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拉格朗日乘子法电力系统网络参数错误辨识的应用

, PP. 43-49

Keywords: 电力系统,参数辨识,状态估计,拉格朗日乘子,参数估计,多量测断面

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Abstract:

电力系统网络参数是能量管理系统各个高级应用的重要基础,因此对网络参数错误的辨识十分必要。拉格朗日乘子法是网络参数错误辨识的一种有效方法。基于已有的拉格朗日乘子法网络参数辨识理论研究,给出了具体的实现步骤,并提出了使用多个量测断面的网络参数辨识和估计方法。通过9节点系统展示了所提出的拉格朗日乘子法参数辨识流程,并通过118节点系统的仿真实验验证了该方法的有效性,开发了高效的实用化参数辨识与估计软件,简要介绍了该软件在中国部分调度中心的实际应用情况。

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