NONLINEAR FIELD VOLTAGE CONTROL OF A SYNCHRONOUS GENERATOR USING FEEDBACK LINEARIZATION

被引:55
|
作者
MIELCZARSKI, W
ZAJACZKOWSKI, AM
机构
[1] MINIST IND,DEPT FUNDAMENTAL RES ELECTROTECH,WARSAW,POLAND
[2] POLISH ACAD SCI,INST ELECTROTECH,PL-04703 WARSAW,POLAND
关键词
(FEEDBACK LINEARIZATION); NONLINEAR CONTROL SYSTEMS; STATE ESTIMATION; OBSERVERS; ELECTRIC POWER SYSTEMS; GENERATORS;
D O I
10.1016/0005-1098(94)90102-3
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The problem of synthesizing a field voltage controller for a synchronous generator is considered. Using the theory of feedback linearization of nonlinear systems, the existence of a linearizing feedback for an improved reduced-order three-dimensional model of a generator is proved and the most simple form of this feedback is derived. An application of the obtained nonlinear control law to synchronous generator stabilization gives very good results, not only for the reduced-order model but also for the 'exact' Park's model of a generator. Simulations of fault and post-fault transients in the obtained control system with the synchronous generator (P = 360 MW), in the presence of a nonlinear state observer and field voltage limiters confirmed superiority of this control system as opposed to a system with a linear optimal controller.
引用
收藏
页码:1625 / 1630
页数:6
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