Design of a Self-Tuning PI Controller for a STATCOM Using Particle Swarm Optimization

被引:132
|
作者
Liu, Chien-Hung [1 ]
Hsu, Yuan-Yih [1 ]
机构
[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 106, Taiwan
关键词
Particle swarm optimization (PSO); reactive power compensation; self-tuning proportional-integral (PI) controller; static synchronous compensator (STATCOM); voltage regulation; NEURAL-NETWORK; POWER; COMPENSATOR; PERFORMANCE; SYSTEM; TOPOLOGIES; INVERTERS; SCHEME; FILTER; LOADS;
D O I
10.1109/TIE.2009.2028350
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A self-tuning proportional-integral (PI) controller in which the controller gains are adapted using the particle swarm optimization (PSO) technique is proposed for a static synchronous compensator (STATCOM). An efficient formula for the estimation of system load impedance using real-time measurements is derived. Based on the estimated system load, a PSO algorithm, which takes the best particle gains, the best global gains, and previous change of gains into account, is employed to reach the desired controller gains. To demonstrate the effectiveness of the proposed PSO self-tuning PI controller for a STATCOM, experimental results for a system under different loading conditions are presented. Results from the self-tuning PI controller are compared with those from the fixed-gain PI controllers.
引用
收藏
页码:702 / 715
页数:14
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