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基于模型预测控制的中低压蜂巢状有源配电网分布式优化调度

Distributed Optimization Scheduling of Medium and Low Voltage Honeycomb Active Distribution Network Based on Model Predictive Control

  • 摘要: 中低压蜂巢状有源配电网由微电网群通过基站柔性互联组成,针对微电网群与基站之间的功率互济、协调运行问题,以模型预测控制(Model Predictive Control, MPC)算法为基础并结合同步型交替方向乘子法(Alternating Direction Method of Multipliers, ADMM)提出一种分布式优化调度策略,有效解决蜂巢状有源配电网的协调运行问题并降低系统运行成本。首先以系统运行成本最小为目标构建蜂巢状有源配电网模型,然后采用MPC算法实现滚动式优化调度,对每个优化时刻采用同步型ADMM算法优化求解,最后通过算例分析所提策略的有效性。

     

    Abstract: The medium and low voltage honeycomb shaped active distribution network is composed of microgrid groups that are flexibly interconnected through base stations, aiming to address the issues of power interconnection and coordinated operation between microgrid groups and base stations. This article proposes a distributed optimization scheduling strategy based on the model predictive control(MPC) algorithm and combined with the synchronous alternating direction method of multipliers(ADMM), effectively solving the coordinated operation problem of honeycomb active distribution networks and reducing system operating costs. Firstly, a honeycomb shaped active distribution network model is constructed with the goal of minimizing system operating costs. Then, the MPC algorithm is used to achieve rolling optimization scheduling, and the synchronous ADMM algorithm is used to optimize and solve for each optimization time. Finally, the effectiveness of the proposed strategy is analyzed through numerical examples.

     

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