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Modulation methods based on phase-shifted PWM for H- bridge multilevel inverters
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Publication Year
2020-11-15
Journal
2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020
Publisher
Institute of Electrical and Electronics Engineers Inc.
Citation
2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020, pp.189-193
Keyword
Cascaded H-bridge multilevel inverterPhase-shifted pulse width modulation methodSwitching loss reductionTotal harmonic distortionVoltage vector
Mesh Keyword
Cascaded h-bridge multilevel invertersConduction lossModulation methodsModulation schemesMultilevel inverterPhase-shifted PWMPower semiconductor switchesTotal harmonic distortion (THD)
All Science Classification Codes (ASJC)
Electrical and Electronic EngineeringComputer Networks and CommunicationsComputer Science ApplicationsEnergy Engineering and Power TechnologyControl and Optimization
Abstract
This paper analyzes the modulation methods based on phase-shifted PWM (PS-PWM) scheme for cascaded H-bridge multilevel inverter (CHMI). The PS-PWM scheme is one of the modulation schemes for CHMI and it generates same power loss such as switching loss and conduction loss on each cell. However, the PS-PWM scheme leads to the most switching loss than the other schemes for CHMI. Because the switching loss causes failure of power semiconductor switch, it should reduce for reliability of CHMI. In this paper, it is compared and discussed that total harmonic distortion (THD) of modulation methods based on PS-PWM scheme for reducing switching loss. To analyze characteristic each modulation method, the simulation of 3-phase 5-level CHMI is conducted.
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/36605
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85099312210&origin=inward
DOI
https://doi.org/10.1109/wow47795.2020.9291272
Journal URL
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=9290776
Type
Conference
Funding
ACKNOWLEDGMENT This work was supported by Korea Institute of Energy Technology Evaluation and Plannig(KETEP) and the Ministry of Trade, Industry & Energy(MOTIE) of the Republic of Korea (No. 20206910100160)
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Lee, Kyo-Beum이교범
Department of Electrical and Computer Engineering
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