Post possible questions for Power Factor Panel FAT / SAT

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How each of the following losses occur in d.c machines (i) copper (2)core (3) windage (4)friction please help me

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I have done my m.tech in electrical engg discipline. Can any one please suggest me how should I prepare for getting into phd in iit or nit.How should I prepare for getting into lecturership

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what is meant by residual over voltage & residual earth fault ?

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what is transformer?

4 Answers   Mphasis,

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in trains i have seen the terminal which is connected at the top of the train is positive .where is negative ? track? i dont think so

9 Answers  

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What is mean by staling?

2 Answers   UPPCL,

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what is ring system ?

3 Answers   Bhel, Sabic,

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WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

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My requirement is 1VA,50/5A Current Transformer for Metering .If I select 15VA , 50/5A CT.Is there any possibility of Technical Problem ?

6 Answers  

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why t/f are rated in kva. is it conserned with p.f.

3 Answers  

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Is VVVFD reduced the starting current of an induction motor?

1 Answers  

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