GE公司500kV母差,断路器失灵保护在五强溪的应用

五强溪水电站装机容量为5×240MW,电压等级为500kV,500kV母线采用双母线接线方式,出线侧带旁路隔离开关,进线3回,出线3回。(见图1)     

青铜峡唐渠水电站容量效益研究

唐渠水电站系灌溉渠首电站，就其本身而言，属于季节性电站，不存在容量效益的问题，致使电站的建设，在经济上不可行。经过研究，对于同一电力系统，梯级电站的灌溉渠首电站，利用水力电力补偿调节和电力系统的负荷特性，进行适当的补水措施，使之具有保证出力，并发挥容量效益。     

A Visit of Small Hydropower Stations in Australia

To introduce the technology of Australia containerized SHP station,in March 2005, a delegation of 4 HRC engineers visited Australian containerized SHP stations and other three conventional SHP plants with the accompany of Tyco Tamar. These stations, no matter in the design of powerhouse, main equipment or auxiliaries, differ significantly from those ones in China. Here, a briefing is presented as follows.     

ZDF—2型直动式电磁阀的研制

本文介绍具有新型功能的ＺＤＦ－２型直动式电磁换向阀，说明其工程原理及特点。