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Zigzag transformers - leakage reactance

Thread starter djsw
Start date Jan 1, 2009

Status: Not open for further replies.

Jan 1, 2009

djsw

Electrical

I need to calculate reactance of zigzag earthing transformer, i.e. ZNzn vector group transformer.
I have designed before star/zigzag transformer (ZNyn) and I know how to calculate leakage reactance of that type vector group transformer.

But, now I need formula for leakage reactance X for zigzag-zigzag vector group transformer?