america 60hz electric supply is used; but india it is 50hz; why? and if we use 60 hz supply what changeg has to be done or all the equipment has to be thrown which has rating of 50hz frequincy

1 Answers  

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why dose not transformer not rotate ?

3 Answers  

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What is the meaning of STAR POINT? Why this important in CT and VT?

2 Answers   L&T,

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What is current & voltage ? Voltage perform at any load without current or not?

0 Answers  

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hello... i am preparing for GET. please send me previous papers..

1 Answers  

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a induction motar has 30-35% exciting current at no load but in transformer it is only 2-3% ofbrated current why any reason?

1 Answers   century,

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the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

6 Answers  

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Diffrectiate between earthing and neutral

6 Answers   TATA,

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what is ten delta test? what is the significanse of it

1 Answers  

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How to select the cable and voltage drop in circuit?

0 Answers   DEWA,

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We have 2 no. 4MW DG set. and GEB supply. But, we running, only 1 DG set. when we done APFC/Power factor setting : 0.90, then winding temp. Low. but when setting done : 0.83, then Winding temp. increase. WHY Why ? ? ?, plz give me answer.

4 Answers  

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Any one can explaination about calibration with rotating sub standards?

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