In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

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what is the difference between skin effect

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What's mean HVF & HAF in Vacuum Circuit Breaker?

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flow transmitter formula?

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Fantio of tranformer

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How to calculate quantity of cement , sand and granite from concrete mix ratio and volume of work

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Please send the Sundar TVS Motors placement papers to this mail id.

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I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.

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how many types of jacks

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Describe how to use megger to measure the earth resistance and insulation resistance

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How to select the gauge of wire for winding of motors? How to select number of turns for winding of three phase induction motor?

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Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.

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how to interlock 3 incomer-ACB,1 buscoupler ACB,... pls answer this question and if possible send me the ckt diagram..haifriends2910@gmail.com

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Why boiler chimney area  oxyden sensor fixing? 

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what is the rpm of Turbocharger of Cummins KTA50G3 Diesel Engine?/ Normally What is the rpm of Turbocharger for any 1 MW Engine?

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