光纤差动保护在500 kV线路保护中的应用  

Application of Optical-fiber Differential Protection Used for 500 kV Transmission Line Protection

作　　者：陆路[1] 陈雨[2] 邬祥宏 殷鸣[3] 

机构地区：[1]泰州供电公司,江苏泰州225300 [2]常州市气象局,江苏常州213000 [3]南京供电公司,江苏南京210008

出　　处：《江苏电机工程》2009年第2期52-54,共3页Jiangsu Electrical Engineering

摘　　要：分析了当前在500 kV线路保护中广泛应用的光纤差动保护,并以REL561保护和RCS931D保护为例,介绍了其在原理、功能等方面的特点,经过长期实践对光纤差动保护存在的一些不足作了归类分析并对保护的运行维护提出了解决方案。This paper analyzes the optical-fiber differential protection which has been used widely for the 500 kV Transmission lines. REL561 and RCS931D protections are taken as examples to introduce its principle and functions. The disadvantages of optical-fiber differential protection are classified and analyzed, and the solution is put forward for the operation and maintenance.

关 键 词：光纤差动保护 运行维护 REL561保护 RCS931D保护 

分 类 号：TM72[电气工程—电力系统及自动化]