In the event your voltage ranges are unstable (ie: power stays on, but the actual voltage amount may differ a whole lot from your 220V standard), then I think that's the sort of circumstance the place an AVR is useful. Case in point #seven - you forgot the -jar alternative https://bangkokwax92570.idblogmaker.com/32948286/new-step-by-step-map-for-uninterruptible-power-supply-hs-code