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)

i have one source transformer with the capacity of 50KVA, connected with two loads 10kw and second one is 15kw.. how can i calculate first load in KVA and second one in KVA .. because Kva rating, power factor rating of of transformer is different from the load… there must be some way to calculate load KVA rating and power factor….

1 Answers  

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Why transformer rating is represent in KVA?

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