Impedance Modeling for Three-Phase Inverters With Double Synchronous Reference Frame Current Controller in the Presence of Imbalance
IEEE Transactions on Power Electronics(2022)
摘要
This article presents a small-signal model for power-electronics converters that use a typical control structure in wind energy applications: the double synchronous reference frame current control. The article considers the presence of unbalanced currents and voltages, and analyzes their impact on the frequency couplings of the converter. In addition, it is revealed that, in the presence of negati...
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关键词
Phase locked loops,Couplings,Voltage control,Inverters,Impedance,Stability criteria,Power system stability
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