what is the chemical reaction of solt and charcoal in earthing?

1 Answers   Shyam Group,

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Which standard we are following earthing resistance test

0 Answers  

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what is power plant?

2 Answers  

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how to detect the presence of underground cable(while digging road)etc. -give the name of instrument

7 Answers   NTPC,

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Why transformer ratings in KVA not in KW?

6 Answers   ABB,

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we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.

3 Answers  

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The readings with a Multi meter are 15 Amps Phase Neutral 192,Phase Earth 194 and Neutral Earth 24 5 Amps Phase neutral 192, Phase Earth 153, neutral Earth 48

1 Answers  

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Why dc voltage used to excite alternator field in stead of ac?

4 Answers  

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How many types of faults are there in 3 phase power system?

0 Answers  

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What is plugging as applied to an induction motor?

3 Answers  

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in an ac series circuit there are 30 bulbs are connected in a serial set.what will happen if one bulb is fused and we removed the bulb and reconnect with the remaining bulbs? (29 bulbs). will the brightness of other bulbs increase or not?

3 Answers  

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what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.

0 Answers  

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