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MODEL PREDICTIVE CONTROL FOR MATRIX CONVERTER OPERATING IN CURRENT CONTROL MODE WITH LOAD CURRENT ESTIMATION
MODEL PREDICTIVE CONTROL FOR MATRIX CONVERTER OPERATING IN CURRENT CONTROL MODE WITH LOAD CURRENT ESTIMATION
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机译:带有负载电流估计的电流控制模式下矩阵变换器操作的模型预测控制
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摘要
A matrix converter system operating in current control mode is provided. The matrix converter includes a switching matrix coupled between a low voltage side and a high voltage side, wherein the matrix converter is coupled at its low voltage side to a generator for receiving an input power including an input current and transforming the input power into an output power at its high voltage side, wherein a load is coupled to the high voltage side. The control system includes a load observer and a model predictive controller (MPC). The load observer is configured to estimate a load current that flows to the load from the high voltage side of the matrix converter as a function of a switching state of the switching matrix, an output voltage output at the high voltage side of the matrix converter, and the input current. The MPC is configured to select the switching state of the switching matrix to meet one or more control objectives defined by minimization of a multi-objective function that tracks the output voltage and the input current using the estimated load current.
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