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    • 4. 发明申请
    • DC-AC CONVERTER
    • 直流交流转换器
    • US20080043506A1
    • 2008-02-21
    • US11835626
    • 2007-08-08
    • Kiminori OzakiSadanori Suzuki
    • Kiminori OzakiSadanori Suzuki
    • H02M7/5387H02M7/538H02M7/53862
    • H02M7/4807H02M7/5381
    • A DC-AC converter directly converts DC voltage to AC voltage. A voltage conversion circuit receives DC voltage at a pair of first input terminals, converts the DC voltage to voltage having a polarity corresponding to the AC voltage, and outputs the converted voltage from a pair of first output terminals insulated from the pair of first input terminals. The filter circuit receives the converted voltage at a pair of second input terminals, smoothes the converted voltage, and outputs the smoothed voltage as an AC voltage from a pair of second output terminals. A first switch circuit is arranged between the pair of first output terminals of the voltage conversion circuit and the pair of second input terminals of the filter circuit to operably connect the voltage conversion circuit and the filter circuit. A second switch circuit is arranged between the second input terminals of the filter circuit.
    • DC-AC转换器直接将直流电压转换为交流电压。 电压转换电路在一对第一输入端子接收直流电压,将直流电压转换成具有与交流电压对应的极性的电压,并从与该一对第一输入端子绝缘的一对第一输出端子输出转换电压 。 滤波电路在一对第二输入端子接收转换后的电压,使转换后的电压平滑,并从一对第二输出端子输出作为交流电压的平滑电压。 第一开关电路设置在电压转换电路的一对第一输出端和滤波电路的一对第二输入端之间,可操作地连接电压转换电路和滤波电路。 第二开关电路设置在滤波电路的第二输入端之间。