What are the types of earthing? Explain dagramatically.

3 Answers   Siemens,

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please mention the minimum IR value for different voltage systems

6 Answers  

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I have a 600VA numeriv digital UPS for computer only. It holds for 15 minutes only. but i am try to using home CFL Light I cant using UPS 2 or 3 secound automatic off .but computer ok how to change this is in to ups ?

1 Answers  

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how freewheeling diode improves the powerfactor

0 Answers  

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what the main difference of the 3 phase and 2 phase power supply??

3 Answers  

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HRC full from

6 Answers  

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over frequency is the protection of turbine or alternator?

2 Answers  

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why using transformer and thyristor switch in 3 phase apfc panel

0 Answers   Reliance,

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State the points to be considered for selecting a particular type wiring.

0 Answers  

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How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

0 Answers   ABB,

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If the soil resistivity is more large, how can we earthing our 11 k.v. transmission line?

2 Answers  

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in power station power measuring unit is KW but in transformer is KVA why?

4 Answers  

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