Answer / gunasekaran

transformer inrush current having more 2nd horminics it
will give the false trip to diffrential protection

Answer / sudheer868

It has frequency 2 times that of fundamental.Second
harmonics does not effect transformer as the supply is
symmetrical.If supply is symmetrical even harmonics are
automatically eliminated.

what is zinc diffusion?

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7 Answers   HCL,

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1 Answers  

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