In any plant or substation main incommer voltage RY - 415
V,YB - 400 V, BR - 387 V(in commer feed from transformer 11
Kv /0.415 KV) why found voltage differance in each phase?
plant have not self power plant it is depend on outsource
grid
Answer Posted / k.prakashchandra
If this condition is on no-load, replace tr
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