Robust multimachine power systems control via high order sliding modes

被引:43
|
作者
Huerta, H. [1 ]
Loukianov, A. G. [1 ]
Canedo, J. M. [1 ]
机构
[1] CINVESTAV, Unidad Guadalajara, Guadalajara 44550, Jalisco, Mexico
关键词
Decentralized control; Sliding mode control; Power system; Synchronous generators; Nonlinear system; SYNCHRONOUS GENERATOR; TRANSIENT STABILITY;
D O I
10.1016/j.epsr.2011.03.014
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
This article presents a formal study of the transient stabilization problem, including a stability proof. A decentralized nonlinear robust control scheme for multimachine electrical power systems is presented. The mathematical model takes into account the interconnections between electrical elements of the power system such as generators, electric networks, loads and exciters. Each generator is considered as a seventh order system that includes the mechanical and rotor electrical dynamics with static exciter dynamics. The proposed control scheme is based on the Block Control methodology and Second Order Sliding Modes technique using the Super Twisting algorithm. A nonlinear observer is designed to estimate the rotor fluxes of the synchronous machines. The designed decentralized control scheme requires the only local information for each local controller. This control scheme was tested through simulation on the well known reduced 9 buses equivalent model of the WSCC system. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码:1602 / 1609
页数:8
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