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A single-phase CHB inverter with reduced power electronics components with low THD

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Selva Priya, B. and Geethamani, R.

This project presents Single-phase Cascaded H-Bridge Inverter with minimum number of power electronics devices. The proposed Inverter consists of 4 unidirectional switches and single bidirectional switch in each cell. Single carrier and Multicarrier PWM method is used to generate the multilevel output. The proposed multilevel Inverter is compared with conventional symmetrical CHB, Asymmetrical CHB with binary and trinary configurations. The comparison will be made on the basis of number of components, number of DC sources, number of Balancing capacitors, Switching and conduction losses. The proposed Cascaded H-Bridge Inverter will be simulated using MATLAB/SIMULINK.

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