Abstract
Spatio-temporal and power-energy controllability of the mobile battery energy storage system (MBESS) can offer various benefits, especially in distribution networks, if modeled and employed optimally. Accordingly, this paper presents a novel and efficient model for MBESS modeling and operation optimization in distribution networks. Given the transportation sector's transition towards electrification, a self-powered electric truck is considered for conveying the whole battery system. As a result, the required energy for transportation is obtained from the main battery system. The proposed model demands only transportation time between distribution network buses without modelling the whole transportation network. Novel straightforward and efficient formulations consider transportation time and cost limitations by linear equations capable of handling real-world systems without dimensionality problems. The model is implemented on a sample system, and its results are compared with the stationary batteries. The simulation results demonstrate the proposed model's effectiveness to obtain a minimum cost operation plan accompanied by the enhanced technical performance compared to the stationary battery installations. By employing the MBESS in a typical distribution network, the total operation cost is reduced by more than 4%, while total losses and maximum substation power are reduced by, in turn, 740 kWh and 690 kVA.
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