Three-Phase Space Vector PWM Inverter for Induction Motor Drive with Leakage Current Reduction

Gerardo Vazquez-Guzman, Panfilo R. Martinez-Rodriguez (), Julio C. Rosas-Caro, Emmanuel Rivera-Perez, Juan A. Verdin-Cruz, Christopher J. Rodriguez-Cortes and Diego Langarica-Cordoba
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Gerardo Vazquez-Guzman: Coordinacion para la Innovacion y Aplicacion de la Ciencia y la Tecnologia (CIACyT), Universidad Autonoma de San Luis Potosi (UASLP), San Luis Potosi 78000, San Luis Potosi, Mexico
Panfilo R. Martinez-Rodriguez: School of Sciences, Universidad Autonoma de San Luis Potosi (UASLP), San Luis Potosi 78295, San Luis Potosi, Mexico
Julio C. Rosas-Caro: Facultad de Ingenieria, Universidad Panamericana, Zapopan 45010, Jalisco, Mexico
Emmanuel Rivera-Perez: Coordinacion para la Innovacion y Aplicacion de la Ciencia y la Tecnologia (CIACyT), Universidad Autonoma de San Luis Potosi (UASLP), San Luis Potosi 78000, San Luis Potosi, Mexico
Juan A. Verdin-Cruz: School of Sciences, Universidad Autonoma de San Luis Potosi (UASLP), San Luis Potosi 78295, San Luis Potosi, Mexico
Christopher J. Rodriguez-Cortes: School of Sciences, Universidad Autonoma de San Luis Potosi (UASLP), San Luis Potosi 78295, San Luis Potosi, Mexico
Diego Langarica-Cordoba: School of Sciences, Universidad Autonoma de San Luis Potosi (UASLP), San Luis Potosi 78295, San Luis Potosi, Mexico

Sustainability, 2025, vol. 17, issue 20, 1-20

Abstract: Several industrial applications rely on induction motors to carry out processes essential for product manufacturing. Speed control of an induction motor commonly requires a pulse width modulated inverter capable of driving a system with long cables, suppression of common mode voltage, reduction in common mode current, and suppression of electromagnetic interference. This paper proposes a three-phase motor drive aimed at maintaining a constant common-mode voltage. The proposed system consists of two three-phase conventional full bridge inverters connected in parallel and having as an input two separate direct current sources. The proposed system is controlled by using the space vector pulse width modulation technique. By properly designing the switching signal sequences for both converters, the common-mode voltage can be maintained constant, thereby reducing the associated common-mode current to an RMS value of 92.3 mA and enhancing the overall reliability of the system. The proposed system is validated through numerical simulations and by the implementation of an experimental prototype.

Keywords: common mode voltage; induction machine; leakage ground current; space vector PWM; three-phase PWM inverter (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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