摘要
将冠状病毒群体免疫算法(Coronavirus Herd Immunity Optimizer,CHIO)引入到梯级电站群优化调度问题中,并提出LCHIO改进算法。通过采用拉丁超立方策略生成群体初始解、社交距离动态变化及自适应阈值策略两方面对CHIO进行改进,平衡全局搜索与局部搜索,避免早熟的同时加快收敛速度。对西南某地区4座梯级电站进行仿真计算,结果表明:CHIO和LCHIO的结果与动态规划POA-DDDP相差不足1%,变异系数为0.13%和0.11%,验证了CHIO求解梯级水库群调度问题的合理性与有效性以及LCHIO算法对CHIO的提升效果。进一步求解等效电网的多个不同目标函数模型,发现该地区存在缺电弃电并存、新能源消纳困难、枯期发电能力弱等情况,需发展抽水蓄能应对这一难题。
The coronavirus herd immunity optimizer(CHIO)algorithm was introduced to address the optimal scheduling problem of cascade hydropower plants,and an improved algorithm called LCHIO was proposed.The CHIO algorithm was enhanced by adopting two strategies:the Latin hypercube strategy for generating initial population solutions and dynamic social distance and adaptive threshold strategies.These improvements balanced global search and local search,preventing premature convergence while accelerating the convergence speed.Simulation results for four cascade hydropower plants in a region in southwest China show that the difference between the results of CHIO and LCHIO and the dynamic programming POA-DDDP is less than 1%,and the variation coefficients are 0.13% and 0.11%,which verify the rationality and effectiveness of CHIO to solve the cascade reservoir group scheduling problem and the improvement effect of LCHIO algorithm on CHIO.Further analysis of multiple objective function models for the equivalent grid reveals issues such as the coexistence of power shortages and curtailment,difficulties in renewable energy absorption,and weak generation capacity during dry periods.These challenges highlight the need for the development of pumped storage.
作者
王克超
蔡若宜
申建建
WANG Kechao;CAI Ruoyi;SHEN Jianjian(Institute of Hydropower&Hydroinformatics,Dalian University of Technology,Dalian 116024,China;Pearl River Comprehensive Center,Pearl River Water Resources Commission of the Ministry of Water Resources,Guangzhou 510611,China)
出处
《人民珠江》
2025年第6期85-97,共13页
Pearl River
基金
国家自然科学基金(52079014)。
关键词
梯级电站群调度
冠状病毒群体免疫算法
拉丁超立方
社交距离
自适应阈值
cascade hydropower plant scheduling
coronavirus herd immunity optimizer algorithm
Latin hypercube strategy
social distance
adaptive threshold
