PS The Chinese means "uninterruptible power supply" is the English "Uninterruptible Power Supply" acronym, air circuit breaker the computer system after a power outage to continue working for some time in order to enable the user to save an emergency, so you do not work due to power failure or loss of influence data. It is in the computer system and network applications, mainly plays two roles: First, emergency use, to Circuit breaker power failure affecting the normal work, electric meter to a computer; two is to eliminate surges on mains, instantaneous high voltage, instantaneous low voltage, wire noise and frequency offset, "Power pollution", to improve power quality, the computer system to provide high quality power supply.
From the basic application in principle, UPS is an energy storage device containing, as the main component in the inverter, the output voltage constant frequency power protection equipment. Mainly by the rectifier, battery, inverter and static switch of several parts.
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