What question did this study set out to answer?

To develop a versatile multilevel inverter capable of handling varying input voltages and output levels.

December 12, 2025Applied SciencesOpen Access

A Multilevel Inverter with Different Input Voltages Having Different Voltage Levels Based on Different Switch Switching Types

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This design demonstrates improved control strategy in multilevel inverters, achieving low THD and high efficiency.

To develop a versatile multilevel inverter capable of handling varying input voltages and output levels.
Designed a single-phase multilevel inverter with 13 switches and 3 capacitors.
Created two configurations: a nine-level and a thirteen-level inverter.
Verified operation through simulations using PSIM 9.1 and a hardware prototype based on TI F280025C.
Thirteen-level configuration achieved 1.25% total harmonic distortion (THD) and 97.5% peak efficiency.
Nine-level configuration produced 1.43% THD and 94.5% efficiency.

Hwu et al. (2025) studied this question.

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