Secondary Control of Islanded Microgrids Using cascade PID Controllers tuned by combined GA and TLBO Algorithm

IF 1 Q4 ENERGY & FUELS
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引用次数: 0

Abstract

Electricity grids are now focusing on a new idea called "microgrids" (MG). The idea is to produce energy to reduce dependence on variable cost fuels and reduce harmful emissions into the atmosphere. The system under study is made up of a variety of energy sources, including controllable, renewable and non-controllable sources, as well as energy storage options. This combination is skillfully managed to ensure the MG's reliability and transparency in the face of intermittent power generation. Intermittent weather conditions from uncontrolled sources and loads, such as temperature, solar radiation, wind speed, etc., indicate the numerous disturbances to the MG. Due to the active power compensation, these disturbances affect the power quality, especially the frequency. In order to solve this problem, it is highly recommended to intelligently manage the sources that can be controlled in order to reduce the frequency variation. Using a dynamic model that uses a cascade combination of three proportional integral and derivative (PID) as a reliable frequency control under uncertainty, the controllable sources in this study are modified by a hybrid GA-TLBO. An autonomous MG is simulated in MATLAB/Simulink and tested under numerous circumstances to validate the proposed method for generating the given parameters to reduce the frequency variation in various scenarios.
基于遗传算法和TLBO算法联合整定的串级PID控制器的孤岛微电网二次控制
电网目前正专注于一种名为“微电网”(MG)的新理念。这个想法是生产能源,以减少对可变成本燃料的依赖,并减少有害气体排放到大气中。所研究的系统由多种能源组成,包括可控的、可再生的和不可控制的能源,以及储能选项。这种组合是巧妙地管理,以确保MG的可靠性和透明度,面对间歇性发电。来自不受控制的源和负载的间歇性天气条件,如温度、太阳辐射、风速等,表明对MG的众多干扰。由于有功功率补偿,这些干扰会影响电能质量,尤其是频率。为了解决这个问题,强烈建议对可控制的信号源进行智能管理,以减少频率变化。在不确定情况下,采用三个比例积分与导数(PID)级联组合作为可靠频率控制的动态模型,采用混合GA-TLBO对可控源进行修正。在MATLAB/Simulink中仿真了一个自主MG,并在多种情况下进行了测试,以验证所提出的生成给定参数的方法,以减少各种情况下的频率变化。
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来源期刊
International Journal of Renewable Energy Research
International Journal of Renewable Energy Research Energy-Energy Engineering and Power Technology
CiteScore
2.80
自引率
10.00%
发文量
58
期刊介绍: The International Journal of Renewable Energy Research (IJRER) is not a for profit organisation. IJRER is a quarterly published, open source journal and operates an online submission with the peer review system allowing authors to submit articles online and track their progress via its web interface. IJRER seeks to promote and disseminate knowledge of the various topics and technologies of renewable (green) energy resources. The journal aims to present to the international community important results of work in the fields of renewable energy research, development, application or design. The journal also aims to help researchers, scientists, manufacturers, institutions, world agencies, societies, etc. to keep up with new developments in theory and applications and to provide alternative energy solutions to current issues such as the greenhouse effect, sustainable and clean energy issues.
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