High power factor converter
AssigneeNational Chung Shan Institute of Science and Technology
InventorsKun-Feng Chen, Jung-Yang Wang, Chin-Yu Ho
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Abstract
A high power factor converter is provided. The high power factor converter includes a rectifier, a reactive power control circuit and a converter circuit. The rectifier is utilized for receiving and converting an input AC voltage in to an input DC voltage. The reactive power control circuit is coupled to the rectifier for performing a reactive power control operation based on the input DC voltage. The converter circuit is coupled to the reactive power control circuit for converting the input DC voltage into an output voltage.
Claims10
A high power factor converter, comprising:
- a rectifier for receiving an input alternating current (AC) voltage and converting the input AC voltage in to an input direct current (DC) voltage;
- a reactive power control circuit coupled to the rectifier for performing a reactive power control operation based on the input DC voltage, comprising:
- a second inductor, wherein a first terminal of the second inductor is coupled to the rectifier and a second terminal of the second inductor is coupled to the converter circuit;
- a first diode, wherein a cathode of the first diode is coupled to the first terminal of the second inductor;
- a second diode, wherein a cathode of the second diode is coupled to an anode of the first diode and an anode of the second diode is coupled to a first ground;
- and
- a reactive power control capacitor, wherein a first terminal of the reactive power control capacitor is coupled to the second terminal of the second inductor and a second terminal of the reactive power control capacitor is coupled to the anode of the first diode;
- and
- a converter circuit coupled to the reactive power control circuit for converting the input DC voltage into an output voltage.
Dependencies are inferred from the claim text.