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Teasers for the presentations on September 19th:

Gudmund Synnevåg Synnes/NVE - Planning for offshore wind power.

In 2010 a directorate group lead by the Norwegian water resources- and energy directorate (NVE) identified 15 suitable areas for offshore wind power in Norwegian waters. According to the ocean energy act these 15 areas are to be subjected to a strategic environmental impact assessment to clarify possible impact with other interests. This work is currently in progress, and the strategic impact assessment will be presented to the Ministry of petroleum and energy in October 2012. This presentation will give a brief insight into what criteria NVE are evaluating, and will focus on technical and economical aspects of the report

Jørn Heggset/SINTEF - New solutions for effective monitoring of offshore wind farms:

In the Windsense project an add-on instrumentation system that aims to make wind turbines more effective by reducing unplanned shutdowns, thus achieving higher reliability of the power plant, is under development. A key challenge for the future is the adaptation of equipment and methods for maintenance from the maritime and oil and gas industry, for use on offshore wind turbines. Cost-effective operation of offshore wind turbines will require new technology that enables a greater degree of remote control and remote monitoring of the turbines. It also requires durable and reliable instruments to monitor the operation and components in harsh environments at sea. The system will primarily be an instrument for monitoring the technical condition of the wind turbines and the life cycle of the components used. It will make it possible to more accurately predict when the equipment must be maintained and replaced. http://www.tu.no/energi/2012/01/16/norsk-prosjekt-skal-hindre-vindmollestans

Breanne Gellatly / Carbon Trust - OWA Access Systems :

In autumn 2010, the Offshore Wind Accelerator (OWA) launched a competition for improved access systems. The technical working group had screened the market and concluded that very few systems were able to transfer personnel above 1.5m significant wave, severely limiting turbine availability for O&M in Round 3 conditions. If systems could be developed to allow transfers in 3m Hs, the availability would be increased from 200 to 310 days a year at sites like Dogger Bank. The competition was looking for innovation in three technology areas:

  • Transfer systems—Safer, lighter weight, faster-to-deploy systems.
  • Infield crew transfer vessels— faster, more efficient and comfortable in transit, more stable and manoeuvrable in station-keeping.
  • Launch and recovery systems—safer, more robust systems to launch and recover daughter craft from mother ships

In August 2011, the designers of the best 13 access systems from the 450 entries were awarded scopes of work for concept design and de-risking. A further seven commended designs were offered technical advice from the OWA. Over the last nine months, significant progress has been made to develop the designs. Many of them have now been through tank testing, and the most promising have started to attract the interest of vessel owners and operators (e.g., Fjellstrand has sold six WindServer vessels to World Marine Offshore). The OWA plans to continue to support the leading designs as they move towards commercialisation.

Jone Sæbø / Windmaster Technologies - How to measure wind and turbulence in an operational wind farm, using radar?

Imagine that one distribute a number of met masts inside an offshore wind farm between turbines and reliably measure wind and turbulence parameters without interfering with overall wind flow.  The development of the Invisible Met Mast is Windmaster Technologies’ contribution to making this idea a reality.  Using a distributed antenna system and high purity microwave signals a set of small volumes are remotely probed for wind and turbulence parameters. Data from these volumes are available continuously, streamed to the operator in close to real time enabling direct use for nowcasting, park management and control.  The talk will present the Invisible Met Mast concept and provide an understanding of how the measurable radar quantities relate to wind and turbulence, and how radar, as an established offshore technology, might provide the key to high availability and reliability, essential for coupling to control systems.

Joachim Reuder / UiB - The potential of lidar measurements for wind power meteorology:

During the last decade wind sensing by the lidar technique has become more and more common. The talk will give an overview on well established methods and systems, e.g. for wind profiling, on more experimental efforts, e.g. by the use of scanning lidar devices and finally an outlook on the future potential of the technique with respect to e.g. turbulence characterization.

Moritz Häckell / Leibniz Universität Hannover - Health monitoring at offshore wind turbines with focus on the support structure and the blades:

The presentation will give an overview of what has been monitored at a 5MW offshore wind energy converter within the research project GIGAWIND alpha ventus as part of the RAVE initiative. Covering e.g. grout displacements, wave forces and dynamics of the tripod structure. Further, the application of an innovative monitoring system for early damage detection at rotor blades will be shown.

Therese Gjerde/Bergen Energi - Impacts of variable winds on the electricity market:

Therese Gjerde is Vice President Head of spot management at Bergen Energi AS, and has been working within the energy sector since 2006 with main focus on the physical power markets. Today she is leading Bergen Energis department for short time trade, focusing on marked access for Nordic and European end users, industry and suppliers.

We expect an increase in renewable power in Europe and the Nordic countries, in particular non-flexible power like on- and offshore wind power. How will this possibly affect the market, and which factors will be driving the prices in near future? And to which extent will the prices be affected by these non-flexible power sources?

Tore Engevik / Aibel - Technology transfer; taking the leap from Oil&Gas to offshore wind.

Aibel will share how the company capitalize on core competence gained in the Oil&Gas business for more than 40 years for utilization in an upcoming offshore wind industry. What is transferable, and what to avoid.



Registration is closed; please contact the centre administration for manual registration: post(at)norcowe.no.



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