Secondary Information Fault-tolerance Method for Smart Substation Based on Residuals of Measurement Equations

被引：0
|
作者：
Qiu, Yutao [1 ]
Ding, Yimin [2 ]
Pan, Wulue [1 ]
Feng, Chaoli [3 ]
机构：
[1] State Grid Zhejiang Elect Power Co, Hangzhou, Peoples R China
[2] State Grid Jiaxing Power Supply Co, Jiaxing, Peoples R China
[3] State Grid Haiyan Power Supply Co, Jiaxing, Peoples R China
来源：
PROCEEDINGS OF THE 2018 3RD INTERNATIONAL CONFERENCE ON ELECTRICAL, AUTOMATION AND MECHANICAL ENGINEERING (EAME 2018) | 2018年 / 127卷
关键词：
smart substation; state estimation; residual identification; bad data distinguishing; information fault-tolerance;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presented a method of fault-tolerance for secondary-system information in smart substations. It was to solve the problem of information redundancy. This article drew on a method of state estimation on the primary-system and used the calculation of measurement-equation residuals to identify and eliminate bad data to complete the information fault-tolerance function. The diagrams illustrated the process of information interaction in the secondary-system, and introduced the configuration mode of relay protection in smart substations. Through simulation and verification, using the method of residual identification to perform protection fault-tolerance can effectively prevent the protection against misoperation caused by bad data, improve the credibility of data, and promote the reliability of the protection.
引用
收藏
页码：16 / 20
页数：5
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