大型汽轮发电机组低频保护设计和研究  

Design and Research of Low Frequency Protection for Large Turbine Generator Unit

作　　者：权宪军[1] 韩蕴[1] 王昕[1] 万向阳[1] 黄海悦[1] 

机构地区：[1]烟台东方电子信息产业股份有限公司,山东省烟台市264000

出　　处：《电力设备》2007年第2期41-44,共4页Electrical Equipment

摘　　要：介绍了大型汽轮发电机组频率异常运行的危害和对低频保护的技术要求及准则;提出了低频保护的设计方案(包括频率保护和频率累积保护),并结合一个实际工程说明了低频保护的应用。The paper introduced the hazard of large turbine generator operation under abnormal frequency and technical requirements and criteria for low frequency protection. The design scheme for low frequency protecfion was presented including frequency protection and frequency accumulation protectio. Combined with a practical engineering, the application of low frequency protection was described.

关 键 词：自然频率 共振 低频保护 累积记忆 闭锁条件 汽轮发电机组 发电厂 

分 类 号：TM311[电气工程—电机] TM77