what are the application of over current relay?

2 Answers  

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If Earthing is poor in a DB of of Residential Building, will residents feel a leakage voltage in a Electrical Ssytem? is this statement true?

1 Answers   Dolphin International,

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what are the specifications for Dc cables of higher rating

1 Answers   Reliance,

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what are the effects on an power plant and consumers if the power factor is increased or decreased?

2 Answers  

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what is main reason for grid earthing for any industry

4 Answers  

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how much importance of power factor in single phase. is it,s importance is quiet same as like three phase power system.

1 Answers  

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what would happen if u assume to insulate all the overhead lines and no insulators....??do you think it to b an advantag or a disadvantage??justify.

3 Answers  

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if u have single phase load (un balance) and the main power cable is 3.5core means netural is .5 of phase and can the three phase current make the return paht in .5 neutral.

1 Answers  

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only some transformers and some generator requires NGR why?

1 Answers  

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What is working principle of washing machine?

9 Answers   IBPA, Samsung,

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what is the difference between VARIAC,AUTO TRANSFORMER,DIMMERSTAT.

10 Answers  

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Pls tell me what is the exact current conducting capacity of copper and aluminium cables?how much capacity of cables need to 90kw induction motor&how?

1 Answers  

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