Lafaete Creomar Lima

Stein Følkner

Eduardo Wong Cardoso

Anderson Moita Witka

Ana Maria Guimarães Guerreiro

Ola Jemtland

Torbjørn Strømsvik

Ragnar Eretveit

Steven Kronemberger

Rodrigo Silva Cappato

A subsea variable speed drive apparatus comprising a pressure resistant container () comprising a curved wall section having a curved, internal surface (); and a variable speed drive comprising at least one power electronics module () arranged inside the container and held at a predetermined ambient pressure. The at least one power electronics module is mounted on a heatsink () which is mounted on the internal surface, the heatsink comprising a curved surface () contacting the internal surface and having a radius of curvature corresponding to the radius of curvature of the internal surface. A subsea hydrocarbon fluid pumping system comprising such subsea variable speed drive apparatuses and a related method are also disclosed.

Subsea variable speed drive apparatus

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Rio de Janeiro, Brazil

Lafaete Creomar Lima