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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We are getting supply at33kvand it stepdown to 11kv.So Our requirement is 11kv voltage.why we draw 33kv from the grid instead of 11kv?

2 Answers   Birla,

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how dc generator produce voltage initially?

1 Answers   Bisleri,

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what are the different types and applications of compressors?

1 Answers  

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Electrical Design specifications

1 Answers   Sabic,

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How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

0 Answers  

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what are all types of cross section in AC cables?

0 Answers  

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what is advantage of providing taping on HT side?

4 Answers  

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2. If 8.35%Z means the percentage impedance of 132/11kV transformer self,will like to reconfirm the percentage impedance that is supplied from power company?

2 Answers  

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Please specify the parts of VCB&ACB

1 Answers  

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Reason of secondary of ct always short

5 Answers   ANITS, EID Parry,

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Will a load of 15A work if we connect it between one phase and earth?

4 Answers  

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