De-Re-Coupling Scheme-based Model Predictive Control of a Three-phase High-Frequency Link Matrix Converter
2022 IEEE Sustainable Power and Energy Conference (iSPEC)(2022)
摘要
This paper presents a model predictive control (MPC) strategy for a three-phase high-frequency link matrix inverter (HFLMI). The de-re-coupling concept will be utilised to decompose the matrix converter composed of bidirectional switches into two conventional inverters with unidirectional switches. Then, a finite control set MPC (FCS-MPC) scheme is developed to generate switching commands of the switches, successfully regulating output current following the given reference trajectory. The proposed de-re-coupling-based MPC method reduces the modulation procedure’s complexity for HFLMIs and can efficiently deal with voltage spikes caused by transformer leakage inductance. Further, the proposed method requires comparatively less computation. The efficacy of the developed strategy is evaluated using various Matlab/Simulink simulation cases.
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关键词
matrix converter,de-re-coupling,model predictive control,modulation,high-frequency link
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