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电力系统抗差状态估计研究

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摘要摘要院状态估计能高效地估计出电力系统最佳的运行状态。测试并比较了基于原对偶内点法的加权最小绝对值估计与基于牛顿法求解的二次-线性准则、加权最小二乘估计的估计精度与计算效率，由测试结果可知，加权最小二乘估计虽有较高的计算效率，但估计精度偏差，而加权最小绝对值估计有着较高的估计精度，但较低的计算效率也限制了其工程应用。

DOI zdlzq3nzjl/2824016

作者谢照军

机构地区谢照军XIEZhao-jun（无锡供电公司，无锡214000）（StateGridWuxiPowerSupplyCompany，Wuxi214000，China）

出处《价值工程》 2014年11期

关键词 Abstract院State estimation can efficiently estimate the optimum operation of power systems. Several simulated tests are carried out inorder to compare three state estimators&mdash WLAV (Weighted Least Absolute Value) which solved by PDIPM (Primal-Dual Interior PointMethod) QL(Quartic linear) WLS(Weighted Least Square WLS) both on estimated accuracy and computational efficiency. According to thesimulated results WLS has a high computational efficiency but with a poor estimated accuracy. However the estimated accuracy of WLAVoutperforms the other two estimators but meanwhile its low computational efficiency restricts its application in the industry.院电力系统抗差估计加权最小绝对值原对偶内点法Key words院power system robust state estimation WLAV PDIPM中图分类号院TM732 文献标识码院A 文章编号院1006-4311（2014）31-0068-02

分类 [经济管理][企业管理]

出版日期 2014年11月21日（中国期刊网平台首次上网日期，不代表论文的发表时间）

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来源期刊

价值工程

价值工程

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相关关键词

Abstract院State estimation can efficiently estimate the optimum operation of power systems. Several simulated tests are carried out inorder to compare three state estimators&mdash WLAV (Weighted Least Absolute Value) which solved by PDIPM (Primal-Dual Interior PointMethod) QL(Quartic linear) WLS(Weighted Least Square WLS) both on estimated accuracy and computational efficiency. According to thesimulated results WLS has a high computational efficiency but with a poor estimated accuracy. However the estimated accuracy of WLAVoutperforms the other two estimators but meanwhile its low computational efficiency restricts its application in the industry.院电力系统抗差估计加权最小绝对值原对偶内点法Key words院power system robust state estimation WLAV PDIPM中图分类号院TM732 文献标识码院A 文章编号院1006-4311（2014）31-0068-02

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