Phase Angle Control of Three Level Inverter Based D-STATCOM Using Neuro-Fuzzy Controller

被引:8
作者
Coteli, Resul [1 ]
Deniz, Erkan [1 ]
Dandil, Besir [1 ]
Tuncer, Servet
Ata, Fikret
机构
[1] Firat Univ, Tech Educ Fac, TR-23119 Elazig, Turkey
关键词
electric power quality; D-STATCOM; three-level H-bridge inverter; neuro-fuzzy controller; MATLAB;
D O I
10.4316/AECE.2012.01013
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Distribution Static Compensator (D-STATCOM) is a shunt compensation device used to improve electric power quality in distribution systems. It is well-known that D-STATCOM is a nonlinear, semi-defined and time-varying system. Therefore, control of D-STATCOM by the conventional control techniques is very difficult task. In this paper, the control of D-STATCOM is carried out by the neuro-fuzzy controller (NFC) which has non-linear and robust structure. For this aim, an experimental setup based on three-level H-bridge inverter is constructed. Phase angle control method is used for control of D-STATCOM's output reactive power. Control algorithm for this experimental setup is prepared in MATLAB/Simulink and downloaded to DS1103 controller card. A Mamdani type NFC is designed for control of D-STATCOM's reactive current. Output of NFC is integrated to increase tracking performance of controller in steady state. The performance of D-STATCOM is experimentally evaluated by changing reference reactive current as on-line. The experimental results show that the proposed controller gives very satisfactory performance under different loading conditions.
引用
收藏
页码:77 / 84
页数:8
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