1. REAL TIME DIGITAL SIMULATION
GOOSE and SV with RTDS

2. The World Standard for Real Time Digital Power System Simulation
GOOSE and SV with RTDS
Presentation Outline:
Introduction to RTDS
Network Interface Card
GTNET-GSE
GTNET-SV
IEC applications in RTDS
Question and Answer
The World Standard for Real Time Digital Power System Simulation

3. 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
The World Standard for Real Time Digital Power System Simulation

4. RTDS Simulation Hardware
RTDS Hardware
Custom parallel processing computer
Modular hardware design
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
The World Standard for Real Time Digital Power System Simulation

5. 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
The World Standard for Real Time Digital Power System Simulation

6. The World Standard for Real Time Digital Power System Simulation
GTNET
GTNET Card
Network Interface Card
Used to interface a number of different network protocols with RTDS simulator
Currently supports
GSE – IEC GOOSE/GSSE
SV – IEC LE (Sampled Measured Values)
PMU – IEEE C data stream output
DNP3 – Distributed Network Protocol
IEC (104)
PLAYBACK – Playback of large data sets
The World Standard for Real Time Digital Power System Simulation

7. The World Standard for Real Time Digital Power System Simulation
GTNET-SV
GTNET Component Library
GTNET-SV
Simulates IEC LE compliant Merging Unit
Two models with different capabilities available in the library
GTNET_SV9-2_v5.def
GTNET_SV-SE2.def
The World Standard for Real Time Digital Power System Simulation

8. The World Standard for Real Time Digital Power System Simulation
GTNET-SV
GTNET Component Library
GTNET_SV9-2_v5
Compliant with IEC LE
Provides IEC 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
The World Standard for Real Time Digital Power System Simulation

9. The World Standard for Real Time Digital Power System Simulation
GTNET-SV
GTNET Component Library
GTNET_SV9-2_v5 – Non-9.2LE mode
based on IEC 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

10. 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
The World Standard for Real Time Digital Power System Simulation

11. The World Standard for Real Time Digital Power System Simulation
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
The World Standard for Real Time Digital Power System Simulation

12. The World Standard for Real Time Digital Power System Simulation
GTNET-GSE
GTNET Component Library
GTNET_GSE
GTNET_GSE_v5.def
Provides IEC 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
The World Standard for Real Time Digital Power System Simulation

13. The World Standard for Real Time Digital Power System Simulation
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
The World Standard for Real Time Digital Power System Simulation

14. The World Standard for Real Time Digital Power System Simulation
GTNET-GSE
GTNET_GSE
SCD Editor
The World Standard for Real Time Digital Power System Simulation

15. The World Standard for Real Time Digital Power System Simulation
GTNET IEC Test
GTNET Card
Testing
IEC 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 LE or compatible) through SV messages
Breaker status and tripping/reclosing signals are exchanged through GOOSE messages
The World Standard for Real Time Digital Power System Simulation

16. The World Standard for Real Time Digital Power System Simulation
GTNET IEC Test
Testing
IEC Closed-Loop Relay Testing Demonstration
The World Standard for Real Time Digital Power System Simulation

17. The World Standard for Real Time Digital Power System Simulation
Question & Answer ?
The World Standard for Real Time Digital Power System Simulation