318-A164-A4549C649F27 v1
Certification
GUID-8ABF79EA-13B7-4FB2-B81D-7E27048B32CA v1
The list of certifications for PWC600 is provided below.
Table 7: Certifications list
5.2
Certificates
Reference
IEC 61850 Ed2 level A1 certificate issued by DNV GL
10452508-DSO 24-4133
IEC 61850 Ed2.1 level A1 certificate issued by DNV GL
10452508-DSO 24-4136
Connection diagrams
GUID-BD136D34-BDAD-464F-A78A-39053525F4D7 v1
The connection diagrams are delivered in the IED Connectivity package as part of the product delivery.
The latest versions of the connection diagrams can be downloaded from
http://www.hitachienergy.com/protection-control.
Connection diagram, PWC600 version 3.0, 1MRK009111-AA.
26
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 6
Technical data
Section 6
6.1
Technical data
GUID-F5B8732A-C881-40E6-B796-FB4D22F57690 v1
IED
GUID-889158F8-97B7-4F3A-A73E-511A3345177B v2
Table 8: Case
Front plate
Sides, top and bottom
Material
Aluminium
Surface treatment
Powder coated
Color
NCS-S-1000-N
Material
Aluminium
Surface treatment
Powder coated
Color
Grey RAL 7024
GUID-BB74744A-670B-4FE4-A55B-64054C9248B4 v2
Table 9: Water and dust protection level according to IEC 60529
Device side
IP class
Front (Device front with status LEDs)
IP40
Front (with LHMI)
IP40 (Rack mounting kit)
IP54 (Flush mounting kit with IP54 mounting seal)
Sides, top and bottom
IP40
Rear side
IP20 with screw compression type
IP10 with ring lug terminals
GUID-5C026638-C641-4936-91D9-4110144B23D9 v1
Table 10: Impact test rating
Description
Reference standard
Class
Impact resistance test
IEC 61010-1
IK06
GUID-D41D4A7E-079B-4D29-B34C-906DD7776C8E v1
Table 11: Weight and dimension of the IED with and without the mounting kit
Type of structure
Without mounting kit
With rack mounting kit
with Flush mount kit
3U, 1/1x19" LLED
3U, 1/1x19" LHMI
Weight (kg/Lb)
≤ 8.4kg/18.52 lb
≤ 8.4kg/18.52 lb
Dimensions (WxHxD) (in mm)
442x131.5x220.25
442x131.5x220.25
Weight (kg/Lb)
≤ 8.55kg/18.85 lb
≤ 8.55kg/18.85 lb
Dimensions (WxHxD) (in mm)
480x131.5x220.25
480x131.5x220.25
Weight (kg/Lb)
≤ 905kg/19.95 lb
≤ 9.05kg/19.95 lb
Dimensions (WxHxD) (in mm)
482.8x131.5x220.25
482.8x131.5x220.25
Switchsync® PWC600
Product guide
27
© 2024 Hitachi Energy. All rights reserved.
Section 6
Technical data
1MRK511825-BEN Rev. B
6.2
Energizing quantities, rated values and limits
6.2.1
Environmental conditions
GUID-B4EF00D1-88DD-418D-AD78-09B981F6E5A8 v1
GUID-4299FA96-9A23-4FFD-80BF-9DB0331DCF24 v1
Table 12: Environmental conditions
Description
IED type
Value
For IEDs with LHMI
Operating temperature range
-25°C to +70°C
Reduced display brightness may occur for
temperatures above +55°C.
Short-time service temperature range
-40°C to 70°C (< 16 h)
Reduced display performance may occur for
temperatures below -25°C.
Relative humidity
<97%, non-condensing
Atmospheric pressure
70 kPa to 106 kPa
Altitude
up to 3000 m
Transport and storage temperature range
-40°C to +85°C
For Device front with status LEDs
Operating temperature range
-40°C to +70°C
Short-time service temperature range
-40°C to +85°C (< 16 h)
Degradation in MTBF outside the temperature
range of -40°C to +70°C.
