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Constant common-mode voltage strategies using sigma-delta modulators in five-phase VSI

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Acosta Cambranis, Fernando GeovanyMés informacióMés informació
Zaragoza Bertomeu, JordiMés informacióMés informacióMés informació
Berbel Artal, NéstorMés informacióMés informacióMés informació
Capellá Frau, Gabriel JoséMés informacióMés informacióMés informació
Romeral Martínez, José LuisMés informacióMés informacióMés informació
Document typeArticle
Defense date2022-05-03
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
ProjectSISTEMA DE CONVERSION DE POTENCIA DC%2FDC AISLADO MULTIPUERTO DE ALTA EFICIENCIA Y DENSIDAD DE POTENCIA BASADO EN DISPOSITIVOS DE AMPLIO ANCHO DE BANDA PARA VEHICULOS ELECTRICOS (AEI-PID2019-111420RB-I00)
Abstract
This paper proposes and studies different sigma-delta () modulation strategies for obtaining a constant common-mode voltage (CMV) by eliminating the CMV level transitions in a five-phase voltage source inverter (VSI). These techniques are based on choosing vectors that generate a constant CMV with values of 0.1Vdc or 0.1Vdc. Because of the high-switching frequencies used with wide-bandgap semiconductors, pulse-width modulation (PWM) techniques continually generate high dv/dt values. Therefore, the proposal to combine a modulation strategy with vector selections achieves: 1) a constant CMV level due to the elimination of its level transitions; 2) a reduction in conducted electromagnetic interference; and 3) a high-efficiency converter operation. The average number of switching per transistor of the VSI is analyzed using the results from Matlab/Simulink and PLECS simulations. Experimental results are obtained by applying the proposed modulation strategies on a VSI with silicon carbide (SiC) MOSFETs. The results demonstrate the achievement of the aforementioned features.
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© 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes,creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
CitationAcosta, F. [et al.]. Constant common-mode voltage strategies using sigma-delta modulators in five-phase VSI. "IEEE transactions on industrial electronics", 3 Maig 2022, 
URIhttp://hdl.handle.net/2117/371069
DOI10.1109/TIE.2022.3170617
ISSN1557-9948
Publisher versionhttps://ieeexplore.ieee.org/document/9767578
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  • Doctorat en Enginyeria Electrònica - Articles de revista [115]
  • MCIA - Motion Control and Industrial Applications Research Group - Articles de revista [209]
  • Departament d'Enginyeria Electrònica - Articles de revista [1.603]
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