T-Type Multilevel Inverters: A Comparative Performance Analysis
Communication avec acte
Author
DWIVEDI, DhawalSINGH, SaurabhKAUSHIK, Shubham 
SEMAIL, Eric NGUYEN, Ngac KyCHINMAYA, K. A.Abstract
T-type multilevel inverters are a potential alternative because of their increased efficiency and low conduction losses. T-Type topology is formed by adding a bidirectional switch to a conventional two-level inverter. There are a few T-Type MLIs formulated based on requirements and applications. This work provides a comparative analysis of three different T-Type five-level MLIs with a five-level cascaded H-Bridge converter. Four multi-carrier pulse width modulation (PWM) techniques, i.e., phase disposition (PD) PWM, phase opposition disposition (POD) PWM, alternate phase opposition disposition (APOD) PWM, and Hybrid PWM schemes are implemented to evaluate the performance of these MLIs. They are operated over a wide range of modulation indices, and the converter output voltage, total harmonic distortion (THD), and characteristics are observed. MATLAB\Simulink environment is used for this comparative performance analysis.
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