6.2.2
Relative humidity
<97%, non-condensing
Atmospheric pressure
70 kPa to 106 kPa
Altitude
up to 3000 m
Transport and storage temperature range
-40°C to +85°C
Analog inputs
GUID-027C911A-459A-41C3-ABAB-4A3E17823541 v1
All current and voltage data are specified as RMS values at rated frequency.
GUID-4FAA2B93-FBFF-4D08-89CC-93B9E708321A v1
Table 13: AIC4 - Energizing quantities, rated values and limits for protection and measurement current inputs
Description
Value
Frequency
Rated frequency fr
50/60 Hz
Operating range fr
±10%
Current inputs
Rated current Ir
1 A or 5 A
Table continues on next page
28
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 6
Technical data
Description
Value
Operating range
(0 - 100)×Ir
Thermal withstand
100×Ir for 1 s
30×Ir for 10 s
10×Ir for 1 min
4×Ir continuously
Dynamic withstand
250×Ir one half wave
Burden
< 15 mVA at Ir = 1 A
< 100 mVA at Ir = 5 A
Measurement
accuracy (amplitude/
phase)
IEC 61869-13
5.6.1301.1
Temperature range
-30 °C / +55 °C
Accuracy class = 0.1
KImin = 5%
KImax = 400% (Ir = 1 A)
KImax = 200% (Ir = 5 A)
Temperature range
-40 °C / +70 °C
Accuracy class = 0.2
KImin = 5%
KImax = 400% (Ir = 1 A)
KImax = 200% (Ir = 5 A)
Protection accuracy
IEC 61869-13
5.6.1301.2
KImin/4 Ir
< 0.2%
< 10 arcmin
KImin Ir
< 0.1%
< 5 arcmin
Ir
< 0.1%
< 5 arcmin
KImax Ir
< 0.1%
< 5 arcmin
KImin/4 Ir
< 0.4%
< 20 arcmin
KImin Ir
< 0.2%
< 10 arcmin
Ir
< 0.2%
< 10 arcmin
KImax Ir
< 0.2%
< 10 arcmin
Accuracy class = 2 TPM
KSSC = 70
TI = DC
GUID-5E902F95-6A9B-4C92-B04A-0288603A3BEB v1
Table 14: AIV4 - Energizing quantities, rated values and limits for protection and measurement voltage inputs
Description
Value
Frequency
Rated frequency fr
50/60 Hz
Operating range fr
±10%
Voltage inputs*
Rated voltage
Ur = 100, 110, 120, 125, 220 V
Operating range
0 - 360 V
Thermal withstand
550 V for 1 min
450 V continuously
Burden
< 25 mVA at 110 V
< 100 mVA at 220 V
Measurement
accuracy (amplitude/
phase)
IEC 61869-13
5.6.1302
Temperature range
-30 °C / +55 °C
Accuracy class = 0.1
FV = 1.5
(2 - 20) V
< 0.2%
< 10 arcmin
(20 - 360) V
< 0.1%
< 5 arcmin
Temperature range
-40 °C / +70 °C
Accuracy class = 0.2
FV = 1.5
(2 - 20) V
< 0.4%
< 20 arcmin
(20 - 360) V
< 0.2%
< 10 arcmin
*) all values for individual voltage inputs
6.2.3
Influencing factors
GUID-9D52DEB1-9344-4677-A4F4-10B9BF2EE43C v1
GUID-87AC0C1D-FC70-4C7D-ADAA-B48EEC1E1C37 v1
Table 15: Temperature and humidity influence
Parameter
Reference value
Nominal range
Influence
Ambient temperature,
operate value
+20 ±5°C
-40°C to +70°C
+85°C permissive 16hrs
0.02%/°C
Relative humidity
Operative range
45 – 75%
0 – 95%
10 – 90%
–
Switchsync® PWC600
Product guide
29
© 2024 Hitachi Energy. All rights reserved.
