This paper presents an optimized PV step-up power conversion system with energy storage and control unit by proposing an optimized step-up DC/DC conversion system that uses Arduino Uno as a control unit to implement all the necessary algorithms to apply a closed-loop circuit where the actual input current is used as a feedback. Then, it is compared with the desired input current in order to update the duty cycle value to achieve the desired output voltage, which leads to maximising the efficiency and improving the performance of the power conversion system. Moreover, this paper describes some I-V and PV characteristics of the PV panel which were under consideration for the design phase as it affects enhancing the performance. Moreover, it illustrates the detailed design and topology for the step-up power conversion system with energy storage and the control unit by focusing mainly on two parts, which are the power conversion system and the control unit. A comparison was made to highlight the improvement in the performance after deploying a closed-loop system. In addition, the algorithm presents some actions performed by the control unit for different situations. Some ideas were illustrated as potential enhancements in the future to increase power conversion systems efficiency.
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Alotaibi et al. (2024) studied this question.
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