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calculation method to determine actual capcity of grounding transformer

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Thread Starter

rk

what would be th calculation method to determine the actual capcity of grounding transformer
If i have a 3150KVA 33/11KV Star delta transformer.
 
P

Phil Corso, PE

Responding to rk’s 11-May-08 (19:53) query... please answer following questions:

1) Is the Delta-winding the 33kV-side and the Star-winding the 11kV-side?

2) Which side is to have a neutral grounding transformer?

3) Are you referring to an NGT system for the Star-side and a Zig-Zag transformer for the Delta-side?

Regards, Phil Corso ([email protected])
 
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