Products tagged with 'ac mitigation'

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The AC Close Interval Survey and Other Common AC Measurement Errors

Product Number: 51317--9455-SG

ISBN: 9455 2017 CP

Author: Wolfgang Fieltsch

Publication Date: 2017

$20.00

The measurement of induced AC voltages along a pipeline is a primary indicator of electrical safety hazards and AC corrosion risks under operating powerlines. This paper addresses several fallacies, misconceptions and common errors related to the measurement of these AC induced voltages.

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The Advantages and Challenges of a Direct to Install AC Mitigation Approach: A Case Study

Product Number: 51323-19267-SG

Author: Joe Gallant, Darrell Cornet, Emer Flounders

Publication Date: 2023

$20.00

A large diameter, 1067 mm (42 in) and 914 mm (36 in), high pressure gas mainline, and four (4) smaller diameter lateral pipelines, between 406 mm (16 in) and 610 mm (24 in), were constructed in Alberta, Canada, between 1999 and 2000. At the time of construction, the pipelines were built in proximity to several high voltage alternating current (HVAC) transmission lines. In subsequent years, additional transmission lines were built near the pipeline system, bringing the total number of lines with significant proximity to eight (8).

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Using DC Decouplers to Maximize Isolation of Cathodically Protected Structures

Product Number: MECC23-19878-SG

Author: Jay Warner

Publication Date: 2023

$20.00

Cathodic Protection (CP), when properly applied, is an effective technique to minimize the natural corrosion process that occurs on pipelines, tanks, and other buried steel structures. To maintain effective CP coverage with minimal current demand, the structure must be well-isolated from earth for DC current flow. This is commonly accomplished using high resistance coatings, isolation joints, dielectric fittings and isolation pads.

Products tagged with 'ac mitigation'

The AC Close Interval Survey and Other Common AC Measurement Errors

The Advantages and Challenges of a Direct to Install AC Mitigation Approach: A Case Study

Using DC Decouplers to Maximize Isolation of Cathodically Protected Structures

Association for Materials Protection and Performance