Electrolysis studies indicated that inadequate drainage of a one-mile long 350,000 circular mil drain wire had created cable-to-earth potentials ranging from + .15 to + .35 volt in certain areas. This situation was corrected through the use of a magnetic amplifier used to vary the rectifier output simultaneously with the erratic positive cable-to-earth potentials. Experience to date indicates this controlled magnetic amplifier not only performs effectively but also requires a minimum of maintenance. 5.2.3

Subject
Electric current, Circuits, Circuit potentials, Reactors, Saturation, Rivers, Potential range, Wiring, Metallic structures, Transformers, Cables, Rectifiers, Drainage
Copyright 1958 by the National Association of Corrosion Engineers.
1958
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