Answer / kiranganesh

I use online and normally all guys use this one only.Because
when main supply is there than it will switches to load
directly and same time charges its battery,if main supply cuts
than it will discharge its battery

Answer / pankaj rathi

In online ups Battery circuits remains allways in line i.e. UPS is connected to load through battery bank. But in ofline ups battery ckt remains as a standby .whenever the supply get cut then ups take the load through battery system.

if we convert kva into Ampers,which one formula use by us,pls tell me?

7 Answers   ABB,

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what is the purpose of high speed earth switch in gas insulated substat

0 Answers   ABB,

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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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how does electrical train works and what type of motors are used to drive the train? which level of supply voltage is used?

22 Answers   Alstom, Infotech,

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what is the difference between phase and neutral?

3 Answers   IAF, Indian Airlines,

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How to PLC give the command to electrical

1 Answers  

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What is sinusodial & non sinsodial current

1 Answers  

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what is ph test in coolent cheking

2 Answers  

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Is there is any difference between AC and DC Cables

1 Answers  

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if flow of electrons is current then why their direction are different???

1 Answers  

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When connecting a loaded powerplant to the Huge grid,what are the factors to be considered and how the VAR flow will affect the system?

1 Answers  

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What is R/X ratio? I have heard that this ratio is higher in a radial distribution system.Why is it so? I would appreciate a word. Thank you

1 Answers   Power Grid, Vignan University,

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