Answer / pswin

It will depends on the type of magger. You can choose desire volt by using selector switch within the range of magger. For low voltage switchboard busbars, 500 V is enough.

Answer / emmanuel

It depends on the technicians choice of voltage. You shoulb
able to get a guess of how much voltage the cable should
be able to0 endure without losing its insulation and then
subject that c abkle to that voltage on the megger. For
low voltage installations about 500V should be okay since
the maximum voltage of a three phase system will be 415V
if bridged.

Answer / simon

5000 v on 140 to 160 R.P.M.

Answer / venkatesh s.r

500v dc

a 120 60 watt incandescent lamp has to be operated from 50 c/sec 1 phase ac supply. in order to do this a circuit element has to be connect in series with the lamp. which one of the following sries element is preferable.

1 Answers   SSC,

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why we use only sine wave in ac why we do not use other wave forms

21 Answers   BARC, NTPC,

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what is the meaning of insulation level?

2 Answers  

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1 Answers  

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difference between turns ratio and transformation ratio?

2 Answers  

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how to calculate the ct burden?

1 Answers   Hydropower,

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5 Answers   IFFCO,

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what about the power of wattmeter at starting and loding?

0 Answers   TATA,

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6 Answers   ABB,

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what is meant by PU value ? anyone can you explain briefly to me ?

3 Answers  

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WHAT IS THE DIFFERENT BETWEEN MCB & MPCB? & HOW IS USE?

3 Answers   Gandour,

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Why field rheostat is kept in minimum position?

0 Answers  

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