Application of expert system based on mixing reasoning in traction substation fault diagnosis

Author

Shaofeng, Xie ; Qunzhan, Li

Author_Institution

Sch. of Electr. Eng., Southwest Jiaotong Univ., Chengdu, China

fYear

2002

fDate

6-7 Nov. 2002

Firstpage

229

Lastpage

232

Abstract

When there is a fault in traction substation the fault components and their reasons are required to be identified by operators quickly and accurately. A fault diagnosis expert system based on mixing reasoning is built in this paper. It can reason according to logical relations of relay protection and breakers and fault waveform of voltage and current provided by Fault Record System (FRS). Mistrip and failure to trip of relay protection and breakers can both be distinguished The reasoning result has a good credibility. Traction substation fault diagnosis expert system may be used as a module of integrated automation.

Keywords

diagnostic expert systems; diagnostic reasoning; fault diagnosis; power system analysis computing; railways; traction power supplies; Fault Record System; electrified railroad; fault diagnosis expert system; fault waveform; integrated automation; logical relations; reasoning; relay protection; traction substation fault diagnosis; Databases; Decision making; Diagnostic expert systems; Fault diagnosis; Libraries; Protective relaying; Railway electrification; Substations; Topology; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Autonomous Decentralized System, 2002. The 2nd International Workshop on

Print_ISBN

0-7803-7624-2

Type

conf

DOI

10.1109/IWADS.2002.1194676

Filename

1194676