Answer / ram singh chauhan

VD=MV*I*L/1000
M=milli volt

I=current

L=cable lenth

how to select energy meter? have any calculation?

0 Answers  

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after how many spot we must chang secondry cable in portable spot welding gun?

0 Answers  

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What does dny11 stand for?

5 Answers   Cenored,

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I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?

0 Answers   Siemens,

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Which of the following loss varies with the load A hystresis loss B eddy current loss C copper loss D core loss

1 Answers  

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Could u pls tell me the NPCIL electrical engineering interview questions for Executive trainee, and also guide me how to face the interview.

0 Answers  

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what is the pre commissioning test to be carried out on LT power panel at site?

1 Answers  

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IN 6.6KV 3 phase switch gear .i will give 6.6kv to R phase only to earth in during H.v testing (through H.v KIT).what happen remaining phases.how much voltage get remaining phases.why? explain.

1 Answers  

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how DC motor operating in detail .pls any one guide me .iam not clear idea about that .thank u

2 Answers  

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How to determine stage of Automatic Power factor controlling Relay(Apfcr)?

0 Answers   ABC,

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when we r using 3.5 cable for a bldg. and put laod on each phase using the neutral and neutral is the return paht for the phase so the current of the neutral must be Ir+Ib+iY (return).But the size of the netural is .5 as comper to the phase.

2 Answers  

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what is the difference between scaler and vector control in drive and where it is to be used ?

1 Answers   Essar, TCS,

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