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Under extreme weather events represented by severe convective weather (SCW), the adaptability of power system and service restoration have become paramount. To this end, this paper presents a novel planning method of stationary-mobile integrated battery energy storage system (SMI-BESS) capable of spatial flexibility. This designed system can flexibly switch between stationary and mobile modes to cope with normal operation and extreme weather events. Considering the multitude of threats posed of SCW, such as extreme wind speed, lightning strikes, and hail, a comprehensive fragility model of the distribution network is established to quantify adverse impacts of the extreme event. Uncertainties in renewable energy generation and distribution network failures are characterized using two types of ambiguity sets. A two-stage adaptive distributionally robust optimization (2S-ADRO) model is developed to plan the SMI-BESS in detail, meeting the requirements of mobile energy storage. Finally, case studies are conducted using weather and grid data from some regions in China to validate the effectiveness of the proposed structure and method.
Wang et al. (Tue,) studied this question.