子午水电站可逆水轮机组电气传动控制系统  

Electric Drive Control System of Reversible Turbine Unit in Ziwu Hydropower Station

作　　者：梁冠雄 李云龙 李大双 LIANG Guanxiong;LI Yunlong;LI Dashuang(Shaanxi Yinhan Jiwei Engineering Construction Co.,Ltd.,Xi'an 710000,Shaanxi,China)

机构地区：[1]陕西省引汉济渭工程建设有限公司,陕西西安710000

出　　处：《电气传动自动化》2024年第3期14-16,24,共4页Electric Drive Automation

摘　　要：介绍了子午水电站可逆水轮机组电气传动控制系统。基于四象限级联中压变频器,实现了机组发电工况下的变速恒频运行和抽水工况下的高效节能运行。同时,采用电气回路冗余设计、变频器功率单元快速旁路技术和中性点漂移技术,确保了机组的高效可靠运行。This paper introduces the electric drive control system of the reversible turbine unit of Ziwu Hydropower Station.Based on the four-quadrant cascaded medium voltage inverter,the variable speed constant frequency operation of the unit under the power generation condition and the high efficiency and energy saving operation under the pumping condition are realized.At the same time,the redundant design of electrical circuit,the fast bypass technology of inverter power unit and the neutral point drift technology ensure the high reliable operation of the unit.

关 键 词：可逆水轮机组电气传动控制系统 变速恒频控制 级联中压变频器 

分 类 号：TM622[电气工程—电力系统及自动化]