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Hybrid Cascaded Multilevel Converter for Medium-voltage Large-capacity Applications
Xin WEN; Ningyi DAI; Man Chung WONG; Chi Kong WONG
2011
Conference NameAnnual IEEE India Conference - Engineering Sustainable Solutons
Source PublicationProceedings - 2011 Annual IEEE India Conference: Engineering Sustainable Solutions, INDICON-2011
Conference Date16-18 Dec. 2011
Conference PlaceBITS Pilani, Hyderabad Campus, Hyderabad
CountryINDIA
Author of SourceIEEE; IEEE India Council; IEEE Hyderabad Sect
Publication Place345 E 47TH ST, NEW YORK, NY 10017 USA
PublisherIEEE
Abstract

Multilevel converters are particularly suitable to be used in medium to high voltage applications, such as in a Railway Power Compensator (RPC), since they can give better quality outputs and reach higher voltage rates compared with two-level converters. In this paper, a novel 6-stage hybrid cascaded multilevel converter for medium-voltage large-capacity applications is proposed. It can reach the voltage rate of 30 kV with minimum step of 2 kV so that the RPCs using it can be connected directly to the traction system without coupling transformers. It is a 31-level converter, which could reduce the harmonic contents in the output waveforms. However, the number of cascaded stages of it is much less compared with the ones using traditional cascading methods. The corresponding control method for the proposed converter is also designed. Simulation and hardware testing results are also provided to show the validity of the proposed hybrid multilevel converter and its control strategy. 

KeywordDirect-pwm Hybrid Cascaded Multilevel Converter Hybrid Pwm Railway Power Compensator ((Rpc)
DOIhttps://doi.org/10.1109/INDCON.2011.6139540
URLView the original
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Interdisciplinary Applications ; Engineering, Electrical & Electronic
WOS IDWOS:000394020400216
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Document TypeConference paper
专题DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
AffiliationDepartment of Electrical and Electronics Engineering Faculty of Science and Technology, University of Macau Macau S.A.R., CHINA
First Author AffilicationFaculty of Science and Technology
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Xin WEN,Ningyi DAI,Man Chung WONG,et al. Hybrid Cascaded Multilevel Converter for Medium-voltage Large-capacity Applications[C]//IEEE; IEEE India Council; IEEE Hyderabad Sect. 345 E 47TH ST, NEW YORK, NY 10017 USA:IEEE,2011.
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