Identification and application of nonlinear dynamic load models

被引:0
|
作者
Yang J. [1 ]
Wu M. [1 ]
He Y. [1 ]
Xiong Y. [1 ]
机构
[1] School of Information Science and Engineering, Central South University, Hunan Engineering Laboratory for Advanced Control and Intelligent Automation, Changsha Hunan
来源
Wu, M. (min@csu.edu.cn) | 1600年 / South China University of Technology卷 / 11期
基金
中国国家自然科学基金;
关键词
Alternating least squares approach; Dynamic load models; Numerical derivative technique; Parameter estimation; Voltage stability;
D O I
10.1007/s11768-013-1206-z
中图分类号
学科分类号
摘要
An alternating least squares approach is developed in this paper to identify the exponential recovery dynamic load model of wide-area power systems. The nonlinear optimization problem is decomposed to two linear least squares problems, and solved in an alternating way. Then, a new algorithm for numerical derivative calculation using discrete Fourier transform is proposed to attenuate the effect of noises in the process of parameter estimation. Based on the estimated dynamic load characteristics, the application on voltage stability is analyzed. Finally, numerical and laboratory examples are conducted to demonstrate the effectiveness of the proposed methods. © 2013 South China University of Technology, Academy of Mathematics and Systems Science, Chinese Academy of Sciences and Springer-Verlag Berlin Heidelberg.
引用
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页码:173 / 179
页数:6
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