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Comparison and Optimization of Reverse Current Switches

Published by NACE
Author(s): Ian Munro

Reverse current electrolysis switches have been used for many years to minimize stray current corrosion damage to underground metallic structures. Various types of systems have been utilized with varying electronics industry has come of age resulting in new, more reliable, higher power devices for the corrosion engineer to utilize in the fabrication of reverse current switches. This paper will examine the need for such units as well as compare and optimize their usage.