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    • 4. 发明授权
    • Power-conversion control system including sliding mode controller and cycloconverter
    • 电力转换控制系统,包括滑模控制器和循环换流器
    • US08199545B2
    • 2012-06-12
    • US12435534
    • 2009-05-05
    • Vietson M. NguyenGregory I. RozmanSastry V. Vedula
    • Vietson M. NguyenGregory I. RozmanSastry V. Vedula
    • H02M7/797H02M5/16
    • H02M7/4807
    • A power-conversion control system includes an inverter, a cycloconverter, and a sliding mode controller. The inverter is operable to receive a DC voltage input and produce a first AC voltage output having a first frequency. The cycloconverter has a plurality of bidirectional switches, and is operable to receive the first AC voltage and to synthesize a second AC voltage having a second frequency that is lower than the first frequency. The sliding mode controller is operable to provide a control signal to command the plurality of bidirectional switches to turn OFF and ON when the first AC voltage is at a zero crossing condition. The sliding mode controller is also operable to selectively adjust the frequency and amplitude of the second AC voltage.
    • 电力转换控制系统包括逆变器,循环换流器和滑动模式控制器。 逆变器可操作以接收DC电压输入并产生具有第一频率的第一AC电压输出。 循环换流器具有多个双向开关,并且可操作以接收第一AC电压并且合成具有低于第一频率的第二频率的第二AC电压。 当第一AC电压处于过零状态时,滑动模式控制器可操作以提供控制信号以指令多个双向开关断开和接通。 滑动模式控制器还可操作以选择性地调节第二AC电压的频率和幅度。