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A Mean-Field Voltage Control Approach for Active Distribution Networks With Uncertainties

机译:具有不确定性的主动分配网络的平均电压控制方法

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摘要

A model-free distributed control scheme that implements active voltage control in low voltage distribution network (LVDN) is proposed. By solving an individual Hamilton-Jacobi-Bellman-Flemming function with public information, users can compute a good approximation to their optimal control trajectory and take uncertainties into account in a distributed manner. A detailed mathematical framework is given, accompanied by a discussion on the different entries of uncertainties. The proposed control scheme uses a broadcast signal to indicate the probability distribution in mean field theory, and to streamline the demand on Fokker-Planck-Kolmogorov PDE or Mc-Kean Vlasov SDE, which relieves the computational burden. A realistic semiurban distribution network is modified as the study case, with a benchmark of centralized ACOPF to study the performance of the proposed approach. Moreover, two special cases including communication latency and packet loss are given as well, in order to test the robustness of the proposed approach. The results prove that the proposed approach is able to deliver good approximation to the optimal control with uncertainty in a model-free and distributed manner.
机译:提出了一种无模型分布式控制方案,其在低电压分布网络(LVDN)中实现有源电压控制。通过通过公共信息解决个人汉密尔顿 - 雅各 - 贝尔曼 - 荧光灯函数,用户可以将良好的近似值计算到其最佳控制轨迹,并以分布式方式考虑不确定性。给出了详细的数学框架,附有关于不同的不确定性条目的讨论。所提出的控制方案使用广播信号来指示平均场理论中的概率分布,并简化对Fokker-Planck-Kolmogorov PDE或MC-Kean Vlasov SDE的需求,从而减轻了计算负担。一个现实的半城分销网络被修改为研究案例,集中式ACOPF的基准研究了拟议方法的性能。此外,还给出了两个特殊情况,包括通信延迟和数据包丢失,以测试所提出的方法的稳健性。结果证明,所提出的方法能够以不确定的方式提供良好的近似,以不确定的方式以模型和分布式方式提供不确定性。

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