Section 6
Technical data
1MRK511825-BEN Rev. B
Table 16: Auxiliary DC supply voltage influence on functionality during operation
Dependence on
Reference value
Within nominal
range
Influence
Ripple, in DC auxiliary voltage
Operative range
max. 2%
Full wave rectified
15% of EL
0.01%/%
±20% of EL
0.01%/%
Auxiliary voltage dependence, operate
value
Interrupted auxiliary DC voltage
90 – 250 V DC
±20%
No restart
Correct behaviour at power down
Interruption interval
0 – 50 ms
0–∞s
110 – 250 V DC
Restart time
6.3
< 300 s
Hardware modules
GUID-1E889716-FACD-4F09-B2D8-32014AAD6FDE v1
GUID-1A5FF058-8AB5-4FC9-8CCC-083E3DE8E657 v1
Table 17: Binary input module BILD
Function or quantity
Rated Value
Number of inputs
8
Input DC voltage RL
24 – 250 V DC, ±20%
Typical continuous input current
24/30 V DC
3.1 mA
48/60 V DC
1.6 mA
110 V DC
1.0 mA
125 V DC
1.0 mA
220/250 V DC
0.9 mA
48/60 V DC high inrush
1.6 mA
110 V DC high inrush
1.0 mA
220/250 V DC high inrush
0.9 mA
Counter input frequency1)
24/30 V DC
30 pulses/s max
48/60 V DC
15 pulses/s max
110 V DC
8 pulses/s max
125 V DC
7 pulses/s max
220/250 V DC
6 pulses/s max
48/60 V DC high inrush
9 pulses/s max
110 V DC high inrush
4 pulses/s max
220/250 V DC high inrush
3 pulses/s max
Oscillating signal discriminator
Blocking settable 1– 40 Hz
Release settable 1– 30 Hz
Debounce filter
Settable 1 – 25 ms2)
Binary input operate time
(Debounce filter set to 1 ms)
< 3 ms
Timestamping accuracy
220/250 V DC hi inrush
< 100 μs
< 1 ms
Table Note:
1) If the actual counter frequency is higher than that specified in this table but lower than the oscillation block limit, the
module will still count the correct number of pulses, but the inrush current will be periodically turned off to protect the
input from overheating.
2) For compliance with surge immunity when the binary input is configured for 24/30 V DC, minimum debounce filter time
setting of 3 ms is required.
30
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 6
Technical data
GUID-66ECBAD4-3005-4472-B0DA-96DAA7E31855 v1
Table 18: Relay binary output module contact data (reference standard: IEC 61810-2) BORO
Function or quantity
Rated Value
Binary outputs
12
Max system voltage
250 V AC/DC
Min load voltage
24 V AC/DC
Test voltage across open contact
1 min 1000 V rms
Current carrying capacity
Per relay, continuous
8A
Per relay, 1 s
10 A
Per process connector pin, continuous
12 A
Max number of operations
Inductive load L/R ≤ 40 ms
1000
Resistive load
2000
No load
30 million
Making capacity at inductive load with L/R > 10 ms
0.2 s
30 A
1.0 s
10 A
Making capacity with resistive load
0.2 s
30 A
1.0 s
10 A
Breaking capacity for AC, cos j > 0.4
250 V/8.0 A
120 V/8.0 A
Breaking capacity for DC with L/R ≤ 40 ms
48 V/1 A
110 V/0.4 A
125 V/0.35 A
220 V/0.2 A
250 V/0.15 A
Operating time
< 6 ms
A maximum of 72 outputs may be activated simultaneously with influencing factors within the
nominal range. After 6 ms, an additional 24 outputs may be activated. The activation time for
the 96 outputs must not exceed 200 ms. A maximum of 50% of outputs per module should
be activated continuously.
GUID-8F2DE045-9E39-412F-A725-284284C67876 v1
Table 19: Hybrid output module data (reference standard: IEC 61810-1): Static binary outputs BOSO
Function or quantity
Rated Value
Max system voltage
250 V DC
Min load voltage
12 V DC
Number of outputs
4
Impedance open state (TCS de-activated)
High impedance
TCS Current, activated state
1 mA ±20%
Current carrying capacity:
Continuous
8A
1.0 s
20 A
Making capacity at capacitive load with the maximum
capacitance of 0.2 μF:
0.2 s
35 A
1.0 s
20 A
Making capacity for DC with L/R > 10 ms:
0.2 s
35 A
Table continues on next page
Switchsync® PWC600
Product guide
31
© 2024 Hitachi Energy. All rights reserved.
