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    • 73. 发明授权
    • DC—DC converters providing reduced deadtime
    • DC-DC转换器可减少死区时间
    • US06995987B2
    • 2006-02-07
    • US10499937
    • 2002-12-27
    • Wei SongYan ZhuBradley M. Lehman
    • Wei SongYan ZhuBradley M. Lehman
    • H02M3/335
    • H02M3/33507H02M3/3353H02M3/33569H02M3/337H02M3/3372H02M3/3374H02M2001/007H02M2001/0074H02M2001/385
    • A DC-DC power converter (100) that provides increased power density, reduced size, and reduced costs of manufacture. The DC-DC power converter (100) includes first and second input terminals (101, 102), a plurality of output terminals (116, 117), and at least one electrical element (108/109) connected to at least one of the first and second input terminals (101, 102). In the event a first voltage is applied across the first and second input terminals (101, 102), the electrical element (108/109) provides a second voltage having a value between the first voltage value and a reference voltage value. The DC-DC power converter (100) further includes a transformer (110) having a primary winding (111) and a secondary winding (112), and a switch assembly (103–107) operatively connected to the first input terminal (101), the second input terminal (102), the electrical element (108/109), and the transformer primary winding (111). In the event the first voltage is applied across the first and second input terminals (101, 102), the switch assembly (103–107) switchably applies the first, second, and reference voltages across the transformer primary winding (111) to generate at least one third voltage across the transformer secondary winding (112). The DC-DC power converter (100) further includes a rectifier (113) connected between the transformer secondary winding (112) and the output terminals (116, 117).
    • DC-DC电力转换器(100),其提供增加的功率密度,减小尺寸并降低制造成本。 DC-DC功率转换器(100)包括第一和第二输入端(101,102),多个输出端(116,117)以及至少一个电元件(108/109),其连接到至少一个 第一和第二输入端子(101,102)。 在第一和第二输入端(101,102)之间施加第一电压的情况下,电元件(108/109)提供具有在第一电压值和参考电压值之间的值的第二电压。 DC-DC电力转换器(100)还包括具有初级绕组(111)和次级绕组(112)的变压器(110)和可操作地连接到第一输入端子(101)的开关组件(103-107) ,第二输入端子(102),电气元件(108/109)和变压器初级绕组(111)。 在第一电压施加在第一和第二输入端(101,102)之间的情况下,开关组件(103-107)可切换地施加跨越变压器初级绕组(111)的第一,第二和参考电压以产生 变压器次级绕组(112)两端的至少三分之一电压。 DC-DC电力转换器(100)还包括连接在变压器次级绕组(112)和输出端子(116,117)之间的整流器(113)。
    • 77. 发明申请
    • Dc-dc converters providing reduced deadtime
    • Dc-dc转换器可减少死区时间
    • US20050078491A1
    • 2005-04-14
    • US10499937
    • 2002-12-27
    • Wei SongYan Zhu
    • Wei SongYan Zhu
    • H02M3/335H02M3/337
    • H02M3/33507H02M3/3353H02M3/33569H02M3/337H02M3/3372H02M3/3374H02M2001/007H02M2001/0074H02M2001/385
    • A DC-DC power converter (100) that provides increased power density, reduced size, and reduced costs of manufacture. The DC-DC power converter (100) includes first and second input terminals (101, 102), a plurality of output terminals (116, 117), and at least one electrical element (108/109) connected to at least one of the first and second input terminals (101, 102). In the event a first voltage is applied across the first and second input terminals (101, 102), the electrical element (108/109) provides a second voltage having a value between the first voltage value and a reference voltage value. The DC-DC power converter (100) further includes a transformer (110) having a primary winding (111) and a secondary winding (112), and a switch assembly (103-107) operatively connected to the first input terminal (101), the second input terminal (102), the electrical element (108/109), and the transformer primary winding (111). In the event the first voltage is applied across the first and second input terminals (101, 102), the switch assembly (103-107) switchably applies the first, second, and reference voltages across the transformer primary winding (111) to generate at least one third voltage across the transformer secondary winding (112). The DC-DC power converter (100) further includes a rectifier (113) connected between the transformer secondary winding (112) and the output terminals (116, 117).
    • DC-DC电力转换器(100),其提供增加的功率密度,减小尺寸并降低制造成本。 DC-DC功率转换器(100)包括第一和第二输入端(101,102),多个输出端(116,117)以及至少一个电元件(108/109),其连接到至少一个 第一和第二输入端子(101,102)。 在第一和第二输入端(101,102)之间施加第一电压的情况下,电元件(108/109)提供具有在第一电压值和参考电压值之间的值的第二电压。 DC-DC电力转换器(100)还包括具有初级绕组(111)和次级绕组(112)的变压器(110)和可操作地连接到第一输入端子(101)的开关组件(103-107) ,第二输入端子(102),电气元件(108/109)和变压器初级绕组(111)。 在第一电压施加在第一和第二输入端(101,102)之间的情况下,开关组件(103-107)可切换地施加跨越变压器初级绕组(111)的第一,第二和参考电压以产生 变压器次级绕组(112)两端的至少三分之一电压。 DC-DC电力转换器(100)还包括连接在变压器次级绕组(112)和输出端子(116,117)之间的整流器(113)。