A Continuation-Based Method to Compute the Relevant Unstable Equilibrium Points for Power System Transient Stability Analysis

被引：27

作者：

Chen, Lei ^{[1
]}

Min, Yong ^{[1
]}

Xu, Fei ^{[1
]}

Wang, Kai-Peng ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER SYSTEMS | 2009年 / 24卷 / 01期

基金：

美国国家科学基金会;

关键词：

Continuation method; direct method; transient stability; unstable equilibrium point (UEP); NONLINEAR DYNAMIC-SYSTEMS; REGION ESTIMATE; ENERGY; APPROXIMATION; FLOW;

D O I：

10.1109/TPWRS.2008.2009395

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

080906 [电磁信息功能材料与结构]; 082806 [农业信息与电气工程];

摘要：

The computation of the unstable equilibrium point (UEP) is a key step involved in the direct methods of power system transient stability analysis. A new continuation-based method to compute the UEPs is proposed. The mechanical powers of the generators are changed to form a parameterized equation. Then the solution curve of the equation is traced by the continuation method from the stable equilibrium point to a UEP. The direction of power increase is determined to get a UEP relevant to the fault. The obtained UEPs are mostly type-1 and the method is applicable to detailed generator models. The method is tested in several systems and satisfactory results are obtained.

引用

页码：165 / 172

页数：8

共 24 条

[1]

THE CONTINUATION POWER FLOW - A TOOL FOR STEADY-STATE VOLTAGE STABILITY ANALYSIS [J].