Dynamic Fluctuation Characteristics of AC and DC Parameters of Buried Pipeline under AC Interference from High-Speed Railway
摘 要
对三条高速铁路附近埋地管道的交直流参数进行了长时间监测,并对监测数据进行了统计分析。结果表明:在高速铁路动态交流干扰下,管道交流干扰参数呈脉冲式波动特征,管道交直流参数的波动与高铁运行情况具有良好的同步性,阴极保护的有效性降低;管道的交流干扰状况与高铁牵引供电方式密切相关,与AT供电方式相比,直接供电方式高铁附近管道的交流干扰周期较长,单个周期内干扰时间也更长。
Abstract
The AC and DC parameters of buried pipelines near three high-speed railways were monitored for a long time, and the monitoring data were analyzed statistically. The results showed that under the dynamic AC interference of high-speed railway, the AC interference parameters of pipelines displayed pulse type fluctuation characteristics, and the fluctuation of AC and DC parameters of pipelines had good synchronization with the running condition of high-speed railway, and the effectiveness of cathodic protection was reduced. The AC interference condition of pipeline was closely related to the traction power supply mode of high-speed railway. Compared with the AT power supply mode, the AC interference period of the pipeline near high-speed railway in the direct power supply mode was longer, and the interference time within a single cycle was longer as well.
中图分类号 TG174 DOI 10.11973/fsyfh-202305013
所属栏目 应用技术
基金项目 国家重点研发计划项目(2016YFC0802101)
收稿日期 2021/4/4
修改稿日期
网络出版日期
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引用该论文: CHEN Le,DU Yanxia,LIANG Yi. Dynamic Fluctuation Characteristics of AC and DC Parameters of Buried Pipeline under AC Interference from High-Speed Railway[J]. Corrosion & Protection, 2023, 44(5): 69
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