Himadri Roy
Apr 2, 2012, 04:17 AM
Dear Sir,
We are having 12 MW Generatot, 15 MVA Generator Transformer, 11 KV / 33 KV,Connection Yn0yn0, is any Neutral Grounding Resistor required on GT11 KV Star side? We are having 63.5 Ohms of NGR on our 12 MW Generator.
We are having SPAJ 140 C, ABB make relay on Transformer both side,what are the protection required on GT?
Thanks with regards & waiting for reply.
Himadri
We are having 12 MW Generatot, 15 MVA Generator Transformer, 11 KV / 33 KV,Connection Yn0yn0, is any Neutral Grounding Resistor required on GT11 KV Star side? We are having 63.5 Ohms of NGR on our 12 MW Generator.
We are having SPAJ 140 C, ABB make relay on Transformer both side,what are the protection required on GT?
Thanks with regards & waiting for reply.
Himadri