FIELD: electrical engineering.
SUBSTANCE: present invention describes a three-phase power cable for a downhole pump containing three power cores (21, 31), each of which contains at least one extruded polymer insulating layer (22, 32), made of an insulating polymer selected from an ethylene copolymer or fluoropolymer, three metal tubes, each metal tube individually including each of the three power cores and installed radially outside insulating layer (22, 32) and extruded sealing layer (25, 35), enclosing three metal tubes and made of fluoropolymer, wherein this extruded sealing layer is the outermost layer of the power cable.
EFFECT: technical result is obtaining power cables for electric centrifugal pump.
13 cl, 3 dwg, 1 tbl
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Authors
Dates
2021-07-29—Published
2017-06-09—Filed