论文标题

最佳的能源中断计划和发电重新调整,以提高意外情况下的可靠性

Optimal Energy Interruption Planning and Generation Re-dispatch for Improving Reliability during Contingencies

论文作者

Khan, Sohail, Henein, Sawsan, Brunner, Helfried

论文摘要

提高分配网格可靠性是规划和运行分布式发电机(DGS)份额较高的分配系统的主要挑战。 DGS共享的兴起可能导致计划外的意外事件,而另一方面,它们可以在应急事件后提供灵活性来支撑网格操作。本文提出了一种最佳的能量中断计划方法,该方法可以派遣DGS的灵活性,并执行柔性载荷的成本优势降低。提出的方法在合成网格上进行了测试,代表欧盟中典型的城市和低压馈线,其分配网络以径向和网状配置进行了建模。研究表明,提出的优化过程可以成功地用于计划在应急事件期间的资源,这可能导致无法提供的能源减少和可靠性指数的提高。

Improving distribution grid reliability is a major challenge for planning and operation of distribution systems having a high share of distributed generators (DGs). The rise of DGs share can lead to unplanned contingencies while on the other hand, they can provide flexibility in supporting grid operations after a contingency event. This paper presents an optimal energy interruption planning approach that dispatches the flexibility from DGs and performs a cost-optimal load shedding of flexible loads. The proposed approach is tested on a synthetic grid, representing typical urban and low voltage feeders in EU with distribution networks modeled in radial and meshed configurations. The study shows that the proposed optimization process can be successfully used to plan resources during contingency event and this can lead to a reduction in energy not supplied and improvement of reliability indices.

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