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A New Unity-Gain 5-Level Active Neutral-Point-Clamped (UG-5L-ANPC) Inverter
  • Lee, Sze Sing ;
  • Lim, Chee Shen ;
  • Siwakoti, Yam P. ;
  • Idris, Nik Rumzi Nik ;
  • Alsofyani, Ibrahim Mohd ;
  • Lee, Kyo Beum
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Publication Year
2019-10-01
Journal
CENCON 2019 - 2019 IEEE Conference on Energy Conversion
Publisher
Institute of Electrical and Electronics Engineers Inc.
Citation
CENCON 2019 - 2019 IEEE Conference on Energy Conversion, Vol.2019-January, pp.213-217
Keyword
active neutral-point-clamped inverterfive-levelflying capacitormultilevel inverterunity-gain
Mesh Keyword
Active neutral point clampedComprehensive analysisFlying capacitorIndustry applicationsMultilevel inverterOutput voltagesVoltage gainVoltage stress
All Science Classification Codes (ASJC)
Electrical and Electronic EngineeringControl and OptimizationEnergy Engineering and Power TechnologyRenewable Energy, Sustainability and the Environment
Abstract
The active neutral-point-clamped (ANPC) inverter is a popular multilevel inverter for various industry applications. In a recent attempt, an improved topology that integrates a flying capacitor to enhance the voltage gain from half to unity has been presented [11]. Retaining the benefit of unity-gain, this paper proposes a new ANPC topology with two improvements. Firstly, the voltage stress of the flying capacitor is reduced by half. Secondly, the charging of the flying capacitor at 0 level is made possible to achieve uniform charging over the power cycle. Comprehensive analysis is presented and experimental results of a prototype are presented for validation. Finally, the extension of the topology with increased number of output voltage levels generation is briefly discussed.
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/36424
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85084487703&origin=inward
DOI
https://doi.org/10.1109/cencon47160.2019.8974836
Journal URL
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=8966555
Type
Conference
Funding
ACKNOWLEDGMENT This work is supported by the Malaysian Ministry of Higher Education under Fundamental Research Grant Scheme (FRGS/1/2018/TK04/USMC/02 /1).
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