Answer / sewagudde

a relay is a device used to measure as specific quantity
(current, voltage, frequency,phase displacement etc)and
should that above quantity deviate from the preset nominal
value then a signal is sent to the circuit breaker to
operate.

how to select a circuit breaker?

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Why we use auxillary relay ? what is function of differential relay, directional o/c relay?

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Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

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how to increase senstivity of ct

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explain different losses in a transformer.

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what's burden resistor, why it's used?

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what is the difference between ceiling fan and wall mounteed fan technically

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