What are the implications when the power factor is is leading condition ?

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IN THE CASE OF AN ELCB, IF THERE IS ANY UNSTABILITY BETWEEN PHASE AND NEUTRAL IT MAY TRIP. BUT MY QUESTION IS WHEN A LOAD IS CONNECTED IN BETWEEN P AND N, THE LOAD CONSUMES SOME POWER AND THERE IS A DIFFERENCE IN NEUTRAL WITH RESPECT TO THE PHASE. THUS ACCORDING TO ME, THE ELCB WILL AUTOMATICALLY OPERATES WHEN EVER THE LOAD CONSUMES-- I KNOW IT IS WRONG. BUT THE SOLUTION IS?????????

1 Answers   KSEB,

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can we use 400w coke instead of 250w choke in 250w fittings

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what is meant by dedicated earthing?

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why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?

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for flour light (garden light) how much deep need to put 222ov 0

1 Answers   Anantara Hotels,

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Differentiate AC and Dc resistance

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what is means of ALF,kPV(min),lexc(max)at Vk,Rct@75 degree centrigate ohm in current transformer name plate?

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after parallaing two generators current is shooting up in both the generators.for ex: load is 400 kw..after paralling and load sharing current in running gen is approx 900 amps and incoming is 750 amps which is too high when trying toshift the load current in incoming gen is coming more than 1300 amps and both getting tripped and making blackout..

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Which is stiffer between salient pole rotor and cylindrical rotor synchronous machines? Justify your answer.

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How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f normally used in Canada is to be operated in Europe on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same

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can we use breather in a SEALED power or distribution transfomer instead of injecting nitrogen.

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