基于北斗的智能化光纤差动保护装置  

Intelligent Optical Fiber Differential Protection Device based on Beidou

作　　者：吴骞[1] 

机构地区：[1]国电南瑞科技股份有限公司,南京210061

出　　处：《电气技术》2015年第9期64-67,共4页Electrical Engineering

基　　金：电子信息产业发展基金资助项目(财建[2013]757号)

摘　　要：光纤差动保护两端电流的同步采样问题是实现差动保护的关键技术之一。为解决这一难题,北斗卫星授时技术被引入光纤差动保护。文中对基于北斗精确对时的同步方式与传统采样同步采样方式进行了对比。重点对基于北斗实现同步采样的智能化保护装置方案的设计思想和工作原理进行了详细阐述,同时提出了可以利用北斗信号时对常规同步方式改进;结果证实了所提出的同步采样方案的正确性和利用北斗实现电流差动保护的可行性。Synchronous sampling issue at both ends of fiber optic current differential protection is one of the key technologies to achieve differential protection. In order to solve this problem, the Beidou satellite timing technology is introduced into the optical fiber differential protection. In this paper, and the traditional way of precise time synchronization based on Big Dipper sampling conducted comparative way synchronous sampling. The design idea and principle of realization of key based on the Beidou synchronous sampling scheme of intelligent protection device are described in detail, at the same time put forward can use compass signal improvement to the conventional synchronous mode; the results confirmed the correctness and feasibility of the proposed synchronous sampling scheme and Realization of current differential protection using the compass.

关 键 词：北斗 同步采样 光纤差动保护 智能化变电站 

分 类 号：TM774[电气工程—电力系统及自动化] TN96.1[电子电信—信号与信息处理]