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220千伏变电站在高压输电网系统中起着重要的作用,其运行的可靠性关系到所属区域电网的供电安全。220千伏变电站的UPS系统为变电站的监控、信号、计量、继电保护、自动装置及火灾报警系统等提供可靠稳定、不间断的高质量电源,是变电站的关键电源设备。文章详细介绍UPS系统的构成配置、功能、运行方式及维护特点,为变电站UPS系统的相关工作提供可靠的依据。
The 220kV substation plays an important role in the system of high-voltage power transmission network. The reliability of its operation is related to the power supply security of the power grid in its area. The 220 kV substation UPS system provides the reliable, stable and uninterrupted high-quality power supply for substation monitoring, signal, metering, relay protection, automatic devices and fire alarm systems. It is the key power supply equipment in substation. The article details the constitution, configuration, function, operation mode and maintenance features of UPS system, and provides a reliable basis for the related work of UPS system in substation.