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Transmission-security constrained optimal dispatch scheduling using generalized Benders decomposition

机译:传输安全约束的广义Benders分解最优调度调度

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For the secure power system operation, we introduce a decomposition technique that separates a transmission-security constrained dispatch scheduling problem into a master problem (MP) and several subproblems (SPs) using Benders decomposition. The MP solves a general optimal power flow (OPF) problem while the SPs inspect the feasibility of OPF solution under respective transmission line contingencies. If a dispatch scheduling solution given by the MP violates transmission-security constraints, then additional constraints corresponding to the violations are imposed to the MP. Through this iterative process between the MP and SPs, we derive an optimal dispatch schedule incorporating the post-contingency corrective rescheduling. Numerical example demonstrates efficiency of the proposed approach.
机译:对于安全电力系统的运行,我们引入了一种分解技术,该技术使用Benders分解将传输安全约束的调度计划问题分为主问题(MP)和几个子问题(SP)。 MP解决了一般的最佳功率流(OPF)问题,而SP则在各自的传输线意外情况下检查OPF解决方案的可行性。如果MP给出的调度计划解决方案违反了传输安全性约束,则将与违规相对应的其他约束强加给MP。通过MP和SP之间的这种迭代过程,我们得出了结合应急后纠正性重新调度的最佳调度计划。数值算例表明了该方法的有效性。

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