Answer / probal mitra

It is due to the skin effect, which reduces effective
crosssection of conductor carryin A.C. current. hence the
resistance increases and larger conductor is reqired.

If u have 60KVA UPS, than tell me how systems ( computers ) u may connect?

3 Answers   Thomson Reuters,

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Can we use the 60 HZ transformer/rectifier/Motors/Coils in 50 HZ? if not so, why?

3 Answers  

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If we know the load for generator in KW then how it will be change to amps and also if we know the load in amps how it will change in KW and what Generator is good for that...suppose load is 500 amps 3phase......??

1 Answers  

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What is difference between PVC cable & XLPE cable?

14 Answers   Intertek,

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why ligthing is not available in switch yards?

1 Answers  

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Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?

0 Answers  

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why 3 phase is preferred than 1 phase?

4 Answers   Infosys,

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List any four conventional sources of energy.

1 Answers  

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What is meant by sag?

0 Answers  

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A 400KVA ,50HZ TRANSFORMER IS TO BE OPERATED AT 50HZ.THEN KVA RATING OF THE TRANSFORMER?.

4 Answers   GATE,

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What are the special protection given for high capacity Motor, more then 10mw

2 Answers  

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pre arcing time of ehv breaker

0 Answers  

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