复式比率母差保护原理及试验方法分析  

Analysis on Principle and Test Method of Bus Duplex Ratio Differential Protection

作　　者：蔡奕斌 CAI Yi-bin(Chaozhou Power Supply Bureau of Guangdong Power Grid,Co.,Ltd.,Chaozhou 521000,China)

机构地区：[1]广东电网有限责任公司潮州供电局,广东潮州521000

出　　处：《通信电源技术》2020年第6期88-89,共2页Telecom Power Technology

摘　　要：复式比率母差保护在继电保护系统中应用广泛,掌握其原理及试验方法是继电保护专业人员必备技能之一。以BP-2C型母线保护装置为例,分析了复式比率母差保护基本原理、动作判据及制动系数取值等方面内容,提出了一种具有普遍适用性的复式比率制动系数试验方法,旨在提高继电保护设备验收及检验工作效率。Bus duplex ratio differential protection is widely used in relay protection system.It is one of the necessary skills for relay protection professional to master its principle and test method.Taking BP-2C bus protection device as an example,this paper analyzes the principle,the action criterion and the restraint coefficient value of bus duplex ratio differential protection,and puts forward a universal method for checking the restraint coefficient,which aims to improve the work efficiency of relay protection device.

关 键 词：复式比率 母差保护 制动系数 试验 

分 类 号：TM77[电气工程—电力系统及自动化]