Answer / vinoth

its for Protecting motor in overload,earthfault,underload and single phasing.
it need CT inputs / Some of the relay will works without CT by direct insert the power cable in Power-hole of relay.

what kind of material to be used after ngr unit? cu or GI

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thyristor controlled APFC panel design parameter?

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why transmission voltages are in multiple of 11kv?

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if we use a normal natural thundering; than approx how much amount of electricity we generate?

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