Answer / amarnath

Feeder pillars are the breaker panels which is the very
first set of switching/protection device at the
output/secondary side of the transformer and panel board is
a set of switching/protection devices used for distribution
of power supply.

dear all, in motor operation , motor is of 100 hp and bimetal relay setting is 130 amp, if relay is getting tripped on 120 amp balance current what can be the reason? Relay is newly replaced. I dont know but is there any frequency effect in thit case? Can frequency variation affect bimetal relay operation?

1 Answers  

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if the stetor speed (N S) increase by 20% then the rotor speed will be increased by 20% is it true. ?

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what are the types of electromagnetic forces developed in practical transformer?

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how the capacitor work on dc?

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how the reverse power relay acts..

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What is lighting kitts.

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