天际水电站位于福建省沙县境内,电站装设2台6300kW水轮发电机组,电站接入系统采用35kV电压等级。天际水电站电气二次设计包括计算机监控系统、继电保护、直流电源系统、火灾报警系统等方面。电站的运行按少人值班、机旁正常无人值班设计。文章对其监控系统结构及总体配置、设计原则及系统功能等进行了简要介绍。 Tianchi Hydropower Station is located in Shaxian County, Fujian Province, the power station installed 2 6300kW hydroelectric generating units, power station access system using 35kV voltage level. Tianji Hydropower Station Electric secondary design includes computer monitoring system, relay protection, DC power system, fire alarm system and so on. Power plant operation by less people on duty, next to the normal unattended machine design. The article gives a brief introduction of its monitoring system structure and overall configuration, design principles and system functions.