Answer / sudhakar g

In your case the the ups having low battery storage.....thas why it unable to deliver the o/p to CFL lamp also...If u saw in inverters in home those a having 12V DC SMF batteries. those can give the o/p and the AH rating in those batteries are very high compared to PC UPS.....If want to upgrade buy an 1.5KVA Inverter with having 12V DC batteries if 2nos connected in series and those output power cab set to one small Distribution board, From that DB to lay a circuit wiring to 6/16A socket it will give the back up very well and you can also use both emergency lighting and uninterupted power to PC also......

we have 3*1 MW generator one NGR is common for all it will be selected during paralle our problem is two generator ca be paralled but when slecting third one we need to close NGR selection on third one other wise voltage not matching why?

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