Effects and Characteristics of AC Interference on Parallel Underground Pipelines Caused by an AC Electrified Railway

Minwu Chen, Siyang Liu, Jiuguo Zhu, Chonghao Xie, Hang Tian and Jianjun Li
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Minwu Chen: School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China
Siyang Liu: School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China
Jiuguo Zhu: School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China
Chonghao Xie: School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China
Hang Tian: School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China
Jianjun Li: China Petroleum Pipeline Engineering Co., Ltd., Langfang 65000, China

Energies, 2018, vol. 11, issue 9, 1-24

Abstract: An AC electrified railway can interfere significantly with parallel underground pipelines in a public transportation corridor. Such interference may threaten the long-term transportation and the operational safety of the pipelines. Therefore, this paper presents a mathematical model to illustrate the electromagnetic coupling between an AC electrified railway and nearby parallel underground pipelines. As the basis of the engineering calculation, an integration simulation model based on CDEGS software, which included an electrified railway and pipeline system, was built and its correctness was validated by comparing it with a mathematical model. Also, the effects of electric traction load parameters, pipeline parameters, and soil structure parameters were analyzed, the results of which demonstrate the distribution characteristics of AC interference on parallel underground pipelines. Using a real case in China as an example, protection measures were introduced to decrease coupling interference and their effectiveness was verified by simulation calculations and field measurements.

Keywords: AC electrified railway; parallel underground pipeline; AC interference; traction load parameters; pipeline parameters (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
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