Title:
単一段PFC+安定器制御回路/汎用電力コンバータ
Document Type and Number:
Japanese Patent JP3795863
Kind Code:
B2
Abstract:
Two switching half-bridges are operated to achieve constant power delivered to a resonant load while achieving a high power factor. A half-bridge connected to a circuit input draws a sinusoidal current that is in phase with the input voltage to achieve the high power factor. The two half-bridges are composed of two switches each, which are operated to obtain constant load power in satisfaction of calculated conduction angles. Alternatively, the switches are operated on complementary 50% duty cycles to regulate output voltage and shape the input current waveform. Output regulation is achieved by frequency control while input current wave shaping is realized by phase shifts between the two half-bridges.
Inventors:
Thomas liverrich
John Liverrich
Vincent Thierry
Bruno C. Nad
John Liverrich
Vincent Thierry
Bruno C. Nad
Application Number:
JP2002575729A
Publication Date:
July 12, 2006
Filing Date:
March 21, 2002
Export Citation:
Assignee:
INTERNATIONAL RECTIFIER CORPORATION
International Classes:
H02M7/12; H05B41/24; H02M1/00; H02M1/42; H02M3/155; H02M3/28; H05B41/28; H05B41/282; H05B41/392
Domestic Patent References:
| JP2000236673A | ||||
| JP2000125572A | ||||
| JP2000123984A |
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Kazuo Abe
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