Effect of load modeling on voltage stability

Author

Zhu, S.Z. ; Zheng, J.H. ; Li, L. ; Shen, S.D. ; Luo, G.M.

Author_Institution

Dept. of Electr. Eng., Tsinghua Univ., Beijing, China

Volume

1

fYear

2000

fDate

16-20 July 2000

Firstpage

395

Abstract

This paper analyzes the analysis of the relation between the mechanism of voltage stability and load models. Two methods, IV (instrumental variable) and MSAR (minimium sum of the absolute residues), are used to identify load parameters of nonlinear and linear load model. ESA (eigenvalue-structure analysis) and two sensitivity methods based on ESA are presented to analyze the voltage stability: sensitivity on state variables or control variables and sensitivity of total generated reactive power. Examples are presented by simulation on the IEEE-14 bus system, which shows quantitative effects of different load models.

Keywords

eigenvalues and eigenfunctions; load (electric); power system stability; reactive power; sensitivity analysis; IEEE-14 bus system; eigenvalue-structure analysis; instrumental variable method; linear load model; load modeling effect; load parameters identification; minimum sum of the absolute residues method; nonlinear load model; sensitivity methods; total generated reactive power; voltage stability; Instruments; Load modeling; Mathematical model; Power generation; Power system analysis computing; Power system dynamics; Power system modeling; Power system stability; Stability analysis; Voltage control;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Engineering Society Summer Meeting, 2000. IEEE

Conference_Location

Seattle, WA

Print_ISBN

0-7803-6420-1

Type

conf

DOI

10.1109/PESS.2000.867617

Filename

867617