Answer / suthar bharat

using vector group of a 3ph tranformer ,we can say that ,it
defined different phase angle between primary winding and
secondary winding. Like ,different group 0',30',-30',180'..

I am having a DG set.The 415 V from Generator is step up to 460 v and then the same is used for Induction furnace. before Step up, I am connecting LT load to my factory use. When Induction furnace is in service from DG, when i try to start a motor, the generator is tripped.Please tell me the reason.

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