the single phase voltage is 230 volts and threee phase is 430 v.why three phase is not 660 v?

2 Answers  

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What is difference b/w fuse and breaker?

3 Answers   Jindal,

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Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

0 Answers   WCC,

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what is mean by hvdc transmission technology .what is principle of hvdc transmission and technic of hvddc transmission .

1 Answers  

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Vibromotor 252MV 1/4HP2P..what is mean by 252MV?

0 Answers  

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in a dc shunt motor what happens if motor takes high current,no speed

2 Answers  

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3-PHASE 15KVA dg IS EQUIVALENT TO 12 KW,hOW?

2 Answers   TATA,

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Suppose am having the PF value .8, so how can we say that is it lagging or leading?

11 Answers   Bhel,

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Can we see the poles in the motor?. if yes then how can we see plz tel me

2 Answers   MRF,

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How to select earthing strip for 100kw induction motor ?

2 Answers  

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What is power factor?

3 Answers   L&T,

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How we can differniate the overhead lines feeded by hydro power stations & thermal power stations

1 Answers  

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