一种改进的直流电气化铁路系统虚拟电容控制策略

2021 IEEE Southern Power Electronics Conference (SPEC) Pub Date : 2021-12-06 DOI:10.1109/SPEC52827.2021.9709468

Wenqi Hao, Zhigang Chen

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引用次数: 1

摘要

本文研究了某直流电气化铁路系统的直流侧波动。为了解决这一问题，提高铁路直流电力系统的稳定裕度，提出了一种改进的虚拟电容控制算法，以减轻系统直流电压的栅极波动。此外，该控制算法还增强了系统的惯性。最后，通过仿真验证了理论分析的正确性。

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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An Improved Virtual Capacitor Control Strategy for DC Electric Railway System

In this paper, DC-side fluctuations occurred in one DC electric railway system are investigated. To cope with this issue and improve stability margins of DC electric railway power systems, an improved virtual capacitor control algorithm is proposed to miti-gate fluctuation of DC voltage of the systems. Besides, the inertia is also strengthened by the proposed control algorithm. Finally, the theoretical analysis is well demonstrated by the simulations.

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2021 IEEE Southern Power Electronics Conference (SPEC)

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