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会员 A Novel Single-Phase Three-Wire Three-Level Power Inverter with a Balance Bridge
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  • 作者:
    Yi Zhu  , Huiqing Wen  , Yong Yang  
  • 页数:
    5
  • 页码:
    1326 - 1330
  • 资源:
  • 文件大小:
    1.10M
摘要
This article presents a single-phase three-wire three-level power inverter with a balance bridge. The topology of the proposed converter is based on two NPC legs and a 2L leg. SPWM modulation technology and a PI-based controller are applied to regulate the voltage. The two phases are controlled independently. To regulate the phase voltage, a voltage outer loop and a current inner loop are applied to each phase. A dc-link voltage balance technology is proposed based on the model of the converter. The converter can work on-grid and off-grid by switching the control loop. Experimental results are presented to verify the effectiveness of the proposed topology and control strategy.
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