Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter
Patent
1995-11-14
1997-08-05
Nguyen, Matthew V.
Electric power conversion systems
Current conversion
Including an a.c.-d.c.-a.c. converter
363 89, H02M 545
Patent
active
056548826
ABSTRACT:
A power converter comprises: a rectifier composed of a plurality of bridge-connected diodes; reactors each connected in series in each power line of the rectifier; a chopper circuit having two switching elements connected in series between two DC output terminals of the rectifier; star connection capacitors, each of one end thereof being connected to the power source side of each reactor and each of the other end thereof being connected in common to a mutual connection point of the two switching elements of the chopper circuit; a smoothing capacitor for smoothing an output voltage of the rectifier; and ring connection capacitors each connected between two power lines and further between the AC power source and each of the reactors.
REFERENCES:
patent: 5111373 (1992-05-01), Higaki
patent: 5177677 (1993-01-01), Nakata et al.
patent: 5187652 (1993-02-01), Steimer
Shirai et al., "Novel Three Phase High Power Factor Converters", Lecture Papers of National Convention IEEE, Japan Industry Application Society, pp. 1-2, (1994).
Nabae et al., "Novel Sinusoidal Converters With High Power Factor", Lecture Papers of National Convention.
Kanazawa Hidetoshi
Mino Yoshihito
Yamanashi Yasushi
Kabushiki Kaisha Toshiba
Nguyen Matthew V.
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