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Hierarchical Cluster Coordination Control Strategy for Large-scale Wind power Based on Model Predictive Control and Improved Multi-time-scale active power dispatching

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Journal of Modern power Systems and Clean Energy 2023年第3期11卷 827-839页

作者： Ying Zhu Yanan Zhang Zhinong Wei College of Energy and Electrical Engineering Hohai UniversityNanjing 210098China

The grid-connection of large-scale and high-penetration wind power poses challenges to the friendly dispatching control of the power *** coordinate the complicated optimal dispatching and rapid real-time control,this paper proposes a hierarchical cluster coordination control(HCCC)strategy based on model predictive control(MPC)*** the time-varying characteristics of wind power generation,the proposed HCCC strategy constructs an improved multitime-scale active power dispatching model,which consists of five parts:formulation of cluster dispatching plan,rolling modification of intra-cluster plan,optimization allocation of wind farm(WF),grouping coordinated control of wind turbine group(WTG),and real-time adjustment of single-machine *** time resolutions are sequentially given as 1 hour,30 min,15 min,5 min,and 1 *** addition,a combined predictive model based on complete ensemble empirical mode decomposition with adaptive noise(CEEMDAN),wavelet thresholding(WT),and least squares support vector machine(LSSVM)is *** fast predictive feature of this model cooperates with the HCCC strategy that effectively improves the predictive control *** results show that the proposed HCCC strategy enables rapid response to active power control(APC),and significantly improves dispatching control accuracy and wind power accommodation capabilities.

关键词： Wind power active power dispatching model predictive control(MPC) hierarchical control wind power prediction

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Wind farm active power dispatching algorithm based on Grey Incidence

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Global Energy Interconnection 2023年第2期6卷 175-183页

作者： Binbin Zhang Mengxin Jia Chaobo Chen Kun Wang Jichao Li School of Electronic and Information Engineering Xi’an Technological UniversityXi’an 710021P.R.China

This study proposes a wind farm active power dispatching(WFAPD) algorithm based on the grey incidence method, which does not rely on an accurate mathematical model of wind turbines. Based on the wind turbine start-stop data at different wind speeds, the weighting coefficients, which are the participation degrees of a variable speed system and a variable pitch system in power regulation, are obtained using the grey incidence method. The incidence coefficient curve is fitted by the B-spline function at a full range of wind speeds, and the power regulation capacity of all wind turbines is obtained. Finally, the WFAPD algorithm, which is based on the regulating capacity of each wind turbine, is compared with the wind speed weighting power dispatching(WSWPD) algorithm in MATLAB. The simulation results show that the active power fluctuation of the wind farm is smaller, the rotating speed of wind turbines is smoother, and the fatigue load of highspeed turbines is effectively reduced.

关键词： Wind farm active power dispatching Grey incidence B-spline function

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维普期刊数据库

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active power Consensus Control for Wind Turbines with Time Delays

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Chinese Journal of Electrical Engineering 2022年第2期8卷 86-96页

作者： Shixian Feng Mei Yu Bo Wei Feng Xiao School of Control and Computer Engineering North China Electric Power UniversityBeijing 102206China

The distributed active power control problem is explored by equating wind turbines to multi-agent systems in this *** time delays and unknown topological relations are considered in the proposed *** the graph discovery algorithm,the algebraic connectivity of the graph is found in ***,a proportional control protocol is proposed based on the adjustable margin of different wind ***,the proposed distributed controller not only handles the problem of supply-demand balance between the wind farm and power grid but also regulates the output power of individual wind turbines based on their ***,simulations are performed on the wind turbines to illustrate the validity of the proposed method.

关键词： Multi-agent system active power dispatching graph discovery distributed control

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