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How does UPS work?
- May 23, 2018 -

UPS is an uninterruptible power supply, which connects the battery (mostly to the lead-acid maintenance free battery) to the host, and converts the DC to the city's power system through the mainframe inverter module circuit. 

It is mainly used to provide stable and uninterrupted power supply for single computer, computer network system or other electric and electronic equipment, such as solenoid valve and pressure transmitter. 

When the city power input is normal, the UPS will supply the load to the load after the market voltage is stabilized. At this time, the UPS is an AC voltage regulator, and it also charges the battery in the machine. When the city power interrupts (accident blackout), UPS will immediately supply the DC power of the battery to the load by switching the inverter to the load, and continue to supply the 220V to the load. Power flow keeps load normal and protects the load from damage to hardware and software. 

UPS devices usually provide protection for high voltage or low voltage.