Abstract
This paper proposes a control strategy for single-phase off-grid inverter, which integrates the three closed-loop control with the iterative-based RMS algorithm. The inverter circuit is modeled, and simulation experiment and prototype verification are performed on Matlab. The results show that the voltage drop problem caused by an abrupt variation of inverter load is improved greatly owing to the addition of voltage RMS loop. Meanwhile, the application of iterative method enhances the dynamic response performance of the system substantially; and improves the real-timeliness of three closed-loop control. The two complement each other to provide a highly effective, reliable control solution for the single-phase off-grid inverter.
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This work was supported by 2018 Quality Engineering program of Dongguan Institute of Technology No: 201802111 and the Science and Technology Project of Guangdong Province under Grand No. 2017B010132001 and the Major Science and Technology Projects of Dongguan City under Grand No. 2019622126004.
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Yao, N., Zhao, X., Liu, H. (2020). Design of Photovoltaic Power Intelligent Patrol Robot. In: Su, R., Liu, H. (eds) Medical Imaging and Computer-Aided Diagnosis. MICAD 2020. Lecture Notes in Electrical Engineering, vol 633. Springer, Singapore. https://doi.org/10.1007/978-981-15-5199-4_21
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DOI: https://doi.org/10.1007/978-981-15-5199-4_21
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