OSM
Automatic Circuit Recloser
15kV, 16kA, 630A
27kV, 12.5kA, 630A
Tavrida Electric is a specialist in the development and manufacturing of
medium voltage switchgear products for indoor and outdoor applications.
20 years ago Tavrida Electric was the first company to introduce a
vacuum circuit breaker with magnetic actuators.
Through fundamental research into magnetic actuators, vacuum
interrupters and insulator design, Tavrida Electric has created the most
compact, light weight and reliable circuit breaker device in the market.
More than 250,000 vacuum circuit breakers and over 13,000 reclosers
installed worldwide make Tavrida Electric a leading manufacturer for
medium voltage vacuum switchgear.
All of our products have been extensively tested internally and by
reputable independent laboratories such as KEMA, CESI, SABS and many
more.
We maintain a quality system in full compliance with ISO9001-2008 that
is externally audited and certified by KEMA.
Regional offices in more than 22 countries provide our customers with
integrated solutions based on our innovative products combined with
unrivalled service.
Introduction
Tavrida Electric’s autoreclosers are designed for use on overhead
distribution lines as well as in distribution substation applications for
voltages up to 27kV.
Outdoor Circuit Breaker (OSM)
The air insulated OSM incorporates Tavrida Electric's vacuum circuit
breaker with single coil magnetic actuator in a tank made of corrosion
resistant aluminium alloy. The six main circuit bushings are made from
UV stable polymer and are completely covered by silicone rubber bushing
boots. Each bushing has built-in current and voltage sensors.
Recloser Control (RC)
The RC is a microprocessor based controller that provides all protection,
metering, data logging and communications functions.
TELARM
TELARM software allows easy communication between a PC and the
recloser control. In addition TELARM allows the calculation and testing
of best possible protection settings based on real network data taking
into consideration upstream and downstream devices.
Outdoor Circuit Breaker (OSM)
Tavrida Electric’s outdoor circuit breakers provide the following advantages:
Environmental Friendly
The OSM/TEL 15.5-16/630-204 and the OSM/TEL 27-12.5/630-205 are air
insulated outdoor circuit breaker.
The patented combined insulation makes them an environmental friendly
option.
Built for the worst conditions, the OSM has been tested at the KIPTS
harsh environment test labs in South Africa, achieving the highest rating
for both pollution and weather resistance. Worldwide installations have
shown the OSM performing at the most extreme temperatures, from -50���
°C�
in Russia to +55�����������������������
°C���������������������
in the Middle East.
Lowest Weight
Tavrida Electric’s light weight vacuum circuit breaker and the robust
aluminium tank contribute to the total weight of the OSM of not more
than 72kg making this the most light weight outdoor circuit breaker in
the market.
Consequently shipment, handling and installation are simplified to the
greatest extent.
Highest Availability
30,000 C-O operations with rated current and 200 operations with full
short circuit breaking current without any maintenance makes them the
most reliable product in the market.
Optimized Measurement
All OSMs are equipped with voltage sensors in all six bushings to measure
each 3-phase voltages on both recloser sides. Non-saturable Rogowski
coils in all 6 bushings guarantee high accuracy over a wide measurement
range. They measure 3-phase currents and residual currents simultaneously.
1
2
3
1. Terminal
4
2. Six HV bushings
5
3. Current transformers built into the bushings
6
4. Vacuum circuit breaker
5. Protective tank
7
8
6. Mechanical position indicator
7. Manual trip operation mechanism
8. Protective lid with Harting connector
9
The OSM is provided with six main circuit bushings manufactured from
UV stable polymer. They are covered by light grey silicone rubber bushing
boots which provide a creepage distance of 500mm for the 15.5kV and
860mm for the 27kV version.
Each OSM is equipped with a vacuum circuit breaker. Tavrida Electric
has simplified the mechanical structure of the vacuum circuit breaker
to the greatest possible degree. It uses three single coil magnetic
actuators, one per pole. All switching elements are assembled along a
single axis. All mechanical movements are therefore direct and linear.
The three actuators are mounted in a steel frame and mechanically
linked by a synchronizing shaft.
The result is 30,000 C-O cycles at rated current or 200 operations at full
short-circuit breaking current without the need to replace or adjust any
parts of the vacuum circuit breaker.
Tavrida Electric’s vacuum circuit breakers are entirely maintenance free
over a total life expectancy of at least 25 years.
