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Manufacturer of UPS, UPS uninterruptible power supply, overload protection function

by:KEBO      2020-04-20
Guarantee the normal work of the UPS uninterruptible power supply, it is important UPS power supply can't overload running. If UPS overload operation, in the process of storage battery power supply as a result of the overload protection function of the inverter, UPS will be interrupted by the overload output, resulting in unnecessary losses. Manufacturer of UPS, UPS uninterruptible power supply UPS uninterruptible power supply overload protection function has the overload protection function, when overload ( 150% load) , to bypass state, and the load automatically return to normal. When a serious overload ( More than 200% rated load) , uninterrupted power supply to immediately stop the inverter output and jumps to bypass state, at this time in front of the input air switch may also be tripping. After eliminate the fault, as long as the closed switch, namely the reboot began to return to work. UPS uninterruptible power supply overload protection is also in charge of cases, to protect the battery, no longer continue to charge. The battery power will not exceed the capacity of the battery itself, otherwise it will damage the battery. In v, UPS uninterruptible power supply function in the process of overload protection is to protect the battery. In addition, small power UPS for capacitive load, such as personal PC, inkjet printers, scanners, etc. , but it is not suitable for inductive load. Because the perceptual load starting current tend to be more than 3 ~ 4 times the rated current, this will cause the instantaneous overload of UPS, affect the service life of UPS. Such as home commonly used electric fans, refrigerators, air conditioners and other all belong to typical inductive load, can not meet in the output of the UPS uninterruptible power supply. Any power supply has the important characteristics are determined by the supply of full load capacity. More importantly, UPS power supply has some built-in error margin or calculate the fault-tolerant overload conditions. If serious overload causes UPS uninterruptible power supply motherboard burned or severe UPS uninterruptible power supply, UPS uninterruptible power supply is damaged, do not work, etc. The use of UPS power supply best range is between 60% ~ 80% of the rated load capacity, beyond this range will be on the use fixed number of year the use of a certain effects on the UPS power supply, equipment internal components moment in the running state is an important reason of accelerated aging products. In general, UPS power supply is overload protection. A good UPS power is the smallest offer 5% overload protection, and ideally can provide 10% overload protection.
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