Section 6
Technical data
1MRK511825-BEN Rev. B
Function or quantity
Rated Value
1.0 s
20 A
Making capacity at resistive load
0.2 s
35 A
1.0 s
20 A
Breaking capacity for DC with L/R ≤ 40 ms
(Auto-reclose scheme) (On ≤ 0.2 s)
0.2 s – on
0.2 s – off
0.2 s – on
20 s – off
0.2 s – on
30 s – off
0.2 s – on
120 s – off (for thermal dissipation)
24 - 60 V / 30 A
110 - 125 V / 20 A
220 - 250 V / 10 A
Breaking capacity for DC with L/R ≤ 40 ms
6A
(According to IEC 61810-1)
4 operations/min and 2 min pause for thermal dissipation
Max number of operations
Resistive load
100000
No load
30 million
Operating time
< 1 ms
Table 20: BOSO - Hybrid output module data (reference standard: IEC 61810-1): Electromechanical relay outputs
Function or quantity
Rated Value
Binary outputs
2
Max system voltage
250 V AC/DC
Min load voltage
24 V AC/DC
Test voltage across open contact
1 min 1000 V rms
Current carrying capacity
Per relay, continuous
8A
Per relay, 1 s
10 A
Per process connector pin, continuous
12 A
Max number of operations
Inductive load L/R ≤ 40 ms
1000
Resistive load
2000
No load
30 million
Making capacity at inductive load with L/R > 10 ms
0.2 s
30 A
1.0 s
10 A
Breaking capacity for AC, cos j > 0.4
250 V/8.0 A
Breaking capacity for DC load L/R ≤ 40 ms
48 V/1 A
110 V/0.4 A
125 V/0.35 A
220 V/0.2 A
250 V/0.15 A
Operating time
< 6 ms
GUID-D10C19D4-05EF-410C-A4E2-74412E5AD464 v1
Table 21: Power supply module PSN1
Function or quantity
Rated Value
Auxiliary DC voltage EL
110 – 250 V DC, ±20%
Power consumption
<30 W (3U 1/1 casing, including 4 SFP)
Supply interruption bridging time
50 ms
Auxiliary DC power protection
MCB with characteristic curve Z or B
Table continues on next page
32
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 6
Technical data
Function or quantity
Rated Value
IRF output (NO/NC)
1
Max IRF voltage
250 V AC/DC
Min IRF load voltage
24 V AC/DC
Test voltage across open contact
1 min 1000 V rms
Current carrying capacity
Per relay, continuous
Per relay, 1 s
8A
10 A
IRF Relay Operating time
<20 ms
GUID-29F73A4A-B769-4F8A-ACF2-248C7F4C05F8 v1
Table 22: SFP - Optical ethernet ports
Quantity
Rated Value
Number of channels
Up to 4 single or 2 redundant or a combination of single and
redundant links for communication using any protocol
Standard
IEEE 802.3u 100BASE-FX
Type of fiber
62.5/125 um, 50/125 um multimode OM1, OM2, OM3, OM4
Length
up to 2 km
Wave length
1310 nm, Class 1 laser safety
Optical connector
Type LC
Communication speed
Fast Ethernet 100 Mbit/s
Table 23: SFP - Galvanic RJ45
6.4
Quantity
Rated Value
Number of channels
Up to 4 single or 2 redundant or a combination of single and
redundant links for communication using any protocol
Standard
IEEE 802.3u 100BASE-TX
Type of cable
Cat6 SF/UTP, Cat6 S/FTP or Cat6 SF/FTP
Length
<3m
Connector
Type RJ45
Communication speed
Fast Ethernet 100 Mbit/s
Electrical safety
GUID-E1542253-5990-4899-8845-38EA5B07B0D1 v1
GUID-CE3CB002-1320-4DC9-8632-A18D5A5BC200 v1
Table 24: Electrical safety according to IEC 60255-27
6.5
Category
Value
Equipment class
I (protective earthed)
Overvoltage category
III
Pollution degree
2 (normally only non-conductive pollution occurs except
that occasionally a temporary conductivity caused by
condensation is to be expected)
Connection system
GUID-1DBE3545-41DE-4FC5-B720-DC596B1A180C v1
GUID-973DAA0D-355C-4926-8FA4-20B04E07DD7C v1
Table 25: CT and VT circuit connectors
Connector type
Rated voltage and current
Maximum conductor area
Screw compression type
250 V AC, 20 A
4 mm2 (AWG11)
2 × 2.5 mm2 (2 × AWG13)
Terminal blocks suitable for ring lug
terminals
250 V AC, 20 A
4 mm2 (AWG11)
Switchsync® PWC600
Product guide
33
© 2024 Hitachi Energy. All rights reserved.
