What is the permissible sound level for 1000kva DG set and how the sound level is calculated.

1 Answers  

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what does mean for "mah" for mobile batteries like 1500mah,1300mah??

2 Answers  

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What is the feedback in the control system?

0 Answers  

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What is basic fundamental for choosing NGR or NGT for any generator neutral grounding

5 Answers   EDF,

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Differentiate between Low and High impedance Protection

1 Answers  

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what is the different between rms and average value

1 Answers   Finolex, TATA,

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how ct burden,magnetising current,ratio and knee point voltage are related & derived

0 Answers   Dalkia, SCT,

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how to calculate the battery AH

0 Answers   Turbo,

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I am getting differential earth fault in my transformer realy , i have checked all its CT & control wiring but do not get fault, Please help

6 Answers  

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How does a VOLTAGE OPERATED DIFFERENTIAL RELAY work??

2 Answers  

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I have carried out wiring for lighting in a shed in Industrial area which contains Metal halide lamps & have balanced in 3ph.Now when we put all the lines on in the daytime the current taken at 3phases at MCB comes to be equal i.e.28,29,28Amps respectively but in the night time i.e between 7p.m.to 11p.m. at the same MCb the current is 52,59,62Amp, though I have fit 63A MCB it is tripping in the above period.What may be the reason.? Note: This industry is located in industrial area where majority of steel ingot manufacturing plants are there. Whether this may be due to harmonic? what should I do to overcome above problem.pl suggest urgently.

4 Answers  

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1 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?

3 Answers   Focus, Focus Energy,

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