What is the Working principle of ELCB and RCCB?

1 Answers   Geo Miler, L&T,

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in ceiling fan and table fan what is the rotating part and what is the stationary part?

5 Answers  

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what is rated speed?

4 Answers   Actavis,

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what is reactive and active power?why we need power factor correction?

2 Answers  

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Alternators are invariably star connected why?

4 Answers  

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Define liftable weight of a transformer? Does the total weight of transformer include oil weight?

0 Answers  

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what is the principle of operation of tungstun bulb ??

0 Answers  

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What is the meaning of Insulation H for transformers????

0 Answers  

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why transmission line towers are longer than communication line towers?

3 Answers  

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What is Exact meaning for Full load Efficiency and Maximum Efficiency of Transformer? Is there any Difference between? If yes ,please provide with formulae?

2 Answers   Techno Labs,

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How do we calculate over and under frequency tolerance from generator data?

0 Answers   DPS,

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How much earthing require for h.t.22 k.v. cable in coming side & out going & 22 lighting arrest or,22 k.v.D.o. & A.B. switch.

1 Answers  

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