Answer / guru

The Differential relay works on the principle of difference
of current in primary and secondary circuits of a busbar or
transformer etc.,

Generally the PS Class cores of the CT is used in operating
the differential relay

Answer / reza

bus bar diffrantial simoling matlab

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At the time of 1st charging of transformer, there were huge inrush current, so why at that diffrential relay are not operated? Why?

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Which standard we are following earthing resistance test

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how harmonics are generated due to nonlinear load & how harmonic filters work?

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Generator,motor and alternator Working principal Please explain easily

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what is the potential of 11kv A.B.Switch

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what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

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What is the minimum permissive IR value for LT & HT motor for safe starting?

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