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A comparative study between AI-HM and SPD-HM for railway auxiliary inverter with pulsating DC-Link

A comparative study between AI-HM and SPD-HM for railway auxiliary inverter with pulsating DC-Link
A comparative study between AI-HM and SPD-HM for railway auxiliary inverter with pulsating DC-Link
High frequency isolated dc–ac converters are becoming popular in on-board auxiliary inverters for railway applications. Compared to conventional fixed dc-link inverter (FDCLI), pulse dc-link inverter (PDCLI) has simpler circuit topology and higher power density, but greatly different control algorithm. This paper is going to study the application possibility of PDCLI for railway auxiliary inverter, and will be concerned with algorithm and their performance comparison between approximately independent hybrid modulation (AI-HM) and six-pulse demodulation hybrid modulation for PDCLIs, including fundamental principle and harmonic performance of output voltage under zero portion effect. Then a piecewise compensation of modulation wave and a carrier phase-shift strategy are proposed to improve the output voltage quality of AI-HM under zero portion effect. The simulation and experimental results, as well as the output filter parameter comparison are provided to verify the theoretical analysis and the feasibility of the proposed strategies.
0278-0046
5816-5825
Diao, Lijun
b7b4c497-034c-4966-98a9-cc45bbcd6e96
Du, Huiqing
9e6f46f1-8de1-44ba-bb85-ef7b79da7806
Liu, Zhigang
ad3cf392-c978-4476-b469-910850460823
Shu, Zhan
ea5dc18c-d375-4db0-bbcc-dd0229f3a1cb
Sharkh, Suleiman
c8445516-dafe-41c2-b7e8-c21e295e56b9
Diao, Lijun
b7b4c497-034c-4966-98a9-cc45bbcd6e96
Du, Huiqing
9e6f46f1-8de1-44ba-bb85-ef7b79da7806
Liu, Zhigang
ad3cf392-c978-4476-b469-910850460823
Shu, Zhan
ea5dc18c-d375-4db0-bbcc-dd0229f3a1cb
Sharkh, Suleiman
c8445516-dafe-41c2-b7e8-c21e295e56b9

Diao, Lijun, Du, Huiqing, Liu, Zhigang, Shu, Zhan and Sharkh, Suleiman (2018) A comparative study between AI-HM and SPD-HM for railway auxiliary inverter with pulsating DC-Link. IEEE Transactions on Industrial Electronics, 65 (7), 5816-5825. (doi:10.1109/TIE.2017.2782199).

Record type: Article

Abstract

High frequency isolated dc–ac converters are becoming popular in on-board auxiliary inverters for railway applications. Compared to conventional fixed dc-link inverter (FDCLI), pulse dc-link inverter (PDCLI) has simpler circuit topology and higher power density, but greatly different control algorithm. This paper is going to study the application possibility of PDCLI for railway auxiliary inverter, and will be concerned with algorithm and their performance comparison between approximately independent hybrid modulation (AI-HM) and six-pulse demodulation hybrid modulation for PDCLIs, including fundamental principle and harmonic performance of output voltage under zero portion effect. Then a piecewise compensation of modulation wave and a carrier phase-shift strategy are proposed to improve the output voltage quality of AI-HM under zero portion effect. The simulation and experimental results, as well as the output filter parameter comparison are provided to verify the theoretical analysis and the feasibility of the proposed strategies.

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More information

Accepted/In Press date: 21 November 2017
e-pub ahead of print date: 12 December 2017
Published date: July 2018

Identifiers

Local EPrints ID: 418905
URI: http://eprints.soton.ac.uk/id/eprint/418905
ISSN: 0278-0046
PURE UUID: 61060bb9-eee6-41fe-b576-a1d15df3af98
ORCID for Zhan Shu: ORCID iD orcid.org/0000-0002-5933-254X

Catalogue record

Date deposited: 23 Mar 2018 17:31
Last modified: 07 Oct 2020 01:59

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