Answer / mr.cool

its J.B gupta

what is blocking diode and what is the use of it in tne control circuit.Pls Explain it.

1 Answers  

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Will The Rated Capacity of 20 MVA ,220/6.6 KV, ONAN cooling Power Tranformer be increased up to 25 MVA with respect to its %Impedence by ONAF cooling with same rating..?

2 Answers   Ambuja,

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why grid failure happens?

1 Answers  

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3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

0 Answers  

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In Which vector group power transformers are mostly manufactured?

1 Answers   MRF,

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WHAT IS THE DIFFERENT BETWEEN MCB & MPCB? & HOW IS USE?

3 Answers   Gandour,

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What is Tachometer used to measure?

0 Answers   Blue Star,

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Transmission lines usually use a.3 phase b.2 phase c. Single phase

1 Answers   K Tech Electrical,

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what are the types of starter ?

25 Answers   Andhra Sugars, Bhel, Eveready, HyFun Foods, Jindal, ME, Valeo Lighting Systems India Private Limited,

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What is mean by powerfactor. What is the difference between leading and lagging power factor?

2 Answers   HCL,

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would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?

0 Answers  

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A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

0 Answers   Ispat, Red Bull,

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