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State feedback exact linearization control of virtual synchronous generator to improve transient performance

机译:虚拟同步发电机的状态反馈精确线性化控制,以改善暂态性能

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摘要

Virtual synchronous generator (VSG) is a grid-friendly way to integrate distributed energy. However, when the traditional VSG control method is used, the transient performance of the system may deteriorate when various short circuits occur. To solve this problem, a novel control strategy for VSG is proposed. Firstly, second order nonlinear state space model of signal VSG infinite bus system is analyzed to formulate the problem. Then, the model is transformed into a linear system by exact linearization and linear control law is gained with linear quadratic regulator. Finally, by carrying on inverse transformation, the nonlinear voltage control law is obtained. Simulation results are presented to verify the validity and effectiveness of the proposed control strategy.
机译:虚拟同步发电机(VSG)是整合分布式能源的网格友好型方法。但是,当使用传统的VSG控制方法时,发生各种短路时,系统的瞬态性能可能会下降。为了解决这个问题,提出了一种新颖的VSG控制策略。首先,分析了信号VSG无限总线系统的二阶非线性状态空间模型,提出了该问题。然后,通过精确的线性化将模型转换为线性系统,并使用线性二次调节器获得线性控制律。最后,通过逆变换,得到非线性电压控制律。仿真结果表明了所提出控制策略的有效性和有效性。

著录项

  • 来源
  • 会议地点 Wollongong(AU)
  • 作者单位

    State Key Lab of Power System, Department of Electrical Engineering, Tsinghua University, Beijing 100084, China;

    State Key Lab of Power System, Department of Electrical Engineering, Tsinghua University, Beijing 100084, China;

    State Key Lab of Power System, Department of Electrical Engineering, Tsinghua University, Beijing 100084, China;

    State Key Lab of Power System, Department of Electrical Engineering, Tsinghua University, Beijing 100084, China;

    State Key Lab of Power System, Department of Electrical Engineering, Tsinghua University, Beijing 100084, China;

    Qinghai Key Lab of Efficient, Utilization of Clean Energy, (New Energy Photovoltaic Industry Research Center, Qinghai University), Xining 810016, China;

    Qinghai Key Lab of Efficient, Utilization of Clean Energy, (New Energy Photovoltaic Industry Research Center, Qinghai University), Xining 810016, China;

    Key Laboratory of Photovoltaic, Power Generation and Grid-connected Technology, (Qinghai Electrical Power Research Institute, Xining 810008, China);

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Voltage control; Frequency control; Transient analysis; Circuit faults; Mathematical model; Oscillators; Power grids;

    机译:电压控制;频率控制;瞬态分析;电路故障;数学模型;振荡器;电网;

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