摘要
风电功率随机波动特性以及热电联产机组"以热定电"运行模式,是造成中国"三北"地区冬季供暖期大量弃风问题的主要原因。为平抑风电功率波动,解耦热电耦合约束,该文给出含储热热电联产机组与含电池储能风电场联合运行的协调调度方法,利用电-热联合储能系统的调控特性,实现能量在时空尺度的平移,进而促进对弃风的消纳。该方法以分时电价作为引导,以热电联产和风电联合上网收益最大为目标,综合考虑各时段电价因素的影响以及电池储能的充放电次数限制,对比单一储能模式和联合储能模式的弃风消纳效果与运行收益。仿真算例在CPLEX软件中进行求解,结果验证了所给方法的可行性,能有效促进风电消纳,增加系统收益。
The stochastic fluctuation characteristics of wind power and the operation mode of‘determined power by heat’of cogeneration unit are the main reasons for the large amount of abandoning wind during the winter heating period in the‘Three-North’regions of China. To suppress wind power fluctuations and decoupling electric-thermal coupling constraints,this paper gives a coordinating scheduling method that CHP units with heat storage and the wind farm with battery energy storage can operate together.The method utilizes the controllable characteristics of electric-thermal energy storage system to achieve the translation of energy in the space-time scale,and then promoting the dissipation of wind power curtailment. The method takes the time-sharing electricity price as the guide,and takes the CHP and wind power combined with the maximum revenue as the goal. Besides,the method comprehensively takes into account the impact of electricity price factors in each period and the number of battery charging and discharging constraints,and compares the abandoned wind absorption effect and operating income of single energy storage mode and combined energy storage mode. The simulation example is solved in CPLEX software. The results show that the proposed method is feasible and can effectively promote wind power consumption and increase system revenue.
作者
崔杨
纪银锁
仲悟之
崔文利
许伯阳
赵钰婷
Cui Yang;Ji Yinsuo;Zhong Wuzhi;Cui Wenli;Xu Boyang;Zhao Yuting(Key Laboratory of Modern Power System Simulation and Control&Renewable Energy Tech nology,Ministry of Education(Northeast Electric Power University),Jilin 132012,China;China Electric Power Research Institute,Beijing 100192,China;Chayouzhongqi Power Supply Branch of Ulanqab Electric Power Bureau,Inner Mongolia Power Group Co.,Ltd.,Wulanchabu 013550,China;Shenzhen Power Supply Co.,Ltd.,Shenzhen 518001,China)
出处
《太阳能学报》
EI
CAS
CSCD
北大核心
2021年第12期192-199,共8页
Acta Energiae Solaris Sinica
基金
国家自然科学基金(51777027)。
关键词
热电联产
弃风消纳
储热
电池储能
分时电价
heat and power cogneration
wind power curtailment
heat storage
battery storage
time-sharing electricity price
