Relay Protection Laboratory

DEPARTMENT OF ELECTRIC ENERGY

Relay Protection Laboratory


The Relay Protection Laboratory consists of two parts: student lab and research lab.

 

Relay Lab

Student Lab

The student lab is located with the electrical machines lab and is used in the course TET4215. It is equipped with 6 single function relays from Jacobsen electro (3* 205 (Over-current) and 3*223 (Distance)) and 3 7UM(5 relays from Siemens (Generator protection). The lab also have two dedicated relay testers, Omicron CMC 356. The lab is integrated with the Leybold modular testing system with 110 V source, overhead line model, circuit breaker and loads in three parallel modules.         

Lab photo Lab photo

Research Lab

The research lab is equipped with an OPAL-RT real-time simulator with IEC 61850 SV/GOOSE capabilities. This allows MatLab Simulink modelling and simulation to test power system real-time performance and hardware-in-loop testing of equipment.

The lab also has four Relion 670 2.0 relays (2 RED (line-differential), 1 RET (transformer) and 1 REG (generator)) from ABB and two REF615 feeder protection relays also from ABB. The Relion 670 relays are connected to process bus for digital substation evaluation. All relays are connected to a common Settings-bus for external setting. There is also one stand-alone merging unit SAM 600 from ABB.

The research lab has one relay tester Omicron CMC356 with IEC 61850 capabilities. An SEL2488 station clock is used to synchronize the laboratory from GPS.

The “Click modular router” software is used to manipulate data packets on the process bus and the “Wireshark” software is used to examine data streams.

Lab photo