一些自然灾害会对市电造成严重的影响，电源将出现包括浪涌、尖峰脉冲、频率波动、切换瞬态等问题。这些不同的市电问题对于计算机和网络系统会引起数据错误或丢失，甚至设备的严重损坏，使工作无法顺利进行。而对于化工等工业控制行业，会使控制无法进行，造成巨大损失，... Some natural disasters will have a serious impact on the electricity, the power supply will include surge, spikes, frequency fluctuations, switching transients and other issues. These different mains problems can cause errors or loss of data to the computer and network system, and even serious damage to the equipment, so that the work can not be carried out smoothly. For chemical and other industrial control industries, will make the control can not be carried out, resulting in huge losses, ...