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T-type shunt active power filter (SAPF) has been widely used to improve power factor and suppress harmonics in the power grid. However, the control strategies of the T-type three-level SAPF are still limited. To address this problem, sequential model predictive control (SMPC) method for T-type SAPF without any weighting factors and additional outer loop controller is proposed for solving multi objective optimization problems. The experimental results on a 10-kW laboratory SiC-based T-type three-level SAPF under different scenarios demonstrate the effectiveness of the proposed method that high-quality compensation current, the stability of DC-bus voltage and neutral point voltage can be achieved with the adoption of the SMPC method.

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Sequential Model Predictive Control for T-Type Three-Level Shunt Active Power Filters

  • 会议论文

  • 发表日期：

    2025年

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  • Xinyue Qi,
  • Bo Long,
  • Jin Zhang,
  • Tianxu Cao,
  • Mai Zhang,
  • Peiyin Xu,
  • Zhiyuan Wang

摘要

T-type shunt active power filter (SAPF) has been widely used to improve power factor and suppress harmonics in the power grid. However, the control strategies of the T-type three-level SAPF are still limited. To address this problem, sequential model predictive control (SMPC) method for T-type SAPF without any weighting factors and additional outer loop controller is proposed for solving multi objective optimization problems. The experimental results on a 10-kW laboratory SiC-based T-type three-level SAPF under different scenarios demonstrate the effectiveness of the proposed method that high-quality compensation current, the stability of DC-bus voltage and neutral point voltage can be achieved with the adoption of the SMPC method.