A Fault Location Method for Feeder Automation Based on Fault Probability

被引：0
|
作者：
Lin, Yufeng [1 ]
Sun, Mingjie [1 ]
Guo, Yiyun [1 ]
Chen, Yongzhi [1 ]
Xu, Yuhang [1 ]
Gao, Junyan [1 ]
Zhang, Wei [2 ]
机构：
[1] State Grid Xiamen Elect Power Supply Co, Xiamen, Peoples R China
[2] Jicheng Elect Corp, Power Grid Dept, Jinan, Shandong, Peoples R China
来源：
2017 4TH INTERNATIONAL CONFERENCE ON ELECTRICAL AND ELECTRONIC ENGINEERING (ICEEE 2017) | 2017年
关键词：
distribution network; fault probability; fault indicator; fault location;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In order to solve the problem of distribution-feeder-automation fault-location in cases of misreporting or failed-reports of fault information, the characteristics of the fault indicator are analyzed, and the concept of the minimum fault location area of the distribution network is developed. Based on which, the mathematical model of fault location is evaluated. The characteristics of fault indicator signals are analyzed. Based on the two-in-three principle, a probabilistic fault-indicator combination-signal processing method is proposed. Based on the combination of the minimum fault-location area-model, the fault-indicator combination-signal and the interdependence between the fault indicators, a fault location method based on fault probability is proposed. The method is based on the similarity between the simulated fault signal and the real fault signal, and the detailed formula is given. The method has good fault-tolerance in the case of misreporting of, or of a failed-report of, fault information, and can more accurately determine the fault area. The fault probability of each area is given, and fault alternatives are provided. The proposed approach is feasible and valuable for the dispatching of maintenance personnel to deal with the fault.
引用
收藏
页码：120 / 123
页数：4
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