is it necessary for 200 kva transformer to have marshaling box and cu plate earthing for neutral

1 Answers   Blue Star,

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3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

0 Answers  

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What is the different between Insulator & Di-electrict?

2 Answers  

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what is the formulae for calculating the cable size for a given voltage and current.

4 Answers   Bharat Forge,

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Pls tell me what is the exact current conducting capacity of copper and aluminium cables?how much capacity of cables need to 90kw induction motor&how?

1 Answers  

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How to solve the problem of low voltage at consumer end in distribution system if one phase come low voltage of transformer

1 Answers   ABB,

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WHY HVDC?

3 Answers  

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in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

0 Answers  

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what is the earthing condition between earth & phase.

3 Answers   ABB,

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what is difference b/w earth and ground?

7 Answers   TATA, TCS,

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

0 Answers   Bajaj,

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which signal we found accurate reading of analog signal or degital signal and why?

1 Answers  

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