【摘要】 近年来，我国野火频发，已严重威胁电力系统的安全稳定运行。移动应急电源作为一种重要的灵活调度资源，能够保障野火蔓延下重要负荷供电，增强配电网应对野火灾害的韧性。为此，本文提出了野火蔓延下基于移动应急电源的配电网韧性增强策略。首先，建立了基于考虑野火热辐射的配电线路导体热模型和热平衡方程，并运用聚类生成不确定参数的典型场景；然后，以配电网购电成本、负荷停电补偿成本和可调度资源运行成本最低为优化目标，提出考虑移动应急电源到接入点路程的布点和运行约束，进而建立了移动应急电源优化配置与灾害全过程运行策略模型。考虑到野火模型是非线性方程，提出基于两阶段松弛的线性化处理方法，将其转化为混合整数线性规划问题进行快速求解。最后，采用IEEE 33节点测试系统进行仿真，对所提方法的有效性进行了验证。更多还原

【Abstract】 In recent years, the frequent occurrence of wildfires in China has seriously threatened the safe and stable operation of the power systems. As an important flexible scheduling resource, mobile emergency generators can guarantee the power supply of critical loads under the spread of wildfires and enhance the resilience of the distribution network to cope with wildfire disasters. Hence, this paper proposes a resilience enhancement strategy for distribution network based on mobile emergency generators supply under wildfire spreading. First, a distribution line conductor heat model and heat balance equation based on the consideration of wildfire heat radiation are established, and clustering is applied to generate typical scenarios with uncertain parameters; then, with the optimization objectives of minimizing the power purchase cost of the distribution network, the load outage compensation cost, and the operation cost of the dispatchable resources, the distribution and operation constraints considering the distance traveled by the mobile emergency generators to the access point are proposed, and then the optimal allocation of the mobile emergency generators is established in conjunction with a disaster whole process operation strategy model. Considering that the wildfire model is a nonlinear equation, a linearization method based on two-stage relaxation is proposed to transform it into a mixed-integer linear programming problem for fast solution. Finally, the effectiveness of the proposed method is verified by simulation using the IEEE 33-node test system.更多还原