Answer / ashrujeet banerjee

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Why the wave trap is put in Y phse only in switchyard?why not in other phases?

1 Answers  

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We know that, in case if there is a faulty insulation,or sc, the current is bypassed to earth through the earth wire that has low resistance.Actually, what will happen to that current that flows through gnd?In that case,if we come in contact with that faulty appliance, wont that current flow through us as we form a closed path by standing in gnd?Is grounding a safety measure?

3 Answers  

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How Calculet The UPS AH In Load

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if the field circuit of a d.c. shunt motor running without load gets opened, then the motor will

3 Answers  

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What does ampere turns shows?

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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

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what is the advantage of using 3 phase line rather than using 2 phase line?

2 Answers   Havells,

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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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why there using acb enclosure in big buildings

0 Answers   Tata Power,

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What is emperical relation.Name few of them which are used in electriacl engineering?

1 Answers  

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why we are calculating the capacitance between phase(conductor line)and ground in transmission line?why cant we calculate capacitance between the phase and the nuetral line?if so what is procedure.

1 Answers   Mytrah Energy,

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what is per unit impedance?

3 Answers  

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