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    • 7. 发明授权
    • Power conversion apparatus, control method and uninterruptible power
supply equipped with the apparatus
    • 电力转换装置,控制方法和配备该装置的不间断电源
    • US5889661A
    • 1999-03-30
    • US881665
    • 1997-06-24
    • Shizuri TamuraAkinori NishihiroMasakatu DaijooHaruji Murakami
    • Shizuri TamuraAkinori NishihiroMasakatu DaijooHaruji Murakami
    • H02M7/219H02J9/06H02M5/458H02M7/12H02M7/48H02M7/5387H02M5/45
    • H02M5/4585H02J9/062
    • A power conversion apparatus and its control method is disclosed in which a main circuit and its control circuit are simplified by allowing part of the main circuit to be shared by a converter section and an inverter section. The power conversion apparatus comprises a converter section 120 and an inverter section 130, each having upper and lower arm switch sections, and a common section 110 also having upper and lower arm switch sections. One phase of an AC input power terminal is connected to one phase of an AC output power terminal. The common phase is also connected to a connection point 1RU of the upper and lower arm switch sections of the common section. The remaining phases of the AC input terminals are connected to connecting points of upper and lower arm switch sections of the converter section, and the remaining phases of the AC output terminals are connected to connection points of upper and lower arm switch sections of the inverter section. The common section and the converter section cooperate to convert the AC input power into a DC power, and the common section and the inverter section cooperate to convert the DC power into an AC output power.
    • 公开了一种电力转换装置及其控制方法,其中通过允许主电路的一部分由转换器部分和逆变器部分共享来简化主电路及其控制电路。 电力转换装置包括转换器部分120和逆变器部分130,每个转换器部分具有上臂和下臂开关部分,以及具有上下臂开关部分的公共部分110。 交流输入电源端子的一相连接到交流输出电源端子的一相。 公共相也连接到公共部分的上下臂开关部分的连接点1RU。 交流输入端子的剩余相位连接到转换器部分的上下臂开关部分的连接点,交流输出端子的其余相连接到逆变器部分的上下臂开关部分的连接点 。 公共部分和转换器部分协作以将AC输入功率转换为DC电力,并且公共部分和逆变器部分协作将DC电力转换成AC输出功率。