The position indicator is located under a protective cover at the bottom
of the tank and is clearly visible from the ground. The indicator colour is
red when the OSM is closed and green when it is open.
The OSM can be mechanically tripped using the mechanical hook stick
operated lever in the base of the tank. When pulled down the OSM is
mechanically locked in the OPEN position and electrically interlocked
against closing.
Until the hook stick lever is pushed back in the closed position the OSM
remains locked and cannot be electrically operated.
9. Support rail
Recloser Control (RC)
The RC is a microprocessor based controller that provides directional
overcurrent, earth fault and sensitive earth fault protection, auto reclosing,
instantaneous metering, event log, demand logger and RTU for remote
control in a single enclosure. The protection functions support
applications such as radial line or ring line reclosers.
Communication is supported by DNP3 and Modbus protocols.
The operator panel is provided with a 6-line backlit LCD, a USB port and a
keypad to provide local control functions.
RC-05
The power supply module provides the auxiliary power supply, radio power
supply and battery charging function. The power supply module accepts a
range of 85 - 265 V AC and DC.
Temperature compensated float charging is provided to the sealed lead acid
batteries located in the RC control cubicle.
Space is provided inside the RC control cubicle to install any
communications equipment to be connected to the in-built RTU or I/O
module.
The cubicle is constructed out of powder coated aluminium for a long,
maintenance free lifetime. The roof features a ceramic based insulating
coating that provides a 16C reduction in internal temperature when the
cubicle is exposed to 1.1kW of solar radiation.
Protection
The RC allows protection against the following types of faults:
• Short circuit fault
• Bolted fault (the bolted fault element works independently from the
short-circuit protection elements and thus provides more settings
flexibility)
• Single-phase and double-phase earth-faults
• High-resistive earth fault and leakage current
• Upstream and downstream broken wire
• Undervoltage
Overvoltage
• Underfrequency
•
The RC also provides hot line tag and advanced algorithm for zone
sequence coordination.
Loss of supply protection and automatic backfeed restoration allows for a
smart power backup with automatic isolation of the faulty section
whereby two feeders are tied by a ‘normally open’ recloser.
Measurement
Voltage and current is measured on all six bushings of the OSM:
Value
Range
Accuracy
the greater of ± 1% or ± 2A
the greater of ± 5% or ± 5A
Phase currents
0…7,000A
Residual current
0…7,000A
Positive sequence current
0…7,000A
Negative sequence current
0…7,000A
Positive sequence voltage
0…18kV
Negative sequence voltage
0…18kV
the greater of ± 1% or ± 0.1kV
the greater of ± 1% or ± 0.1kV
Frequency
40…65Hz
± 0.025Hz
Single phase power factor
0….0.01
± 0.02
Three phase power factor
0…0.01
± 0.02
Phase-to-earth voltages
0…18kV
Phase-to-phase voltages
0…30kV
the greater of ± 1% or ± 0.1kV
the greater of ± 1% or ± 0.1kV
Positive sequence active power
0…65,535kW
± 2%
Single-phase active power
0…65,535kW
± 2%
Three-phase active power
0…65,535kW
± 2%
Single-phase reactive power
0…65,535kVAr
± 2%
Three-phase reactive power
0…65,535kVAr
± 2%
Single-phase active energy
0…9,999,999kWh
± 2%
Three-phase active energy
0…9,999,999kWh
± 2%
Single-phase reactive energy
0…9,999,999kVArh
± 2%
Three-phase reactive energy
0…9,999,999kVArh
± 2%
the greater of ± 1% or ± 2A
the greater of ± 1% or ± 2A
Logs
The RC provides an event log, time and date stamped with a resolution of
0.001 sec. The log is viewable from the LCD display and provides critical
operations data for the linesman such as close/trip operations, fault types,
phase and peak level of fault current and autoreclosing. The full log with
all operational history including setting change, operational and fault
history logs is viewable on PC with TELARM.
Load profile is logged with a user configured integration period of 5, 10,
15, 30 or 60 minutes. The following parameters are logged separately for
both positive and negative power flow:
• 3 phase kW, kVA and kVAr
• 1 phase kW, kVA and kVAr for each
Up to 3840 events can be stored in the memory which corresponds to 160
days with a 60 minute integration period. TELARM software can be used
to upload and plot the data.