Section 6
Technical data
1MRK511825-BEN Rev. B
GUID-9C450CBE-5F81-41EB-B2BD-E9A7377F4289 v1
Table 26: Auxiliary power supply and binary I/O connectors
Connector type
Rated voltage
Maximum conductor area
Screw compression type
250 V AC
2.5 mm2 (AWG13)
2 × 1 mm2 (2 x AWG17)
Terminal blocks suitable for ring lug
terminals
300 V AC
3 mm2 (AWG13)
34
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 7
7.1
Section 7
IED Ordering and Accessories
IED Ordering and Accessories
GUID-DCB3052D-3EAC-4583-8C42-ADDD2DD45A7E v1
Ordering
GUID-07F921FA-5108-4E1B-ACAD-6D89289A3765 v1
Switchsync PWC600 is delivered in the following configuration:
• Full-width 19" housing, 3 U high
• Power supply module PSN01 for 110 – 250 V DC,
• Communication & processing module CB40 with two optical (LC) and two electrical (RJ45) Ethernet
SFP modules,
• 2 static output modules BOSO,
• 2-3 (depending on product model, see below) binary input modules BILD,
• Binary output module BORO (only in product models PWC600-HL, -HT, and -HLT),
• 2 analog voltage input modules AIV4,
• Analog current input module AIC4 with terminal block CTT1 or CTT5.
For a specific order, the following options need to be specified.
Parameter
Options
Product version
3.0.1
Product model
PWC600-M, PWC600-HT, PWC600-HL, PWC600-HLT
Front panel
Local HMI (LHMI), blank plate with status LEDs
CT secondary rating
1 A, 5 A
Terminals for analog and power supply inputs
Compression type, ring-lug type
The delivery package includes:
• IED according to the ordering options,
• 19" rack-mounting kit,
• Paper folder containing the PWC600 Quick Start Guide and order specific documents.
7.2
Accessories
GUID-6EAD65BF-58E4-4458-92CB-14406A9A2616 v1
The following accessories can be ordered with the IED.
Table 27: Configuration and monitoring tools
Function description
Ordering number
Hitachi PCM600
1MRK003395-FA
Table 28: Mounting kits
Function description
Ordering number
19" rack mounting kit
1MRK020421-BA
Flush mounting kit with IP54 mounting seal
1MRK020421-GA
Switchsync® PWC600
Product guide
35
© 2024 Hitachi Energy. All rights reserved.
Section 7
IED Ordering and Accessories
1MRK511825-BEN Rev. B
Table 29: Hardware accessories
Function description
Ordering number
Locking rib kit, for IED product version 3.x
1MRK020370-SA
Slot cover, for IED product version 3.x
1MRK020081-13
USB A-C cable, 2m, for IED product version 3.x
1MKC950015-2
USB C-C cable, 2m, for IED product version 3.x
1MKC950015-3
USB C-C cable, 1m, with top screw, for IED product version 3.x
1MKC950015-4
Card removal tool, for IED product version 3.x
1MRK020081-43
36
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
1MRK511825-BEN Rev. B
Section 8
Section 8
Application data
Application data
GUID-9E3B88C5-7203-4020-8DD9-27C5A227EF8E v1
In order to provide the best suited products and services for your application, we require the following
data on every circuit breaker to be controlled by PWC600.
