智能变电站继电保护在线运检方法研究  

Research on online operation method for protective relay of smart substation

作　　者：刘琨 黄明辉 李一泉 刘玮 陈桥平 王增超 王育学 LIU Kun;HUANG Minghui;LI Yiquan;LIU Wei;CHEN Qiaoping;WANG Zengchao;WANG Yuxue(Power Dispatch Control Center of Guangdong Power Grid Co.,Ltd.,Guangzhou 510600,China;Key Lab for Protective Relaying Real Time Digital Simulation of Guangdong Power Grid Co.,Ltd.,Guangzhou 510600,China)

机构地区：[1]广东电网有限责任公司电力调度控制中心,广东广州510600 [2]广东电网有限责任公司RTDS继电保护仿真重点实验室,广东广州510600

出　　处：《电力系统保护与控制》2020年第7期58-65,共8页Power System Protection and Control

基　　金：国家自然科学基金项目资助(51577073);中国南方电网有限责任公司科技项目资助(GDKJXM20184472)。

摘　　要：随着信息与通信技术在继电保护系统中的应用不断加深,基于高度信息开放背景下的在线运检成为了提升继电保护系统运维有效性的新模式。首先论证传统运检的有效性和充分性。围绕继电保护全面实时状态评估和可靠有效运检的目标,提出全景信息开放和在线运检的需求。然后全面梳理评估继电保护状态所需的状态信息集,探讨状态信息集的构成及获取方式,提出基于不同类别状态信息的在线运检方法,从而构建在线运检系统的架构,综合利用状态信息发现继电保护的异常。最后,结合传统运检与在线运检提出继电保护新模式的构想。As the information and communication technology is widely used in the relay protection system,online maintenance method,which is based on highly information sharing,has become a new mode to improve the efficiency of relay protection maintenance.Firstly,this paper analyzes the efficiency and sufficiency of conventional maintenance method.Aiming to achieve overall and real-time state assessment as well as reliable and efficient relay protection maintenance,the demand of panoramic information and online maintenance is proposed.Furthermore,state information set and its composition and obtain way are discussed in this paper,while different online maintenance methods according to different categories of state information are also proposed.Based on the above information sets,this paper proposes an online maintenance system which can discover many faults of relay protection.Finally,considering both conventional and online maintenance methods,this paper describes a new mode for relay protection maintenance.

关 键 词：继电保护 定检 全景信息开放 在线运检 状态评估 

分 类 号：TM77[电气工程—电力系统及自动化] TM63