Journal of Electrical Engineering : Volume 17 / 2017 - Edition : 1

Development of New Modulation Technique to Combined Drive for Dual PMSMs applicable in automotive application

power electronics devices
A new modulation technique is incorporated to the five leg inverter to drive dual permanent magnet synchronous motors (PMSMs) applicable to automotive applications which are rated independently. The conventional modulation technique for five leg inverter (FLI) results reduced voltage utilization factor (VUF), current harmonics and torque ripple etc. From the literature, many modulation techniques has been trained for FLI employed for controlling five phase motors/dual motor. One leg of inverter is reduced and it is connected common to both the motors. The Expanded two arm modulation (ETAM) and space vector modulation (SVPWM) has been generally engrossed in FLI. However still the performance enhancement is required in FLI. This paper revises the ETAM in an imaginative way to improve the performance such as current harmonics, VUF, torque ripple through current reference. The current reference expanded two arm modulation (CRETAM) has been proposed as a new modulation technique to FLI. A complete results of CRETAM is presented. The MATLAB based simulation has been performed. The designed architecture has been configured to the SPARTAN-6 FPGA (XC6SLX45) device. The functionality of each block in the architecture has been simulated thoroughly using the Modelsim software.
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