电网技术2016,Vol.40Issue(12):3796-3802,7.DOI:10.13335/j.1000-3673.pst.2016.12.023
电热联合系统多时间尺度滚动调度策略
Multi-Time Scale Rolling Scheduling Method for Combined Heat and Power System
摘要
Abstract
Thermal power as well as wind power coexist in "Three North"(Northeast,North,and Northwest) area.Combined heat and power scheduling is greatly influenced by the forecast accuracy of electrical load,thermal load and wind power.The rolling scheduling can be used to reduce the influence of prediction error on the scheduling plan and improve scheduling accuracy,taking into account that electric load,thermal load and wind power forecasting accuracy can be improved by shortening the time of prediction.The multi-time scale rolling scheduling method for combined heat and power system is proposed,combined with the solution of curtailed wind power accommodation based on electric boiler for distributed daily peak-load regulation at secondary heat supply network.The scheduling models of three time scales containing Day-ahead,Rolling and Real-time are constructed.An improved particle swarm optimization is proposed to improve the proportion of feasible solutions through self-adjustment of the particle,which can accelerate the searching speed of the algorithm.Besides,wind power accommodation situations of scheduling plans which with different time scales are compared and analyzed.The simulation result shows that there is a larger deviation between day-ahead scheduling and the actual reference plan,while the real-time scheduling scheme can effectively improve the wind power accommodation and track the load curve after being corrected by rolling scheduling and being adjusted by real-time scheduling.关键词
电热联合调度/多时间尺度/滚动调度策略/改进粒子群算法/消纳弃风Key words
combined heat and power scheduling/multi-time scale/rolling scheduling method/improved particle swarm optimization/accommodation of curtailed wind power分类
信息技术与安全科学引用本文复制引用
邓佳乐,胡林献,邵世圻,刘述欣..电热联合系统多时间尺度滚动调度策略[J].电网技术,2016,40(12):3796-3802,7.基金项目
国家科技支撑计划资助项目(2015BAA01B00).The National Key Technology R&D Program(2015BAA01B00). (2015BAA01B00)