opal-rt rt13: relay testing with hypersim
DESCRIPTION
Relay testing with HYPERSIM, by OPAL-RTTRANSCRIPT
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Relay Testing with HYPERSIMby Vincent Lapointe for Etienne Leduc
June 26, 2013
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Content
• What are new challenges?
• Why using a simulator?
• What would be the benefits?
• Some features ...
• Use cases
• Showtime
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Traditional Testing Approach
• Open-loop testing– playback EMT simulation or
– replay the field-recorded data
• Omicron, Doble, Megger test sets
• Sets a fixed voltage and ramps current from 0 to relay operates
• Repeats such a test for several operating points
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What are new challenges?
• New type of applications : smart grids, microgrids, DER
• New protocols : IEC-61850, MMS, C37.118, DNP3, ...
• Increased number of functions
• More complex relay characteristic
• Different vendors have different operating philosophies and algorithms
• New type of equipment installed : merging unit, pdc, ...
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Why using a simulator?
• Closed loop testing : response of the IED under test is fed back into the simulator and possibly affects the simulation
• Perform detailed EMT analysis and testing • Evaluate relay performance under critical conditions , while it is in service• Develop and prototype new protection algorithm (RCP) • Study complex protection scheme and see interaction of real and virtual
relays and their behaviour altogether.• See interaction between relays and power electronic equipment such as
HVDC, FACTS,
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What would be the benefits?
• Purchase the best products for a given application
• Make sure the installed equipment is operating correctly
• Analyze any problems efficiently and in great detail
• Demonstrate to a regulator a reliable (selective) performance
• Identify abnormal behaviour of power system or protection and control equipment
• Study more application cases
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Some features ...
• Models– Simulate large grids with loads, generators, transformers, lines,
motors,...– Simulate complex power electronic converters– Simulate CT, PT – Simulate virtual IED and new type of protection– Relay library
• Simulate various type of faults and of power disturbances – fault location, fault type and fault interception – Apparatus internal fault
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Some features ...
• Test Automation
– Automate test sequences
– Monte Carlo analysis
– Playback recorded data from field
– Scripting and macro recording
– Import and export various file format such as COMTRADE
– Produce report automatically
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Standard analog and digital I/O interface
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IEC 61850 comm. Interface
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Protocol IEC 61850
IEC 61850 is are international standards defining:
• how to describe the devices in an electrical substation
• how to exchange the information about these devices
2 types of messages:
• Sampled Values (SV)
• Generic Object Oriented Substation Events (GOOSE)
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Model
Fault group 1:Overcurrent fault
Fault group 2:Overvoltage fault
Simplified Hydro-Quebec’s network
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Corresponds to a bus redundancy
configuration
Fault 1: Overcurrent
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Fault 1: Overcurrent
1. Bus-to-ground fault, 1 or many phases
2. Bus MTL735_1 is disconnected and power flows on bus MTL735_2
1
2
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Fault 2: Overvoltage
1. A 3000 MW load
is disconnected,
voltage increases
2. Ten 330 MVAR
inductances are
connected to
bring the voltage
back to 1 pu
1
2
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SHOWTIME
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• Video
Bottom line
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Thank you for your attention!
Questions?