Zhao Chaoyue,Xu Yin,Wang Ying,et al.Post-disaster recovery method of distribution networks considering coordinated active-reactive power dispatch[J].Electric Power Automation Equipment,2026,46(10):159-169.
Zhao Chaoyue,Xu Yin,Wang Ying,et al.Post-disaster recovery method of distribution networks considering coordinated active-reactive power dispatch[J].Electric Power Automation Equipment,2026,46(10):159-169.DOI: 10.16081/j.epae.202609001.
Post-disaster recovery method of distribution networks considering coordinated active-reactive power dispatch
Extreme disasters can severely damage power transmission infrastructure and trigger large-scale blackouts,during which distribution systems may be unable to obtain electricity from the upstream grid. In such circumstances,the coordinated utilization of local resources in distribution networks is essential for the rapid recovery of critical loads. For distribution networks with long feeders,post-disaster reconfiguration is associated with a high risk of steady-state voltage violations. Therefore,coordinated dispatch of active and reactive power resources across multi-voltage-level distribution networks is required to ensure operational safety while enhancing load recovery performance. With the optimization objectives of maximizing the restored load weighted continuous power supply duration and minimizing the voltage deviation across network nodes,a mixed-integer linear programming(MILP) model for resilience recovery of multi-voltage-level distribution networks considering coordinated active-reactive power dispatch is proposed. Analytical constraints are established to characterize the voltage regulation capabilities of different types of reactive power compensation devices,together with the constraints of coordination transfer relationship of multi-voltage-level distribution networks. Case studies based on a practical multi-voltage-level distribution system verify the effectiveness and superiority of the proposed model in improving the recovery performance of critical loads and optimi-zing the voltage distribution.
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