Item No
Question
1
Bay number or identifier
Details on one bay
2
Voltage level of the substation [kV] (for transformer: specify nominal system voltage
for all windings)
3
CB model including nominal gas pressure, type of drive, and with or without grading
capacitors (in multi-break CBs)
4
Nominal frequency [Hz]
5
Load to be switched
Connection configuration / vector group (For transformer: specify for side of charging
and voltage level of charging side)
For power transformer: vector group or connection type of each winding
For shunt reactor grounded through reactor or resistor (NGR): impedance of NGR
Core construction (only for reactor or transformer)
Power rating of the load [MVA / MVAR] - lowest and highest values
For transmission line or power cable: Length of line/cable [km]
For transmission line or power cable: Type of reactive compensation
For transmission line or power cable: Lowest and highest degree of shunt
compensation [%]
Nominal load current [A] (for transformer, enter nominal value from side of
energization; for cable or line, enter no-load charging current)
6
Environmental conditions
Indoor / Outdoor
Minimum ambient temperature of CB [°C]
Maximum ambient temperature of CB [°C]
Altitude is above 3000 m
Other special conditions / needs
7
Grid short circuit current [kA] or power [MVA] (if available); else specific performance
requirement from customer like permissible voltage variation on the grid
8
Turns ratio of the CT to be connected to the controlled switching relay
9
Accuracy class of the CT cores chosen
10
Source VT: turns ratio
Source VT type
Which primary phase(s) of the source VT will be connected to the point-on-wave
controller
11
Load VT: turns ratio, which phase(s);
Load VT type
For transformers, add to which winding the VT is connected
12
Further information/Remarks
Attach protection SLD showing positions and ratings of CTs/VTs, and customer specification
if available.
Switchsync® PWC600
Product guide
37
© 2024 Hitachi Energy. All rights reserved.
Section 9
Glossary
1MRK511825-BEN Rev. B
Section 9
Glossary
AC
Alternating current
ACT
Application configuration tool within PCM600
ANSI
American National Standards Institute
BI
Binary input
BILD
Binary input module low density
BORO
Relay binary output module
BOSO
Static binary output module
CB
Circuit breaker
CB40
Communication and processing module
D0E688T201305141612 v9
COMTRADE Standard Common Format for Transient Data Exchange format for Disturbance recorder
according to IEEE/ANSI C37.111, 2013 / IEC 60255-24
CT
Current transformer
CTT
Current input terminal
DC
Direct current
EMC
Electromagnetic compatibility
GOOSE
Generic object-oriented substation event
IEC
International Electrotechnical Commission
IEC 61850
Substation automation communication standard
IEEE
Institute of Electrical and Electronics Engineers
IED
Intelligent electronic device
I/O
Input and Output hardware modules
IP
1. Internet protocol. The network layer for the TCP/IP protocol suite widely used
on Ethernet networks. IP is a connectionless, best-effort packet-switching protocol. It
provides packet routing, fragmentation and reassembly through the data link layer.
2. Ingression protection, according to IEC 60529
LAN
Local area network
LED
Light-emitting diode
LHMI
Local Human Machine Interface
PCM600
Protection and control IED manager
PRP
Parallel redundancy protocol
PSN1
Power supply module
RSTP
Rapid spanning tree protocol (RSTP)
SFP
Small form-factor pluggable (abbreviation)
Optical Ethernet port (explanation)
SNTP
Simple Network Time Protocol - Time synchronization
TCS
Trip circuit supervision
VT
Voltage transformer
WAN
Wide area network
WHMI
Web-based Human Machine interface
38
Switchsync® PWC600
Product guide
© 2024 Hitachi Energy. All rights reserved.
Hitachi Energy Sweden AB
Grid Automation Products
SE-721 59 Västerås, Sweden
Phone +46 (0) 10 738 00 00
Scan this QR code to visit our website
1MRK511825-BEN
https://hitachienergy.com
© 2024 Hitachi Energy.
All rights reserved.