Answer Posted / hemalatha

earthing point where you checked may not be perfect.

What are the uses of lead compensator?

1188

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I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

1683

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WHAT IS START TO INDUCTION MOTER IN STAR TO DELTA OF >5HP ?

1878

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Define load factor?

1124

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How to do stting of vl250 siemens MCCB

2963

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technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"

1994

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Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.

2145

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Can you explain about Restricited earth fault protection scheme

1854

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what is the relative size of single and three phase?

1893

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How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

2098

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in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}

2860

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Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

3964

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How grounding is different than earthings?

1166

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what is the working process of over & under voltage relay.

2228

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what are the assumptions made in swineburne's test?

2175

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