why delta delta connection generally not use in transformer

4 Answers   Lanco,

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what should be distance between phase to phase in 415v system?

1 Answers   NTPC,

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Why you are switching off arc protection mcb when you are taking shutdown for lv board.

0 Answers   KSEB, L&T, Siemens,

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How we detect the leakage current of 11 KV H.T. motors and waht is the maximim limit?

3 Answers   Ambuja, Pristine,

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Which is the best protection in case of shortcircut fuses or mccb ?

2 Answers  

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5MVA TRANSFORMER SUDDENLY FAIL WITH THE PRV TRIPPING AND LARGE AMOUNT OF OIL SPREAD OUT? SO IT CAME BACK WITH THE REPAIRING WITH REASON THAT IT FAILS BCOZ OF TRANSIENT EFFECT? SO PLZ EXPLAIN HOW DOES IT HAPPENED?

1 Answers  

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what is the basic paramter to set a electric drive

1 Answers   Alpha,

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why do mostly prefer to generate and distribute electricity in 3 phase..not in 4 phase or 5 phase.??

5 Answers   BSBK, IOCL, NTPC,

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Which type starter is used for synchronous motor?

2 Answers   Equate,

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sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

0 Answers   HPCL,

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why there is spacing between two rails in railway?

3 Answers   DS Group, RRB,

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1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

0 Answers   L&T,

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