Answer / deep

to dry the surface and earthing purpose.

Answer / abhishek goyal

It reduce the dryness of surface inside soil so earthing
will be less than 1ohm. It will also good for insulation at
transformer yard, if some one work on it during the raining
season.

Answer / ramiz raza

to reduce the step potential and touch potential.....in short for protection against shock...

Answer / srinivas

The main purpose is easy to findout oil leaks in transformer and avoid useless plants on the surroundings and also increase the dryness in rainey season.

The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

0 Answers  

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How to calcualte 1unit of current consumption?

3 Answers   Bhushan Power Steel, ITC Infotech,

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In power point wiring,often,we use less size of earth wire compared to phase & neutral wire and we use big size pin in pug top. how is it justified? can we use small size cable for earthing?

3 Answers   HAL,

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Maintenance of transformer???

0 Answers   Adani,

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Why the steam turbines are run at high speed where as the hydro turbines are run at low speed?

1 Answers  

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Why we not use the impedance relay in protection of short transmission line ?

4 Answers  

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why the impedence of the transformer is expressed in percentage?

3 Answers   DEWA,

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why the all high voltage transformers are in 11kv , 33kv , 66kv, 132kv like that

2 Answers   Bhel,

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what are the safety measures of induction motor?

3 Answers  

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how to reduce the co level in your 1000kva dg set side?

1 Answers   Cognizant,

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why we have and use 3 phase not 2 or 4 or other in power system?

0 Answers  

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tell how current tranfomer works

2 Answers  

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