Answer / thowsif_csm_emerson

1.Online ups - Sinusoidal Wave from.
2.Offline ups - Quasi Sine Wave from.
3.Inverter - Sine Wave from.

Answer / gmanieee@yahoo.co.in

3.Iverter-square wave form

What is meant by Load Encroachment in OHL Feeder Protection?

0 Answers  

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what is the disaddvantages of high power factor

2 Answers  

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why we commonly use delta star winding in power and distribution transformers

7 Answers  

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what happened when we supply a dc current in dc motor?? can it worked properly?

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What happen to generator if i have unbalanced load?

0 Answers   Reliance Energy, Sail, TCS,

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pls send previous bhel electrical papers

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If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")

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While connecting the flood light plug on to the 415 V distribution panel,there was spark and the cable got burnt. Three ignitors of the flood light also burnt of. The lamps are of 400 W (total 6 lamps) connected through 1.5 mm2 cable. The plug was immediately removed from the circuit. There was a 30 mA RCD connected and a 250 A MCCB; however both did not trip. What could be the possible reasons for the circuit devices not to trip?Can someone assist please. Additional info if needed can be provided.

2 Answers  

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In our generating power station we get electric shock in the battery bank, what will be the reason?

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1 Answers  

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