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为应对现阶段“风-光-水-储”一体化基地储蓄容量无法完全平抑新能源出力波动的问题，提出一种计及特高压直流外送通道等效储能效应的多区域“风-光-水-储”一体化基地优化策略。该策略综合考虑不同区域新能源出力的互补效益，联合特高压直流外送通道按需调控外送优势，挖掘特高压直流外送的等效储能效应，旨在降低对实际储能的依赖，最小化系统总运行成本，缓解电网调峰压力。仿真验证结果表明，采用考虑直流输电线路外送储能效应优化的不同区域多能互补协调运行模式，一定程度上提高了“风-光-水-储”一体化基地的资源利用效率，扩大了等效储蓄容量，增强了外送灵活性。
Abstract：To address the issue that the storage capacity of a wind-PV-hydro-storage integrated base at present cannot fully smooth the fluctuations of output from renewable energy,an optimization strategy for a multi-region wind-PV-hydro-storage integrated base is proposed,which takes into account the equivalent energy storage effect of ultra high voltage direct current(UHVDC)transmission channels. Under this strategy,the complementary benefits of output from renewable energy in different regions are considered comprehensively,and the advantages of flexible control of UHVDC transmission channels are combined to bring the equivalent energy storage effect of UHVDC transmission into full play.The goal is to reduce the reliance on physical energy storage,minimize the system's total operating costs and alleviate the peak-shaving pressure on the grid. Simulation results show that with the consideration of the energy storage effect of UHVDC transmission lines,the optimized multi-region multi-energy complementary coordination operating mode improves the resource utilization efficiency of the wind-PV-hydro-storage integrated base to some extent,expands the equivalent storage capacity and enhances the transmission flexibility.
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基本信息:
DOI：10.19635/j.cnki.csu-epsa.001608
中图分类号:TM721.1;TM61
引用信息:
[1]李欣,汪菁菁,赵张飞,等.计及直流等效储能效应的“风-光-水-储”一体化调度[J].电力系统及其自动化学报,2025,37(09):82-90.DOI:10.19635/j.cnki.csu-epsa.001608.
基金信息:
国家自然科学基金资助项目（52107107）
2025-01-19
2025
2025-03-10
2025-09-29
2025
1
2025-03-24
2025-03-24
2025-03-24