what is the diff between mcb and vcb

3 Answers  

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Can anyone send details regarding motor protection relays ? their manuals please ?

1 Answers  

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i) in which cases should we go for neutral and where should we go for ground? ii) in domestic supply we are getting 230v a.c.and what is the amount of current?

2 Answers  

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what happen if steam turbine trip,g.c.b not open and excitation off and on condition?

1 Answers  

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ROC converges if pole and zero lies inside a) origin b) z=1 c) pole d) zero ? Explanation please? if ROC does not converges then?

0 Answers   CCP,

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Can i get some examples of mechanical devices?

1 Answers  

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How we can defined theecopper cable size if we know the aluminium cable size?

0 Answers   Cummins,

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I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

0 Answers  

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how to check three phase motor torque value?

0 Answers   Apollo,

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11 kv metering is done in my factory.Meter show PF 1.000 but kvarh lag&lead show 24&94 respectively & Avg.PF is .956 .? is what i do for inproove my PF to 1.000

3 Answers  

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How can we save electrical cost i.e switchgear, wiring, conduiting etc in a room?

1 Answers  

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why we not used 11kva as a direct our electrnics component.

0 Answers  

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