Variable Projection Method for Power System Modal Identification

被引：39

作者：

Borden, Alexander R. ^{[1
]}

Lesieutre, Bernard C. ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Elect & Comp Engn, Madison, WI 53706 USA

来源：

IEEE TRANSACTIONS ON POWER SYSTEMS | 2014年 / 29卷 / 06期

关键词：

ERA; matrix pencil; modal analysis; power systems; Prony analysis; variable projection; NONLINEAR LEAST-SQUARES; PRONY ANALYSIS;

D O I：

10.1109/TPWRS.2014.2309635

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Common power system disturbances are characterized by oscillations that either damp out, sustain or grow. This oscillatory response can be measured and analyzed to extract modal information of the system. In this paper we apply a nonlinear least-squares optimization method known as the variable projection method to power system models and data. The variable projection method is compared against several linear methods such as Prony analysis, Matrix-Pencil and ERA, and the results suggest the nonlinear least-squares approach is superior.

引用

页码：2613 / 2620

页数：8

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