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GRID INTERCONNECTION INVERTER AND GRID INTERCONNECTION DEVICE
GRID INTERCONNECTION INVERTER AND GRID INTERCONNECTION DEVICE
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机译:网格互连逆变器和网格互连设备
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摘要
A grid interconnection inverter includes: a voltage conversion circuit configured to output an intermediate voltage by raising or lowering an input voltage from a direct current power source; and a waveform conversion circuit configured to convert the intermediate voltage into a alternating current power in a sine waveform shape. The voltage conversion circuit includes: a positive-side circuit arranged on a positive-side line between a positive polarity of the direct current power source and the waveform conversion circuit; and a negative-side circuit arranged on a negative-side line between a negative polarity of the direct current power source and the waveform conversion circuit. The positive-side circuit and the negative-side circuit have circuit configurations symmetric to each other.
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