Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Patent
1998-07-17
1999-08-31
Berhane, Adolf Denske
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
363 47, H02M 114
Patent
active
059462035
ABSTRACT:
For use with a boost converter having first, second and third input inductors, a switching network, method of reducing input current total harmonic distortion (THD) associated with the boost converter, and boost converter employing the switching network and method. In one embodiment, the switching network includes a first switch coupled between corresponding rails of the boost converter. The switching network also includes first, second and third L-C resonant networks wye-coupled to a common node and coupled to the first, second and third input inductors, respectively. The first switch and the first, second and third L-C resonant networks cooperate to create resonant voltages across, and induce phase currents through, the first, second and third input inductors to reduce input current THD associated with the boost converter.
REFERENCES:
patent: 5587892 (1996-12-01), Barrett
patent: 5633579 (1997-05-01), Kim
patent: 5668707 (1997-09-01), Barrett
Da Feng Weng, S. Yuvarajan, "Resonant Boost Input Three Phase Power Factor Corrector," 1998 IEEE, pp. 958-962.
Jiang Yimin
Mao Hengchun
Berhane Adolf Denske
Lucent Technologies - Inc.
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