When your voltage concentrations are unstable (ie: power stays on, but the particular voltage amount may differ a lot from your 220V typical), then I feel that's the sort of scenario exactly where an AVR is helpful. I've just requested a whole new PC Together with the Intel core i7-920 https://conkey-s-bakery-sukhumvit50370.humor-blog.com/32752166/5-simple-statements-about-uninterruptible-power-supply-definition-explained