论文标题

学习本地伏特/VAR控制器以有效的网络操作,并保证稳定性

Learning Local Volt/Var Controllers Towards Efficient Network Operation with Stability Guarantees

论文作者

Cavraro, Guido, Yuan, Zhenyi, Singh, Manish K., Cortés, Jorge

论文摘要

本文考虑了分销网络中电压调节的问题。主要的动机是通过指挥部署在网格中的分布式能源(DERS)的反应能力输出来保持电压置于预签名的操作极限之内。我们开发了一个用于开发本地Volt/var控制的框架,该框架包括两个主要步骤。首先,通过利用历史数据和每个DER,我们将学习一个代表电力网络所需平衡点的函数。这些点近似于最佳功率流(OPF)问题的解决方案。在第二个中,我们提出了一个控制方案,以将网络转向这些有利的配置。得出理论条件以正式保证开发的控制方案的稳定性,数值模拟说明了拟议方法的有效性。

This paper considers the problem of voltage regulation in distribution networks. The primary motivation is to keep voltages within preassigned operating limits by commanding the reactive power output of distributed energy resources (DERs) deployed in the grid. We develop a framework for developing local Volt/Var control that comprises two main steps. In the first, by exploiting historical data and for each DER, we learn a function representing the desirable equilibrium points for the power network. These points approximate solutions of an Optimal Power Flow (OPF) problem. In the second, we propose a control scheme for steering the network towards these favorable configurations. Theoretical conditions are derived to formally guarantee the stability of the developed control scheme, and numerical simulations illustrate the effectiveness of the proposed approach.

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