Embedded AC mitigation system
Abstract:
An embedded Alternating Current (AC) mitigation system reduces or eliminates induced AC currents on pipelines. When a pipeline runs parallel to power lines, the AC current in the power lines induces AC current in the pipeline. Known coatings applied to the pipelines provides electrical insulation and result in a dangerous or destructive buildup of AC voltage in the pipeline. A combination of the pipeline, a dielectric, and a plate, forms a capacitor. The dielectric may be a coating on the pipe, or a dielectric material deposited on the pipeline and under the plate. The capacitor acts as a decoupler by transmitting AC current to the ground while preserving DC current on the pipeline. The embedded AC mitigation system will further act as grounding system and eliminate the need of adding a grounding system.
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