Answer / farzan danish

earthing resistanc should must be less than 1 ohm

Answer / nithya

generally electricl resisitance should be a 2 ohms. suppose
u are in a building the individual ohm is 1.2 ohm. and group
should be a 0.8 ohm.

which winding aply in an alternator?

3 Answers  

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what happens to the supply voltage if there is any change in frequency?

1 Answers   Gridco,

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We are installing a 1.6 MVA transformer at our crusher plant and the feeder of HPSEBL is 2 km away at substaion . and a VCB is installed in the substaion which is 2 km away from transformer so we need another VCB near the transformer.

2 Answers   SCPL,

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for flour light (garden light) how much deep need to put 222ov 0

1 Answers   Anantara Hotels,

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What is load staggering or load shifting in the context of power distribution?

1 Answers  

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Natural frequency of a system gives... 1) nature of transient 2) overshoot 3) oscillations 4) speed of response

1 Answers   CCP,

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Explain how Hormonics will effect the Electrical System?

5 Answers  

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how single phase preventer works ?

0 Answers  

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What is PCCB?

3 Answers   ICEL, Schneider,

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why power factor laggs and leads in case of inductance and capacitance??

1 Answers  

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Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?

0 Answers  

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out of all machines which have highest efficiency and why?

2 Answers  

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