Power Supply with Power Factor Correction Circuit
AssigneeMean Well Enterprises Co., Ltd.
InventorPENG-HUI CHIEN
Life of this patent
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Abstract
A power supply with power factor correction circuit, comprises three rectifier modules, receiving a first phase voltage, a second phase voltage and a third phase voltage, and further including a filter, a single power factor correction circuit, and a working voltage convertor, wherein the filter receives one voltage and produces a filtering voltage to the single power factor correction circuit, the single power factor correction circuit then produces correction voltage to the working voltage convertor, and the working voltage convertor produces direct voltage; wherein the working voltage convertor can be the full-bridge phase-shifted convertor.
Claims6
A power supply with power factor correction circuit, connected with a three-phase voltage, and comprising:
- three rectifier modules, receiving three voltage from the three-phase voltage including a first phase voltage, a second phase voltage and a third phase voltage, and each rectifier module further comprising:
- a filter, receiving one voltage from the three-phase voltage, and producing a filtering voltage;
- a single power factor correction circuit, being coupled to the filter, receiving the filtering voltage, producing a correction voltage, and having a main switch;
- and
- a working voltage convertor, being coupled with the single power factor correction circuit and a voltage output terminal, receiving the correction voltage, and producing an working voltage to the voltage output terminal;
- wherein the working voltage is direct voltage;
- wherein the working voltage convertor of one rectifier module is coupled with the working voltage convertors of other two rectifier modules;
- at least one power factor correction controller, being connected to the main switches and configured to switch the main switches;
- and
- an analog device, being connected to the working voltage convertor and configured to control the working voltage convertor.
Dependencies are inferred from the claim text.