The UPS power supply can supply power for a period of time after the power is cut off, but how long can the UPS power supply be powered after the power outage? UPS power supply manufacturers said that the power supply time of UPS power supply is inconsistent according to the load power, the number of batteries and other factors.
How long can the UPS power supply last after a power outage is determined by the battery, not by the UPS power supply. If it is a small UPS, - usually less than half an hour. A UPS power supply is simply a conversion device that generates energy. When the mains power is normal, the battery is charging, and after stopping, the direct current of the battery is discharged to the load through the UPS, and the energy is from the battery to the load.
UPS power supply does not say how many hours can be delayed, the longer the delay time, the more equipment, the more expensive the price, the price of the general outrageous delay time can not be accepted, - the commonly used delay time is 0.5- -24 hours mostly, some are used to store stand-alone data for 5-30 minutes, according to their own on-site electricity environment and the recovery time after the mains power interruption to equip more suitable for their own delay time is the best. The UPS uninterruptible power supply for small home computers can generally be maintained for 20 minutes at a time. Large-scale kilowatt UPS can be set up according to the requirements, generally from 1 hour to 10 hours. Ordinary household UPS uninterruptible power supply for ten minutes to half an hour, it is recommended that it is 500V, and it can be used for another 10-15 minutes after power failure. The continuous operation of the UPS power supply has high requirements for heat dissipation, and the UPS of eight hours or more is for the server.
The length of the UPS uninterruptible power supply after a power outage is determined by its backup battery. The UPS battery that is generally equipped with the standard equipment is equipped with a full load of power supply according to the output power of the UPS-hour. Only need to use a computer, a home computer power is up to 300W, UPS power supply with 500W (considering the large start-up current) can meet the power supply conditions for two hours of power supply, the backup battery can be increased. According to the battery capacity supplied, the multi-times battery is charged for two hours.
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