FIELD: corrosion protection.
SUBSTANCE: invention relates to the field of corrosion protection and can be used to determine the corrosion state of underground pipelines. The information and control system contains single indicators, a common and information conductors, a switch, a conductivity measurement unit, conductivity data registers of single indicators covering the pipeline and parallel to the pipeline, comparison units, minimum conductivity setters, comparators, a conductivity data divider, an arc tangent calculation unit, square calculation units , an adder, a square root extractor, a memory unit for the magnitude and direction of corrosion, a timer, a control unit, a receiving-transmitting unit, measuring and control modules, a unit for generating control actions for correcting the protective potentials of electrochemical protection equipment along the entire length of the underground pipeline.
EFFECT: invention provides for measuring the magnitude and direction of the corrosive effect of stray currents along the entire length of an underground pipeline and for generating control actions for correcting the protective potentials of electrochemical protection equipment.
1 cl, 1 dwg
