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首页> 外文期刊>European transactions on electrical power engineering >A novel planning‐attack‐reconfiguration method for enhancing resilience of distribution systems considering the whole process of resiliency
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A novel planning‐attack‐reconfiguration method for enhancing resilience of distribution systems considering the whole process of resiliency

机译：一种新的计划-攻击-重新配置方法，用于在考虑整个弹性过程的情况下提高配电系统的弹性

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摘要

To enhance the resilience of distribution systems and fight against extreme disasters, a novel planning-attack-reconfiguration optimization method is proposed in this paper. Firstly, according to the processes of prevention, defence, and restoration for a resilient distribution system through disruption, the novel resilience evaluation indicators are presented, which include the node degree of distributed generation (DG) bus, survival rate, and recovery ability. Secondly, a novel planning-attack-reconfiguration optimization model is developed to improve the resilience of distribution systems. In DG planning stage, the multi-objective planning model is formulated, which includes the minimization of the total cost of investment and operation, and the maximization of the node degree of DG buses for critical loads. In the attack stage, a clear worst case of N-k contingencies on the basis of generalized nodes is presented to reduce the computational complexity. Then, the post-disaster network reconfiguration model is formulated to maximize the restoration rate of critical loads (RRCL). Finally, the proposed method is illustrated by the case study on PG&E 69-bus distribution system. The simulation results indicate that all the RRCL can reach about 90% in the four multipoint fault scenarios. Meanwhile, other evaluation indicators are greatly improved. It is shown that the resilience of distribution systems can be dramatically enhanced by the proposed method.
机译：为了提高配电系统的弹性并抵御极端灾害，本文提出了一种新的规划-攻击-重构优化方法。首先，针对弹性配电系统通过破坏的预防，防御和恢复过程，提出了新的弹性评估指标，包括分布式发电（DG）总线的节点度，生存率和恢复能力。其次，开发了一种新颖的计划-攻击-重新配置优化模型，以提高配电系统的弹性。在DG规划阶段，制定了多目标规划模型，其中包括最小化投资和运营的总成本，以及针对关键负载的DG总线的节点度最大化。在攻击阶段，提出了一种基于广义节点的N-k突发事件的最坏情况，以降低计算复杂度。然后，制定灾后网络重新配置模型以使临界负载的恢复率（RRCL）最大化。最后，以PG＆E 69总线配电系统为例，说明了该方法。仿真结果表明，在四种多点故障情况下，所有RRCL都可以达到约90％。同时，其他评价指标也得到了很大的提高。结果表明，所提出的方法可以显着提高配电系统的弹性。

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