Answer / m.r.vijayaraghavan

to self discharge before taking up maintenance work,otherwise you have to manually discharge the charge.

what are the functions of power modulator?

4 Answers  

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What is hipot test procedure?

0 Answers   CCC,

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why we are using DC supply for all protection relays, why cant we use AC supply..???

1 Answers  

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Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.

0 Answers   NHPC,

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what is the difference in MCB, MCCB, RCCB, ELCB, & MPCB (motor protection circuit bracker)

12 Answers   Afcons, Bhel, CIHSR, DCS, IOCL, L&T, Lupin, Siemens,

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If 110V DC Coil Contactor taken 15ma DC on load,than how much AC current wil be taken?

0 Answers   Lafarge, Shree Cement,

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Why do we will ground the positive terminal in electrostatic precipitator

1 Answers   JSW,

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what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.

0 Answers   DVC,

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What is the criteria in selecting Air circuit breaker(ACB) & Moulded case circuit breaker(MCCB) for a particular range?

3 Answers   DLF,

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the voltage per turn of a primary winding of a transformer is the same as the voltage per turn of the secondary winding of the transformer. why?

8 Answers  

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how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test.

1 Answers   CPCL,

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why CT out put is 5 what ever the primary current.

2 Answers  

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