REAL TIME DIGITAL
SIMULATION
GOOSE and SV with RTDS
GOOSE and SV with RTDS
Presentation Outline:
 Introduction to RTDS
 Network Interface Card
 GTNET-GSE
 GTNET-SV
 IEC 61850 applications in
RTDS
 Question and Answer
The World Standard for Real Time Digital Power System Simulation
RTDS Technologies Inc.
Background and History:
 Technical Advisory Board (sponsors)
 RTDS Development Project initiated in 1986
 Major Funding from Manitoba Hydro
 World’s 1st real time HVDC simulation was
achieved in 1989
 Continued development and refinement to
produce a commercial product
 1st commercial installation in 1993
 RTDS Technologies created in 1994
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RTDS Simulation Hardware
RTDS Hardware
 Custom parallel processing computer
 Modular hardware design
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A unit of hardware is called a ‘Rack’ and typically includes:
2~6 RISC PB5 Processor Cards
1 Giga Transceiver Workstation InterFace Card (GTWIF)
 Main interface with the hardware is through user-friendly software
 Ample, convenient input and output allowing connection of physical devices
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RTDS Simulation Software
RSCAD
 Includes everything
required for simulation
studies
 No additional add-on
modules required for any
aspects of simulation
 No 3rd party modules
 Site license and one
maintenance agreement
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GTNET
GTNET Card
 Network Interface Card
 Used to interface a number of different network
protocols with RTDS simulator
 Currently supports
 GSE – IEC 61850 GOOSE/GSSE
 SV – IEC 61850 9-2LE (Sampled Measured
Values)
 PMU – IEEE C37.118 data stream output
 DNP3 – Distributed Network Protocol
 IEC 60870-5-104 (104)
 PLAYBACK – Playback of large data sets
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GTNET-SV
GTNET Component Library
GTNET-SV
 Simulates IEC 61850 9-2 LE compliant Merging Unit
 Two models with different capabilities available in the library
 GTNET_SV9-2_v5.def
 GTNET_SV-SE2.def
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GTNET-SV
GTNET Component Library
GTNET_SV9-2_v5
 Compliant with IEC 61850 9-2LE
 Provides IEC 61850 9-2 Sampled Measured
Values communication using GTNET hardware
 Can be configured to publish up to 2 data
streams
 According to 9-2LE, one data stream shall
contain 4 currents and 4 voltages
 Sample rate at either 80 or 256 samples per
cycle
 256 samples per cycle applies to one
output data stream only
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GTNET-SV
GTNET Component Library
GTNET_SV9-2_v5 – Non-9.2LE mode
 based on IEC 61869-9 and the Chinese National
Standard for SV merging units
 Able to publish one datastream for up to 24
channels of voltages or currents
 The time delay channel can be configured to the
first channel as required in a Chinese merging unit
SV datastream
 Currently supports data rate of 80 samples/cycle
 Able to achieve the requirement of 10 usec of jitter
between samples
The World Standard for Real Time Digital Power System Simulation
GTNET-SV
GTNET Component Library
GTNET_SV9-2_v5 – Input Mode
 Can be configured to subscribe 1 data
stream from 1 MU at 80 or 256 samples
per cycle
 GTSYNC is needed for use of the
GTNET_SV9-2_v5 component
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GTNET-SV
GTNET Component Library
GTNET_SV-SE2
 Developed to have customized functions for
Alstom Grid (UK)
 Only supports 1 SV output data stream
at 80 samples per cycle
 Change chronological order of Samples
(packets)
 Packet delay
 Packet loss
 Jitter algorithm
 Provides more flexibility for testing MUs
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GTNET-GSE
GTNET Component Library
GTNET_GSE
 GTNET_GSE_v5.def
 Provides IEC 61850 GOOSE communications
 Supports up to 4 TX/RX modules, which can be arranged to
simulate 1-4 IEDs (i.e. 1 IED with 4 modules, 4 IEDs each with 1
module…)
 Each module can publish up to 64 points (stVal) (Boolean, or
INT32, or FLOAT32, or Dbpos), or 32 points with Quality
 Each module can subscribe up to 32 points (16 Booleans) with
Quality
 Can subscribe GOOSE message from up to 16 unique external IEDs
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GTNET-GSE
GTNET_GSE
SCD Editor
 A software tool to generate the required
configuration file
 The configuration file defines the
capabilities of the interconnected devices
 Provides a mechanism for the user to
create and edit a Substation
Configuration Description (SCD) file
 Includes an interface for mapping the
external references to the GTNET inputs
 Loads existing SCD files to import ICD/CID
files
 Exports GTNET ICD file
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GTNET-GSE
GTNET_GSE
SCD Editor
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GTNET IEC 61850 Test
GTNET Card
Testing
 IEC 61850 Closed-loop relay testing
 The interested power system is simulated in RTDS
 Bus voltages and breaker currents at certain location are sent to the external physical IEDs (IEC
61850 9-2LE or 61869-9 compatible) through SV messages
 Breaker status and tripping/reclosing signals are exchanged through GOOSE messages
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GTNET IEC 61850 Test
Testing
IEC 61850 Closed-Loop Relay Testing Demonstration
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Question & Answer
?
The World Standard for Real Time Digital Power System Simulation