Reduced voltage/zero current transition boost power converter

Details Reduced voltage/zero current transition boost power converter Reduced voltage/zero current transition boost power converter

1993-05-18

1994-05-17

Stephan, Steven L.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

323222, H02M 3335

Patent

active

053133820

ABSTRACT:
A reduced-voltage/zero-current transition (RV/ZC-T) PWM converter includes an added active resonant network shunting the active power switch to reduce the switching losses in both the active power and and passive rectifier switches. The active power switch turns-on under reduced-voltage while the rectifier diode turns-off under zero-current. A soft current turn-off of the rectifier makes this converter suitable for high voltage applications where the reverse recovery losses of the diode can be considerable. An auxiliary switch included in the resonant network also operates with zero-current- switching.

REFERENCES:
patent: 4857822 (1989-08-01), Tabisz et al.
patent: 4860184 (1989-08-01), Tabisz et al.
patent: 4931716 (1990-06-01), Jovanovic et al.
patent: 4959764 (1990-09-01), Bassett
G. C. Hua, C. S. Leu, Y. M. Jiang, F. C. Lee, "Novel Zero-Voltage-Transition PWM Converters," The Tenth Annual VPEC Power Electronics Seminar Proceedings, Sep. 20-22, 1993, pp. 33-39.

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