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DC link Current Ripple Reduction for Five-level Hybrid ANPC Converters Using Double-based PWM Switching method
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Publication Year
2023-01-01
Journal
ICPE 2023-ECCE Asia - 11th International Conference on Power Electronics - ECCE Asia: Green World with Power Electronics
Publisher
Institute of Electrical and Electronics Engineers Inc.
Citation
ICPE 2023-ECCE Asia - 11th International Conference on Power Electronics - ECCE Asia: Green World with Power Electronics, pp.2284-2289
Keyword
Five-level invertersHANPCneutral point currentripple reduction
Mesh Keyword
Current ripplesDc-linkFive level inverterHANPCLifespansNeutral point currentNeutral pointsPoint currentsRipple reduction
All Science Classification Codes (ASJC)
Hardware and ArchitectureEnergy Engineering and Power TechnologyElectrical and Electronic Engineering
Abstract
In many applications, the reduction of the current ripple is regarded as a crucial issue due the harmful effects of this parameter on the system. In power converters where higher order of the multilevel inverters is being used, the effects of the current ripple have higher influence and would leads to reducing the expected life-span of the DC link capacitors. In these regards, this paper proposed a creative method to reduce the ripple in the neutral point current for five-level hybrid neutral point clamped (ANPC) inverters. The proposed method depends on modifying the conventional switching sequences by creating a new switching technique. The proposed method results in efficient reduction in the current ripple and extend the life-span of the DC link capacitors. In addition, the proposed method does not require any change on the hardware or using extra devices. Moreover, the inverter is able to operate at the maximum capability without any limitation over the modulation index. The proposed method is verified using simulation results.
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/37002
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85170650274&origin=inward
DOI
https://doi.org/10.23919/icpe2023-ecceasia54778.2023.10213834
Journal URL
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=10213399
Type
Conference
Funding
This work was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) and the Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea (No. 20225500000110).
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Lee, Kyo-Beum이교범
Department of Electrical and Computer Engineering
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