why we are using earth pit in sub stations.?

0 Answers  

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"What is the difference between voltage and potential differnce?"

15 Answers  

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from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

0 Answers   ABB, HPCL,

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What is oil temprature with A/T contacts in Transformer ?

1 Answers  

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What is the difference between power,voltage,current? and with example

3 Answers  

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why breaker closing coil gets burnt if supply is continously provided to it.

1 Answers   TATA,

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How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

0 Answers   Dhanam Enterprises,

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how long will take to burst/damage for a CT when secondary in open condition? Experienced: During switchgear testing(Primary current injection test) some of the CT are in open condition, but nothing happen's why?

1 Answers  

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what are lightning masts?what is their purpose???

1 Answers   Mecon,

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A 100 KW GENERATOR , only 50 kw load is connected then how much power generated by generator

3 Answers  

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what is the saturation point of crgo lamination.

0 Answers  

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draw tube light circuit

0 Answers   Badve, KPTL,

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