Answer Posted / velusamy

THE PURPOSE OF PROVIDING STAR CONNECTION IS 1.DEPENDING ON
THE DESIGN REQUIREMENT OF EQUIPMENT 2.TO PROVIDE PROTECTION
AGAINST DIFFERENTIAL

what is a synchronizing lamp ?

1523

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my diploma certificate in my higher education college

1569

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Why the power generated in dams is complex power? Why the generators in dams cannot produce Real power directly (i.e power which has zero reactive part)?

1723

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What is the principal of motor?

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1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

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how to store the thunder power?

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8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......

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What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?

1796

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we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor

1398

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Why need 3phase machine double earthing?

1720

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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

3896

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What is the working principle of servo motor? And explain it.

1874

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i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.

1881

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what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that

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how to carried out DAR test in 11 KV Alternator ?

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