A new PID controller design for automatic generation control of hydro power systems

被引：130
|
作者：
Khodabakhshian, A. [1 ]
Hooshmand, R. [1 ]
机构：
[1] Univ Isfahan, Dept Elect Engn, Esfahan, Iran
来源：
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2010年 / 32卷 / 05期
关键词：
Power systems; Load frequency control; PID controller; LOAD-FREQUENCY CONTROL;
D O I：
10.1016/j.ijepes.2009.11.006
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：
This paper presents a new robust PID controller for automatic generation control (AGC) of hydro turbine power systems. The method is mainly based on a maximum peak resonance specification that is graphically supported by the Nichols chart. The open-loop frequency response curve is tangent to a specified ellipse and this makes the method to be efficient for controlling the overshoot, the stability and the dynamics of the system. Comparative results of this new load frequency controller with a conventional PI one and also with another PID controller design tested on a multimachine power system show the improvement in system damping remarkably. The region of acceptable performance of the new PID controller covers a wide range of operating and system conditions. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：375 / 382
页数：8
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