An outstanding feature of the RC log is its ability to provide a fault profile.
Each time the controller detects a fault in the line, it is recorded and can
be downloaded and viewed on a P.C at a later stage.
The fault profile consists of measured and calculated fault parameters and
recloser protection elements statuses.
Starting from the fault appearance the RC records fault parameters like
phase currents, zero sequence current and positive/negative sequence
voltages every cycle until the recloser trips. This allows to analyze
evolving faults. Up to 10,000 records can be stored in the RC.
The fault profile supplies the engineer with all the data required for an
in-depth analysis of each fault.
TELARM
A significant issue for any recloser commissioning is to be certain that
the settings will properly protect the grid. The existing method of
developing protection settings is highly complex. A protection and
control design is based on a single-line diagram, indicating the bus
arrangement and components such as reclosers, generators, power
transformers, fuses, and capacitors. Third-party software tools are
widely used for the calculation. These tools are often not compatible
and demand manual transfer of results into the recloser controls. Once
the protection settings have been developed the design then has to be
tested with different fault scenarios in order to ensure that the grid is
adequately protected.
The RC-05 is designed to work with Tavrida’s TELARM recloser software.
TELARM has been designed to eliminate the extraordinary complexity of
calculating and testing of optimal recloser settings.
Tavrida Electric offers a complete hardware and software solution that
allows the engineer to:
Conveniently and accurately model the distribution grid with intuitive
single line diagrams
• Configure all recloser settings
• Automatically calculate optimum recloser settings based on real
network data
• Simulate and test the recloser settings even under the most complex
fault scenarios in the realistic modelled real network environment
• Upload the tested settings directly to the recloser control
• Download settings and log data from the recloser control
• Generate graphs of fault and load profile data
•
With an increasingly complex grid, TELARM represents a true SmartGrid
solution. With recloser controls offering an almost exponential number
of possible settings, TELARM solves the problem of determining the
optimal settings and thereby utilizing the full advantages of a recloser
network.
Recloser Settings Calculation - the TELARM Way
step 1: Using easy graphic editor to model your grid
with all the protection devices installed.
step 2: Automatically calculate protection settings
of the installed reclosers. Settings will be
automatically coordinated with existing
protection devices like fuses.
step 3: Simulate and verify the grid behaviour
under normal and fault operating conditions.
step 4: Download settings to devices installed in
real feeder.
TELARM Dispatcher Interface
The TELARM Dispatcher Interface allows remote communication with the OSM reclosers via Internet.
SSL technology is used to secure communications with the reclosers. TELARM can be connected to all reclosers
simultaneously. Selectable indication signals can be displayed in the network diagram near the corresponding recloser.
User-Defined Data Generator (UDDG)
The RC supports the generation of user-defined signals. For this purpose TELARM provides graphical editor with easy and
intuitive interface for the schematic drawing of a special signal.
Any indication signal can be processed using the set of operators (logical OR, AND, XOR as well as relay and trigger).
A sample circuit is shown which generates an alarm signal when the current in either of 3 phases exceeds the level of 50A.
User defined signals are available through any communication interfaces supported in RC.
