what is the importance of earthing system on the generators big capacity and small?

0 Answers  

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Dear All, Can anybody please tell me which value(saturated or unsaturated) of sub-transient reactance(Xd") we take for the calculation of fault current of the system?

2 Answers  

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pf of synchronius motor is unity, is it axact(=one) value. ?

1 Answers  

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What is the difference between an insulator and a dielectric?

2 Answers  

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Instead of single phase(220), if we apply Phase to phase (R&Y)supply (eg: for lighting fixture). what will be the power formula?

1 Answers  

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Why distribution transformer secondary voltage is 0.433kV instead of 0.415kV.all other switchgear rating are 415 volt??

3 Answers  

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what type circuit breaker is suitable for connecting 1000A load VCb,Mccb?

5 Answers   Gridco,

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what is Over current, earth fault (O/C+E/F) ?

2 Answers  

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Why the isolation treasforfer are connected at out put of the ups ig 200kva ??????????????????

3 Answers  

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Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com

0 Answers  

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what is the difference between changer, converter and transformer?

0 Answers  

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ouestion for the post of section engineer

1 Answers   BSNL, RRB,

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