Multi-microgrid double-layer coordination optimization scheduling method based on mixed game

Abstract

The multi-microgrid double-layer coordination optimization scheduling method based on mixed game, considering the utility of the upper-level aggregator, proposes a cooperative game model of the lower-level multi-microgrid, and then considers the multi-microgrid power consumption satisfaction function and utility, and the utility of the lower-level multi-microgrid The function includes the operating cost of the microgrid, the cost of gas turbine power generation, and the cost of charging and discharging the battery; the Stackelberg game model is established, so that the upper-level aggregator and the lower-level multi-microgrid tend to maximize their own interests; the particle swarm algorithm is used to solve the Stackelberg game model , the upper-level aggregator uses the particle swarm algorithm to optimize the electricity purchase and sale price; the lower-level multi-microgrid uses the cplex software to solve and optimize the electricity purchase and sale plan to maximize its benefits. The method of the present invention increases the power interaction between microgrids, improves the internal power sharing capability, and reduces the interactive power between each microgrid and the aggregator; proposes a Stackelberg game model to reduce and increase the peak and valley periods respectively The interactive power plays the role of cutting peaks and filling valleys.

Description

technical field [0001] The invention relates to the technical field of multi-microgrid double-layer optimization control, in particular to a hybrid game-based multi-microgrid double-layer coordination optimization scheduling method. Background technique [0002] In the era of smart grids, the microgrid project is vigorously developed, and more microgrids are gathered to form a multi-microgrid system. Each microgrid performs power mutual aid through the microgrid group, which enhances the power supply reliability and operation economy of the overall system of the microgrid group. sex. Microgrids can not only trade energy with the distribution network, but also between microgrids, that is, through energy mutual aid and collaborative optimization control, the autonomy and accommodation capacity of the multi-microgrid system can be improved and economic benefits can be achieved. [0003] In the prior art, the optimal scheduling of multi-microgrids, simply using the Stackelberg ...

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Problems solved by technology

[0003] In the prior art, the optimal scheduling of multi-microgrids, simply using the Stackelberg game cannot distribute the income fairly and reasonably, and cannot guarantee the income of a single microgrid or reduce its cost; simply using the Shapley value method cannot guarantee the benefits of both the multi-microgrid system and the aggregator

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