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Hybrid Railway Power Conditioner With Partial Compensation for Converter Rating Reduction
Dai N.Y.; Lao K.-W.; Lam C.-S.
2015-09-01
Source PublicationIEEE Transactions on Industry Applications
ISSN00939994
Volume51Issue:5Pages:4130-4138
Abstract

Single-phase traction transformers are widely used in traction power supply systems due to their characteristics such as a low cost and a simple structure. Railway power conditioners (RPCs) could increase the loading capacity of substations and improve the supply quality. In this paper, a hybrid RPC (HRPC) is applied to reduce reactive power, relieve system unbalance, and suppress harmonics. The operational voltage of the HRPC is much lower than that of a conventional RPC. A method named partial compensation was used to reduce the current rating of the RPC, in which the compensating currents are expressed as a function of the power factor target at the grid side. When this method is used in the HPRC, the operational voltage varies with the compensating currents over a wide range. A comprehensive design procedure is proposed so that both the current and voltage ratings of the HRPC are reduced with partial compensation. A reduction of more than 50% is achieved by compensating the power factor at the grid side to 0.95 instead of to unity. The control block diagram for the HRPC with partial compensation is presented. The design and control of the HRPC are validated by simulation and experimental results.

KeywordPower Conditioning Power Conversion Power Filter Power Quality Rail Transportation Power System
DOI10.1109/TIA.2015.2426134
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Multidisciplinary ; Engineering, Electrical & Electronic
WOS IDWOS:000361682100059
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Citation statistics
Cited Times [WOS]:15   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
INSTITUTE OF MICROELECTRONICS
Corresponding AuthorDai N.Y.; Lao K.-W.; Lam C.-S.
AffiliationUniversidade de Macau
Recommended Citation
GB/T 7714
Dai N.Y.,Lao K.-W.,Lam C.-S.. Hybrid Railway Power Conditioner With Partial Compensation for Converter Rating Reduction[J]. IEEE Transactions on Industry Applications,2015,51(5):4130-4138.
APA Dai N.Y.,Lao K.-W.,&Lam C.-S..(2015).Hybrid Railway Power Conditioner With Partial Compensation for Converter Rating Reduction.IEEE Transactions on Industry Applications,51(5),4130-4138.
MLA Dai N.Y.,et al."Hybrid Railway Power Conditioner With Partial Compensation for Converter Rating Reduction".IEEE Transactions on Industry Applications 51.5(2015):4130-4138.
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