Abstract
In this paper, an integrated transformer-less single phase boost inverter (SPBI) with high reliability for photovoltaic energy system is proposed. The proposed SPBI requires only three active switches and has the inherent features of shoot-through immunity and reduced leakage current, which improves reliability and cost of power conversion. Moreover, the proposed inverter can output ac voltage higher than the input dc voltage. The unified SPWM technique for the proposed inverter is also presented. The steady-state analysis, operating principles, and parameter selection guidelines are presented in detail for the proposed inverter. A laboratory prototype is built and tested to verify the performance of the proposed inverter.
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Acknowledgements
The authors gratefully acknowledge the National Natural Science Foundation (51577002),the Natural Science Foundation of Anhui Province of China (1408085ME80), and the Top-notch Personnel Foundation of the Anhui Higher Education Institutions of China (gxbjZD13) for their financial support.
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Hu, X., Jiang, S., Shen, H., Long, Z., Cheng, H., Ge, L. (2021). A Single Phase Boost Inverter with Reduced Leakage Current for Photovoltaic Energy System. In: Chen, W., Yang, Q., Wang, L., Liu, D., Han, X., Meng, G. (eds) The Proceedings of the 9th Frontier Academic Forum of Electrical Engineering. Lecture Notes in Electrical Engineering, vol 743. Springer, Singapore. https://doi.org/10.1007/978-981-33-6609-1_10
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DOI: https://doi.org/10.1007/978-981-33-6609-1_10
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