基于cvx求解储能调峰调频模型附matlab代码

最新推荐文章于 2025-12-01 18:45:00 发布

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该文提出了一种联合优化框架，利用电池储能系统同时进行峰值削峰和频率调节，考虑了电池损耗、运营约束和不确定性。结果显示，用户电费最多可降低15%，并且联合优化的节省往往大于单独应用电池的总节省。提出了一种简单的实时算法，实现了超线性增益。研究表明，电池在提供多重服务时能实现比预期更大的经济效益。

✅作者简介：热爱科研的Matlab仿真开发者，修心和技术同步精进，matlab项目合作可私信。

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⛄ 内容介绍

We consider using a battery storage system simultaneously for peak shaving and frequency regulation through a joint optimization framework which captures battery degradation, operational constraints and uncertainties in customer load and regulation signals. Under this framework, using real data we show the electricity bill of users can be reduced by up to 15%. Furthermore, we demonstrate that the saving from joint optimization is often larger than the sum of the optimal savings when the battery is used for the two individual applications. A simple threshold real-time algorithm is proposed and achieves this super-linear gain. Compared to prior works that focused on using battery storage systems for single applications, our results suggest that batteries can achieve much larger economic benefits than previously thought if they jointly provide multiple services.

⛄ 部分代码

function [total, elec, peak, bat, reg, regc, regp] = ...    ps_only(fig_flag, lambda, battery, T, ts, tt, s)cvx_begin quiet    variables b(T,1);    minimize (lambda.elec*ones(1,T)*(s-b)*ts + ...        lambda.peak*max(s-b) + lambda.battery*norm(b,1)*ts);    subject to    ones(1,T)*b == 0;    b >= -battery.power;           b <= battery.power;    tril(ones(T))*b*ts <= ones(T,1)*...        (battery.socini-battery.socmin)*battery.energy;    tril(ones(T))*b*ts >= ones(T,1)*...        (battery.socini-battery.socmax)*battery.energy;cvx_end% Billtotal = lambda.elec*ones(1,T)*(s-b)*ts + lambda.peak*max(s-b)...    + lambda.battery*norm(b,1)*ts;elec = lambda.elec*ones(1,T)*(s-b)*ts;peak = lambda.peak*max(s-b);bat = lambda.battery*norm(b,1)*ts;reg = 0;regc = 0;regp = 0;if fig_flag == 1    % SoC    SoC_3 = zeros(T,1);    SoC_3(1) = battery.socini;    for i = 2:T        SoC_3(i) = (battery.socini*battery.energy-sum(b(1:i-1))*ts)/battery.energy;    end    % figure    figure;    subplot(2,1,1)    hold all;    plot(tt,s,'-.b','LineWidth',2);    plot(tt,s-b,'--g','LineWidth',2);    hold off;    xlabel('time[s]');    ylabel('power[MW]');    grid on    legend('grid consumption','after shaving');    title(sprintf('Peak shaving only, shaved peak: %.2f', max(s)-max(s-b)));    subplot(2,1,2)    plot(tt,SoC_3,'b');    xlabel('time[s]');    ylabel('SoC[%]');    grid on    title('Battery only for peak shaving: SoC curve');endend

⛄ 运行结果

⛄ 参考文献

[1] Shi Y , Xu B , Wang D ,et al.Using Battery Storage for Peak Shaving and Frequency Regulation: Joint Optimization for Superlinear Gains[J].IEEE Transactions on Power Systems, 2017:1-1.DOI:10.1109/TPWRS.2017.2749512.