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Volume 14
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Article

Common-Mode Voltage Harmonic Reduction in Variable Speed Drives Applying a Variable-Angle Carrier Phase-Displacement PWM Method

by
Abraham Marquez Alcaide
1,*,†,
Vito Giuseppe Monopoli
2,†,
Xuchen Wang
3,†,
Jose I. Leon
1,4,†,
Giampaolo Buticchi
3,†,
Sergio Vazquez
1,†,
Marco Liserre
5,† and
Leopoldo G. Franquelo
1,4,†
1
Electronic Engineering Department, Universidad de Sevilla, 41004 Sevilla, Spain
2
Department of Electrical and Information Engineering, Politecnico di Bari, 70126 Bari, Italy
3
Zhejiang Key Laboratory on the More Electric Aircraft Technologies, University of Nottingham Ningbo China, Ningbo 315100, China
4
Department of Control Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
5
Power Electronics Department, Christian-Albrechts Universität zu Kiel, 24118 Kiel, Germany
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Energies 2021, 14(10), 2929; https://doi.org/10.3390/en14102929
Submission received: 6 April 2021 / Revised: 4 May 2021 / Accepted: 5 May 2021 / Published: 19 May 2021
(This article belongs to the Special Issue Analysis of the Harmonic Performance of Power Converters and Electrical Drives)
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Abstract

Electric variable speed drives (VSD) have been replacing mechanic and hydraulic systems in many sectors of industry and transportation because of their better performance and reduced cost. However, the electric systems still face the issue of being considered less reliable than the mechanical ones. For this reason, researchers have been actively investigating effective ways to increase the reliability of such systems. This paper is focused on the analysis of the common-mode voltage (CMV) generated by the operation of the VSDs which directly affects to the lifetime and reliability of the complete system. The method is based on the mathematical description of the harmonic spectrum of the CMV depending on the PWM method implementation. A generalized PWM method where the carriers present a variable phase-displacement is developed. As a result of the presented analysis, the CMV reduction is achieved by applying the PWM method with optimal carrier phase-displacement angles without any external component and/or passive filtering technique. The optimal values of the carrier phase-displacement angles are obtained considering the minimization of the CMV total harmonic distortion. The resulting method is easily implementable on mostly off-the-shelf mid-range micro-controller control platforms. The strategy has been evaluated in a scaled-down experimental setup proving its good performance.
Keywords: power converters; harmonic distortion; pulse-width modulation; metaheuristic search algorithms power converters; harmonic distortion; pulse-width modulation; metaheuristic search algorithms

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MDPI and ACS Style

Marquez Alcaide, A.; Monopoli, V.G.; Wang, X.; Leon, J.I.; Buticchi, G.; Vazquez, S.; Liserre, M.; Franquelo, L.G. Common-Mode Voltage Harmonic Reduction in Variable Speed Drives Applying a Variable-Angle Carrier Phase-Displacement PWM Method. Energies 2021, 14, 2929. https://doi.org/10.3390/en14102929

AMA Style

Marquez Alcaide A, Monopoli VG, Wang X, Leon JI, Buticchi G, Vazquez S, Liserre M, Franquelo LG. Common-Mode Voltage Harmonic Reduction in Variable Speed Drives Applying a Variable-Angle Carrier Phase-Displacement PWM Method. Energies. 2021; 14(10):2929. https://doi.org/10.3390/en14102929

Chicago/Turabian Style

Marquez Alcaide, Abraham, Vito Giuseppe Monopoli, Xuchen Wang, Jose I. Leon, Giampaolo Buticchi, Sergio Vazquez, Marco Liserre, and Leopoldo G. Franquelo. 2021. "Common-Mode Voltage Harmonic Reduction in Variable Speed Drives Applying a Variable-Angle Carrier Phase-Displacement PWM Method" Energies 14, no. 10: 2929. https://doi.org/10.3390/en14102929

APA Style

Marquez Alcaide, A., Monopoli, V. G., Wang, X., Leon, J. I., Buticchi, G., Vazquez, S., Liserre, M., & Franquelo, L. G. (2021). Common-Mode Voltage Harmonic Reduction in Variable Speed Drives Applying a Variable-Angle Carrier Phase-Displacement PWM Method. Energies, 14(10), 2929. https://doi.org/10.3390/en14102929

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