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Optimal distribution system restoration using PHEVs

机译：使用插电式混合动力汽车优化配电系统

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摘要

Power outages cost billions of dollars every year and jeopardise the lives of hospital patients. Traditionally, power distribution system takes a long time to recover after a major blackout, due to its top-down operation strategy. New technologies in modern distribution systems bring opportunities and challenges to distribution system restoration. As fast response energy resources, plug-in hybrid electric vehicles (PHEVs) can accelerate the load pickup by compensating the imbalance between available generation and distribution system load. This study provides a bottom-up restoration strategy to use PHEVs for reliable load pickup and faster restoration process. The optimisation problem of finding load pickup sequence to maximise restored energy is formulated as a mixed integer linear programming (MILP) problem. Moreover, the coordination between transmission and distribution restoration is developed to efficiently restore the entire system back to normal operating conditions. Simulation results on one 100-feeder test system demonstrate the efficiency of MILP-based restoration strategy and the benefit from PHEVs to restore more energy in given restoration time. The proposed restoration strategy has great potential to facilitate system operators to achieve efficient system restoration plans. It also provides incentives to deploy a large amount of PHEVs to improve system resiliency.
机译：停电每年造成数十亿美元的损失，并危及医院患者的生命。传统上，由于其自​​顶向下的操作策略，配电系统在严重停电后需要很长时间才能恢复。现代配电系统中的新技术给配电系统的恢复带来了机遇和挑战。作为快速响应的能源，插电式混合动力汽车（PHEV）可以通过补偿可用发电与配电系统负载之间的不平衡来加速负载提取。这项研究提供了一种自下而上的恢复策略，可以使用PHEV进行可靠的负载提取和更快的恢复过程。找到负载拾取序列以最大化恢复能量的优化问题被公式化为混合整数线性规划（MILP）问题。而且，传输和配电恢复之间的协调得以发展，以有效地将整个系统恢复到正常运行状态。在一台100馈线测试系统上的仿真结果证明了基于MILP的恢复策略的效率以及PHEV在给定的恢复时间内恢复更多能量的好处。所提出的恢复策略具有极大的潜力，可以方便系统操作员实现有效的系统恢复计划。它还鼓励部署大量的PHEV，以提高系统的弹性。

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