Answer / elecopr

Bcoz Capacitor initially behave as an short circuit in
capacitor current lead voltage by 90 degree,in that way
capacotor split the phase.

what is the MF if CT ratio is 500/5 and in meter specification is 3.75 REVS/KWH? Thanks and Regards Selvendran.N

1 Answers  

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plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?

0 Answers  

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comparision between mcb,mccb,elcb,flcb,elcb in details

0 Answers   ABB,

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in an open circuit. test there is no load curent.. but secondary. ia open then no urrent have to flow but there a smaller current flows why?

4 Answers   Rubber Park,

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating

0 Answers  

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difference between isolator and circuit breaker?????

7 Answers   Enercon,

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what is high - pot test. what's its use?????

0 Answers  

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why ups rated in kva

1 Answers   MRF,

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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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1 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?

3 Answers   Focus, Focus Energy,

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Which motor runs on both ac and ac? a) dc series motor b) reluctance motor

2 Answers  

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What is the meaning of capacity of a 63 Amps TPN MCB? Is it the per phase capacity or the totol capacity?

1 Answers   Mother Dairy,

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