DEVICE FOR STABLE UNDERWATER ELECTRIC POWER TRANSMISSION TO DRIVE HIGH-SPEED ENGINES OR OTHER UNDERWATER LOADS Russian patent published in 2017 - IPC H02J3/22 H02J3/36 F03B13/10 F03B13/14 

FIELD: electrical engineering.

SUBSTANCE: invention relates to electrical engineering. Device for stable underwater electric power transmission to drive high-speed engines or other underwater loads, e.g. pumps, compressors and control systems, represents rotary stepped frequency change device, more precisely, frequency increase or decrease rotary device; it comprises engine and generator functionally connected so, that engine drives generator; at least, one vessel filled with gas and/or liquid, in which, at least, one of engine and generator is arranged, wherein cable length is long, which means long enough, to cause problems due to Ferranti effect at frequencies and power levels, suitable for underwater pumps and compressors engines. Through lengthy cable device gets power supply at input at sufficiently low frequency to have stable transmission. Functionally connected to engine device, at output outputs electric current frequency, current and voltage, suitable for connected engines operation. Hydrocarbon fluid medium underwater pressure increase system or other fluid medium comprises said device.

EFFECT: invention can be used in equipment for electric power transmission to underwater loads, located far from platform surface parts or from shore, requiring transmission of high power.

15 cl, 7 dwg, 4 tbl