Severe brownouts - Computer restarting...

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Colorful Life

Distinguished
Apr 6, 2013
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My area has severe brownouts and my computer keeps restarting.

The normal voltage here is around 220v but it gets really low. Maybe 90v.

Suggest a solution so I can use my computer even during brownout.
 
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thx1138v2

Splendid
Jun 18, 2011
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That's what Uninteruptible Power Supplies (UPS) do but they typically only supply a few minutes power to shut the machine down in an orderly manner. So it depends on how long the brownouts last. If you are talking hours, you'll need a battery bank and a way to charge those batteries. How big the battery bank needs to be will depend on how much power your computer system (computer, router, speakers, etc) uses and how long and how frequently the batteries will need to keep it going. The batteries will need maintenance and replacement occasionally. They don't last forever.

Or you could use a backup generator that automatically kicks in when the power goes out of spec but it will need fuel and house wiring. To use a generator with a computer you need a "pure sine wave generator" so it will be fairly expensive. This option will require maintenance occasionally also.

BTW, low voltage is just as bad for electronics as power surges. Besides resetting the computer, low voltage can damage the machine.
 
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