what is the safe meggar values for motor, transformer HT, LT and Cables?

12 Answers   IOCL, Jindal, TATA,

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what is recommended breakdown voltage of transformer oil?

5 Answers  

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What is Exitation voltage and Exitation current? What is the function of these in Alternator?

2 Answers   TC, Tisco,

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how to avoid Saturation in C.T?

0 Answers  

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

0 Answers  

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why there is a temperature rise at different metal to metal contact at cable lug??suppose cable is aluminium and the lug is copper,than why the temperature rise takes place??

2 Answers   JK Cement,

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In hydro plant,generally we install vertical hydro generators..why dont we recommend horizontal one??

1 Answers   Alstom,

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how to reduce the initial starting amps which is equal to the running load amps

3 Answers  

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what type of motor is used in fan

6 Answers  

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what is the generating transformer?

3 Answers  

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what is sf6 where it is use & working or function ?

5 Answers  

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Why synchronous motor runs at a fixed speed? what is the name of that fixed speed?

4 Answers  

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