Electric power conversion systems – Current conversion – With means to connect the input to diverse power sources
Patent
1997-02-07
1998-06-23
Hecker, Stuart N.
Electric power conversion systems
Current conversion
With means to connect the input to diverse power sources
323222, 363 89, H02M 704
Patent
active
057711682
ABSTRACT:
The present invention relates to a power factor correction apparatus, which comprises: a rectifier device being inputted with one of a first amplitude AC voltage signal and a second amplitude AC voltage signal, wherein said first amplitude is higher than said second amplitude; a switch device for performing an on/off switching; a magnetic energy storing element electrically connected to said rectifier device and said switch device for converting an electric energy delivered by an electric level signal into a magnetic energy for storing when said switch device is switched on; and an electric charge storing element electrically connected to said magnetic energy storing element for receiving said magnetic energy stored in said magnetic energy storing element and storing as an electric energy when said switch device is switched off, which comprises two capacitors with a voltage endurance higher than said second amplitude and lower than/equal to said first amplitude, said two capacitors are series connected when said first amplitude AC voltage signal is inputted, and are parallel connected when said second amplitude AC voltage signal is inputted.
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patent: 5532917 (1996-07-01), Hung
Liao Pei-Sheng
Sharifipour Bahman
Delta Electronics , Inc.
Hecker Stuart N.
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