Uninterruptible Power Supply
Online UPS
Double conversion
A double conversion online UPS takes AC input, converts it to direct current (DC), transmits it to the battery, and converts it back to alternating current to power the connected device. In uninterruptible power supplies online, the batteries are always connected to the inverter and in the event that there is a power voltage drop or a blackout, the converter disconnects from the circuit and the batteries come into play, which keep the power supply stable. and without fluctuations.