Relay Testing with HYPERSIM allows for more advanced testing of relays using a simulator rather than traditional open-loop testing. A simulator provides closed-loop testing where the relay response feeds back into the simulation, allowing testing under critical conditions. It offers benefits like evaluating new protection algorithms, studying complex protection schemes, and analyzing interactions between real and virtual relays. Key features include detailed EMT analysis, automation of test sequences, and the ability to simulate faults, disturbances, and communications protocols like IEC 618450.

1. Relay Testing with HYPERSIM
by Vincent Lapointe for Etienne Leduc
June 26, 2013

2. Content
• What are new challenges?
• Why using a simulator?
• What would be the benefits?
• Some features ...
• Use cases
• Showtime

3. 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

4. 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, ...

5. 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,

6. 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

7. 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

8. 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

9. Standard analog and digital I/O
interface

10. IEC 61850 comm. Interface

11. 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)

12. Model
Fault group 1:
Overcurrent fault
Fault group 2:
Overvoltage fault
Simplified Hydro-Quebec’s network

13. Corresponds to a
bus redundancy
configuration
Fault 1: Overcurrent

14. 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

15. 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

16. SHOWTIME

17. • Video
Bottom line

18. Thank you for your attention!
Questions?