随着信息技术的日益进步,计算机和网络的应用日益重要和广泛,计算机系统的安全与稳定性显得非常重要,而我们面对的环境却是那么的不如意:电压波动很大,时而中断、时而出现杂汛干扰,它们给微机系统的正常运作造成很大的威胁,使本来就非常繁忙的管理员又不得不面对新的问题。在这种情况下,作为保护电脑电源的UPS便应运而生。 With the progress of information technology, the application of computer and network is becoming more and more important and extensive. The security and stability of computer system are very important, and the environment we are facing is not satisfied: the voltage fluctuates greatly, sometimes breaks down, sometimes The emergence of noise pollution, they give the normal operation of the computer system poses a great threat to the already very busy administrators have to face new problems. In this case, as a protection of computer power supply UPS came into being.