Discrete Data Load Frequency Control of Two-Area Power System with Multi-Source Power Generation

被引：0
|
作者：
Ramakrishna, K. S. S. [1 ]
Bhatti, T. S. [1 ]
机构：
[1] Indian Inst Technol Delhi, Ctr Energy Studies, Hauz Khas, New Delhi 110016, India
来源：
INTERNATIONAL ENERGY JOURNAL | 2008年 / 9卷 / 02期
关键词：
Discrete load frequency control; genetic algorithm; multi-source power generation; PID control;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper presents load frequency control (LFC) of interconnected power systems involving multi-source power generation. The investigations are carried on a typical two area power system comprising hydro, thermal, and gas power generations with speed governors in each area. A discrete time proportional-integral-derivative (PID) load frequency control is applied only to thermal and gas power generating units and hydro is allowed to operate at its scheduled generation level with only speed governor control. The transient performance of the two area power system is investigated for different combinations of generations from thermal and gas sources with different scheduled operating load conditions when subjected to step load disturbance of 1% in area-1. The PID controller gains are optimized using genetic algorithm (GA) for a sampling period of two seconds. The combination of integral squared error (ISE) and integral time an absolute error (ITAE) performance index is used for fitness evaluation.
引用
收藏
页码：145 / 154
页数：10
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