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Controlled-Type ZVS Technique without Auxiliary Components for Micro-inverters

机译:不带用于微逆变器的辅助组件的受控型ZVS技术

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摘要

This paper proposes a Boundary Current Mode (BCM) control scheme to realize soft switching on a conventional single phase full bridge DC/AC inverter. This technique with the advantages of no auxiliary components, low cost, high efficiency, and simple in control, is attractive for micro-inverter applications. The operation principle and characteristic waveforms of the proposed soft switching technique are analyzed in theory. A digital controller is provided based on that theory. To balance the requirements of efficiency, switching frequency, and inductor size, the design considerations are discussed in detail to guide in BCM inverter construction. A 150W prototype is built under these guidelines to implement the BCM control scheme. Simulation and experiment results demonstrate the feasibilities of the proposed soft switching technique.
机译:本文提出了一种边界电流模式(BCM)控制方案,以实现传统单相全桥DC / AC逆变器的软切换。该技术无需辅助部件,成本低,效率高,控制简单,对微型逆变器应用具有吸引力。从理论上分析了所提出的软开关技术的工作原理和特征波形。基于该理论提供了数字控制器。为了平衡效率,开关频率和电感器尺寸的要求,详细讨论了设计注意事项,以指导BCM逆变器的构造。根据这些指导方针构建了一个150W的原型,以实施BCM控制方案。仿真和实验结果证明了所提出的软开关技术的可行性。

著录项

  • 来源
    《Journal of power electronics》 |2013年第6期|919-927|共9页
  • 作者单位

    Dept. of Electronic Eng., University of Central Florida, Orlando, USA;

    Dept. of Electronic Eng., Zhejiang University, Zhejiang, China;

    Dept. of Electronic Eng., Nanjing University of Aeronautics and Astronautics, Nanjing, China;

    Dept. of Electrical and Computer Eng., Illinois Institute of Technology, Chicago, USA;

    Dept. of Electronic Eng., University of Central Florida, Orlando, USA;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    BCM; Inverters; Soft-switching techniques;

    机译:BCM;逆变器软交换技术;

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