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郭云峰, 钱江波, 刘奥, 等. 基于多元储能的综合能源系统多时间尺度优化运行研究[J]. 太阳能学报, 2025,(11):461-469.
郭云峰, 钱江波, 刘奥, et al. 基于多元储能的综合能源系统多时间尺度优化运行研究[J]. 2025, (11): 461-469.
郭云峰, 钱江波, 刘奥, 等. 基于多元储能的综合能源系统多时间尺度优化运行研究[J]. 太阳能学报, 2025,(11):461-469. DOI: doi:10.19912/j.0254-0096.tynxb.2024-1163.
郭云峰, 钱江波, 刘奥, et al. 基于多元储能的综合能源系统多时间尺度优化运行研究[J]. 2025, (11): 461-469. DOI: doi:10.19912/j.0254-0096.tynxb.2024-1163.
为解决可再生能源消纳水平低和用户负荷波动所造成的源-荷供需不平衡的问题
以三阶段多时间尺度方法为研究环境
其中日前、日内、实时优化的时间尺度分别为1 h、15 min、1 min
逐级优化系统中各设备出力计划。实时在日内规划的各设备出力计划上
增加超级电容设备
完善系统中储电设备的种类。利用变分模态分解(VMD)分频技术将系统的差额功率分为高频和低频信号
对能量型和功率型两种储电设备重新进行调峰调频。结果表明
实时优化阶段增加超容后可节省90%的锂电池充放电成本
充放电次数由131次减少到13次
可降低整个系统的日运行成本。
To tackle the challenge of source-load imbalance caused by the underutilization of renewable energy and the variability in user demand
this research introduces a multi-time scale optimization strategy for an integrated energy system featuring multiple energy storage units. The proposed strategy employs a systematic three-tier optimization framework
designated as “day-ahead—intra-day—real-time peak regulation and frequency modulation”. This framework meticulously refines the operational plans for all system components at different stages. Specifically
the day-ahead optimization operates on a 1-hour time scale
the intra-day optimization on a 15-minute interval
and the real-time adjustment on a 1-minute cycle. In real-time planning
supercapacitor(SC) equipment is incorporated into the output plan for each day-intra equipment schedule
employing variational mode decomposition(VMD) frequency division technology. The system’s differential power is divided into high-frequency and low-frequency components
and both the energy-type and power-type storage devices are reconfigured. Through this process
the study determines the optimal VMD frequency-dirition ration. The results show that the charge and discharge cost of the lithium-ion battery can be saved 90% by increasing the supercapacitor in the real-time optimization stage
and the charge and discharge times are reduced from 131 to 13 times.
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