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考虑电力电量平衡的安全约束经济调度

, PP. 168-176

Keywords: 电力系统,安全约束,经济调度,电力电量平衡,模糊化,许可度

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Abstract:

智能电网调度发电计划要求能够统筹考虑安全与经济、节能与减排、效率与公平等诸多因素,以实现兼顾各方利益,满足系统安全的整体发电计划的优化决策。为此,在综合考虑节能减排、安全以及传统意义上?三公?要求的基础上,建立了考虑电力电量平衡的安全约束经济调度模型,它是以发电成本最小和合同电量偏差最小的多目标优化模型,在对各个目标进行模糊化后,将其转化为多目标滑动模型,并引入了目标函数满意度及许可度因子的概念,用以反映多个相互矛盾目标的重要程度。采用基于序列二次规划的序列线性方程组算法(QP-free算法)进行计算,计算结果表明了该方法的有效性,决策者可以通过许可度因子所提供的丰富信息进行决策,方法灵活而富有弹性,符合电网安全性和公平性要求。

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