Answer / faizan

For cable selection we need supply voltage,load current and distence between source to load end ,then we can choose the size of cable and also it depends on meterial of cable,( cu/alu )..

Answer / pratap

70 ton=245280watt
I=245280/1.73x440x.8
 
  =402 Amp
cable size 400sq.mm(3 phase +neutral)

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3 Answers   Essar, Getco, Nissan,

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why do the alternator doesnt have open circuited windings in armature???

1 Answers  

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how many testing use in power transformer?tell equipment names?

2 Answers   ABB, Electrical,

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3 Answers  

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1 Answers  

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0 Answers   Deccan Cements,

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1 Answers   IFFCO,

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3 Answers  

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what is hysteresis loss?

4 Answers   PSU,

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