大型发变组微机保护双重化配置探讨  

DISCUSSION OF THE LARGE GENERATOR-TRANSFORMER UNIT REDUNDANT SETSOF PROTECTION SCHEME

作　　者：沈全荣[1] 何雪峰[1] 沈俭 严伟[1] 郑玉平[1] 沈国荣[1] 

机构地区：[1]国家电力公司电力自动化研究院,江苏省南京市210003 [2]望亭电厂,江苏省苏州市215000

出　　处：《电力系统自动化》2002年第10期69-72,共4页Automation of Electric Power Systems

摘　　要：提出了大型发变组微机保护进行双重化配置的新方案 ;介绍了采用 RCS— 985装置实现的大型发变组保护方案 ,即双套主保护、双套后备保护、双套异常运行保护配置 ,阐明了双主双后配置方案回路简单、运行维护方便的优点 ;对电流互感器和电压互感器的配置提出了看法 。A new schem e of the large generator- transformer unitredundantsets of protection is proposed.The large generator transformer unitprotection scheme achieved in the protection equipment RCS- 985 is introduced in detail,which uses redundant sets of m ain protection,back- up protection schem e and abnormal protection of generator.Moreover,the advantages of simple circuit and convenience in operation of redundant sets of both the main and back- up protection schem es are illustrated. Especially,the configuration schem e of TA and TV is proposed and som e problem s of redundant sets of m ain and back- up protection schem e need to be solved are discussed.

关 键 词：微机保护 双生化配置 继电保护 发电机 变压器组 电力系统 

分 类 号：TM773[电气工程—电力系统及自动化]