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A Case Study: Piecewise vs. Holistic Pipeline AC Mitigation Design

Picture for A Case Study: Piecewise vs. Holistic Pipeline AC Mitigation Design
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AC interference analyses are an important part of designing an adequate cathodic protection system on a pipeline when collocations with high voltage powerline(s) occur. Modeling software has been developed to create accurate simulations of what is occurring in the real world to create the best mitigation designs for operators. Many of these studies are proposed due to pipeline replacements that update pipelines from coatings with coal tar to fusion bonded epoxy (FBE).

Product Number: 51323-19307-SG
Author: Perry Ross
Publication Date: 2023
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$20.00
$20.00

An AC interference study and mitigation design was performed for a pipe replacement project. The project was broken up into multiple phases due to a construction schedule that spans multiple years. This paper is a case study examining the process of performing a piece-wise vs a holistic mitigation design for the pipeline. Designs are based on field data and software modeling. Designs for each approach are compared and their differences and benefits are explored.

An AC interference study and mitigation design was performed for a pipe replacement project. The project was broken up into multiple phases due to a construction schedule that spans multiple years. This paper is a case study examining the process of performing a piece-wise vs a holistic mitigation design for the pipeline. Designs are based on field data and software modeling. Designs for each approach are compared and their differences and benefits are explored.

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Comparing AC Study Techniques In Addressing AC Corrosion Risk

Product Number: 51322-17735-SG
Author: Perry Ross
Publication Date: 2022
$20.00

AC interference studies have become increasingly popular in an industry where shared right of ways have increased and there has been a better understanding of how AC interacts between pipelines and powerlines that are collocated with each other. While modeling software for AC interference studies have been developed since the 1990s, advancement in AC interference processes have occurred as more has been learned over the years. When performing an AC interference study there are three steps that need to be completed: field data collection, modeling, and mitigation design. Within this paper, we can compare a project from ten years ago to a project from today to understand the developments that have been made over the course of time to improve the way we develop our mitigation designs.
Picture for AC Interference and Mitigation: Heartland Case Study
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AC Interference and Mitigation: Heartland Case Study

Product Number: 51317--9461-SG
ISBN: 9461 2017 CP
Author: Matthew Lechelt
Publication Date: 2017
$20.00

Challenges associated with coordinating the modelling, design, and installation of an alternating current interference and mitigation systems. The project consisted of a 65 kilometer long double circuit 500 kilovolt (kV) overhead transmission in a heavily congested right-of-way corridor with more than 80 pipelines.
Picture for Case Study of AC interference on an Urban Gas Pipeline: Field Test AC Mitigation Design and Assessm
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Case Study of AC interference on an Urban Gas Pipeline: Field Test AC Mitigation Design and Assessment

Product Number: 51317--8914-SG
ISBN: 8914 2017 CP
Author: Xiaxi Li
Publication Date: 2017
$20.00

This study attempted to exemplify the AC mitigation design practice for an urban gas pipeline by numerical calculation, including AC interference risk evaluation, AC mitigation design and mitigation effectiveness assessment.
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