why the secondary winding of the transformer is not open circuited ?

5 Answers   Nepal Electricity Authority, Torrent Pharma,

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what composit error,ratio error,phase error in CT and PT??

4 Answers  

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how we can calculate LT side current of transformer

2 Answers   L&T,

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What is the standard height of installation of Socket & switch from Finish Floor Level as per the IEC/IS Rules?

1 Answers  

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how to calculate the current carrying capacity of a 25 & 16 kva distribution transformer.

2 Answers  

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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

0 Answers  

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why we not use capcitor in Three phase motor ??

2 Answers   GOMS, Power Electronics,

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What is majour reason of Electrical Arcing ?

9 Answers   ABB,

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A 4-Pole D.C. Generator has a speed of 1500r.p.m. Then what will be the frequency of D.C. Generator ?

9 Answers   IBM,

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what type of motor is used in washing machine

8 Answers  

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In all the generators, the excitation supply is DC. What is the significance of DC excitation? What will happen if AC supply is given as excitation supply?

8 Answers  

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which is more dangerous A.c or D.C?

26 Answers  

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