考虑受端电网运行安全的台风条件下海上风电场协调运行策略The coordinated operation strategy for offshore wind farms with energy storage under typhoon conditions considering the operation safety demand of receiver grid
谢善益,杨强,谢恩彦,仲卫,周刚
XIE Shanyi,YANG Qiang,XIE Enyan,ZHONG Wei,ZHOU Gang
摘要(Abstract):
台风是导致海上风电大规模脱网的重要因素,极易造成受端电网的严重供需失衡,进而影响区域电力系统的安全稳定运行。因此,首先针对实际台风路径,建立了基于Rankine漩涡模型的台风数学模型,并提出了减缓风力骤降影响的方法;随后,充分考虑受端电网的运行安全需求,提出了含储能的海上风电场协同运行策略,以系统安全性、稳定性和运行经济性为目标,综合考虑弃风量和储能调节能力等因素,对海上风电的弃风量进行了优化;最后,对含储能海上风电接入的受端电网系统进行了仿真分析,结果表明该策略在保证受端系统安全性和稳定性的同时,可最小化海上风电场的运行成本。
Typhoon is an important factor leading to large-scale off-grid of offshore wind power, which is easy to cause a serious imbalance of supply and demand in the affected power grid, thus affecting the safe and stable operation of the regional power system, especially the coastal power grid with large-scale offshore wind power access.Based on this, this paper first establishes a typhoon mathematical model based on Rankine vortex model for the actual typhoon path. The method to slow down the effect of sudden drop of wind is proposed. Then, taking full account of the operation safety requirements of the receiving end power grid, a collaborative operation strategy of offshore wind farm including energy storage was proposed. Aiming at system safety, stability and operation economy, factors such as air abandonment volume and energy storage regulation capacity were comprehensively considered to optimize the wind abandonment volume of offshore wind power. Finally, a simulation analysis is carried out on the receiving end grid system of offshore wind power with energy storage. The results show that the strategy can minimize the operating cost of offshore wind power farm while ensuring the safety and stability of the receiving end system.
关键词(KeyWords):
海上风电场;储能;电网运行安全;台风;协调运行
offshore wind farms;energy storage;grid operation safety;typhoon;coordinated operation
基金项目(Foundation): 南方电网有限责任公司科技项目(GDKJXM20201996)
作者(Author):
谢善益,杨强,谢恩彦,仲卫,周刚
XIE Shanyi,YANG Qiang,XIE Enyan,ZHONG Wei,ZHOU Gang
DOI: 10.19585/j.zjdl.202310003
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