How to run 1ph motor(230 VOLTS its full load amps is 4.5 ampa))with 480 volts main(we didn hav neutral)Thn we go for step down transformer.Our load 10 amps,so we conisder this amps in primary are secondary side?

1 Answers  

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how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???

0 Answers  

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why names such like dog ,rabbit, osprey,ant are used for conductors.

1 Answers  

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What is meant by coupling capacitor?

0 Answers  

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why we use 110vac in overhead crains? why not 220v, 24v

3 Answers   SOFT,

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What core magnetic balance test of transformer? How to do this test in a three phase Star delta (star-LV, Delta-HV) transformer? How to measure and where to measure? thanks and regards Austin

22 Answers   Neutech, Power Grid, TSSPDCL,

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plz tell me about for how many rating (for 500kva)how much current taken?

13 Answers  

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what is dry and wet frequency withstand voltage? why & where it is used??

0 Answers  

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why stay insulator is not used with stay wire for 11kv Lines. Whereas it is used for LT lines ?

2 Answers   Essar,

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defination of reactor

3 Answers  

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What are differences between Conventional & Addressable type smoke detectors?

1 Answers  

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How to calculate earth wire load by formula

0 Answers   Caparo,

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