Back Energisation relay
Back Energisation relay
(OP)
What is the purpose of Back Energisation relay for generator transformer (61 MVA, 220/11.5kv,Ynd11)protection?
Relay used is CAG37, make: GEC Alstom.
Relay used is CAG37, make: GEC Alstom.






RE: Back Energisation relay
RE: Back Energisation relay
RE: Back Energisation relay
RE: Back Energisation relay
The relay CAG 37 is Instantaneous OC relay, used for short-circuit protection. In this case, the relay can protect the system in case of faults on the HV side of the transformer, including the bushings and cable / overhead line.
Trust the above helps.