考虑拓扑特性和传输路径的骨架网络最优重构
Optimal Skeleton Network Reconfiguration considering Topological Characteristics and Transmission Path
摘要：
电力系统恢复过程可分为黑启动、网络重构和负荷恢复三个阶段。在第二阶段，应恢复配电网，为随后的大规模全系统负荷回升做准备。提出了一种综合考虑网络拓扑特性和传输路径约束的配电网重构模型。提出了一种新的基于网络重要性和距离的基于拓扑特征的异构网络质量指数（TCSNQI），用于评价异构网络的质量。所提出的ISNR模型可以同时获得目标网络和该网络的相关恢复序列。得到的目标网络达到一定的质量水平，它需要最少的恢复时间的基础上得到的顺序开关动作。建议ISNR模型制定为一个混合整数线性规划（MILP）问题。新英格兰39节点测试系统的数值仿真证明了所提出的ISNR模型的性能。
英文摘要：
Power system restoration can be divided into three stages: black-start, network reconfiguration, and load restoration. A skeleton-network should be restored in the second stage to prepare for the subsequent large-scale system-wide load pickup. This paper proposes a novel integrated skeleton-network reconfiguration (ISNR) model which considers both the topological characteristics of the network and the transmission path energization constraints. A novel topological characteristics-based skeleton-network quality index (TCSNQI), an index based on the network importance and distance, is proposed to evaluate the quality of the skeleton-network. The proposed ISNR model can attain both the target network and the associated restoration sequence for that network. The attained target network reaches a certain quality level, and it requires the least restoration time based on the attained sequence of ordered switching actions. The proposed ISNR model is formulated as a mixed-integer linear programming (MILP) problem. Numerical simulations on the New England 39-bus test system demonstrate the performance of the proposed ISNR model.
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