摘要
针对分布式不可控电源接入系统引起的波动问题,文中基于虚拟电厂提出一种考虑市场电价的经济优化调度模型,根据负荷需求,对虚拟电厂中的各分布式发电的功率输出进行优化,以达到经济最优化。将鲸鱼算法应用于所建立的虚拟电厂经济优化调度模型,并对算例结果进行了分析,结果表明,该模型是合理有效的。针对鲸鱼算法在求解过程中存在的收敛速度慢和收敛速度低的问题,在收敛因子方面又对鲸鱼算法进行了进一步的改进,将改进的鲸鱼算法运用到已建好的虚拟电厂经济优化调度模型中,对比两种仿真结果可知,改进算法的收敛速度和精度都得到了提高。
Aiming at the fluctuation problem caused by the access of distributed uncontrollable power supply into the system,an economic optimization dispatching model is proposed considering the market electricity price based on the virtual power plant,according to the load demand,the power output of each distributed generation in the virtual power plant is optimized in order to achieve economic optimization.The Whale algorithm is applied to the economic optimal scheduling model of virtual power plant,and the results of an example are analyzed.The results show that the model is reasonable and effective.Aiming at the problem of slow convergence and low convergence speed in the process of solving the problem of Whale algorithm,further improve the Whale algorithm in the aspectof convergence factor.The improved Whale algorithm is applied to the established economic optimal scheduling model of virtual power plant,compared with the two simulation results,the convergence speed and accuracy of the improved algorithm are improved.
作者
程萱
付光杰
张晓莹
张梦迪
CHENG Xuan;FU Guangjie;ZHANG Xiaoying;ZHANG Mengdi(School of Electrical and Information Engineering,Northeast Petroleum University,Daqing 163318,China)
出处
《电子设计工程》
2022年第8期161-165,共5页
Electronic Design Engineering
基金
国家自然科学基金资助项目(51474069)。
关键词
虚拟电厂
鲸鱼算法
经济性
优化调度
virtual power plant
Whale algorithm
economy
optimal dispatch
