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Why does the phase voltage of two healthy phases become equal to the line voltage in case of an ungrounded neutral 3 phase star connected sytem when a single line to ground fault occurs ?

2 Answers  

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why we use salt for earthing?

1 Answers  

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Is there is any hazard to insulation of 3hp motor 5 KV megger is used for it?

1 Answers  

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What is transformation ratio what it describes?

0 Answers   Cushman Wakefield,

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if we convert kw into Ampers,which one formula use by us,pls tell me?

9 Answers   ABB, Essar,

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How two nos. 130 kw D.C motor get synchronise using D.C drive.

0 Answers  

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Can anybody explain me the electrical circuit of indian railways to drive electrical engines(LOCOMOTIVES)? How does overhead lines work in the circuit to drive different trains on the same track?

1 Answers  

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why did youi choose this career?

0 Answers   KTB, ONGC,

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why the efficiency of the dc machine is high ,when it is operated as a generator?

3 Answers  

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I have 380.KVA Volva Penta DG set. Tell me how to calculate units from KWH reading....

3 Answers  

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What do you mean by an instrument transformer?

0 Answers  

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Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?

0 Answers  

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