巨型水电机组动力柜电源切换装置探究与设计  

Research and design of power supply switching device of power cabinet in large hydropower unit

作　　者：于远航 艾远高 王本红 周立成[1] YU Yuan-hang;AI Yuan-gao;WANG Ben-hong;ZHOU Li-cheng(Three Gorges Hydropower Plant,China Yangtze Power Co.,Ltd.,Yichang 443133,China)

机构地区：[1]中国长江电力股份有限公司三峡水力发电厂,湖北宜昌443133

出　　处：《水电站机电技术》2020年第9期9-11,71,共4页Mechanical & Electrical Technique of Hydropower Station

摘　　要：设计了一种基于电源监视器与小型PLC的双路电源冗余切换控制装置,并以某水电站巨型水电机组动力柜双路电源切换回路为应用实例,从优化装置硬件配置、切换逻辑、提高运行维护效率的角度阐述了设计研发新型切换装置的思路和具体过程。We designed a dual-channel power supply redundancy switching control device based on power supply monitor and small PLC.Besides,we used a dual-channel power supply switching circuit of a gain hydropower unit power cabinet in a hydropower station as an example,and elaborated ideas of designing new switching device and its specific process from points of view including improving hardware operation of device,changing logic and improving efficiency of running safeguard.

关 键 词：动力柜 双路电源 冗余切换 设计 

分 类 号：TM774[电气工程—电力系统及自动化]