what is the difference between earth and unearth cable?

1 Answers   Essar,

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How we find the size of cable if we know the current

2 Answers   Gemscab,

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Draw transformer phasor diagram.(full load,no load)

0 Answers   PowerTech, Trine,

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Why inverter rating in KVA?

3 Answers  

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Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

0 Answers   IOCL,

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how r charge carriers produced

0 Answers  

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Compare jfet’s and mosfet’s.

0 Answers  

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in the exciter the power is feeded from battry or control or whatever.and we need it in the generators for the stating . do we need it in the shutdown also?i mean the exciter>

2 Answers   Shell,

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how the testing of CT OF 400/200/100 done in33/11 kv s/s

1 Answers   Reliance,

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is it possible to export & import power in a same transformer.how

2 Answers  

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What is the Current equation in series RLC circuits.

0 Answers   ABB, Bhel,

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Why 3 over-current and 1 earth fault relay is used on primary side of transformer? Why 2 over-current and 1 earth fault relay in used on secondary side of transformer?

1 Answers   Adani,

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