Two-stage, three-phase boost converter with reduced total harmon

Details Two-stage, three-phase boost converter with reduced total harmon Two-stage, three-phase boost converter with reduced total harmon

1998-11-24

2000-09-19

Sterrett, Jeffrey

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363 89, 323222, H02M 114

Patent

active

06122183&

ABSTRACT:
For use with a three-phase boost converter having a primary stage with a primary rectifier and a primary boost switch coupled between an input and output of the three-phase boost converter, an auxiliary stage, a method of reducing input current total harmonic distortion (THD) at the input of the three-phase boost converter, and a three-phase boost converter employing the auxiliary stage and method are provided. In one embodiment, the auxiliary stage includes: (1) an auxiliary rectifier coupled to the primary rectifier, (2) first, second and third auxiliary boost inductors interposed between the primary rectifier and the auxiliary rectifier and (3) an auxiliary boost switch, interposed between the auxiliary rectifier and the output, that conducts to induce corresponding phase currents through the first, second and third auxiliary boost inductors thereby reducing input current total harmonic distortion (THD) at the input of the three-phase boost converter.

REFERENCES:
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Y. Jiang, et al. "Simple High Performance Three-Phase Boost Rectifiers", 1994 VPEC Seminar Proceeding, pp. 39-44.
A.R. Prasad, P.D. Ziogas, and S. Manias, "An Active Power Factor Correction Technique for Three-Phase Diode Rectifiers", Sep. 1989 IEEE PESC Proceedings, pp. 58-66.
E. Ismail & R.W. Ericson, "A Single Transistor Three-Phase Resonant Switch for High Quality Rectification", Mar. 1992 IEEE PESC Proceeding, pp. 1341-1351.
R. Zhang & F.C. Lee, "Optimum PWM Pattern for a 3-Phase Boost DCM PFC Rectifier", Dec. 1996 VPEC Annual Seminar Proceeding, pp. 35-42.

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