Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Power Supply Systems for Deep Sea Factories

15.11.2013
Siemens is developing power technology for deep sea factories. These self-sufficient oil and gas extraction facilities should one day exploit raw material deposits on the seafloor.

Located thousands of meters under water, the factories must operate reliably for several decades. However, there is still no empirical data about the high water pressure's long-term effects on transformers and other network components.



As reported in "Pictures of the Future", Siemens is testing components for deep sea facilities in a special pressure chamber in Trondheim, Norway. Beginning in 2020, the Norwegian energy company Statoil plans to build oil and gas extraction facilities deep under water.

Subsea facilities are currently only set up in relatively shallow waters. In these systems, power cables and pipes connect pumps that are distributed across the seafloor to a floating platform. This technology can be used to extract about 40 percent of a raw material reservoir. However, self-sufficient deep sea factories could increase the rate to 60 percent.

These factories pump oil or gas directly out of the wells and compress the gas before transporting it to the surface. The facilities' power supply units (transformers, frequency converters, and switchgear) are also under water, where they provide the correct voltage. As a result, they can supply power to more pumps than surface systems. The only connections between the deep sea and the surface are a pipeline and an electricity and data cable.

The Siemens research center near Trondheim is ensuring the reliability of the deep sea power network by putting the components into a pressure chamber, where they have to withstand up to 460 bars for several months. This pressure is equivalent to the pressure found 4,600 meters under water. The researchers put the individual components into oil-filled pipes that are then placed inside the pressure chamber. The completed facilities will also be filled with oil instead of being installed into conventional air-filled housings.

The oil offsets the high pressure and has better cooling and electrical insulation properties than air, allowing the deep sea facilities to be more compact than would otherwise be the case. Special aging tests ensure that the parts will last for at least 20 years. Only components that pass all of the tests and the subsequent inspection are installed into the electricity network components.

Siemens has already assembled the first deep sea transformer in Trondheim. A switchgear system will be completed by the end of the year, and a frequency converter is scheduled to be finished by the end of 2014.

Dr. Norbert Aschenbrenner | Siemens InnovationNews
Further information:
http://www.siemens.com/innovationnews

More articles from Power and Electrical Engineering:

nachricht Silicon solar cell of ISFH yields 25% efficiency with passivating POLO contacts
08.12.2016 | Institut für Solarenergieforschung GmbH

nachricht Robot on demand: Mobile machining of aircraft components with high precision
06.12.2016 | Fraunhofer IFAM

All articles from Power and Electrical Engineering >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Electron highway inside crystal

Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.

Topological insulators are currently the hot topic in physics according to the newspaper Neue Zürcher Zeitung. Only a few weeks ago, their importance was...

Im Focus: Significantly more productivity in USP lasers

In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.

Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...

Im Focus: Shape matters when light meets atom

Mapping the interaction of a single atom with a single photon may inform design of quantum devices

Have you ever wondered how you see the world? Vision is about photons of light, which are packets of energy, interacting with the atoms or molecules in what...

Im Focus: Novel silicon etching technique crafts 3-D gradient refractive index micro-optics

A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.

Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...

Im Focus: Quantum Particles Form Droplets

In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.

“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

ICTM Conference 2017: Production technology for turbomachine manufacturing of the future

16.11.2016 | Event News

Innovation Day Laser Technology – Laser Additive Manufacturing

01.11.2016 | Event News

#IC2S2: When Social Science meets Computer Science - GESIS will host the IC2S2 conference 2017

14.10.2016 | Event News

 
Latest News

Researchers identify potentially druggable mutant p53 proteins that promote cancer growth

09.12.2016 | Life Sciences

Scientists produce a new roadmap for guiding development & conservation in the Amazon

09.12.2016 | Ecology, The Environment and Conservation

Satellites, airport visibility readings shed light on troops' exposure to air pollution

09.12.2016 | Health and Medicine

VideoLinks
B2B-VideoLinks
More VideoLinks >>>