Elimination of Common Mode Voltage in the Three-To-Nine-Phase Matrix Converter

Janina Rząsa and Elżbieta Sztajmec
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Janina Rząsa: Departament of Power Electronics and Power Engineering, Rzeszow University of Technology, 35-959 Rzeszów, Poland
Elżbieta Sztajmec: Departament of Power Electronics and Power Engineering, Rzeszow University of Technology, 35-959 Rzeszów, Poland

Energies, 2020, vol. 13, issue 3, 1-20

Abstract: A multiphase matrix converter (MC) is a direct AC/AC converter with n -phase input and m -phase output that is required to supply multiphase systems. To synthesize the controllable sinusoidal output voltage and input current with controllable displacement angle, the pulse width modulation (PWM) is implemented. On account of the PWM usage, there is common mode voltage (CMV), which is detrimental and causes lots of failures. This paper investigates the CMV elimination in the three-to-nine-phase MC. The carrier-based space vector modulation (SVM) with Venturini modulation functions is used. The elimination of the CMV is realized by applying rotating voltage space vectors only. The simulation results presented in this study show that the CMV is entirely eliminated and prove the usefulness of the proposed modulation method.

Keywords: multiphase matrix converter; common mode voltage; rotating voltage space vector; space vector modulation; Venturini modulation functions (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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