Research on Protection of Tuning Area Equipment Disconnection in the ZPW-2000A Track Circuit*

doi:10.23919/CJEE.2021.000010

中国电气工程学报（英文） ›› 2021, Vol. 7 ›› Issue (1): 106-117.doi: 10.23919/CJEE.2021.000010

收稿日期:2019-11-21 修回日期:2020-03-30 接受日期:2020-07-01 发布日期:2021-04-19

Research on Protection of Tuning Area Equipment Disconnection in the ZPW-2000A Track Circuit^*

Yunshui Zheng¹, Zhanyi Shu^1,*, Shenglin Gao²

1. College of Automation & Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China;
2. CRSC Research & Design Institute Group Co., Ltd., Beijing 100070, China

Received:2019-11-21 Revised:2020-03-30 Accepted:2020-07-01 Published:2021-04-19
Contact: * E-mail: 525402925@qq.com
About author:Yunshui Zheng was born in Gansu Province, China, on July 22, 1972. He graduated in electrical engineering and automation from Lanzhou Jiaotong University, Gansu, China, in 1994. He is a professor at Lanzhou Jiaotong University, Lanzhou, China.In recent years, he has published more than 20 papers in domestic journals and important conferences, and participated in the completion of six NSFC projects. At present, he is mainly engaged in teaching and scientific research related to railway automatic control, railway system reliability, and railway building information modeling (BIM) technology. Zhanyi Shu was born in Heilongjiang Province, China, on November 18, 1991. He is a master candidate in traffic information engineering and control at Lanzhou Jiaotong University, Lanzhou, China.His main research interests concern reliability and safety of jointless track circuits.Shenglin Gao was born in Gansu Province, China, on June 11, 1989. He got a master degree in traffic information engineering and control at Lanzhou Jiaotong University, Lanzhou, China. His main research interests are traffic communication and centralized traffic control (CTC)
Supported by:
* National Natural Science Foundation of China (61763023).

摘要/Abstract

关键词: Tuning area faults, protector model, rail voltage, experimental platform, normal state

Abstract: To overcome the problem of tuning area faults influencing the normal operation of the ZPW-2000A track circuit, protector models are established to protect the track circuit from interference. First, the parameters of the protector models are calculated according to the circuit resonance principle. Second, a four-terminal network model of the track circuit in a normal state is established according to transmission-line theory and the transmission equations are derived. Third, the rail voltage is simulated, and an experimental platform is built to verify the models. Finally, the transmission equations of the protectors are derived, and the variation of the rail voltage is analyzed. The results indicate that tuning area faults have significant influence on the rail voltage. However, the installation of protectors can effectively reduce the influence, and not bear on the normal operation and maintenance of the track circuit, which significantly improves the protection ability of the track circuit against tuning area faults.

Key words: Tuning area faults, protector model, rail voltage, experimental platform, normal state

. [J]. 中国电气工程学报（英文）, 2021, 7(1): 106-117.

Yunshui Zheng, Zhanyi Shu, Shenglin Gao. Research on Protection of Tuning Area Equipment Disconnection in the ZPW-2000A Track Circuit^*[J]. Chinese Journal of Electrical Engineering, 2021, 7(1): 106-117.

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Research on Protection of Tuning Area Equipment Disconnection in the ZPW-2000A Track Circuit^*

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