LPV-based power system stabilizer: Identification, control and field tests

被引：5
|
作者：
Nogueira, Fabricio Gonzalez [1 ]
Barra Junior, Walter [2 ]
da Costa Junior, Carlos Tavares [2 ]
Lana, Janio Jose [3 ]
机构：
[1] Univ Fed Ceara, Dept Elect Engn, BR-60455760 Fortaleza, Ceara, Brazil
[2] Fed Univ Para, Dept Elect Engn, Belem, Para, Brazil
[3] Tucurui Hydroelect Power Plant, Cent Eletr Norte Brasil, Tucurui, PA, Brazil
来源：
CONTROL ENGINEERING PRACTICE | 2018年 / 72卷
关键词：
LPV control; LPV system identification; Linear matrix inequality; Robust LMI relaxations; Sums of squares decomposition; Power system stabilizer; ROBUST-CONTROL; DESIGN; OSCILLATIONS; RELAXATIONS; PERFORMANCE; PROGRAMS;
D O I：
10.1016/j.conengprac.2017.11.004
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper shows the design and tests of an LPV power system stabilizer aimed at improving the damping of electromechanical oscillations in power systems. In order to capture the dynamic model for control design, LPV models were estimated from experimental data. The generator active and reactive powers were used as scheduling parameters. The control problem is formulated as a parameterized linear matrix inequality, which the positivity condition is relaxed through a sum-of-squares decomposition. The controller ensures stability and H-infinity performance for a set of operating conditions. Field tests were carried out on a 10-kVA machine and on a 350-MVA hydroelectric generator. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：53 / 67
页数：15
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