A New SVM Strategy to Suppress Total Harmonic Distortion and Current Stress in HFLMCs

Hu, Y; Jin, P; Guo, Y; Lei, G; Zhu, J

A New SVM Strategy to Suppress Total Harmonic Distortion and Current Stress in HFLMCs

Hu, Y Jin, P Guo, Y Lei, G

Zhu, J

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Transactions on Industrial Electronics, 2023, PP, (99)
Issue Date:: 2023-01-01

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Field	Value	Language
dc.contributor.author	Hu, Y
dc.contributor.author	Jin, P
dc.contributor.author	Guo, Y
dc.contributor.author	Lei, G https://orcid.org/0000-0002-8369-6802
dc.contributor.author	Zhu, J
dc.date.accessioned	2024-02-08T11:10:24Z
dc.date.available	2024-02-08T11:10:24Z
dc.date.issued	2023-01-01
dc.identifier.citation	IEEE Transactions on Industrial Electronics, 2023, PP, (99)
dc.identifier.issn	0278-0046
dc.identifier.issn	1557-9948
dc.identifier.uri	http://hdl.handle.net/10453/175496
dc.description.abstract	High-frequency link matrix converters (HFLMCs) can transfer dc to ac with only one power conversion stage and without intermediate energy storage components. However, the space vector modulation (SVM) strategies and control methods in conventional HFLMCs produce excessive harmonics in the three-phase output currents and high current stress in the primary side of the isolated high-frequency transformers (HFTs). This article proposes a new optimal vector distribution SVM strategy, which maintains low switching action and reduces output current harmonic. The HFLMC's transmission power and the HFT's current stress with the proposed SVM strategy are analyzed, and a coordinated control method coupled with the modulation index and phase shift angle is determined. The proposed SVM strategy and the coordinated control can realize smaller total harmonic distortion (THD) of three-phase currents and lower HFT's current stress than the conventional SVM strategy. The simulation and experiment results confirm a low THD of 3.71% in the output current and a remarkable decrease of the current stress (2.5 to 3 A) in the HFT.
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartof	IEEE Transactions on Industrial Electronics
dc.relation.isbasedon	10.1109/TIE.2023.3337501
dc.rights	info:eu-repo/semantics/embargoedAccess
dc.subject	08 Information and Computing Sciences, 09 Engineering
dc.subject.classification	Electrical & Electronic Engineering
dc.subject.classification	40 Engineering
dc.subject.classification	46 Information and computing sciences
dc.title	A New SVM Strategy to Suppress Total Harmonic Distortion and Current Stress in HFLMCs
dc.type	Journal Article
utslib.citation.volume	PP
utslib.for	08 Information and Computing Sciences
utslib.for	09 Engineering
pubs.organisational-group	University of Technology Sydney
pubs.organisational-group	University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	embargoed	*
utslib.copyright.embargo	2025-01-01T00:00:00+1000Z
dc.date.updated	2024-02-08T11:10:22Z
pubs.issue	99
pubs.publication-status	Published
pubs.volume	PP
utslib.citation.issue	99

Abstract:

High-frequency link matrix converters (HFLMCs) can transfer dc to ac with only one power conversion stage and without intermediate energy storage components. However, the space vector modulation (SVM) strategies and control methods in conventional HFLMCs produce excessive harmonics in the three-phase output currents and high current stress in the primary side of the isolated high-frequency transformers (HFTs). This article proposes a new optimal vector distribution SVM strategy, which maintains low switching action and reduces output current harmonic. The HFLMC's transmission power and the HFT's current stress with the proposed SVM strategy are analyzed, and a coordinated control method coupled with the modulation index and phase shift angle is determined. The proposed SVM strategy and the coordinated control can realize smaller total harmonic distortion (THD) of three-phase currents and lower HFT's current stress than the conventional SVM strategy. The simulation and experiment results confirm a low THD of 3.71% in the output current and a remarkable decrease of the current stress (2.5 to 3 A) in the HFT.

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http://hdl.handle.net/10453/175496