A Study of Load Frequency Control for Two Area Power System Using Two Controllers

2018 International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE) Pub Date : 2018-08-01 DOI:10.1109/ICCCEEE.2018.8515892

S. A. Rahim, Serien Ahmed, M. Nawari

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引用次数: 5

Abstract

Power demand in any region is continuously increasing causing changes in system’s frequency and hence causes major problems in system stability. Interconnected power systems have great advantages to maintain the stability, insure continuity of supply and furthermore maintain the frequency to its nominal value. The control of the interconnected power systems is done by Automatic Generation Control (AGC), which is composed of two parts, Automatic Voltage Regulator (AVR) and Load Frequency Control (LFC). Whenever a disturbance occurs, LFC acts to restore the system into its steady state with zero error as well as desired transient response characteristics. This paper demonstrates the design and implementation of integral and fuzzy logic controller (FLC) for a two area power system taking the steady state error and percent overshoot as comparison parameters. For a step load perturbation, the FLC produced better transient characteristics for the frequency deviation. MATLAB/ SIMULINK software was used to carry out the implementation and obtain results.

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采用双控制器的两区电力系统负荷频率控制研究

任何地区的电力需求都在不断增加，导致系统频率的变化，从而给系统稳定性带来重大问题。互联电力系统在保持稳定、保证供电的连续性以及将频率保持在标称值上具有很大的优势。互联电力系统的控制由自动发电控制(AGC)完成，AGC由自动调压器(AVR)和负载频率控制(LFC)两部分组成。当扰动发生时，LFC的作用是将系统恢复到零误差的稳态，并具有所需的瞬态响应特性。本文介绍了以稳态误差和超调率为比较参数的两区电力系统的积分模糊控制器的设计与实现。对于阶跃负载摄动，FLC对频率偏差产生了更好的瞬态特性。采用MATLAB/ SIMULINK软件进行实现并获得结果。

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2018 International Conference on Computer, Control, Electrical, and Electronics Engineering (ICCCEEE)

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