Multiple-time-section Optimization Strategy for Post-disaster Recovery of Distribution Network Considering Dynamic Changes of Traffic Flow

Haiyang WAN; Wenxia LIU; Qingxin SHI; Jian HE; Weimin SUN; Xiaohan ZHANG

doi:10.7500/AEPS20211231008

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Multiple-time-section Optimization Strategy for Post-disaster Recovery of Distribution Network Considering Dynamic Changes of Traffic Flow

Special Topic on Key Technologies of Urban Power Grid and Transportation Integration for New Power Systems | 更新时间：2025-06-16

- Multiple-time-section Optimization Strategy for Post-disaster Recovery of Distribution Network Considering Dynamic Changes of Traffic Flow
- Automation of Electric Power Systems Vol. 46, Issue 12, Pages: 119-129(2022)
- 作者机构：
  
  1.华北电力大学电气与电子工程学院，北京市 102206
  2.中国电力科学研究院有限公司，北京市 100192
- 作者简介：
- 基金信息：
  
  State Grid Corporation of China(5100-202155482A-0-5-ZN)
- DOI：10.7500/AEPS20211231008
  CLC：
- Received：31 December 2021，
  
  Revised：2022-03-11，
  
  Published Online：26 May 2022，
  
  Published：25 June 2022
- 稿件说明：
移动端阅览
万海洋,刘文霞,石庆鑫等.计及交通流量动态变化的配电网灾后修复多时间断面优化策略[J].电力系统自动化,2022,46(12):119-129.

WAN Haiyang,LIU Wenxia,SHI Qingxin,et al.Multiple-time-section Optimization Strategy for Post-disaster Recovery of Distribution Network Considering Dynamic Changes of Traffic Flow[J].Automation of Electric Power Systems,2022,46(12):119-129.
万海洋,刘文霞,石庆鑫等.计及交通流量动态变化的配电网灾后修复多时间断面优化策略[J].电力系统自动化,2022,46(12):119-129. DOI： 10.7500/AEPS20211231008.

WAN Haiyang,LIU Wenxia,SHI Qingxin,et al.Multiple-time-section Optimization Strategy for Post-disaster Recovery of Distribution Network Considering Dynamic Changes of Traffic Flow[J].Automation of Electric Power Systems,2022,46(12):119-129. DOI： 10.7500/AEPS20211231008.

摘要

针对极端灾害下交通流量的动态变化特性对配电网故障修复过程的影响，在电网与交通网耦合的背景下，计及移动式和固定式2类应急恢复资源与故障抢修间的协调调度，提出了配电网灾后故障修复多时间断面优化策略。首先，采用元胞传输模型建立了交通网络模型，预测了抢修小队和移动式储能车的行驶时间。其次，建立了以负荷削减量与恢复资源调度成本最小为目标，故障设备的抢修顺序和恢复资源的调度计划为决策变量的混合整数线性规划模型，并采用多时间断面优化方法求解。此外，提出了一种网架动态重构方法，通过增加虚拟根节点与各失电节点构成一个虚拟孤岛，并随网架改变动态添加和删减该孤岛中的节点数目，保证了整个配电网始终能够满足辐射状约束，提高了算法对故障场景的适应性。最后，采用算例仿真验证了所提方法提升配电网韧性的有效性。

Abstract

Aiming at the influence of the dynamic change characteristics of traffic flow on the fault recovery process of distribution network under extreme disasters

in the background of the coupling of the power grid and transportation network

considering the coordination and scheduling between mobile and fixed emergency recovery resources and fault repair

a multi-time-section optimization strategy for the post-disaster fault recovery of the distribution network is proposed. Firstly

the cell transmission model is used to establish the transportation network model

which can predict the traveling time of the road repair crews and mobile energy storage vehicles. Secondly

a mixed-integer linear programming model is established

which aims at minimizing the load reduction amount and the scheduling cost of restoration resources

and takes the emergency repair sequence of faulty equipment and the scheduling plan of restoration resources as decision variables. The multi-time-section optimization method is used to solve the model. In addition

a method for dynamic reconfiguration of grids is proposed. By adding a virtual root node to form a virtual island with each power loss node

and dynamically adding and deleting the number of nodes in the island with the change of the grid

it is ensured that the entire distribution network can always meet the radial constraints

and the adaptability of the algorithm to fault scenarios is improved. Finally

examples are used to verify the effectiveness of the proposed method in improving the resilience of the distribution network.

关键词

Keywords

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