what is meant by line voltage and phase voltage in a three phase transformer?

2 Answers  

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pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..

0 Answers  

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what is unbalanced rotating magnetic field?

1 Answers  

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What happens to voltage when current through the inductor is constant?

0 Answers  

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1) Why distributiion system decided 11 kv, 33 kv, 66 kv, 132 kv, 220 kv, 400 kv, 2) In 3 Phase line terminal of capacitor, why used for power factor improvement. 3) Why used rating KVA in transformer?

1 Answers  

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Hello, I am just preparing my self for a university interview and struck on the 11kv ring main unit system network. I just know that ring main unit has total three breakers, fuses and use to supply a power to any load/ building without any interrupt. But i am not be able to visualize the connections, either Ring main unit getting power from two different power sources? or there is always one feeder in complete ring circuit??? I would be highly thanks full of you help me.

1 Answers  

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why should the primary of transformer be connected in delta in a heat run test?

0 Answers   Bhel,

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where used of HVDS system.

3 Answers  

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why the measure taken in multiplication factor of 11for voltage like.. 110V,220V,440V,1.1KV,6.6KV,11KV,33KV,66KV,110KV,132KV,220KV

1 Answers   Vijai Electricals,

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Why we use CT on differant phases of 2ph.PT detection for brush-less static excitation of 3ph.,400v Synchronous Generator? What happen if use CT on same one of VT phase?

2 Answers   Hydropower,

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ow can i get certificate of competency as electrical supervisor and my diploma in electrical engineering from jalgaon.

0 Answers   ONGC,

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Why is it that variation allowed in supply voltage to motors is (+ or -)10 %, whereas that in frequency is (+ or - )5 %

3 Answers  

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