在基层电网的建设中有一个不可回避的问题,县级供电企业大楼的电网调度控制室、电力中心机房等各类设备对电源质量的依赖越来越强,瞬时的停电会引起机房内数据的丢失,严重时甚至导致系统崩溃;而短时的停电会让营业大厅无法办理业务,调控中心不能及时接收处理故障,都会造成重大的经济损失。此外市电的质量并不总能满足用电设备的要求,持续低电压、过压、电源浪涌、频率波动、谐波失真都会给调度控制中心、中心机房各类设 There is an unavoidable problem in the construction of the grass-roots power grid. The power dispatching control room, power center room and other equipment of the county-level power supply enterprises rely more and more on the power quality. Instantaneous blackouts will cause the data in the equipment room Lost or even cause the system to collapse even in severe cases. A short power outage will make the business lobby unable to handle business, and the control center can not timely receive and handle the fault, which will cause significant economic losses. In addition, the quality of electricity does not always meet the requirements of electrical equipment, continuous low voltage, over voltage, power surge, frequency fluctuations, harmonic distortion will give dispatch control center,