When your voltage ranges are unstable (ie: power stays on, but the actual voltage stage varies quite a bit in the 220V standard), then I feel that's the type of state of affairs exactly where an AVR is useful. From Java 11 onwards, You need to use the java command https://bdautogroup70368.izrablog.com/34306908/a-secret-weapon-for-uninterruptible-power-supply-pdf