General Electric Company

Nicolai Hytten

Christof Martin Sihler

Piniwan Thiwanka Bandara Wijekoon

Henri Baerd

Jean-Louis Pouliquen

A submersible power system includes at least one DC power source and at least one submersible power distribution system electrically coupled to the at least one DC power source. The at least one submersible power distribution system includes at least one receptacle configured to be exposed to an underwater environment. The at least one submersible power distribution system also includes a plurality of power conversion modules removably positioned within the at least one receptacle. Each power conversion module of the plurality of power conversion modules includes an enclosure configured to be exposed to the underwater environment. The at least one submersible power distribution system further includes at least one switchyard module selectably coupled to and uncoupled from the plurality of power conversion modules. The at least one switchyard module includes a plurality of switches configured to electrically bypass and isolate each power conversion module from the DC power source.

Methods and systems for subsea direct current power distribution

A combined direct current DC power transmission and heating system is provided. The system includes a rectifier station configured to generate a DC link current. The system also includes a downstream converter station positioned remotely from the rectifier station. The downstream converter station is configured to generate power supplied to an electrical load using at least a portion of the DC link current. The system also includes a return conductor electrically coupled to the rectifier station and the downstream converter station. The return conductor is configured to transmit a return current from the downstream converter station to the rectifier station. The return conductor is also configured to generate heat from resistive losses induced by the return current; and conduct the heat generated by the return current to a fluid being transported from a proximity of the downstream converter station to a proximity of the rectifier station.

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Oslo, Norway

Nicolai Hytten