公开(公告)号：US20150303813A1

公开(公告)日：2015-10-22

申请号：US14258557

申请日：2014-04-22

Applicant: I SHOU UNIVERSITY

Inventor： Chun-An CHENG ,  Fu-Li YANG

IPC: H02M3/335 ,  H02M1/42

CPC classification number: H02M1/4258 ,  Y02B70/126

Abstract: A power converting device includes a filter filtering an AC input voltage to generate a filtered voltage, a power factor corrector boosting the filtered voltage to generate a boosted voltage, and a step-down converter reducing the boosted voltage to generate a DC output voltage. The power factor corrector includes a capacitor, an inductor, two diodes and two switches. The inductor has a first terminal coupled to the filter, and a second terminal. The diodes are coupled in series across the capacitor. A common node between the diodes is coupled to the second terminal of the inductor. The switches are coupled in series across the capacitor. A voltage across one of the switches serves as the boosted voltage.

Abstract translation: 电力转换装置包括滤波AC输入电压以产生滤波电压的滤波器，升高滤波电压以产生升压电压的功率因数校正器，以及降低升压转换器以降低升压电压以产生DC输出电压。 功率因数校正器包括电容器，电感器，两个二极管和两个开关。 电感器具有耦合到滤波器的第一端子和第二端子。 二极管串联耦合在电容器上。 二极管之间的公共节点耦合到电感器的第二端子。 开关串联耦合在电容器上。 一个开关上的电压用作升压电压。