Outdoor Circuit Breaker (OSM)
Basic Operating Parameters
OSM/TEL
15.5-16/630-204
OSM/TEL
27-12.5/630-205
Rated data
Rated voltage (Ur)
15.5 kV
27 kV
Rated power frequency withstand voltage (Ud), 1 min dry
50 kV
60 kV
Rated power frequency withstand voltage, 10 s wet
45 kV
50 kV
Rated lightning impulse withstand voltage (peak) (Up)
110 kV
125 kV 1)
Rated current (Ir)
630 A
Cable charging current
31.5 A
Line charging current
10 A
Rated short-circuit breaking current (Isc)
16 kA
Rated peak withstand current (Ip)
40 kA
31.5kA
Rated short-time withstand current (Ik)
16 kA
12.5 kA
4s
4s
Rated duration of short ciruit (tk)
12.5kA
Rated frequency (fr)
50/60 Hz
Switching performance
Mechanical life (CO-cycles)
30,000
Operating cycles, rated current (CO-cyles)
30,000
Operating cycles, rated-short circuit breaking current (O-operations)
200
Closing time, not more than
77 ms
Opening time, not more than
Rated operating sequence
32 ms
O-0.1s-CO-1s-CO-1s-CO
Standards
IEC 62271-100
IEC 62271-200
IEC C37.60-2003
Standards
Other data
Resistance of main circuit
Weight
< 85 µOhm
< 95 µOhm
65 kg
70 kg
Altitude
3000 m (above 1000m derating
according to ANSI C37.60)
Humidity
100%, condensing
1.1 kW/m2
Solar radiation
≤
Temperature range
-40��
°C...+55��
°C
Type of driving mechanism
Pollution level
Monostable magnetic actuator
very heavy (as defined in IEC 60815)
Recloser Control (RC)
Value
Basic Operating Parameters
RC/TEL-05E
Rated frequency
50/60 Hz
Rated cubicle (auxiliary) supply voltage
85...265 V AC/DC
Rated operating sequence
O-0.1s-CO-1s-CO-1s-CO-60s
Degree of protection
IP54
Temperature range
-40��
°C...+55��
°C
Maximum humidity
100 %
Maximum altitude above sea level
2000 m
Vibration endurance (Pole mounted)
IEC 60255-21-1 Class 1, test acceleration 1.5g
Vibration response (Pole mounted)
IEC 60255-21-1 Class 2
Shock response (Pole mounted)
IEC 60255-21-2 Class 1
Bump
GOST 17516.1-90, class M7, GOST 16962.2-90
Seismic
Operating time after loss of auxiliary supply
- at +25��
°C
- at -40��
°C
- at +55��
°C
IEC 60255-21-3 Class 1
2),
hours,not less:
48
12
48
RTU power supply:
- voltage range
- max output power
- max output power at 0.5 duty cycle (range 12-15 V)
5...15 V, step 0.5 V
15 W
30 W
Maximum power consumption of RC from auxiliary supply
60 W
Weight
Dimensions
Notes:
1) 150kV on request
2) Without providing power for RTU and USB, without IOM, CPM off
3) Battery, IOM and RTU are not included.
29 kg 3)
450x860x390 mm
Australia
China
Tavrida Electric Australia Pty Ltd.
5/490 Frankston Dandenong Road
Carrum Downs Victoria 3201
Australia
Phone: +61 3 97867444
Fax: +61 3 90119681
E-Mail: info@tavrida.com.au
Web: www.tavrida.com.au
Tavrida Electric (Beijing) Co., Ltd.
First Floor West, Building 11, No. 28 Yuhua Road, Area B,
Beijing Airport Industrial Zone,
101300 Beijing, China
Phone: +86 (10) 8049 2474/5474
Fax:
+86 (10) 8049 7114
E-Mail: info@tavrida.cn
Web:
www.tavrida.cn
Germany
India
Tavrida Electric GmbH
Georgstr. 7, 88069 Tettnang
Germany
Phone: + 49 (0) 7542 9467851
Fax: + 49 (0) 7542 9467861
E-Mail: info@tavrida.de
Web: www.tavrida.de
Tavrida Electric India Private Limited
15 NC, Block-A, New Alipore
Kolkata - 700 053, West Bengal, India
Phone: +91 33 2488 1715/3260 8634
Fax:
+91 33 2488 1766
E-Mail: info@tavrida.in
Web:
www.tavrida.in
South Africa
Switzerland
Tavrida Electric Africa (Pty) Ltd.
Cnr.Van Dyk and Commissioner Streets
Boksburg East, Gauteng, Republic of South Africa
Phone: + 27 11 9142199
Fax: + 27 11 9180584
E-Mail: info@tavrida.co.za
Web: www.tavrida.co.za
Tavrida Electric AG
Rheinweg 4, 8200 Schaffhausen
Switzerland
Phone: + 41 (0) 52 630 26 00
Fax: + 41 (0) 52 630 26 09
E-Mail: info@tavrida.ch
Web: www.tavrida.ch
If your country is not listed above please consult www.tavrida.com to find your nearest Tavrida
Electric partner.
This document is copyright and is intended for users and distributors of Tavrida Electric product.
It contains information that is the intellectual property of Tavrida Electric and the document, or
any part thereof, should not be copied or reproduced in any form without written permission from
Tavrida Electric.
1600-PG-001
Recloser PG EN 06/2010
Tavrida Electric applies a policy of ongoing development and reserves the right to change product
without notice. Tavrida Electric does not accept any responsibility for loss or damage incurred as a
result of acting or refraining from action based on information in this Product Guide.