电力建设2024，Vol.45Issue(12)：16-26,11.DOI:10.12204/j.issn.1000-7229.2024.12.002
考虑热网特性的综合能源系统混合时间尺度调度方法
Hybrid Time Scale Scheduling Method for Integrated Energy Systems Considering the Characteristics of Heating Networks
摘要
Abstract
Most studies have been conducted from the perspective of multiple time scheduling scales to address the impact of renewable energy uncertainty on the scheduling of integrated energy systems.However,this method only sets multiple time scheduling steps from a time domain perspective,ignores the frequency domain information of renewable energy output,and does not consider the operational characteristics of the heating network under different time scales.Therefore,in this study,a hybrid time scale scheduling method for integrated energy systems that considers the characteristics of the heating network is proposed.First,time-frequency decomposition is performed on the output signal of renewable energy,and a time-sharing scheduling step function for electricity scheduling is constructed based on instantaneous frequency to form a nonuniformly mixed scheduling step on the grid side.Based on the power scheduling step,different heat transfer models are selected according to the operational characteristics of the heating network under different scheduling steps.Finally,the calculation results show that the proposed method can save an average cost of 9.5%in summer and 6%in winter.The average time savings compared to a 15-min scheduling step are 47.8%in sunny summer and 39.4%in sunny winter,indicating the effectiveness of this method in reducing costs and computing time.关键词
可再生能源/时频分解/非均匀混合调度步长/热网特性/综合能源系统Key words
renewable energy/time-frequency decomposition/nonuniformly mixed scheduling step size/heating network characteristics/integrated energy system分类
信息技术与安全科学引用本文复制引用
郭斯琦,楼劲,郑凌蔚..考虑热网特性的综合能源系统混合时间尺度调度方法[J].电力建设,2024,45(12):16-26,11.基金项目
This work is supported by the Natural Science Foundation of Zhejiang Province(No.LY24F030010). 浙江省自然科学基金资助项目(LY24F030010) （No.LY24F030010）
