都市快轨交通

有源轨道电位硬件动态模拟系统

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王振帅 , 杨晓峰 , 孙向轩

都市快轨交通 | 机电工程 2025,38(6): 83-91

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都市快轨交通 |机电工程 2025 , 38 (6) : 83 -91

有源轨道电位硬件动态模拟系统

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王振帅, 杨晓峰, 孙向轩

作者信息

北京交通大学电气工程学院，北京　100044

作者简介:

王振帅，男，硕士研究生，研究方向为电力电子技术在城市轨道交通中的应用，23126369@bjtu.edu.cn

杨晓峰，男，博士，副教授，博士生导师，研究方向为电力电子技术在城市轨道交通中的应用，xfyang@bjtu.edu.cn

Active Rail Potential Hardware Dynamic Emulator System

Zhenshuai WANG, Xiaofeng YANG, Xiangxuan SUN

Affiliations

School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044

出版时间: 2025-12-10 doi: 10.3969/j.issn.1672-6073.2025.06.011

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摘要

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为解决城市轨道交通轨道电位与杂散电流防治措施开展现场试验验证难度大的问题，轨道电位硬件动态模拟系统受到广泛关注。现有无源硬件动模方案一般通过调控定值功率电阻的平均投入时间实现等效输出阻值的动态调节，由于定值功率电阻发热与功率限制，功率等级提升困难，为此本文提出一种有源轨道电位硬件动态模拟（active rail potential hardware dynamic emulator，ARPHDE）系统。在分析ARPHDE系统工作模态的基础上，提出虚拟电阻变换单元（virtual resistance converter unit，VRCU）、大电阻变换单元（large resistance converter unit，LRCU）和区段切换开关的协调控制策略，以实现等效虚拟阻值的准确调控。仿真结果表明：ARPHDE能够准确再现轨道电位动态时空分布规律，相比传统无源硬件动模方案，ARPHDE系统将传统定值电阻调控方式转换为虚拟电阻调控方式，避免了定值功率电阻发热问题，具有良好的应用前景。

关键词

城市轨道交通 / 轨道电位 / 有源轨道电位硬件动态模拟 / 虚拟电阻变换单元

Abstract

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To address the difficulty of on-site verification for urban rail transit rail potential and stray current prevention measures, the rail potential hardware dynamic emulator system of rail potential has attracted widespread attention. Existing passive hardware emulator schemes usually achieve dynamic adjustment of the equivalent output resistance by modulating the average insertion time of a fixed power resistor. However, due to the heating and power limitations of fixed power resistors, it is difficult to increase the power rating. Therefore, this paper proposes an active rail potential hardware dynamic emulator (ARPHDE) system. Based on the analysis of the operating principle of the ARPHDE, a coordinated control strategy for the virtual resistance converter unit (VRCU), large resistance converter unit (LRCU), and section switching switches is developed, enabling precise regulation of the equivalent virtual resistance value. Simulation results demonstrate that the ARPHDE can accurately reproduce the spatiotemporal dynamic distribution patterns of rail potential. Compared to traditional passive hardware emulator schemes, the ARPHDE system replaces fixed power resistor regulation with virtual resistance regulation, avoiding issues of the fixed power resistor heating and showing promising application prospects.

Key words

urban rail transit / rail potential / active rail potential hardware dynamic emulator / virtual resistance converter unit

引用本文

王振帅, 杨晓峰, 孙向轩. 有源轨道电位硬件动态模拟系统. 都市快轨交通, 2025 , 38 (6) : 83 -91 . DOI: 10.3969/j.issn.1672-6073.2025.06.011

Zhenshuai WANG, Xiaofeng YANG, Xiangxuan SUN. Active Rail Potential Hardware Dynamic Emulator System[J]. Urban Rapid Rail Transit, 2025 , 38 (6) : 83 -91 . DOI: 10.3969/j.issn.1672-6073.2025.06.011

基金

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国家自然科学基金(51737001)
北京市自然科学基金(3222054)

参考文献

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参考文献引证文献

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2025年第38卷第6期

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文章信息

doi: 10.3969/j.issn.1672-6073.2025.06.011

接收时间：2025-06-09
首发时间：2026-10-19
出版时间：2025-12-10

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收稿日期：2025-06-09
修回日期：2025-08-08

基金

国家自然科学基金(51737001)

北京市自然科学基金(3222054)

作者信息

北京交通大学电气工程学院，北京　100044

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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