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Products tagged with 'rectifier'

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Picture for Rectifier Maintenance: How I Spent My Summer Vacation…
Available for download

51315-5661-Rectifier Maintenance: How I Spent My Summer Vacation…

Product Number: 51315-5667-SG
ISBN: 5667 2015 CP
Author: Eric Langelund
Publication Date: 2015
$20.00

The maintenance discussed will cover everything from rectifier cleaning to swapping out a stack.A well maintained rectifier provides uninterrupted cathodic protection reduces repair costs and labor/technician time.
Picture for AC Corrosion At Other Frequencies Part A: Field Investigation And Mitigation
Available for download

AC Corrosion At Other Frequencies Part A: Field Investigation And Mitigation

Product Number: 51321-16807-SG
Author: Wolfgang Fieltsch, P. Eng.; Fation Shahinas, P. Eng.; Andreas Junker Olesen, Ph.D., Eng.; Lars Vendelbo Nielsen, Ph.D., Eng.
Publication Date: 2021
$20.00
Picture for Applying Machine Learning Techniques To Identify And Predict Behavior Of Rectifier And Groundbed State Change
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Applying Machine Learning Techniques To Identify And Predict Behavior Of Rectifier And Groundbed State Change

Product Number: 51322-17833-SG
Author: Matt Barrett, Will Maize, Tony da Costa
Publication Date: 2022
$20.00

Impressed current rectifiers are the backbone of a pipeline operator’s cathodic protection (CP) systems. A rectifier’s ability to protect a large length of electrically continuous pipeline considerably improves efficiencies and reduces material costs as compared to galvanic systems. However, like galvanic anodes, impressed current anodes are a consumable asset, and require replacement at the end of their service life to ensure that the rectifier can continue to adequately protect the pipeline.
Picture for Combining RMU, Annual Survey, and Groundbed System Design Data to Predict Capital Replacement Needs
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Combining RMU, Annual Survey, and Groundbed System Design Data to Predict Capital Replacement Needs

Product Number: 51324-20805-SG
Author: Matt Barrett; Mill Jawed; Dylan Bolch; William Maize; Tony da Costa
Publication Date: 2024
$40.00
We present a procedure to estimate the remaining service life of an impressed current groundbed using data analytics techniques to combine the various manually and remotely collected measurements, and rectifier groundbed metadata. Multiple data sources, including commissioning data, annual survey data, remote monitoring data were combined to create a consolidated dataset spanning over ten years for each impressed current cathodic protection (ICCP) rectifier groundbed. Using advanced analytics algorithms applied to ICCP rectifier groundbed sites, weighting factors have been calculated to determine the influence of each dataset on the estimated groundbed remaining service life. This work builds on previous presentations at AMPP Corrosion 2021 and 2022, where seasonality and historic trends in rectifier resistance measurements were modelled. By including additional datasets describing the location at the time of installation and the historic survey measurements, a more robust prediction can be made.
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