Formula to calculate amps rating when we are having only the width & thickness of the coppper ?

2 Answers   BEL,

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what is the working of vfd drives.

2 Answers  

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What is Surge Capacitor? Why it is use in Generator Circuit Breaker?

0 Answers   TCS,

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What is Scheme Test of High Voltage Switchgear. Which tests it includes.

0 Answers   Siemens,

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what is full form of lv and mv? 2.while we connect capacitor to generator what will cause for it?

4 Answers   ABB, Wireman,

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why generally transformer are in star to delta

3 Answers  

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1.how many types of relays? 2.difference between ATS& STS?

0 Answers   L&T,

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in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.

7 Answers  

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What do you mean by class of CTs and what is the meaning of cl 1.0, cl5P10, cl 10P10 CTs?

3 Answers  

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Why is our voltage always seems to be 3.3Kv,11Kv,66Kvetc.. why not 40Kv,39Kv,65Kv???

3 Answers  

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What will happen if i connect two 3-phase tranformers secondary supply on one bus bar that is R-Y-B-N?

2 Answers   GMR,

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what is the synchronous timer ? and it applications.

0 Answers   CPCL,

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