关键词: 配电网, 故障恢复, 重构, 可行域, 纵横交叉算法

Abstract: To guarantee both the speediness and global optimization of service restoration of distribution network simultaneously, a hierarchical response fault recovery method based on reconfiguration is proposed, and the crisscross optimization ( CSO) algorithm with dual dual-population is applied to seek the reconstruction scheme. Firstly， partial reconstruction using heuristic rules for non-islanding operation is implemented for fast restoration of distribution network connectivity with fewer switching times. Secondly，the optimal solution is searched in the feasible region by CSO algorithm with dual dual-population for global reconstruction while the safety indicators are over-limit, and if the safety indicators are still over-limit, part of non-critical load is shed in the order of the importance index of the load until the disribution network is back to a new safe operation state. Finally, the feasibility and effectiveness of the proposed method are verified by simulation results of improved PG& E distribution system.

Key words: distribution network , service restoration, reconfiguration, feasible region, crisscross optimization algorithm