Comparision of Air break circuit breaker, SF6 Circuit breaker and vacuum circuit breaker.

0 Answers   Reliance,

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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What are the transformer losses?

0 Answers  

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Why DG self motor winding burnt out?

1 Answers   Aegis,

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what is meant by negative conductor?

2 Answers  

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what is ground fault current? is there any current flow takes place through ground? is it possible? if it's possible whether it affect human beings on earth near the fault or not?

2 Answers  

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What is Electrical Engineering?

13 Answers   L&T, NTPC, Wockhardt,

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i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.

0 Answers  

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How will you explain transformer action in case of 3-phase induction motor?

4 Answers  

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Why carbon brushes are used in motors?

6 Answers   BARC,

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What is the drawback of class b amplifier? How is this minimized?

0 Answers  

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If NO contact of relay gets supply from other sources or other part of circuit and at a time relay coil activates,then current will flow in which direction & will it cause to damage relay??

1 Answers  

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