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    • 63. 发明申请
    • SERIES RESONANT CONVERTER
    • 系列共振转换器
    • US20090290389A1
    • 2009-11-26
    • US12470192
    • 2009-05-21
    • Shingo UenoAtsushi SaitoKiyomi Watanabe
    • Shingo UenoAtsushi SaitoKiyomi Watanabe
    • H02M3/335
    • H02M3/337H02M2001/0058Y02B70/1433Y02B70/1491Y02P80/112
    • A series resonant converter of the present invention includes an inverter circuit having at least a pair of a first and second switching device connected between two input terminals, a transformer having a primary winding and a secondary winding connected to the inverter circuit, a first and second resonant capacitor connected to a secondary side of the transformer and connected in series to each other between two output terminals, a first and second unidirectional device connected in series to each other, and a resonant induction device that is operated along with the first and second resonant capacitor and resonates in series. The first and second unidirectional device are configured such that current does not flow from the first and second resonant capacitor to the input terminal by preventing electric charge of the first and second resonant capacitor from being discharged to a primary side of the transformer.
    • 本发明的串联谐振变换器包括:逆变器电路,具有连接在两个输入端子之间的至少一对第一和第二开关装置,具有初级绕组的变压器和与逆变器电路连接的次级绕组,第一和第二 谐振电容器连接到变压器的次级侧并且在两个输出端子之间彼此串联连接,彼此串联连接的第一和第二单向器件,以及与第一和第二谐振器一起操作的谐振感应器件 电容器并串联谐振。 第一和第二单向装置被配置为使得电流不会通过防止第一和第二谐振电容器的电荷被放电到变压器的初级侧而从第一和第二谐振电容器流到输入端子。