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In rush current

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Guardiano

Guardiano

Electrical
Nov 11, 2008
118
Hi,
I am actually setting my protection relay on a 7.5MVA 22/11 kV transformer and would like to know if 12 times rated current is a safe setting for the inrush current.
Thanks.
Guardiano
 
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Yes.It is a safe setting. Inrush can be 8-12 times full load current for this range of transformers,
 
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