摘要
高压并联电容器作为电网无功补偿的主要设备,其安全可靠运行对电力系统意义重大。文中介绍了电容器的主要结构,详细分析一次主接线以及电容器组具体工程连接示意图,介绍并联电容器用串联电抗器的保护作用及选型标准,以及内熔丝保护,重点研究某高压并联电容器装置的电流保护、电压保护及桥差不平衡电流保护整定值的计算,该计算方法对并联电容器装置的保护整定有参考意义。
As a main equipment of reactive power compensation in power grid, the safe and reliable operation of high voltage shunt capacitor has great significance to the power system. In this paper, the main structure of capacitor is introduced, the primary wiring and the specific connection diagram are deeply analyzed, the protection function and the selection standard of series reactor for the shunt capacitor as well as the protection of inner fuse are introduced. The voltage protection and bridge differential imbalance current studied. The calculation method has reference significance for setting calculation for current protection, of certain high voltage shunt capacitor is the protection setting of shunt capacitor.
出处
《电力电容器与无功补偿》
北大核心
2015年第1期7-10,共4页
Power Capacitor & Reactive Power Compensation
关键词
高压并联电容器
整定计算
桥式差电流保护
high vohage shunt capacitor
setting calculation
bridge differential current protection
