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    • 34. 发明授权
    • Discharging a DC bus capacitor of an electrical converter system
    • 放电电气转换器系统的直流总线电容器
    • US08860379B2
    • 2014-10-14
    • US13090911
    • 2011-04-20
    • Lateef A. KajoukeMilun PerisicRay M. Ransom
    • Lateef A. KajoukeMilun PerisicRay M. Ransom
    • H02J7/00H02H7/122H02M3/24H02M7/44H02M7/5387
    • H02M5/293H02M7/4807H02M2001/322
    • A system and method of discharging a bus capacitor of a bidirectional matrix converter of a vehicle are presented here. The method begins by electrically shorting the AC interface of the converter after an AC energy source is disconnected from the AC interface. The method continues by arranging a plurality of switching elements of a second energy conversion module into a discharge configuration to establish an electrical current path from a first terminal of an isolation module, through an inductive element, and to a second terminal of the isolation module. The method also modulates a plurality of switching elements of a first energy conversion module, while maintaining the discharge configuration of the second energy conversion module, to at least partially discharge a DC bus capacitor.
    • 这里介绍一种对车辆的双向矩阵转换器的总线电容器进行放电的系统和方法。 该方法通过在交流电源与AC接口断开连接之后电气地短路转换器的AC接口开始。 该方法通过将第二能量转换模块的多个开关元件布置成放电配置来建立从隔离模块的第一端子,通过电感元件到隔离模块的第二端子的电流路径来继续。 该方法还在保持第二能量转换模块的放电配置的同时,对第一能量转换模块的多个开关元件进行调制,以至少部分地对DC总线电容器进行放电。