FIELD: electrical engineering. SUBSTANCE: invention refers to electric heating system for underwater flexible pipe-lines which includes circulation of electric current passing through metal reinforcements of flexible pipe-line generating energy and scattering certain amount of heat in pipe-line and fluid medium, keeping temperature difference between environment and product carrying pipe-line so that flow of fluid medium is not interrupted. EFFECT: stabilized functional efficiency and reliability of electric heating system. 3 cl, 13 dwg, 1 tbl
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