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Optimization of A Micro Energy Network Integrated with Electric Bus Battery Swapping Station and Distributed PV

With widespread application of electric buses, the issues of securing their environmental friendliness and keeping low impact on distribution network need to be addressed. An optimized micro energy network integrated with bus swapping station and PV power plant is efficient to support green bus system and high distributed PV energy penetration. In this paper, a mathematical model to optimize batteries recharging schedule for electric bus line of swapping mode is proposed, which combined with a status switching sequential process constraints of each bus. The model determines the optimal charging plan for the bus line under a certain standby batteries configuration, with the objective to minimization the operation cost of the micro energy network. The model is solved by using Monte Carlo optimization. Finally, case studies reveal that the proposed model can apprise the bus charging load curve reshaping ability and assist decision-making for conventional bus lines conversion to electric bus lines to improve integration of distributed PV energy.