Multi-microgrid system optimization scheduling including Electric vehicle coordinated charging and reward and punishment ladder carbon trading

GAO Ya; Xu Yanchun; ZHANG Tao; SONG Wenyu; WANG Ping; XI Lei; MI Lu

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Multi-microgrid system optimization scheduling including Electric vehicle coordinated charging and reward and punishment ladder carbon trading

GAO Ya¹, Xu Yanchun¹, ZHANG Tao¹, SONG Wenyu², WANG Ping¹, XI Lei¹, MI Lu³

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Abstract

In the context of "dual carbon", in order to further reduce the carbon emissions of the microgrid system,a low-carbon operation strategy of multi-micro-grid integrated energy system is proposed, which takes into account the coordinated charging of electric vehicles and the reward and punishment type of ladder carbon trading mechanism. Firstly, a dynamic urgency index reflecting the user's charging demand is proposed for the EV load in the microgrid, and a coordinated EV charging model is established to minimize the pek-valley difference of the total electric load in the microgrid. Then, a two-stage power-to-gas, distributed power supply and Cogeneration unit supply cooperative operation model is added to the microgrid. Finally, considering the existence of electrothermal interaction in the multi-microgrid, the carbon emission of the multi-microgrid is restricted by adding the reward and punishment type of ladder carbon trading mechanism, and the low-carbon and economic performance of the multi-microgrid system is further improved. Based on this, a low-carbon economy operation goal with the minimum cost of multi-micro online shopping energy, carbon emission and wind and light abandonment is constructed, and the original problem is transformed into a mixed integer linear programming problem for solving. By comparing cases, the effectiveness of the proposed strategy is analyzed and verified.

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integrated energy system / Multi-microgrid / Electric vehicles / Reward and punishment ladder carbon trading / Mixed integer linear optimization

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GAO Ya, Xu Yanchun, ZHANG Tao, SONG Wenyu, WANG Ping, XI Lei, MI Lu. Multi-microgrid system optimization scheduling including Electric vehicle coordinated charging and reward and punishment ladder carbon trading[J]. Electric Power Construction. 0

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