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Detection and Mitigation of AC Interference on 200km Pipeline

[+] Author Affiliations
Yanxia Du, Zitao Jiang, Minxu Lu

University of Science and Technology Beijing, Beijing, China

Paper No. IPC2012-90681, pp. 277-281; 5 pages
doi:10.1115/IPC2012-90681
From:
  • 2012 9th International Pipeline Conference
  • Volume 2: Pipeline Integrity Management
  • Calgary, Alberta, Canada, September 24–28, 2012
  • Conference Sponsors: International Petroleum Technology Institute, Pipeline Division
  • ISBN: 978-0-7918-4513-4
  • Copyright © 2012 by ASME

abstract

The AC interference on pipelines caused by nearby HVAC power lines and electrified railways can lead to electric shock hazard and AC corrosion, which threatens the safety of pipeline and has attracted more and more attention. A 300km-long pipeline in the north of China is close to many HVAC power lines and electrified railways and there exists a high risk of AC interference. A detection of AC interference has been done along the pipeline and the results indicate that AC interference is severe due to high AC voltage and AC current density. The mitigation scheme of the pipeline is designed with the aid of computer simulation software, based on which the mitigations are constructed. The field measurements show that the mitigation effect is good.

Copyright © 2012 by ASME
Topics: Pipelines

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