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    • 6. 发明申请
    • POWER SWITCHING CIRCUIT
    • 电源开关电路
    • US20140321012A1
    • 2014-10-30
    • US14364092
    • 2013-02-08
    • Yasushi Nakayama
    • Yasushi Nakayama
    • H02H9/02
    • H02H9/025H02M1/088H02M1/32H02M2001/0009H03K17/0822H03K2217/0027
    • A power switching circuit includes a power semiconductor element that includes a main switching element connected in parallel with a main body diode and a sense switching element connected in parallel with a sense body diode; a reverse overcurrent detection circuit that detects an overcurrent flowing in the reverse direction out of currents flowing through a parallel-connection body of the sense switching element and the sense body diode; and a control circuit that drives the gate of the power semiconductor element; wherein when the reverse overcurrent detection circuit detects a reverse overcurrent, the control circuit controls the main switching element and the sense switching element to turn on.
    • 电源开关电路包括功率半导体元件,功率半导体元件包括与主体二极管并联连接的主开关元件和与感测体二极管并联连接的感测开关元件; 反向过电流检测电路,检测在流过感测开关元件和感测体二极管的并联体的电流中反向流过的电流; 以及驱动所述功率半导体元件的栅极的控制电路; 其中当反向过电流检测电路检测到反向过电流时,控制电路控制主开关元件和感测开关元件导通。
    • 7. 发明授权
    • Power conversion device and fabricating method for the same
    • 电力转换装置及其制造方法
    • US07881086B2
    • 2011-02-01
    • US12293934
    • 2007-03-08
    • Yasushi NakayamaTakeshi OiKazuyoshi ToyaAkihiro Murahashi
    • Yasushi NakayamaTakeshi OiKazuyoshi ToyaAkihiro Murahashi
    • H05K7/20H02M7/5387H01B5/00
    • H02M7/003H01L2924/0002H02M7/487H01L2924/00
    • A power conversion device in which the inductance of a main circuit is reduced, a surge voltage is suppressed, elements are properly cooled, which is miniaturized and reduced in weight as a whole, and is excellent in handling performance in a manufacturing process and a maintenance work. A positive side arm unit includes IGBT modules, a coupling diode module, a cooling plate on which the modules are mounted, and a first laminated bus bar connected to the respective modules. A negative side arm unit includes IGBT modules, a coupling diode module, a cooling plate on which the modules are mounted, and a second laminated bus bar connected to the respective modules, and both the laminated bus bars and the capacitors are connected to one another by a third laminated bus bar. Both the cooling plates are parallel to each other so that the mount surfaces thereof are set in the same direction.
    • 一种功率转换装置,其中主电路的电感减小,浪涌电压被抑制,元件被适当地冷却,其整体小型化和重量减轻,并且在制造过程和维护中的处理性能优异 工作。 正侧臂单元包括IGBT模块,耦合二极管模块,其上安装模块的冷却板和连接到各个模块的第一层压母线。 负侧臂单元包括IGBT模块,耦合二极管模块,安装模块的冷却板和连接到各个模块的第二叠层汇流条,并且两个叠层汇流条和电容器彼此连接 通过第三层压母线。 两个冷却板彼此平行,使得其安装表面被设置在相同的方向上。