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An Improved Phase-Disposition Pulse Width Modulation Method for Hybrid Modular Multilevel Converter.

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Title: An Improved Phase-Disposition Pulse Width Modulation Method for Hybrid Modular Multilevel Converter.
Authors: Zhou, Fayun1,2 (AUTHOR), Xiang, Xinxing1,2 (AUTHOR) zkdqxxx@163.com, Ma, Fujun1 (AUTHOR), Wang, Yichao1 (AUTHOR), Zhou, Fangyuan3 (AUTHOR), Peng, Peng2 (AUTHOR)
Source: Energies (19961073). Feb2023, Vol. 16 Issue 3, p1192. 25p.
Subjects: Pulse width modulation, Direct current circuits, Harmonic analysis (Mathematics), Fourier integrals, Fourier analysis
Abstract: The hybrid modular multilevel converter (MMC) consisting of half-bridge submodules (HBSMs) and full-bridge submodules (FBSMs) is a promising solution for overhead lines high-voltage direct current systems (HVDC) due to the advantages of direct current short circuit fault ride-through (DC-FRT) capability. This paper proposes an improved phase-disposition pulse width modulation (PDPWM) method for the hybrid modular multilevel converter. The number of carriers can be reduced from 3N (N is the number of submodules in each arm) to 6. The theoretical harmonic analysis of the improved PDPWM method for hybrid MMC is performed by using double Fourier integral analysis. The influence of three carrier displacement angles between HBSMs and FBSMs in the upper and lower arms on harmonic characteristics is investigated. The output voltage harmonics minimization PDPWM scheme and circulating current harmonics cancellation PDPWM scheme can be achieved by selecting the optimum carrier displacement angles, respectively. The proposed method for hybrid MMC is verified by the simulation and experimental results. [ABSTRACT FROM AUTHOR]
Copyright of Energies (19961073) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Header DbId: egs
DbLabel: Engineering Source
An: 161820226
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PubTypeId: academicJournal
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  Data: An Improved Phase-Disposition Pulse Width Modulation Method for Hybrid Modular Multilevel Converter.
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  Data: <searchLink fieldCode="AR" term="%22Zhou%2C+Fayun%22">Zhou, Fayun</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xiang%2C+Xinxing%22">Xiang, Xinxing</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> zkdqxxx@163.com</i><br /><searchLink fieldCode="AR" term="%22Ma%2C+Fujun%22">Ma, Fujun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Yichao%22">Wang, Yichao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Fangyuan%22">Zhou, Fangyuan</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Peng%2C+Peng%22">Peng, Peng</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Feb2023, Vol. 16 Issue 3, p1192. 25p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Pulse+width+modulation%22">Pulse width modulation</searchLink><br /><searchLink fieldCode="DE" term="%22Direct+current+circuits%22">Direct current circuits</searchLink><br /><searchLink fieldCode="DE" term="%22Harmonic+analysis+%28Mathematics%29%22">Harmonic analysis (Mathematics)</searchLink><br /><searchLink fieldCode="DE" term="%22Fourier+integrals%22">Fourier integrals</searchLink><br /><searchLink fieldCode="DE" term="%22Fourier+analysis%22">Fourier analysis</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: The hybrid modular multilevel converter (MMC) consisting of half-bridge submodules (HBSMs) and full-bridge submodules (FBSMs) is a promising solution for overhead lines high-voltage direct current systems (HVDC) due to the advantages of direct current short circuit fault ride-through (DC-FRT) capability. This paper proposes an improved phase-disposition pulse width modulation (PDPWM) method for the hybrid modular multilevel converter. The number of carriers can be reduced from 3N (N is the number of submodules in each arm) to 6. The theoretical harmonic analysis of the improved PDPWM method for hybrid MMC is performed by using double Fourier integral analysis. The influence of three carrier displacement angles between HBSMs and FBSMs in the upper and lower arms on harmonic characteristics is investigated. The output voltage harmonics minimization PDPWM scheme and circulating current harmonics cancellation PDPWM scheme can be achieved by selecting the optimum carrier displacement angles, respectively. The proposed method for hybrid MMC is verified by the simulation and experimental results. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Energies (19961073) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/en16031192
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        Text: English
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      – SubjectFull: Pulse width modulation
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      – SubjectFull: Direct current circuits
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      – SubjectFull: Harmonic analysis (Mathematics)
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      – SubjectFull: Fourier integrals
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      – SubjectFull: Fourier analysis
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              M: 02
              Text: Feb2023
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              Y: 2023
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