Fault Diagnosis with False and/or Missing Alarms in Distribution Systems with Distributed Generators

Guang Shen, Yong Zhang, Haifeng Qiu, Chongyu Wang, Fushuan Wen, Md. Abdus Salam, Liguo Weng, Bin Yu and Jie Chen
Additional contact information
Guang Shen: State Grid Hangzhou Xiaoshan Power Supply Company, Beiganshan Road 12, Hangzhou 311201, China
Yong Zhang: State Grid Ningbo Power Supply Company, No. 1408 Liyuanbei Rd., Ningbo 315000, China
Haifeng Qiu: State Grid Hangzhou Xiaoshan Power Supply Company, Beiganshan Road 12, Hangzhou 311201, China
Chongyu Wang: School of Electrical Engineering, Zhejiang University, No. 38 Zheda Rd., Hangzhou 310027, China
Fushuan Wen: Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Vietnam
Md. Abdus Salam: Department of Electrical and Electronic Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan BE1410, Brunei
Liguo Weng: State Grid Hangzhou Xiaoshan Power Supply Company, Beiganshan Road 12, Hangzhou 311201, China
Bin Yu: State Grid Hangzhou Xiaoshan Power Supply Company, Beiganshan Road 12, Hangzhou 311201, China
Jie Chen: State Grid Hangzhou Xiaoshan Power Supply Company, Beiganshan Road 12, Hangzhou 311201, China

Energies, 2018, vol. 11, issue 10, 1-12

Abstract: A comprehensive method is presented in this work to locate faults in distribution systems with distributed generators (DGs). A two-level model is developed for this purpose with both telecommunication and telemetering data employed, so as to make good use of fused information for attaining a more credible optimization solution under scenarios with alarm distortions of feeder terminal units (FTUs) or loss during communication. First, at the upper level, an analytic model is developed to search all potential faulted sections/candidates based on the telecommunication data. Then, on the lower level, a model is presented using the telemetering data to identify the most likely fault location from the candidates provided by the upper model. The essential features of the two-level diagnosis model are demonstrated through a number of case studies. Simulation results have shown that the proposed approach is capable of not only locating the faulted section(s) in a distribution system with DGs but also identifying false and/or missing alarms.

Keywords: distribution system; fault location; distributed generator; two-level model (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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