应用于电网等值谐波阻抗计算的线性回归式算法比较

The Comparison of Linear Regression Algorithms of the Equivalent Harmonic Impedance Calculation Applied in Power Grid

谐波源探测及谐波发射水平评估需要以电网等值谐波阻抗的准确测量为基础,论文重点介绍几种典型的应用于谐波阻抗计算的线性回归式算法。经过对这些算法特征的分析,指出了这些算法各自的核心思想,通过比较分别说明了相关方法的优点和不足之处。最后,分析了电网等值谐波阻抗计算研究的发展方向。

The accurate measurement of the power system harmonic impedance is the base of harmonic source detection and harmonic emission level evaluation. This paper mainly introduces several typical linear regression algorithms for harmonic impedance calculation, and points out their core ideas by the analysis of their characteristics. Also, it shows the advantages and disadvantages of these algorithms. Finally this paper analyzes the research direction of the equivalent harmonic impedance calculation in power grid.