Answer Posted / bijay kuma bhoi

in star connection current is always same in starting and
running period ,so we can use fixed class of insulation
cable,but in case of delta this is not possible due to
changes of current .so all ht motors are conncted in star .

write down the formula of cable size in RM if current is 50Amp.

1380

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what is differant beetween overload current and phase current?

2417

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is the value of inductance depends upon the value of thitha in doubly excited machine??

2093

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what happened when we supply a dc current in dc motor?? can it worked properly?

2003

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how power trnafor from 1 point to another point in bus bar ya transmission line( voltage trnasfer from 1 point to another poin)

2055

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define superposition theorem thevnin theorem ,norton theorom?

2456

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Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

2368

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What are gain margin and phase margin?

1445

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how to select electronic timer(Star-Delta) setting for diff. rating motors

2002

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State norton’s theorem?

1175

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Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?

2947

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I'm looking for a mnaual set for a Teradyne J750. Softcopy would be preferred but I'll take what I can get.

2256

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Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.

2184

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what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group

2135

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Dear sir, iam completed iti ncvt electrician 2000-2002 & diploma electrical eng completed 2008-2010 distance education in rvd university, still i got B licences only but my working company want C licences, how to i get c licencese pls reply me iam in critical situation thank you karthick 9841637803

1745

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