WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION?

5 Answers   L&T,

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how electrical earthing maintenance done in industry?

0 Answers   L&T,

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what are the types of Distribution transformer vector group please explain

7 Answers  

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when the motor was star position that is running ok but when the motor was delta it was tripped? why?

5 Answers   Nimbus, SEL Manufacturing,

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I have a 1000 kVA Transformer(11kV/0.415kV) and a APFC panel of 400 kVAR(LT).Now if i want to remove the LT APFC panel and install a HT(11kV) APFC panel on the HT side is the HT APFC panel will work same as the LT APFC panel(improve the power factor),if yes what will be rating of the HT APFC panel?what is the formula to calculate HT APFC panel rating???

2 Answers  

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Why electric traction is used ??

3 Answers   IOCL,

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What do you mean by turns ratio of instrument transformer?

0 Answers  

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Acually generator neutral is earthed,if suppose cable from neutral is brokened under theearth ,what will happen.

2 Answers   L&T,

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Why we generate power at multiple of 11 i.e 11kv,33kv etc.

9 Answers   DTV Solutions, Havells, TCS,

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What is the full form of AND,OR and other logic gates

7 Answers  

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How to discharge the battery as quickly as possible ?

1 Answers  

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Which oil is used in Transformer?

6 Answers  

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