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A multi-agent Based Fault Location Detection of Distribution Network with Distributed Generations

In current distribution automations design, fault flags generated by overcurrent relays are used to detect the feeder fault section. With the integration of distributed generations (DG), fault currents could be contributed from different directions and jeopardize the fault detection function. A large fault current contributed by a DG flows from downstream of a feeder could be detected by the overcurrent relay and lead to the confusion in fault detection function. In this thesis, adjunction current measurements and fault flags are utilized to minimize the possibility of mis-identification of fault section. The structure and data flow of a Java agent development framework (JADE) is adopted for feeder fault detection, identification and service restoration (FDIR). Based on information from local measurements and other agents, the FDIR function can be better conducted by local agents. Test results indicate that multi-agent systems can be used to improve system reliability and reduce service interruption time.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0724109-104846
Date24 July 2009
CreatorsWang, Chin-hsien
ContributorsChao-Shun Chen, Chan-Nan LU, Chia-Hung Lin, Men-Shen Tsai
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageCholon
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0724109-104846
Rightsunrestricted, Copyright information available at source archive

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