UPS is an uninterruptible power supply, which has storage battery, inverter circuit and control circuit. When the mains power supply is interrupted, the control circuit of ups will detect and immediately start the inverter circuit to output 110V or 220V AC, so that the electrical appliances connected to UPS can continue to work for a period of time, so as to avoid losses caused by mains power interruption.
Switching power supply is to change 110V or 220V AC into required DC. It can have multiple groups of DC output, such as single-channel power supply, double-channel power supply and other multi-channel power supply. It mainly has rectifier filter circuit and control circuit. Because of its high efficiency, small volume and perfect protection, it is widely used in electronic equipment. For example, computers, televisions, various equipment, industrial fields, etc.
1. UPS power supply is equipped with a set of battery pack. When there is no power failure at ordinary times, the internal charger will charge the battery pack, and enter the floating charge state after full charge to maintain the battery.
2. When the power ends unexpectedly, the ups will immediately turn into the inverter state within milliseconds to convert the power in the battery pack into 110V or 220V AC for continuous power supply. It has a certain voltage stabilizing effect, Although the input voltage is usually 220V or 110V (Taiwan, Europe and the United States), sometimes it will be hi
gh and low. After connected to UPS, the output voltage will maintain a stable value.
UPS can still maintain equipment operation for a period of time after power failure. It is often used in important occasions to buffer for a period of time and save data. After power failure, UPS sends out an alarm sound to prompt power interruption. During this period, users can hear the alarm sound, but there is almost no other impact, and the original equipment such as computers are still in normal use.
Post time: Dec-16-2021