Abstract
Switch-sharing-based multilevel inverter can be useful to develop an improved-performance DC–AC converter for low-power photovoltaic applications. However, this cannot be fully achieved without having a reliable control solution. Hence, this study presents a smart control strategy equipped with an adaptive proportional–integral controller. The adaptive characteristic is established through a tuning module that continuously fine tunes only one parameter. With the tuning mechanism, the load current quality is able to be continuously retained at the acceptable level even during the presence of disturbances. To validate the control performance, experimental work has been conducted on a laboratory prototype under load-disturbance conditions.
Published Version
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