Answer Posted / naresh chandra jha

to check that mmf is in additive polarity or subtractive ,
polarity polarity test is important because in case of
additive polarity (primary mmf and secondary mmf in same
direction direction ) insulation may get damage .

how can I calculate charging current of cable/overhead conductor? what is roll of voltage in it ?

3617

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what is the advantage of connecting capacitors in delta than in star?

2044

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please suggest some good universities with low cost iam in totally full confusion so please help me my profile gre 283 and ielts 5.5

1541

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What is dc current source?

1216

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How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

1733

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why we use the 100% and 95% stator earth fault protection for the synchronus generator ?

2249

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what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

11593

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in non technical way how can u define POWER FACTOR??

1764

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What is self exciting?

1639

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Hi, This is Laila. I am selected for syndicate bank interview. Could you please share your views and the questions asked if you have faced the interview My email id is laila_honey09@yahoo.com Please send as fast as u can.Thank You Thanks... Laila.

2053

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i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value

1872

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Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

2290

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How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

1617

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Explain difference between stand by earth fault and residual earth fault protection?

1935

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what is the criteria for selection of conductor used for ehv ac electrical dischrge

2024

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