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Device for stable subsea electric power transmission to run subsea high speed DC motors or other subsea DC loads
Device for stable subsea electric power transmission to run subsea high speed DC motors or other subsea DC loads
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机译:用于稳定海底电力传输以运行海底高速直流电动机或其他海底直流负载的装置
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摘要
Device for operative connection between a subsea step out cabie far end and subsea toads such as pumps, compressors and control systems, distinctive in that the device is a subsea DC provider (SDCP), and it comprises: a SDCP unit for altering alternating current power received from the step out cable to direct current power for delivery to said loads, a gas and/or liquid filled vessel into which said unit is arranged, and the device is a SDCP for subsea location at a far end of a subsea step out cable connected to at least one AC power source at the step out cable near end, and the step out length is long, which means long enough to cause, stability problems at frequency and power levels feasible for subsea pump and compressor motors, and where the device via the step out cable receives input electrical power at a low enough frequency to have stable transmission and the device, operativeSy connected to the subsea motors, delivers a DC output electrical amperage and voltage feasible for operation of connected pump and compressor motors. System for subsea pressure boosting of hydrocarbon fluid or other fluid, comprising the device.
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