Vector group of transformers of generating and distribution system
Vector group of transformers of generating and distribution system
(OP)
I am working in a 35MW gas engine based power plant. I am in confusion whether the vector group of 40MVA, 11/33KV step-up transformer of the power plant should be Ynd1 or Ynd11. Is there any effect of this vector group on the performance of the generator sets? All the distribution transformers connected to the 33KV system are of vector group Dyn11.It will be highly appreciated if anybody extends his valuable suggestion. Thanks to all for giving attention.






RE: Vector group of transformers of generating and distribution system
Regards
Marmite
RE: Vector group of transformers of generating and distribution system
It also matters if you have an auxiliary tranformer connected to generator terminals. Vector matching at the auxiliary busbars for unit auxiliary and station auxiliary supplies is an important factor to be considered in selecting the right vector group for GSUT.