Mobile emergency generators (MEG) serve as critical emergency resources for enhancing distribution network restoration. Since the travel time of MEG in the transportation network will greatly affect the restoration speed of important loads, it is vital to take into account the routing problem of MEG in the transportation network when achieving MEG‐assisted distribution network restoration. In this context, this paper proposes a two‐stage restoration strategy considering pre‐event MEG allocation and after‐event restoration with real‐time scheduling of MEG. Specifically, first, the spatial coupling mode of distribution network and transportation network is analyzed, and multiple fault scenarios are generated based on the fragility curves of distribution network equipment under extreme weather conditions. Second, aiming to optimize the MEG dispatching path and maximizing the load restoration after extreme events, a pre‐event allocation model for MEGs is established. Then, focusing on the specific post‐event distribution network fault scenario, a multi‐period restoration model considering the real‐time dispatching of MEG is established. The real‐time routing and scheduling constraints of MEG in coupled distribution‐transportation networks and the operation constraints of distribution network are fully incorporated. Eventually, case studies on the coupled PG&E69 distribution network and 30‐node transportation network verify the effectiveness of the proposed restoration strategy. © 2026 Institute of Electrical Engineers of Japan and Wiley Periodicals LLC.
Liu et al. (Fri,) studied this question.
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