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Conference Paper: Traction system scheduling to minimize harmonic current level at substation by genetic algorithm

TitleTraction system scheduling to minimize harmonic current level at substation by genetic algorithm
Authors
KeywordsHarmonics
Traction System
Genetic Algorithm
Issue Date1999
PublisherIEEE.
Citation
IEEE Power Engineering Society Summer Meeting, Edmonton, Alta, 18-22 July 1999. In IEEE Power Electronics Specialists Conference Record, 1999, v. 1, p. 384-389 How to Cite?
AbstractHarmonics of individual trains are closely related to its loading, speed and operation mode. The harmonic current at substations is the sum of the individual components from all the trains electrically connected to the substation. There will be cancellation of the harmonics if the harmonics are not of the same phase angles. It is possible to schedule the traction system so as to minimize the harmonic distortion, improve the power factor and reduce the harmonic currents at substations. In this study genetic algorithm (GA) is used to find out the optimal schedule of the system with minimum harmonic levels. The optimized solution can be integrated into automatic train operation (ATO) controller to control the departure, speed regulation of each train of the system. Mathematical description of the problem is first presented and the genetic algorithm is introduced. The optimal solution is given at the end of this paper. It is demonstrated that the scheduling of traction system is applicable to harmonic reduction and GA is fit for such kinds of optimization problems. Such method of harmonics reduction can bring about considerable saving in filtering equipment.
Persistent Identifierhttp://hdl.handle.net/10722/46192
ISSN

 

DC FieldValueLanguage
dc.contributor.authorYe, ZMen_HK
dc.contributor.authorLo, WCen_HK
dc.contributor.authorPong, MHen_HK
dc.contributor.authorYuen, KHen_HK
dc.date.accessioned2007-10-30T06:44:29Z-
dc.date.available2007-10-30T06:44:29Z-
dc.date.issued1999en_HK
dc.identifier.citationIEEE Power Engineering Society Summer Meeting, Edmonton, Alta, 18-22 July 1999. In IEEE Power Electronics Specialists Conference Record, 1999, v. 1, p. 384-389en_HK
dc.identifier.issn0160-0141en_HK
dc.identifier.urihttp://hdl.handle.net/10722/46192-
dc.description.abstractHarmonics of individual trains are closely related to its loading, speed and operation mode. The harmonic current at substations is the sum of the individual components from all the trains electrically connected to the substation. There will be cancellation of the harmonics if the harmonics are not of the same phase angles. It is possible to schedule the traction system so as to minimize the harmonic distortion, improve the power factor and reduce the harmonic currents at substations. In this study genetic algorithm (GA) is used to find out the optimal schedule of the system with minimum harmonic levels. The optimized solution can be integrated into automatic train operation (ATO) controller to control the departure, speed regulation of each train of the system. Mathematical description of the problem is first presented and the genetic algorithm is introduced. The optimal solution is given at the end of this paper. It is demonstrated that the scheduling of traction system is applicable to harmonic reduction and GA is fit for such kinds of optimization problems. Such method of harmonics reduction can bring about considerable saving in filtering equipment.en_HK
dc.format.extent493099 bytes-
dc.format.extent9923 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofIEEE Power Electronics Specialists Conference Record-
dc.rights©1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectHarmonicsen_HK
dc.subjectTraction Systemen_HK
dc.subjectGenetic Algorithmen_HK
dc.titleTraction system scheduling to minimize harmonic current level at substation by genetic algorithmen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0160-0141&volume=1&spage=384&epage=389&date=1999&atitle=Traction+system+scheduling+to+minimize+harmonic+current+level+at+substation+by+genetic+algorithmen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/PESS.1999.784379en_HK
dc.identifier.hkuros52493-

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