Combined Frequency Control From Trains Thermal Inertia: An Assessment of Frequency Controllers Interaction

IF 5 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Jesús Araúz;Friedrich Wiegel;Simon Waczowicz;Veit Hagenmeyer;Sergio Martinez
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引用次数: 0

Abstract

The increasing introduction of power electronics into electric power systems requires more effort to maintain the stability, reliability, and security of grids. Among these, the frequency stability is worsened by the displacement of conventional generators. Demand response has been considered as an alternative to ensure grid stability. The present work proposes a combined frequency control for railway systems to support grid ancillary services without risking the circulation of trains and the comfort of passengers. In contrast to current demand response algorithms, it provides primary and secondary frequency control, and virtual inertia. In addition, due to the rising dynamics complexity in grids, this work presents a performance-based methodology to assess the interaction among frequency controllers without needing detailed models. Simulation and experimental case studies are presented to exemplify and validate the proposed method. The results demonstrate the effectiveness of the methodology in allowing a fast and low-complexity assessment. In addition, the benefits of the proposed control are demonstrated by several performance metrics. The coherence between simulation and experimental results validates the reliability and implementability of the proposed method in a real microgrid.
列车热惯性组合频率控制:频率控制器相互作用的评估
越来越多的电力电子设备被引入电力系统,这就要求人们付出更多的努力来维持电网的稳定性、可靠性和安全性。其中,常规发电机的位移使频率稳定性恶化。需求响应已被认为是确保电网稳定的替代方案。目前的工作提出了一种铁路系统的组合频率控制,以支持网格辅助服务,而不会危及列车的流通和乘客的舒适度。与当前的需求响应算法相比,它提供了一次和二次频率控制,以及虚拟惯性。此外,由于网格中动态复杂性的增加,本工作提出了一种基于性能的方法来评估频率控制器之间的相互作用,而不需要详细的模型。通过仿真和实验,验证了该方法的有效性。结果证明了该方法在允许快速和低复杂性评估方面的有效性。此外,通过几个性能指标证明了所建议的控制的好处。仿真结果与实验结果的一致性验证了该方法在实际微电网中的可靠性和可实现性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
8.60
自引率
0.00%
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审稿时长
8 weeks
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