Publication:
THD analysis for symmetrical five level and seven level cascaded multilevel inverter
THD analysis for symmetrical five level and seven level cascaded multilevel inverter
Date
2020-01-07
Authors
Kaja Mohideen
Nor Ashbahani Mohamad Kajaan
Zainuddin Mat Isa
Norkharziana Mohd Nayan
Mohd Hafiz Arshad
Saidatul Shema Saad
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Abstract
Total Harmonic Distortion (THD) is one of the problems in the multilevel inverter. This paper discussed a brief review of THD in different cascaded H-bridge multilevel inverter topologies of five levels and seven levels at the output waveforms. The five levels inverter contains eight switches while seven levels inverter used twelve switches. Each single H-bridge inverter circuit is fed by equally independent DC source for both inverters. The inverter uses MOSFET as the switching point and acts as the controller for a fundamental switching operation. The switching value has been set at the gating block to control the operation of the MOSFET switching. Several waveforms and simulation findings are provided to validate the quality of the proposed topology.