January 23, 2024: Pipeline AC Interference and Mitigation

  • Author: David Willoughby
  • Level: Advanced
  • Study time: 6.5 hours
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Course overview
What is AC interference? What is it caused by? What is the mitigation of AC interference?

This course is appropriate for pipeline, utility, and consulting engineers and other technical individuals with the responsibility of AC interference control on pipelines.
The AC Interference and Mitigation webinar is offered as a 6.5-hour course that covers the principles of AC interference and mitigation on pipelines. This course addresses the basics of AC circuits, AC interference, how to predict the effects of the AC interference on pipelines, and current methods and equipment used in AC mitigation. Course topics include the basic principles of AC circuits, induced AC pipeline voltages, shock hazards, AC corrosion, fault conditions, AC modeling, AC mitigation, and AC measurement techniques. This course utilizes a combination of theory and practical.

The objective of this course is for each student to understand the fundamentals of AC interference and AC modeling and mitigation. The webinar is designed to provide the student with knowledge of AC interference and mitigation design.
START TIME: 8:30 a.m.
END TIME: 3:00 p.m.

PDH Certificate included upon successful completion

  • Course Outline

    AC Circuits – Basic Principles
    Introduction to AC Interference on Pipelines
    • Electrostatic Coupling
    • Conductive Coupling
    • Electromagnetic Coupling
  • Effects of AC Interference
    • Shock Hazards
    • AC Corrosion
  • AC Interference Prediction and Mitigation
    • Induced Voltage
    • Fault Currents
  • Developing and Sectioning the Pipeline – power line corridor
    • Threat Assessment
  • Mitigation Methods and Equipment
    AC Modeling and Mitigation Examples

David Willoughby

Cathodic Protection Design SME, Former Director RK&K
ABOUT David
David Willoughby has specializations in cathodic protection design, corrosion control, and AC interference analysis with extensive experience in the design, construction, and implementation of cathodic protection systems and AC mitigation methods. Mr. Willoughby is a NACE certified cathodic protection specialist.
During his career, Mr. Willoughby has gained significant experience and training in corrosion control and cathodic protection of multiple facilities. His primary areas of expertise include performing engineering feasibility studies, performing corrosion evaluations and assessments, AC modeling and mitigation, and recommendation and design of corrosion control measures for storage tanks and pipeline facilities.
Mr. Willoughby is an industry-recognized expert in AC interference modeling and mitigation. He has extensive experience utilizing the SES Right of Way, PRCI, and TTB PowerTool software packages. Mr. Willoughby also developed in-house computer programs for performing QA/QC reviews of all AC interference modeling and mitigation design projects. He provides AC interference and CP design training to the pipeline and utility industries. He has presented AC training to several key industry clients such as Enbridge, Kinder Morgan, and Phillips 66 and has spoken at multiple industry workshops.