论文标题
基于MPC的电压源转换器的快速频率控制在低惯性电源系统中
MPC-Based Fast Frequency Control of Voltage Source Converters in Low-Inertia Power Systems
论文作者
论文摘要
可再生生成的快速部署导致旋转系统惯性和阻尼大大减少，从而使电力系统中的频率控制更具挑战性。本文提出了一种基于模型预测控制（MPC）的新型控制方案，用于以网格形成模式运行的转换器交换器的发电机，以利用其快速响应能力为系统提供快速频率控制服务。控制器操纵转换器的功率注射器以限制扰动后的频率Nadir和频率的频率。在绩效和实际实施方面，都考虑并比较了集中和分散的MPC方法。通过生成明确的MPC解决方案来提高计算效率并降低硬件要求，对分散控制器特别注意。从IEEE 39-BUS系统的高保真差分 - 代数方程模型获得的仿真结果证明了拟议的控制方案的有效性。
A rapid deployment of renewable generation has led to significant reduction in the rotational system inertia and damping, thus making frequency control in power systems more challenging. This paper proposes a novel control scheme based on Model Predictive Control (MPC) for converter-interfaced generators operating in a grid-forming mode, with the goal of exploiting their fast response capabilities to provide fast frequency control service to the system. The controller manipulates converter power injections to limit the frequency nadir and rate-of-change-of-frequency after a disturbance. Both centralized and decentralized MPC approaches are considered and compared in terms of performance and practical implementation. Special attention is given to the decentralized controller by generating an explicit MPC solution to enhance computational efficiency and reduce hardware requirements. Simulation results obtained from a high-fidelity differential-algebraic equation model of the IEEE 39-bus system demonstrate the effectiveness of the proposed control schemes.
