Published Paper Details:

This project focuses on the design and implementation of a Modular Multilevel Inverter (MMI) tailored for a Permanent Magnet Synchronous Motor (PMSM) drive system. The chosen MMI topology is the Cascaded H-Bridge (CHB) MMI, which offers distinct advantages over traditional inverters, including enhanced voltage quality, reduced harmonic distortion, and increased reliability. The proposed design adopts a 7-level modular structure comprising multiple identical sub-modules connected in series, each housing a set of power semiconductor devices (i.e.) IGBTs. This modular approach facilitates scalability and simplifies maintenance. To ensure precise control over the output voltage and current waveforms, the project employs a sophisticated control strategy. This strategy incorporates carrier-based Pulse Width Modulation (PWM) techniques, encompassing sinusoidal PWM and Space Vector Modulation (SVM). These control methods play a pivotal role in regulating the motor drive system's performance. In essence, this project combines advanced inverter technology with precise control mechanisms to enhance the efficiency and reliability of PMSM drive systems, making them suitable for a wide range of industrial applications.