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Branch-and-bound scheduling for thermal generating units

机译:火电机组的分支定界调度

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A branch-and-bound method for scheduling thermal generating units is presented. The decision variables are the start and stop times and the generation levels of the units. A simple rule is defined to compute the lower bound of each candidate schedule for interim computation usage, and the branching process takes place on the subschedule with the lowest lower bound. The heap data storage structure and space saving encoded data representations for partially fulfilled unit commitment schedules are utilized to facilitate the branch-and-bound procedure. By successive branching and bounding, the unit commitment schedule with the minimum cost can be obtained. Two examples, a 10 unit, 24 h and a 20 unit, 36 h case, are shown to illustrate the effectiveness of the proposed algorithm.
机译:提出了一种调度火力发电机组的分支定界方法。决策变量是单位的开始和停止时间以及发电水平。定义了一个简单规则来计算每个候选计划的下限以进行临时计算,并且分支过程在具有最低下限的子计划上进行。堆数据存储结构和部分满足单位承诺计划的节省空间的编码数据表示可用于简化分支定界过程。通过连续的分支和定界,可以获得成本最低的单位承诺进度表。展示了两个例子,一个10单位24小时和一个20单位36小时的情况,以说明所提出算法的有效性。

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