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The mechanism of period-doubling bifurcation in voltage mode controlled flyback converter operating in discontinuous conduction mode (DCM) is studied according to the theorem of period-doubling bifurcation, a one-dimensional discrete iterative map of the system, in which the primary side magnetizing inductor current of a transformer and the equivalent series resistance (ESR) of the capacitor is considered,...
A novel and practical multi-loop control strategy for photovoltaic (PV) inverters is presented. In which the double close-loop control structure of digital PID voltage and current instantaneous value is adopted based on the cross feedback decoupling control and load current feed-forward control. In addition, in order to improve accuracy of output voltage, a close loop control structure of the output...
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