摘要
近年来新能源并网比例不断提高,需要更多的灵活性资源参与调度以应对其出力波动性和不确定性。为了激励以水电为代表的快速爬坡资源参与灵活性爬坡市场,有必要建立完善的灵活性爬坡产品交易机制。为此,构建了火电、水电联合参与调度的日前-日内两阶段滚动优化模型:日前阶段考虑水电机组电量约束,给出火电的机组组合与水电的参考出力;日内阶段考虑灵活性爬坡能力的获取,确定火电、水电的实际出力。通过两机组系统算例验证了模型效果,结果证明该模型充分发挥了水电优良的调节性能,有利于保障电力系统安全稳定运行,降低市场运行成本。
With the continuous increase in the proportion of integrated renewable energy in recent years,more flexible resources are required to cover their volatility and uncertainty.In order to stimulate the fast-ramping resource represented by hydropower to participate in the flexible ramping market,it is necessary to establish a transaction model for flexible ramping products.A two-stage day-ahead and intra-day rolling optimization model for the joint dispatch of thermal power units and hydropower units is constructed in this paper.In the day-ahead stage,the constraint of the generated electrical energy from hydropower is considered.Then the combination of thermal power units and the reference output of hydropower are given.In the intra-day stage,the acquisition of flexible ramp capability is considered to determine the actual output of thermal power and hydropower.The testing results are used to verify the effectiveness of the model.It.Is demonstrated that the model gives full play to the excellent regulating function of hydropower and is of great significance to ensure the safe and stable operation of the power system and reduce the cost of market operation.
作者
唐琦雯
徐文欣
章枫
房乐
王蓓蓓
TANG Qiwen;XU Wenxin;ZHANG Feng;FANG Le;WANG Beibei(State Grid Zhejiang Electric Power Co.,Ltd.,Hangzhou 310007,China;School of Electrical Engineering,Southeast University,Nanjing 210096,China;State Grid Zhejiang Electric Power Co.,Ltd.Research Institute,Hangzhou 310014,China;State Grid Zhejiang Electric Power Co.,Ltd.Power Market Simulation Laboratory,Hangzhou 310014,China)
出处
《浙江电力》
2022年第8期17-24,共8页
Zhejiang Electric Power
基金
国网浙江省电力有限公司科技项目(B311DS210012)。
关键词
灵活性爬坡能力
水电
市场化
滚动优化
flexible ramp capability
hydropower
market-oriented
rolling dispatch
作者简介
唐琦雯(1989),女,工学硕士,高级工程师,主要从事电力调度及电力市场设计、分析与运营工作。
