A UPS procedure with on-line double-conversion topology (and generator method) will regularly filter filthy power and deliver clear AC output power. Filthy power is noisy, which generates a jagged sine wave but helps prevent maximum power output. The load wattage should not exceed 80% on the capacity in the UPS https://zbookmarkhub.com/story18193025/the-definitive-guide-to-power-solutions-inc-generators