Transient Modeling and Simulation of Grid-forming Inverter-Driven by Dispatchable Virtual Oscillator
编号:376 访问权限:仅限参会人 更新:2022-05-20 17:22:45 浏览:190次 张贴报告

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摘要
Traditional transient simulation has a conflict between high computation accuracy and short computation time to solve nonlinear differential equations. In this paper, a three-phase nonlinear transient model of a dispatchable virtual oscillator-based grid-forming inverter is developed. The modeling method makes use of the amplitude-phase angle decoupled control equation within each time-step and enables integration with a three-phase distribution network solver based on Matlab platform. The proposed nonlinear transient model and the numerical iteration model are validated against simulation results of the Simulink model in a stand-alone system. Further, the two models are compared in a modified islanded IEEE-13 node distribution system. Comparison of the simulation results reflects the significant speed advantage of the proposed nonlinear transient model without loss of accuracy. The results also demonstrate that the dispatchable virtual oscillator control can maintain the system voltage and frequency stability in isolated distribution systems with multiple renewable sources.
 
关键词
Dispatchable virtual oscillator control;grid-forming inverter;nonlinear transient model;distribution network;islanded system
报告人
YijiangHan
中国科学院电工研究所

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重要日期
  • 会议日期

    05月27日

    2022

    05月29日

    2022

  • 02月28日 2022

    初稿截稿日期

  • 05月29日 2022

    注册截止日期

  • 06月22日 2022

    报告提交截止日期

主办单位
IEEE Beijing Section
China Electrotechnical Society
Southeast University
协办单位
IEEE Industry Applications Society
IEEE Nanjing Section
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