if we want to increase the back up time of an UPS what should we do ? if we want to decrease the charging time of a battery/batteries attached with the UPS what should we do ?

6 Answers  

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What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.

0 Answers   Kirloskar,

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why do we need transformers?

12 Answers  

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what is the minimum insulation resistance for HT AND LT motor ?

3 Answers  

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can any one explain me the where is the use of plc and scada

4 Answers  

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Define load factor?

0 Answers  

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what is DAR test?

2 Answers   Al-Naboodah, ISRO, ONGC,

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I want to do a mini project. Now I'm studying in 6th semis tor EEE Engineering.

0 Answers  

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how much current take 16sq mm Cable

2 Answers  

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1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

0 Answers  

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help!!!! i bought a new house 2 yrs ago,ive just had 2 new lights fitted,when i boil the kettle,maybe 2 times in succession the safety light switch trips out,it dosnt do it straight away but it seems to do it when the kettle boils!!!!! sounds very odd to me

2 Answers  

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why in three phase 440 circuit in all phase current is almost equal L1-35 A,L2-34 A ,L3-31 A but in nutral when i check with clamp meter it shows 25 A?

4 Answers   OPS,

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