利用 MPC + PIDN 控制器加强具有虚拟惯性的多区域互联 MPS 的频率调节

Prabhat Kumar Vidyarthi, Ashiwani Kumar
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引用次数: 0

摘要

随着电力网络复杂性的增加,控制频率偏差的难度也随之增加。控制器的鲁棒性对现代电力系统 (MPS) 的稳定性有重大影响。由于 MPS 的混合特性,基本的 AGC 控制器(PID、FOPID 和 TID)不足以实现电厂的最佳性能。这就需要一个稳健的控制器。因此,我们提出了一种新型 MPC + PIDN 控制器,并将其与现有的几种控制器进行了比较和评估,结果表明这种控制器在过冲、欠冲和稳定时间方面都能达到最佳性能。此外,还提出了一种新的基于对立面的海马优化(OSHO)方法,用于优化各种控制器设置。为了证明 OSHO 的优越性,我们将其与几种流行的、现有的元启发式优化方法进行了比较。可再生能源的高渗透率降低了系统惯性,从而进一步恶化了 MPS 的频率响应。为了克服这些挑战,利用 MPC 实现了虚拟惯性 (VI)。虚拟惯性用于提高互联 MPS AGC 的性能,同时强调光伏和风能等间歇性可再生能源(RES)的性质。为确定拟议控制器的可靠性和灵活性,在不同情况下进行了分析,包括阶跃、随机干扰和修改后的 IEEE-39 总线。最后,在博德图上进行了稳定性分析,并将提出的结果与之前发表的文献进行了比较。广泛的研究有力地证明了所建议的控制方法是高效和有效的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Enhancing frequency regulation in multi‐area interconnected MPS with virtual inertia using MPC + PIDN controller

Enhancing frequency regulation in multi‐area interconnected MPS with virtual inertia using MPC + PIDN controller
The challenge of controlling frequency deviation becomes more difficult as the complexity of a power network increases. The robustness of the controller has a major impact on the stability of a Modern Power system (MPS). Due to the hybridization of MPS basic AGC controllers (PID, FOPID, and TID) are insufficient to give optimal performance of a plant. This requires a robust controller. So, a novel MPC + PIDN controller has been proposed and evaluated by comparing it with several existing controllers, which gives optimal performance in terms of overshoot, undershoot, and settling time. A new modified Opposition‐based Sea‐horse Optimization (OSHO) method has been suggested to optimize the various controller settings. To demonstrate the OSHO's superiority, it is compared with a few popular, existing meta‐heuristic optimizations. The higher penetration levels of RESs reduced system inertia which further deteriorate frequency response in MPS. To overcome these challenges virtual inertia (VI) is implemented with MPC. VI is applied to improve the performance of the AGC of the interconnected MPS along with emphasizing the nature of intermittent renewable energy sources (RESs) of PV and wind energy. To determine the reliability and flexibility of the proposed controller, analysis has been done under a different situation, including step, random disturbances, and modified IEEE‐39 bus. Finally, the stability analysis is performed on a bode plot and the proposed results are compared with previously published literature. The extensive study demonstrates strong evidence that the suggested control approach is efficient and effective.
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