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Decentralized Framework for Optimal Price-Based Power System Operation Using Feedback Control Mechanism

机译:使用反馈控制机制的基于价格的电力系统最优运营的分散框架

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摘要

Future power systems are expected to have distributed energy resources (DERs). A price-based operation (PBO), where dynamic prices are used as the control signal, can be an alternative scheme to address challenging operational issues in the future power systems. In this paper, a decentralized framework for optimal PBO using a feedback control mechanism is proposed to determine the nodal prices for power balance and congestion management. The substructures and feedback controllers of the proposed framework are derived based on the optimal power flow (OPF) method. Thus, the framework guarantees optimality for all situations in real-time and enables the use of various types of controllers. The effectiveness of the proposed framework is verified with the IEEE 39 bus network under some scenarios, such as the failure of a generator and a transmission line. The results clearly demonstrate that the proposed framework successfully resolves the balance and congestion problems by generating appropriate nodal prices in the PBO and provides a solution similar to the optimal solution determined by the conventional OPF method.
机译:预期未来的电力系统将具有分布式能源(DER)。基于价格的操作(PBO),其中将动态价格用作控制信号,可以作为替代方案来解决未来电力系统中具有挑战性的操作问题。在本文中,提出了一种使用反馈控制机制的最优PBO分散框架,以确定用于功率平衡和拥塞管理的节点价格。该框架的子结构和反馈控制器是基于最优潮流(OPF)方法得出的。因此,该框架可确保针对所有情况实时最佳化,并允许使用各种类型的控制器。在某些情况下,例如发电机和传输线的故障,IEEE 39总线网络验证了所提出框架的有效性。结果清楚地表明,所提出的框架通过在PBO中生成适当的节点价格成功解决了平衡和拥塞问题,并提供了与常规OPF方法确定的最佳解决方案相似的解决方案。

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