Abstract
This paper presents the simulation and analysis of a Nine-Level T-Type Packed U-Cell (T-PUC9) Inverter fed single phase Induction Motor. This inverter includes a T-type neutral point clamped (NPC) pole, two identical DC voltage sources and a one half-bridge module. It employs a Multiple pulse width modulation (PWM) scheme for generating the pulses for all the eight switches to synthesis the desired nine level voltages namely 2Vdc, 1.5Vdc, Vdc, 0.5Vdc, 0, -0.5Vdc, -Vdc, -1.5Vdc and -2Vdcwhich resembles a nearly sinusoidal wave owing to the rise in the number of steps. Due to its low-level harmonic distortion in the output it is used in industrial applications. The simulation model of the presented inverter has been developed for a single-phase induction motor application for a two identical DC voltage sources of 110V each using the MATLAB Simulink platform. The theoretical predictions and the performance of the Nine-Level T-Type Packed U-Cell (T-PUC9) Inverter fed single phase induction motor have been successfully validated with the help of simulation results.
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