why the Current transformers secodary is shorted to ground (In metering and Protection)

2 Answers  

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What is meant by line losses, how do you prevent the losses?

3 Answers  

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how does PLCC work?...

1 Answers  

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in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?

0 Answers  

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What is power focter ?

6 Answers  

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What is neutral and how to produced

1 Answers   L&T,

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If the maximum demand is 120 KVA in a building, then what is the Current taken according to load given ? Formula for it ?

3 Answers  

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What is triac?

3 Answers   NTPC,

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1.what type of wave is produced from i.online ups ii.offline ups iii.inverter.why don't we use inverter instant of offline ups for computer,what's the reason?

2 Answers  

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What is the difference in Line PT & Bus PT.

3 Answers   Bhel,

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What is relation b/w Transmission Lines & Communication Lines ?

2 Answers  

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1.What is effect of capitance in transmission line? 2. After raising the voltage at receiving end what will be happen? 3.how we nullify or control the raised voltage at receiving end?

3 Answers   NTPC,

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