Study of the Three-Phase APFC Circuit Based on Vector Mode One-Cycle Control

doi:10.11985/2016.08.003

Abstract

Abstract:

A vector mode one-cycle control strategy of three-phase active power factor correction converter is proposed. The AC voltage of three-phase busbar is divided into six regions. Only two switches are running in the state of high frequency in the same time, which could reduce the switching loss. The mathematical model and core control equation of three-phase PFC is derived and established in the current continuous mode. Matlab/Simulink is used to carry out modeling and simulation experiments for the circuit. The results show that it can make the phase of input current track the phase of input voltage, the output voltage maintains a constant, and three-phase PFC is realized. The dynamic and steady state performances of the circuit are satisfied. It verifies the correctness and feasibility of the proposed control strategy.

Key words: Power factor correction, harmonic, vector mode, one-cycle control

CLC Number:

TM461

Yanbin Tang,Yuesheng Ling,Da Liu,Xiong Wang. Study of the Three-Phase APFC Circuit Based on Vector Mode One-Cycle Control[J]. Journal of Electrical Engineering, 2016, 11(8): 17-22.

Figures/Tables 9

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References 12

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区间	等效电流		输出逻辑信号			开关通断信号
区间	i_p	i_n	d_p	d_n	d_t	Q_ap	Q_an	Q_bp	Q_bn	Q_cp	Q_cn
Ⅰ	i_a	i_c	d_an	d_cn	d_bn	!Q_p	Q_p	OFF	ON	!Q_n	Q_n
Ⅱ	-i_b	-i_c	d_bp	d_cp	d_ap	ON	OFF	Q_p	!Q_p	Q_n	!Q_n
Ⅲ	i_b	i_a	d_bn	d_an	d_cn	!Q_n	Q_n	!Qp	Qp	OFF	ON
Ⅳ	-i_c	-i_a	d_cp	d_ap	d_bp	Q_n	!Q_n	ON	OFF	Q_p	!Q_p
Ⅴ	i_c	i_b	d_cn	d_bn	d_an	OFF	ON	!Q_n	Q_n	!Q_p	Q_p
Ⅵ	-i_a	-i_b	d_ap	d_bp	d_cp	Q_p	!Q_p	Q_n	!Q_n	ON	OFF

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