Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Reexamination Certificate
2006-01-17
2008-11-11
Sterrett, Jeffrey L (Department: 2838)
Electric power conversion systems
Current conversion
With condition responsive means to control the output...
C323S207000, C323S222000
Reexamination Certificate
active
07450407
ABSTRACT:
A harmonic-suppressing AC/DC power converter employs a control method for permitting the AC/DC power converter only to detect an input AC current and an output DC voltage. The control method can control the AC side of the AC/DC power converter to generate a voltage which is proportional to the input AC current. Thereby, the AC/DC power converter acts as a virtual resistor having a linear resistance characteristic. Accordingly, the input AC current of the AC/DC power converter can be controlled to approximate nearly as a sinusoidal wave with the performance of high input power factor and low input harmonic current.
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Chou Hung-Liang
Hou Wen-Jet
Huang Min-Sheng
Wu Chin-Chang
Bacon & Thomas PLLC
Behm Harry
Sterrett Jeffrey L
UIS Abler Electronics Co., Ltd.
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