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首页> 外文期刊>International journal of electrical power and energy systems >A control parameter analysis method based on a transfer function matrix of hybrid multi-terminal HVDC system with flexible adaptability for different operation modes
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A control parameter analysis method based on a transfer function matrix of hybrid multi-terminal HVDC system with flexible adaptability for different operation modes

机译:一种控制参数分析方法,基于混合多终端HVDC系统传递函数矩阵,具有不同操作模式的灵活适应性

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摘要

To achieve better controller performance, the impact of control parameters on the stability and dynamic performance is essential to be clarified mathematically for hybrid multi-terminal HVDC (Hybrid-MTDC) systems considering different operation modes (OMs). In this paper, a generic small-signal model (SSM) is established, which can be modified flexibly for different OMs. Then the SSM can be converted into a transfer function matrix (TF-Matrix), which avoids deriving the transfer function separately for each controller of the system, and greatly improves the work efficiency. By inputting a step into the TF-Matrix, the time-domain mathematical model for the all system state variables can be obtained, and it is more efficient than iterative solutions of high-order differential equations. To this end, a quantitative control parameter analysis method based on a TF-Matrix is proposed. Utilizing the proposed method, a typical Hybrid-MTDC system is investigated, and the results demonstrate the practicality and accuracy of the proposed method.
机译:为实现更好的控制器性能,控制参数对稳定性和动态性能的影响对于考虑不同操作模式(OMS)的混合多终端HVDC(Hybrid-MTDC)系统来阐明。在本文中,建立了通用的小信号模型(SSM),其可以针对不同的OMS灵活地修改。然后,SSM可以转换成传送函数矩阵(TF矩阵),这避免为系统的每个控制器分开导出传输功能,并且大大提高了工作效率。通过将步骤输入到TF矩阵,可以获得所有系统状态变量的时域数学模型,并且比高阶微分方程的迭代解更有效。为此,提出了基于TF矩阵的定量控制参数分析方法。利用所提出的方法,研究了一种典型的杂交MTDC系统,结果证明了所提出的方法的实用性和准确性。

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