Answer / guna

if u want to use Aluminium cable divide the current value by 1.4
for copper cable divide the current value by 2.4

Answer / ehsisjwuwu

reallly dont know :-)

Answer / shyam sharma

both of above are not a rgt ans.
plz give a precisious ans.

Answer / ramkumar

sq.mm=Irun^2/1.6 For copper
sq.mm=Iruna^2/1.2 For al

Irun is Running current.

why the single phse machine can not run by the three phase supply.

2 Answers  

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for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain

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what is the difference between 'Control Transformer & Potential/Voltage Transformer'?

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List any four conventional sources of energy.

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How will u calculate wire size according to current rating?

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How many types of faults are there in 3 phase power system?

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how to calculate the cable size depending on the transformer rating

2 Answers  

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