what is "PE" earthing? and what do u know abt 16mm cable?

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what is the different between HT auxillary relay resistance and transformer tripping relay resistance?

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How does a VOLTAGE OPERATED DIFFERENTIAL RELAY work??

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We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

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How to size a transformer which will supply power to 550kW,690V motor starting with VFD?

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hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

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MCB Rating

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A 3 phase motor operating off 415V system is developing 20Kw at an efficiency of 0.77 and power factor of 0.73. determine:- a)the line current. b)the phase current if winding are delta connected. c)the phase voltage if winding are star connected.

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How power factor affect on bill explain with example.

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what is the difference between potential Transformers and capacitive voltage transfoemers and where it is used?

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WHAT MEANT BY MCC PANEL?

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Why is the uniform distribution of the capacitor discs in a suspension type insulators essential , what can u do to improve the string efficiency ?

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