ups info ups wik,i什么是ups

UPS的中文意思为“不间断电源”，是英语“Uninterruptible Power Supply”的缩写，它可以保障计算机系统在UPS电源整体解决方案

An uninterruptible power supply, also uninterruptible power source, UPS or battery/flywheel backup, is an electrical apparatus that provides emergency power to a load when the input power source, typically the utility mains, fails.

A UPS differs from an auxiliary or emergency power system or standby generator in that it will provide instantaneous or near-instantaneous protection from input power interruptions by means of one or more attached batteries and associated electronic circuitry for low power users, and or by means of diesel generators and flywheels for high power users.

The on-battery runtime of most uninterruptible power sources is relatively short—5–15 minutes being typical for smaller units—but sufficient to allow time to bring an auxiliary power source on line, or to properly shut down the protected equipment.

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While not limited to protecting any particular type of equipment, a UPS is typically used to protect computers, data centers, telecommunication equipment or other electrical equipment where an unexpected power disruption could cause injuries, fatalities, serious business disruption and/or data loss. UPS units range in size from units designed to protect a single computer without a video monitor (around 200 VA rating) to large units powering entire data centers, buildings, or even cities

UPS电源整体解决方案停电之后继续工作一段时间以使用户能够紧急存盘，使您不致因停电而影响工作或丢失数据。

它在计算机系统和网络应用中，主要起到两个作用：一是应急使用，防止突然断电而影响正常工作，给计算机造成损害；

二是消除市电上的电涌、瞬间高电压、瞬间低电压、电线噪声和频率偏移等“电源污染”，改善电源质量，为计算机系统提供高质量的电源。