中国电气化铁路典型低频电压波动的缓解技术

Xiaofeng Jiang, Haitao Hu, Jie Yang, Yi Zhou, Zhengyou He, Q. Qian, P. Tricoli, S. Hillmansen, C. Roberts
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引用次数: 6

摘要

低频电压波动严重影响电气化铁路的设备安全和运输秩序,这在中国电气化铁路中屡见不鲜。为了抑制这种波动,本文提出了一种通过机车-牵引供电系统(Tpss)交互系统阻抗调节的有效方法,该方法已在中国徐州铁路枢纽的实际应用中得到应用。本枢纽将原有徐州北变电站的变压器更换为容量更大、短路电压更小的扩建变压器,以减小交互系统的阻抗。实际运行表明,采用该方法改造的变电站成功地消除了电压波动。通过现场对比试验,验证了该减缓技术的可行性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Mitigation Technology of Typical Low-Frequency Voltage Fluctuation in China Electrified Railway
Low-frequency voltage fluctuations severely impact the equipment security and transportation order of Electrified Railway, which have been frequently reported in China Electrified Railway. In order to suppress such fluctuations, this paper presents an effective method by impedance regulation of the locomotive- Tpss(traction power supply system) interaction system which has been adopted in a practical railway Hub, Xuzhou Railway Hub in China. In this Hub, the original transformer of North Xuzhou substation has been replaced by an expanded one with a larger capacity and a smaller short circuit voltage to reduce the impedance of the interaction system. The practical operation shows that the reconstructed substation with proposed method successfully removed the voltage fluctuation. Furthermore, the feasibility of the mitigation technology is verified by the compared field tests.
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