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    • 4. 发明授权
    • Series resonant converter having a circuit configuration that prevents leading current
    • 具有防止引导电流的电路结构的串联谐振变换器
    • US08441812B2
    • 2013-05-14
    • 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。
    • 5. 发明申请
    • REVERSED-POLARITY PULSE GENERATING CIRCUIT FOR DIRECT CURRENT PLASMA AND DIRECT CURRENT PLASMA POWER SUPPLY UNIT
    • 用于直流等离子体和直流电流等离子体电源的反相极性脉冲发生电路
    • US20120025726A1
    • 2012-02-02
    • US13193862
    • 2011-07-29
    • Kiyomi WatanabeKazuo SakaiKenichi Nakamura
    • Kiyomi WatanabeKazuo SakaiKenichi Nakamura
    • H05H1/24
    • H05H1/46H01J37/32027H01J37/32045H05H2001/4682
    • A capacitor is connected between direct current voltage terminals, and inductance means is connected between one end of the capacitor and one of load terminals. In a case in which the direct current voltage exceeds a set value, voltage at both ends of the capacitor is shared by the first and second switching elements that are not electrically conductive; in a case in which the direct current voltage is below the set value, the first and second switching elements are electrically conductive on a periodic basis or as needed to output reversed-polarity voltage between load terminals; and in a case in which the first and second switching elements are turned off, voltage at both ends of the capacitor restricts voltage applied to both ends of the first and second switching elements, during a period in which the first and second feedback rectifier elements are electrically conductive.
    • 电容器连接在直流电压端子之间,电感装置连接在电容器的一端和负载端子之间。 在直流电压超过设定值的情况下,电容器两端的电压由不导电的第一和第二开关元件共用, 在直流电压低于设定值的情况下,第一和第二开关元件周期性地导电,或者根据需要在负载端子之间输出反极性电压; 并且在第一和第二开关元件截止的情况下,在第一和第二反馈整流元件是第一和第二反馈整流元件的时段期间,电容器两端的电压限制施加到第一和第二开关元件的两端的电压 导电。
    • 7. 发明授权
    • Series resonant converter
    • 串联谐振转换器
    • US08107263B2
    • 2012-01-31
    • US12954700
    • 2010-11-26
    • Shingo UenoShinichi OmakiAtsushi SaitoKiyomi Watanabe
    • Shingo UenoShinichi OmakiAtsushi SaitoKiyomi Watanabe
    • H02M3/335
    • H02M3/335Y02B70/1433
    • A series resonant converter circuit that reduces power loss is provided that includes an inverter circuit having at least a pair of first and second switching elements that is connected between DC input terminals, a transformer connected to this inverter circuit, a resonant inductance means that are connected in series to a primary winding wire or a secondary winding wire of the transformer, a primary-side resonant capacitor that is connected in series to the resonant inductance means through the first or second switching element, first and second secondary-side resonant capacitors that are connected to each other in series between the DC input terminals, first and second unidirectional elements that are connected to each other in series between the DC output terminals, and a resonant inductance means that cooperates with resonant capacitance from the primary-side resonant capacitor and the first and second secondary-side resonant capacitors to resonate in series.
    • 提供了一种降低功率损耗的串联谐振变换器电路,其包括具有至少一对第一和第二开关元件的逆变器电路,所述第一和第二开关元件连接在DC输入端子之间,连接到该逆变器电路的变压器,连接的谐振电感装置 与变压器的初级绕组线或次级绕组串联连接的初级侧谐振电容器,其通过第一或第二开关元件与谐振电感装置串联连接,第一和第二次级侧谐振电容器是 串联连接在直流输入端子之间,串联连接在直流输出端子之间的第一和第二单向元件以及谐振电感装置,其与来自初级侧谐振电容器的谐振电容和 第一和第二次级侧谐振电容器串联谐振。