A single-phase, three-level dc-to-ac power converter using unipolar switching method with low switching loss is designed to reduce the output voltage harmonics and increase conversion efficiency.

 
  • 負載側或并聯(lián)市電側之直流-交流功率轉換器將采用單相三階層直流-交流功率轉換器,以減少輸出電壓之諧波含量,并使用低損失之單極式正弦脈波寬度調變技術(shù)以提高轉換效率。
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