what is the static device rather than xmer which work on same principle as xmer?

18 Answers   NTPC, Power Grid,

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what is the mho relay

3 Answers  

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why the AC or DC motor takes high starting current?

2 Answers  

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i) in which cases should we go for neutral and where should we go for ground? ii) in domestic supply we are getting 230v a.c.and what is the amount of current?

2 Answers  

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During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

7 Answers   ABB, SDBL,

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What is the difference between the watt hour meter and Var hour meter in terms of internal connection and work theory . ie "When the meter records watt-hour an when the meter records var hours ??"

13 Answers  

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what is the value of current as well as voltage upto which we will not feel shock and why?

3 Answers  

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The power factor of the fixed load is 0.8, now the p.f is varying from 0.8 to 0.5.

0 Answers  

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Why electric traction is used ??

3 Answers   IOCL,

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Why the efficiency of generator is more than motor in swinburne's test

0 Answers  

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How to test IR testing & magnetic balance test

0 Answers  

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what is effect of leading power facter on the system and billing

0 Answers   TATA,

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