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Picture for Risk Analysis for Assessing AC Corrosion in Trasnmission Pipelines
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51317--9786-Risk Analysis for Assessing AC Corrosion in Trasnmission Pipelines

Product Number: 51317--9786-SG
ISBN: 9786 2017 CP
Author: Alfonso Garcia Rojas
Publication Date: 2017
$20.00

Expansion has increased the risk of AC in pipelines. In this work, calculations of induced AC voltage and current are performed for scenarios involving: HVAC transmission powerline configuration, lateral distance to the transmission pipeline, and parallelism between the transmission lines, soil, and pipeline and coating properties. 

 
Picture for Computational Methods for Estimating Pipeline High Voltage Induction Susceptibility
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Computational Methods for Estimating Pipeline High Voltage Induction Susceptibility

Product Number: 51324-20738-SG
Author: Thomas Hayden; Christian Akuchie; Joseph Mazzella
Publication Date: 2024
$40.00
Estimating inductive corrosion susceptibility to pipeline systems from high-voltage transmission equipment is a well-studied problem. The mathematics for computing induced current is well known, dating back to fundamental 19th-century electromagnetism research. Yet, estimating induced current using those calculus-based equations is rarely done due to computational and data requirements. As such, most high-voltage induction risk studies use a series of approximations. The need for improved susceptibility estimation has expanded in the last two years alone. Due to economic and environmental concerns, governments and private organizations have begun re-investing resources in national electrical transmission networks. Furthermore, improved load-balancing techniques, new construction, environmental concerns, and dynamic line rating regulation have instantiated a more volatile problem for risk assessment. Computational technology is catching up, and there are powerful three-dimensional deterministic techniques for estimating corrosion susceptibility. This paper presents one approach using geospatial datasets to construct a digital twin and calculus-based methods to assess corrosion susceptibility. In addition, feature data and decoupler information from a North American pipeline operator is used to model current mitigation and grounding.
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