how the vaccum ckt breaker workes..? how the arc is quenching in it?

1 Answers  

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21. What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing? 22. What are the protections to be used for Generator? 23. Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0 24. What happens when the polarity changes in CT? Explain briefly? 25. Explain the Term in CT Name Plate – Class: 5P10

3 Answers  

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how does the power is travelled in conductor

2 Answers  

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why indian power system having 11.22,33 KV ???

6 Answers   Titan,

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What is CBCT ,why and whereit is used?

2 Answers  

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What difference between voltage and current

5 Answers  

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What is auto reclose system in Circuit breakers

1 Answers  

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what is the difference between isolation and insolation ? please explain in detail with example.

5 Answers   ABB,

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actually i can't understand what is 3dB ? and it's really not clear to me.please any one let it me be cleared.

0 Answers  

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what is the diff. b/w restricted earth fault relay & standby earthfault relay and where they are used?

4 Answers   KSK Energy, Reliance,

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what is meant by tranformer impedance?

0 Answers   Synergy,

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what is the current generated in a 230v megger?

2 Answers  

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