Answer / m.gopinath

In terms of air pressure(ie in kg/square cm) it is building-
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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

1 Answers  

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In a d.c circuit, if current and resistance are known, power (P=I*I*R) can be determined. This relationship also applied to an a.c circuit. Comment the reason for this.

3 Answers  

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explain comutator action in detail.thanks

1 Answers  

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need help, please can someone tell me how can i calculate the main breaker and branches breakers to distribution panels (MDB) depending on the load ampere .. i really need it but can't find any site >>

3 Answers  

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if an induction motor is operated at unity power factor what will happen? will motor run or not? kindly describe a logical answer?

2 Answers  

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EXPLAIN THE TRANSFORMER MAINTENANCE?

1 Answers   Enercon, ERT, GEL,

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i want wipro vlsi placement pattern please send me

1 Answers  

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why D.C excitation is given to sunchronous motor?

6 Answers  

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checklist of ELCB

1 Answers   EECE,

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Based on what the rating of machines are provided??(ANswer should in single word)

19 Answers   Asian Paints, Bhel,

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What is effect of harmonic current (Draw by VFD) on power system/ electrical Equipments ?

1 Answers  

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How multimeter shows phase to phase voltage 440V & phase to neutral 220V.

2 Answers  

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