FIELD: electrical engineering.
SUBSTANCE: invention relates to the electrical equipment. Device of SF6-water cooling comprises compressor connected to electric energy source. Also, the circulating system connected in series with the tubes, filled with SF6 gas containing coarse and fine filters. Coarse filter has shaft rotation device with filter element arranged inside coarse filter connected to control panel. Oil transformer cooling device contains a coil, which is coiled along external surface of the pipe of the cold water supply system, and then passes rectilinearly in the internal part of the pipeline.
EFFECT: technical result consists in improvement of cooling efficiency of oil transformer at long-term and short-term overloads in summer time of year to prevent failures and unreasonable outages of transformer.
1 cl, 1 dwg
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