Performance improvement of three-phase boost rectifier using PI fuzzy controller
نویسندگان
چکیده
In this paper are presented the analysis of three-phase boost rectifier converters in close loop using PI classical controller and PI fuzzy controller. A multi-loop controller for the three-phase boost rectifier consists of an outer loop to regulate the output voltage and two inner current loops one each for the d and q axis input currents. The current loops control the decoupled channels of the power stage independently by adjusting their duty cycles. The both use controllers of type P. To have the currents in phase with the input voltages the reference signal for the q channel must be set to zero. The references for the d channel are provided by the voltage loop controller. Key-Words: three-phase boost rectifier, multi loop controller, P controller, PI controller, PI fuzzy controller
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