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Angry UPS එකකින් power backup එකක් - 01-10-2019, 07:26 AM

650VA UPS එකකින් Full charge කරලා 9W බල්බ් එකක් කොයි කරම් වෙලාවක් දල්වන්න පුලුවනි ද? ගණනය කර ගන්න විදිය පැහැදිලි කරන්න. Thanks.
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01-10-2019, 07:41 AM

10W flasher ekak 1.5H wage weda karanawa .... ups eke battery yath dan tikak paranayi....aluth ekakin 3H wage puluwan weyi
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01-10-2019, 07:43 AM

Battery Wh / (bulb power*20%) (20% of loss in conversion)


Battery used in regular 500-650VA ups is 7Ah 12V = 84Wh


so, 84/(9w*20%) = 7.7 Hours


But in real life, will last 5 hours
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01-10-2019, 07:59 AM

Quote:
Originally Posted by pavithra_uk View Post
Battery Wh / (bulb power*20%) (20% of loss in conversion)


Battery used in regular 500-650VA ups is 7Ah 12V = 84Wh


so, 84/(9w*20%) = 7.7 Hours


But in real life, will last 5 hours




350W computer ekak gaththoth ekata enne 0.2H ne bn. e wunata normally 20min wage thiyenawane.

Last edited by lk-maare; 01-10-2019 at 08:02 AM.
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01-10-2019, 08:15 AM

BUMP MACHAN
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01-10-2019, 08:29 AM

bmp
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01-10-2019, 09:03 AM

Thanks all my dear...
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01-10-2019, 06:36 PM

https://www.youtube.com/watch?v=lmIGonMm9jk
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01-10-2019, 06:39 PM

Quote:
Originally Posted by Iroshan2008 View Post

ups 650 va nomal


650/9- 7.2 hr wage eth uparima 4 - 5 hrs thama
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