when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

0 Answers  

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We use ACB in LT and VCB in HT.But if we use VCB in LT and ACB in HT that what will be the effect on the system or any power range?

6 Answers   Honda,

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What should be the voltage between neutral and earth of a UPS?

4 Answers  

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how hydrogen cooled alternator undergo maintanence ? that is hydrogen when come in contact with air can result into explosions .

0 Answers   DVC,

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An AC Motor to give DC supply what happen the motor.whats the problem are create.

2 Answers  

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WHAT IS THE MEANING OG (li = 7 In)

0 Answers  

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If increased the frequency up to 1000 then what changes shows in voltage?

0 Answers  

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how to combine two linear transformers...............

1 Answers  

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how oltc works in rectiformers of higher rating (27 mva,200v dc,120kamps) please provide me full information with diaggram.

0 Answers  

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what is the main parts of transformer? how it is functioning? pls giv the ans briefly.

0 Answers  

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What happen to generator if i have unbalanced load?

0 Answers   Reliance Energy, Sail, TCS,

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What is the comparision (advantages / disadvantages) of 110V, 60 Hz system to 230 V, 50 Hz system.

2 Answers  

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