Answer / dinesh

when current go to high more than setting in relay

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?

4 Answers  

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How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx

0 Answers   Bhel,

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How to calculate the Airconditioner capacity for a standard telecom BTS shelter?

3 Answers  

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Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

0 Answers   WCC,

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what will be happen if we apply D.C supply to the transformer

14 Answers   CCBPL,

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which course is maximum demand in industry and give me the list of best courses for electrical engineers

1 Answers  

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different between highvoltage & lowvoltage source

5 Answers  

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why some time Railway Fan not Rotate,But after a small rotation by human then it rotate normally? Why?

4 Answers  

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what are the stresses in circuit breakers ?

0 Answers  

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what is the maximum genarating in india?

17 Answers  

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What are the difference between C-Curve and D-Curve for MCB's.

17 Answers   ABB, DLF, Essar, GK companies, Nissi Engineering Solution,

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why we are using DC violtage for testing of cables....which is used in HV AC applicatons...

1 Answers  

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