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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DG use Rating KVA why

1 Answers  

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in 33kv/11kv stepdown t/f why should we use Star point

2 Answers  

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what will hapen if we give ac supply to dc motor?

2 Answers  

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In aircraft,why we use 400 htz equipment.and use common earthing

1 Answers  

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What is the impact of MCCB & MPCB on Distributed Control System?

6 Answers  

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How may I enrol or get admission to your program?

0 Answers  

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What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning

0 Answers  

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in the case of 6.6kv motor starter combination contain fuses on it VCB. but in 11KV motor starter combination Fuses are not using in it's VCB why?

0 Answers  

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what is use of capacitor in fan

8 Answers   ABB,

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sir please send me techinical questions for junior engineer posting in bangalore railway i am diploma holder

0 Answers   RRB,

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what is negative current?

5 Answers   DTG, Siemens,

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