优化无扰动切换装置提升发电系统能效  

Energy Efficiency Improvement of Power Generation System Through Optimization of Undisturbed Switching Device

作　　者：徐国强 任士荣 赵莲 张乐刚 刘芳 XU Guoqiang;REN Shirong;ZHAO Lian;ZHANG Legang;LIU Fang(The Power Plant of Laiwu Steel,Shandong Iron and Steel Group,Jinan,Shandong 271104,China)

机构地区：[1]山钢股份莱芜分公司能源动力厂,山东济南271104

出　　处：《冶金动力》2023年第2期4-6,共3页Metallurgical Power

摘　　要：为提高单元制发电机组系统运行可靠性,通过优化和组合无扰动切换装置的切换模式、信号采集点、保护启动判据等功能,解决了无扰动切换装置投入后的系统切换中母线失电、装置拒动、系统低电压造成设备跳闸等问题,实现了无扰动切换装置的可靠动作,保证了系统连续可靠的电力供应。In order to improve the system operation reliability of unitary generating units,,the problems of bus power loss,device rejection and equipment tripping caused by low voltage in the system switching after the undisturbed switching device is put into opera⁃tion are solved by optimizing and combining the functions of the switching mode,signal col⁃lection points and protection start criteria of the undisturbed switching device,so as to real⁃ize continuous and reliable power supply.

关 键 词：无扰动切换 切换模式 信号采集点 保护启动判据 

分 类 号：TM76[电气工程—电力系统及自动化]