how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment

0 Answers  

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how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?

0 Answers  

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What happens when DC supply is given to transformer

4 Answers   CESC, IBM,

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what is phase to phase voltage? what is line to line voltage

46 Answers   Exmar, HBL Power Systems,

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why the transformers are rated in kv not kw?

6 Answers   L&T,

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Why the power generated in dams is complex power? Why the generators in dams cannot produce Real power directly (i.e power which has zero reactive part)?

0 Answers  

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Is 3C x 2.5 Sqmm Cable can withstand 40Amp Starting current? If Yes then specify your ans.

2 Answers   NTPC,

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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.

18 Answers   Eaton, Siemens,

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what is the use of Antipumping in HT breakers.

9 Answers  

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how to testing the AC 3 phase motor? and what is the test procedure & kits required for testing?

3 Answers  

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Why generator is not connecting in delta ..why connecting in star ?

4 Answers   Bhel, Foretec Engineers,

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Differance between power circuit and control circuit

3 Answers  

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