Abstract
Three-phase current source converters have the advantages of bi-directional energy flow, controllable output current, inherent short-circuit protection and fast dynamic response capability. Meanwhile, FCS-MPC has attracted much attention because it exhibits significant advantages when dealing with complex constraints and control objectives. Therefore, it is of great research interest to study the combination of current source converters and FCS-MPC. However, the delay caused by the large online computation, the difficulty of filtering design due to the variable switching frequency, the influence of model parameter variation on the control effect, and the need for higher sampling frequency to achieve better control performance are the bottlenecks that hinder the further development of FCS-MPC. To this end, this paper proposes an optimized multi-step FCS-MPC that combines multi-step FCS-MPC with deadbeat control and duty cycle control to reduce the computational effort while also achieving an approximately fixed frequency, thus reducing the harmonic of grid current and improving the performance of system.
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Acknowledgments
This project was supported by the National Natural Science Foundation of China (61903321), the Science and Technology Program of Higher Education Institutions of Hebei Province (QN2019016).
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Ding, H., Li, Q., Li, M., Wang, W. (2023). Current Source Converter Optimization Method Based on Multi-step FCS-MPC. In: Ma, C., Zhang, Y., Li, S., Zhao, L., Liu, M., Zhang, P. (eds) The Proceedings of 2022 International Conference on Wireless Power Transfer (ICWPT2022). ICWPT 2022. Lecture Notes in Electrical Engineering, vol 1018. Springer, Singapore. https://doi.org/10.1007/978-981-99-0631-4_58
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DOI: https://doi.org/10.1007/978-981-99-0631-4_58
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