A Virtual Power Quality Test Lab

Victor WongSenior Vice President, Transmission

Sarawak Energy Berhad

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Real Time Power System Simulator• Powerful parallel processing hardware and custom I/O • Advanced and comprehensive user interface• Extensive, well proven power and control system component

libraries • Large scale real time simulations• True hard real time response for closed-loop testing• Control system testing - HVDC, SVC, FACTS...• Protective relay testing - line, transformer, busbar, generator... • Smart grid applications (eg IEC 61850)• Distributed generation - wind, solar, fuel cells...

Real Time Digital Simulator(RTDS)

For more information on RTDS

http://www.rtds.comRTDS Technologies Inc, Canada

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RTDS Simulator SoftwareRSCAD Software SuiteRSCAD provides the ability to set up simulations, control, and modify system parameters during a simulation, data acquisition, and result analysis. The modules of the RSCAD Software Suite include: FileManager, Draft, Tline, Cable, RunTime, MultiPlot and ComponentBuilder.

Component Model Libraries

Power System Components Control System Components Protection & Automation

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Virtual PQ Test Lab• Leverage investment in RTDS• Set up a simulation & test environment where

physical devices can be tested• Training environment

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Test Set-up 1 : Harmonic Measurements

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Harmonics measurementThe percentage of Total Harmonic Distortion generated from RTDS test case is 41.4%.

Generated signals

Results

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Test Set-up 2 : Voltage sag

Step load change from 2.5MW to 100MW

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Voltage Sag generated

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Voltage Sag Captured by

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• RTDS as a versatile power system simulator interfacing with physical devices

• Useful training environment• Testing performance of PQ monitor/meters• Investigating proposed mitigation solutions

Conclusion

THANK YOUfor your attention

victorwong@sarawakenergy.com.myhttp://www.sarawakenergy.com.my

Special thanks to Guan Khien Seng who helped to prepare the RSCAD models & run the test cases for this presentation.