STATCOM BASED FUZZY CONTROLLER FOR GRID CONNECTED WIND GENERATOR

被引:0
|
作者
Thakare, S. G. [1 ]
Dalvi, H. S. [2 ]
Joshi, K. D. [3 ]
机构
[1] GH Raisoni Coll Engn, Nagpur, Maharashtra, India
[2] Govt Coll Engn, Dept Elect Engn, Amravati, Maharashtra, India
[3] GH Raisoni Coll Engn, Dept Elect Engn, Nagpur, Maharashtra, India
关键词
Fuzzy logic controller(FLC); Pulse width Modulator (PWM); Static synchronous compensator (STATCOM); Voltage source converter(VSC); Wind power generation system (WPGS));
D O I
暂无
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
Like conventional power plants, wind power plants must provide the power quality required to ensure the stability & reliability of the power system. Increasing amount of wind turbine are connected to electrical power system in order to mitigate the negative environmental consequence of conventional electricity generation. While connecting wind turbine to grid it is important to understand source of disturbance that affect the power quality. In general voltage & frequency must be kept as stable as possible. This stability can be obtained by using FACTS devices. Recently voltage-source or current-source inverter based various FACTS devices have been used for flexible power flow control, secure loading and damping of power system oscillation. Some of those are used also to improve transient & dynamic stability of wind power generation system (WPGS). In this paper, we propose the static reactive compensator (STATCOM) based on voltage source converter (VSC) PWM technique to stabilize grid connected squirrel cage wind generator system. A simple control strategy of STATCOM is adopted where only measurement of rms voltage at the wind generator terminal is needed, there is no need of reactive power measurement. Fuzzy logic controller is used as the control a methodology of STATCOM, rather than conventional PI controller. The voltage sag and swell improvement of WPGS is compared with both fuzzy and PI controller. Moreover, the steady state capacitor value used with induction generator reduced by certain percentage when STATCOM is used with WPGS.
引用
收藏
页码:1154 / +
页数:2
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