METHOD FOR BUILDING A SYSTEM OF WATER SUPPLY AND AQUEDUCT CONSTRUCTIONS AND METHOD FOR OPERATION, REPAIR, AND/OR RECONSTRUCTION OF THOSE, AND/OR RESTORATION OF A SYSTEM OF WATER SUPPLY AND AQUEDUCT CONSTRUCTIONS

摘要

FIELD: civil engineering. SUBSTANCE: system of corrosion-resistant cathode protection is provided. For the purpose of this anode grounding, reference electrode and subsidiary electrode are deepened in ground next to at least a part of metal and/or metal-bearing protective objects. At least one converting substation in the form of housing protected against exposure to atmosphere and sun rays is installed in places complying with operating conditions from viewpoint of climate, geographic and geophysic factors. Electric power and metering circuits are laid down between converting substation and the object being protected. Terminals of the circuits, boards and plates with units and members of electric equipment of the converting subsequent installed to create a former of protective potentials are brought into above converting substation. The former of protective potentials includes power unit on the base of D.C. power supply to provide protective potentials between the object being protected and anode grounding. Apart from this the former includes control system with functional units including selection unit for potentials being monitored and monitoring and protection unit, and control input unit with at least three-position protection selector. Ends of above circuits are connected to leads of protective potential former of the converting substation. Other ends of the circuits are connected to the object being protected, anode grounding, reference electrode and subsidiary electrode, Units and members of protective potential former are interconnected to each other, and to the circuits to form depending on real potentials a proper protective potential on the object being protected and both electrodes. Monitoring and protection unit and at least one more unit among from control system are placed on common plate, and the remainder of the units and members of the former of protective potentials of the converting substation on another plate. EFFECT: improved reliability of corrosion resistance with concurrent decrease of excavating scope as well as labour and materials consumption. 96 cl, 15 dwg