how to calculate neutrel current

2 Answers  

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what is the difference between earthed cables and unearthed cables

2 Answers   Bhel,

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if we convert kva into Ampers,which one formula use by us,pls tell me?

7 Answers   ABB,

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What is triac?

3 Answers   NTPC,

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Difference B/W A/C & D/C Motors..?

10 Answers   Toyota,

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can any tell me why slope 40% and 80% is calculated in differential protection?

0 Answers  

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how many types of ct retio

3 Answers  

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What makes the difference between 50Hz supply and 60Hz supply which one is economical? What is the use of using increased frequency?

5 Answers   ABB,

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how much current does 3ph. 10 hp ac motor draw.

8 Answers  

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It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.

0 Answers  

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what kind of material to be used after ngr unit? cu or GI

1 Answers   Michelin,

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In which reason, one end of CT secondry get connected with Earthed? Normaly S1 of CT. Why????

1 Answers  

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