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Application of three-phase modular multilevel converter (MMC) in co-phase traction power supply system
Zhao Y.2; Dai N.1; Wang B.2
2014
Conference NameIEEE Transportation Electrification Conference and Expo (ITEC Asia-Pacific)
Source PublicationIEEE Transportation Electrification Conference and Expo, ITEC Asia-Pacific 2014 - Conference Proceedings
Conference DateAUG 31-SEP 03, 2014
Conference PlaceBeijing
CountryChina
Author of SourceIEEE
Publication Place345 E 47TH ST, NEW YORK, NY 10017 USA
PublisherIEEE
Abstract

Co-phase traction power supply system was proposed for supplying the long-distance electrified railway without neutral sections. Active power conditioner (APC) is required in each substation, so that the traction loads are supplied without deteriorates the power quality at the grid side. The back-to-back converter was used to implement the APC in the past studies. However, bulky and costly coupling transformers have to be used. In this paper, the APC is implemented by using a three-phase modular multilevel converter (MMC). The MMC allows a simple cascading of sub-modules and the output voltage level can be easily increased. As a result, no coupling transformer is required. The proposed APC using MMC compensates reactive power, harmonics and unbalance currents of the traction loads. Simulation results are provided to show the validity of the proposed system and its control.

KeywordCo-phase Traction Power Supply System Modular Multilevel Converter (Mmc) Power Quality
DOI10.1109/ITEC-AP.2014.6941064
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Transportation
WOS SubjectEngineering, Electrical & Electronic ; Transportation Science & Technology
WOS IDWOS:000349676803066
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Citation statistics
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Universidade de Macau
2.Southeast University
Recommended Citation
GB/T 7714
Zhao Y.,Dai N.,Wang B.. Application of three-phase modular multilevel converter (MMC) in co-phase traction power supply system[C]//IEEE. 345 E 47TH ST, NEW YORK, NY 10017 USA:IEEE,2014.
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