Compared to the classical inverters, the multilevel inverter finds remarkable advantages, which can be suitably implemented in green energy power generation. Here an asymmetric multilevel inverter with fewer components is proposed for renewable energy applications. The proposed inverter is a cross between two H bridge-style devices. To maximize the output voltage three different algorithms to fix the amplitude of the DC sources are proposed and the best among them is chosen for implementation. The recommended inverter can generate 19 levels of output voltages using three DC sources with reduced power components. The nearest level modulation is used as the control course for the inverter. Here MATLAB software is used to simulate the proposed inverter and the performance of the inverter is observed. The proposed inverter is constructed in real-time, and the performance of the inverter is studied by testing with fixed and variable reactive loads. A comparative study is made between the simulation model and real-time work results in-terms of efficiency and harmonics in the load wave-forms.
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A High Efficient Cross Connected H-bridge Style Multilevel Inverter with Lower Power Components
Published: 26 October 2023 by MDPI in The 4th International Electronic Conference on Applied Sciences session Electrical, Electronics and Communications Engineering
Keywords: Asymmetrical sources, Cascaded H-bridge, Multilevel inverter, Pulse width modulation, Total harmonic distortion
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