抽水蓄能机组继电保护配置研究  

Research on configuration of protective relay for pumped storage power plant

作　　者：王昕[1] 井雨刚[1] 王大鹏[1] 苏文博[1] 

机构地区：[1]山东电力研究院,山东济南250002

出　　处：《电力系统保护与控制》2010年第24期66-70,92,共6页Power System Protection and Control

摘　　要：阐述了抽水蓄能机组对继电保护的要求,介绍了目前蓄能电站的典型保护配置方案及各种配置方案的优缺点。分析了不同蓄能机组保护在电气换相问题所采用的各种策略。针对抽水蓄能机组的发电机、主变压器差动保护在可靠性、保护范围配合、闭锁逻辑等方面进行探讨。最后,对抽水蓄能电站保护设计中存在的普遍问题进行分析、总结。This paper specifies the requirements for protective relays applied to a pumped storage power unit .Typical protection configuration schemes are introduced and their advantages and disadvantages are discussed as well. Furthermore. the techniques used by protection system to cope with phase reverse phenomenon in pumping operation are summarized. In addition. the reliability, protection scope cooperation and block logic of differential protection for generator and main transformer of a pumped storage unit are analyzed. Based on field commissioning experience .several design issues affecting protective relays are emphasized and analyzed.

关 键 词：抽水蓄能 继电保护 背靠背启动 差动保护 闭锁逻辑 

分 类 号：TM774[电气工程—电力系统及自动化]