Jinyue SHI, Junqiang WEN, Jianhua ZHANG, Bo ZENG

A game-theoretic framework for active distribution network planning to benefit different participants under the electricity market

With the deregulation of the power sector, distribution system planning is transforming from the traditional integrated decision mode to the multiple-player-based decentralized paradigm. However, this could potentially cause an adverse impact on the performance of the system due to interest conflict of market players during operations. To address such an issue, this paper develops a game-theoretic framework for active distribution network planning under the electricity market. The interplay between the distribution utility (DISCO) and distributed generation investors (DGO) is formulated as a noncooperative, two-person-based Stackelberg game in which the DISCO, as the leader of the game, makes expansion of the grid to achieve the least-cost operation, and DGOs, as followers, pursue for maximizing their profits from DG investment based on the condition of the network structure. The real-time network reconfiguration has been considered as a new active management option in this work, and the uncertainties associated with DG are also taken into account. To solve such game-theoretic model effectively, a heuristic-based algorithm is also proposed and combined with the dynamic optimal power flow analysis. The numerical results on a 33-bus distribution network verify the validity of the proposed methodology

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