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Article: Practical model for large-scale AC-DC system power flow calculation

TitlePractical model for large-scale AC-DC system power flow calculation
Authors
KeywordsAC-DC power flow calculation
High voltage direct current (HVDC) transmission
Interior point method
Minimization technology
Newton-Raphson method
Optimal multiplier
Issue Date2011
PublisherZhongguo Dianji Gongcheng Xuehui. The Journal's web site is located at http://www.dwjs.com.cn
Citation
Zhongguo Dianji Gongcheng Xuebao/Proceedings Of The Chinese Society Of Electrical Engineering, 2011, v. 31 n. 10, p. 95-101 How to Cite?
AbstractThis paper proposes a robust, non-divergent model for large-scale AC-DC power flow calculation. By introducing relaxation parameters into power flow equations, the conventional power flow model was turned into a non-linear programming model to minimize the sum of squares of the relaxation parameters with operation constrains and DC station control modes. The interior point method (IPM) was used to solve the model. The dimension of the correction equations was reduced into the same size as that of conventional Newton-Raphson method. Cholesky factorization with approximation minimum degree (AMD) algorithm was utilized to solve the correction equations to improve the implementation efficiency. The proposed model and algorithm have the following features: 1) no special start process is needed; 2) it has strong robustness for power grids with plenty of small or negative impedance branches; 3) it has robust convergent property in the feasible region, around the boundary of the feasible region and beyond the feasible region. Power flow calculation on test system with 6891 buses and 8 high voltage direct current (HVDC) transmission lines validated the efficiency of the proposed algorithm. © 2011 Chinese Society for Electrical Engineering.
Persistent Identifierhttp://hdl.handle.net/10722/135091
ISSN
2015 SCImago Journal Rankings: 0.881
References

 

DC FieldValueLanguage
dc.contributor.authorQin, Zen_HK
dc.contributor.authorHou, Yen_HK
dc.contributor.authorWu, FFen_HK
dc.date.accessioned2011-07-27T01:28:16Z-
dc.date.available2011-07-27T01:28:16Z-
dc.date.issued2011en_HK
dc.identifier.citationZhongguo Dianji Gongcheng Xuebao/Proceedings Of The Chinese Society Of Electrical Engineering, 2011, v. 31 n. 10, p. 95-101en_HK
dc.identifier.issn0258-8013en_HK
dc.identifier.urihttp://hdl.handle.net/10722/135091-
dc.description.abstractThis paper proposes a robust, non-divergent model for large-scale AC-DC power flow calculation. By introducing relaxation parameters into power flow equations, the conventional power flow model was turned into a non-linear programming model to minimize the sum of squares of the relaxation parameters with operation constrains and DC station control modes. The interior point method (IPM) was used to solve the model. The dimension of the correction equations was reduced into the same size as that of conventional Newton-Raphson method. Cholesky factorization with approximation minimum degree (AMD) algorithm was utilized to solve the correction equations to improve the implementation efficiency. The proposed model and algorithm have the following features: 1) no special start process is needed; 2) it has strong robustness for power grids with plenty of small or negative impedance branches; 3) it has robust convergent property in the feasible region, around the boundary of the feasible region and beyond the feasible region. Power flow calculation on test system with 6891 buses and 8 high voltage direct current (HVDC) transmission lines validated the efficiency of the proposed algorithm. © 2011 Chinese Society for Electrical Engineering.en_HK
dc.languageengen_US
dc.publisherZhongguo Dianji Gongcheng Xuehui. The Journal's web site is located at http://www.dwjs.com.cnen_HK
dc.relation.ispartofZhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineeringen_HK
dc.subjectAC-DC power flow calculationen_HK
dc.subjectHigh voltage direct current (HVDC) transmissionen_HK
dc.subjectInterior point methoden_HK
dc.subjectMinimization technologyen_HK
dc.subjectNewton-Raphson methoden_HK
dc.subjectOptimal multiplieren_HK
dc.titlePractical model for large-scale AC-DC system power flow calculationen_HK
dc.typeArticleen_HK
dc.identifier.emailHou, Y: yhhou@hku.hken_HK
dc.identifier.emailWu, FF: ffwu@eee.hku.hken_HK
dc.identifier.authorityHou, Y=rp00069en_HK
dc.identifier.authorityWu, FF=rp00194en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-79955949698en_HK
dc.identifier.hkuros186666en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79955949698&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume31en_HK
dc.identifier.issue10en_HK
dc.identifier.spage95en_HK
dc.identifier.epage101en_HK
dc.publisher.placeChinaen_HK
dc.identifier.scopusauthoridQin, Z=24922175300en_HK
dc.identifier.scopusauthoridHou, Y=7402198555en_HK
dc.identifier.scopusauthoridWu, FF=7403465107en_HK

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