FIELD: oil extractive industry.
SUBSTANCE: system for sea extraction of oil contains system for inductive heating of pipe for liquid with usage of electric cable is positioned close to pipe for liquid. Electricity is fed to cable or in energy feeding mode, in which system powered by energy is electrically connected to cable and at that inductive heating of pipe for liquid is practically not provided, or in heating mode, in which system powered by energy is electrically separated from cable and thus pipe heating is provided.
EFFECT: efficient usage of electric energy transfer system.
3 cl, 7 dwg
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