What is UPS?

UPS power supply is an energy conversion device that uses battery chemical energy as backup energy to continuously provide (AC) electrical energy to user equipment in the event of power outages or other grid failures.
In some situations where high load levels are required (Class I loads), the commonly used power source is UPS (uninterruptible power supply), which refers to equipment that cannot be powered off, such as communication systems; Computer systems; monitoring system; DCS system; The operating room of the medical system; Important electric valves in industry, as well as UPS sockets commonly found in hospital wards and hotels, can be said to have a wider range of applications. As electrical professionals, we should understand the working principle, operating methods, and simple troubleshooting of UPS.