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电子式互感器与继电保护接口的实现
引用本文:刘青,王增平,徐岩,焦彦军.电子式互感器与继电保护接口的实现[J].高电压技术,2005,31(4):4-5,68.
作者姓名:刘青  王增平  徐岩  焦彦军
作者单位:华北电力大学电力系统保护与动态安全监控教育部重点实验室,保定,071003
基金项目:国家自然科学基金资助项目(50347023),华北电力大学青年教师科研基金资助项目(93201021)
摘    要:为了使继电保护装置尽可能应用能解决长期困扰继电保护的互感器饱和及暂态准确度不高等难题的电子式互感器,以光学电流互感器(OCT)为例,根据电子式电流互感器标准IEC60044 8 及变电站通讯网络和系统协议IEC61850,设计了OCT与继电保护装置的接口方案,介绍了硬件结构及软件流程,并利用测试软件对该接口方案进行了实验。实验结果表明,该接口能很好地完成电子式互感器与继电保护装置之间的通讯功能。

关 键 词:电子式互感器  继电保护  数字接口
文章编号:1003-6520(2005)04-0003-02

Interface of Digital Relay Protection and Electrical Transducers
LIU Qing,WANG Zengping,XU Yan,JIAO Yanjun.Interface of Digital Relay Protection and Electrical Transducers[J].High Voltage Engineering,2005,31(4):4-5,68.
Authors:LIU Qing  WANG Zengping  XU Yan  JIAO Yanjun
Institution:(Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control of Ministry of Education, North China Electric Power University, Baoding 071003, China)
Abstract:The use of electrical transducers provides new opportunity and solve some difficult problems of protective relay such as the current transducer saturation and lower transient precision. For conform this new development, according to the IEC60044-8 standard of electronic transducers and IEC61850 standard of communication networks and systems in substations, this paper designs the interface scheme between the OCT and protection devices, and introduces the hardware construction and software flow. The interface scheme has tested by using testing software. The result indicates that interface scheme has good function of communication between the electrical transducer and protective relay devices.
Keywords:electrical instrument transducer  relay protection  digital interface
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