why neutral and earth should not be connected on 3 phase 440v/50c/s supply at consumer side. where as on 25kv/ac/50c/s railway traction substation neutral and earth will be connected and track at substation. and track will act as neutral and earth. Reasons for this is needed urgently

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what is circuit breaker in transfomer and where it used

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What is the diffrence between an ELCB(earth leakage circuit breaker) and RCCB(residual current circuit breaker)?which has higher degree of safety and why?

2 Answers  

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how does PLCC work?...

1 Answers  

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Between AC generator(alternator) and DC generator which can be designed for high voltage and why?

1 Answers  

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How to calculate busbar size & what is the procedure we make for determine that?

35 Answers   Auko Tex, Integra, PowerTech, Shadhin Group,

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hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

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why stay insulator is not used with stay wire for 11kv Lines. Whereas it is used for LT lines ?

2 Answers   Essar,

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can transformer develop three phase poer from a single phase source?

2 Answers  

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direction of tarbine& genrator

0 Answers   Sandvik,

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state the working of discharge lamp?

0 Answers  

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Material commonly used in making transformer core is A cast iron B mild steel C high silicom steel D high carbon steel

1 Answers  

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