Application of a multivariable feedback linearization scheme for STATCOM control

被引:53
作者
Sahoo, NC [1 ]
Panigrahi, BK [1 ]
Dash, PK [1 ]
Panda, G [1 ]
机构
[1] Reg Engn Coll, Dept Elect Engn, Rourkela 769008, India
关键词
static synchronous compensator; distribution system; feedback linearization; nonlinear control;
D O I
10.1016/S0378-7796(02)00011-1
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 paper investigates application of a multivariable control technique to the multi-input multi-output (MIMO) nonlinear model of a static synchronous compensator (STATCOM). The proposed controller design is based on a feedback linearization scheme. Its prime goal is the coordinated control of ac and do voltage for a STATCOM installed in a power distribution system. First, the nonlinear mathematical model of STATCOM along with the distribution system is derived. Then, by using input-output feedback linearization, a state feedback control law is obtained by pole placement. The efficacy of the control strategy is evaluated by digital computer simulations on the complete system for various types of loads and/or disturbances. The comparative study of these results with those obtained in a conventional cascade control architecture establishes the elegance of this new control scheme. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:81 / 91
页数:11
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