Page 24: of Marine Technology Magazine (May 2018)
Hydrographic Survey: Single beam and Multibeam Sonar
Interconnect says Vidar Strand, senior sales operations manager, technol- ? lled pressurized environments. ogy and solutions center for oil and gas at BHGE. Strand, BHGE has a quali? ed a one-atmosphere system, which was speaking at the Subsea Valley conference in Oslo in March, designed to transmit power 120km from shore to Shell’s Or- cites a 10-20% typical lifecycle cost saving, from going all men Lange ? eld, where it would power subsea compression (a electric, with 25% in some cases. project which was shelved).
ABB is working on a system able to work to transport up to 100MW of power up to 600km and down to 3,000m water
WHO IS DOING WHAT
Moving power electronics subsea is no easy task. Neverthe- depth. It has built and wet-tested a subsea VSD and is prepar- less, companies including ABB, Siemens and Baker Hughes, ing for a second, shallow water test, along with a switch gear a GE Company (BHGE), are working on solutions, by either this year. The complete system is due to be complete in mid- marinizing already proven components (VSDs, switchgear, 2019. ABB is putting the components in oil-? lled containers transformers, etc.) in one atmosphere containers, or creating and using natural convection for cooling. and qualifying new components, which can operate in oil- Siemens, was planning a full system test in 2017. Siemens is
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