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    • 10. 发明申请
    • DC to AC Power Converter
    • 直流到交流电源转换器
    • US20080055952A1
    • 2008-03-06
    • US11771593
    • 2007-06-29
    • Lesley ChisengaAsim MumtazGehan Amaratunga
    • Lesley ChisengaAsim MumtazGehan Amaratunga
    • H02M7/538
    • H02M3/3372H02M3/33592H02M2001/007Y02B70/1475
    • A DC to AC power converter is disclosed. The power converter comprises four power-switching devices, two diodes, a step-up and isolation transformer, a capacitor-choke filter and a controller. Two power-switching devices located on the primary side of the transformer are switched to provide alternate cycles of an ac current to the primary side of the transformer, which magnetically couples the ac current to the secondary side of the transformer. Two power-switching devices on the secondary side of the transformer are switched to alternately allow the forward and return ac currents from the secondary side of the transformer in the output path to a load connected to the output of the DC to AC power converter.
    • 公开了一种DC到AC电力转换器。 功率转换器包括四个功率开关器件,两个二极管,升压和隔离变压器,电容器扼流圈滤波器和控制器。 位于变压器初级侧的两个功率开关器件被切换以提供交流电流到变压器的初级侧的交替周期,该交流电流将交流电流磁耦合到变压器的次级侧。 变压器次级侧的两个电源开关器件被切换以交替地允许从输出路径中的变压器的次级侧到连接到DC到AC电力转换器的输出的负载的正向和回流交流电流。