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HIPRWIND Informe resumido

Project ID: 256812
Financiado con arreglo a: FP7-ENERGY
País: Germany

Periodic Report Summary 2 - HIPRWIND (High Power, high Reliability offshore wind technology)

Project Context and Objectives:

The HiPRwind project aims at advancing the state of the art for multi-MW wind turbines offshore and especially floating wind turbines. With 18 partners:


- Micromega (Belgium)
- Olav Olsen (Norway)
- Wölfel beratende Ingieure (Germany)
- 1-Tech (Belgium)


- NTNU (Norway)
- University Siegen (Germany)

Research Organisations:

- Fraunhofer IWES and IZFP (Germany)
- Narec (UK)
- SINTEF (Norway)
- Technalia (Spain)
- The Welding Institute (UK)


- Acciona Energia (Spain)
- Acciona Windpower (Spain)
- ABB (Switzerland)
- Bureau Veritas (France)
- IDESA (Spain)
- Technip (France)
- Vicinay Cadenas (Spain),

The consortium undertakes the design, fabrication, installation and operation of a floating wind turbine for research purpose. The first phase of the project involves mostly industrial companies dedicated to designing a floating support structure matching the chosen 1.5 MW wind turbine.

The detailed design is performed in Work package 1. The scope of WP1 is the floater itself, the mooring system and dynamic cable, the control and operational supervision system, etc. The design process is entirely supported by use of numerical simulation tools. WP1 is also responsible to identify a test site and to take care for the governmental permissions required to load out, to transport and to install the test machine in the chosen test site..
The results of WP1 constitute the working base of Work Package 2, where fabrication, load out and installation of the whole floating system are undertaken. Leaded by IDESA, the WP will perform the construction of the steel parts of the floater, installation of the marinised wind turbine and commissioning of the complete floating platform. Finally, the platform will be loaded out, transported and installed at BIMEP test site.

The structure once installed will be commissioned and operated by Work Package 3 under Tecnalia’s lead. This will also cover the development, installation and operation of a comprehensive measurement system. Thanks to its location close to the planned installation site off the Spanish coast in the Bay of Biscay, Tecnalia will be able to maintain operation of the wind turbine and of the sensor systems over the two years operation time and beyond.

Following commissioning, this unique research tool will be available to researchers and provide a huge amount of field test data and valuable experiences for all aspects of floating wind turbines, e. g. the commissioning, the load out / installation, the maritime operation & maintenance. These results will feed into the R&D Work Packages 4 (Advanced floater and moorings systems), 5 (Controls, Power and Grid), 6 (Condition and structural health monitoring) and 7 (Advanced Rotor Concepts). The developments and theoretical results of these WPs can be evaluated with the field test data. In a recursive process, the R&D results will be refined and re-evaluated in several design loops. Work Package 8 (Turbine concept generation) will summarize the findings in the R&D WPs and will generate a comprehensive general concept for future up-scaled floating wind turbines.

Project Results:

Within the second year of the project, all Work Packages have started operate in their tasks.
WP1 has finalised the concept design of the demonstration floating platform. In particular, the following results have been achieved:
- the conceptual design of the floating system has been finalised
- the BIMEP test site has been proven to be suitable and available for installation
- Spanish authorities have shown their support for the project
- the dynamic behaviour of the floating system has been investigated
- the mooring system and dynamic cabling concept has been introduced with respect to the geotechnical specifications of the BIMEP site
- the control system has been developed and tested in simulations

WP2 has started the commissioning of the floater. Expected completion of the manufacturing process is May 2013. The assembly of the wind turbine has been prepared by design of the tower and connecting flanges and tests of a system to prevent salinized air/water to penetrate the inner space of the turbine. A concept for the system load out has been made and quotes have been requested for the logistic equipment.

WP3 has produced the following results:
- Definition of an O&M protocol to ensure the safe operation, access and maintenance of the floating turbine
- Definition and specifiaction of the structural health monitoring (SHM) system, incl. sensor equipment, signal cabling, installation procedure, required redundancies, etc.
- Performing a risk analysis as a starting point for contingency protocol
- Since the communication system of the BIMEP test site is not available, an alternative system has been designed
- Setup of a data base concept to support access to the field test data for the R&D WPs
- Specification of the certification and training procedures to allow personnel to access the floating turbine

The R&D Work packages 4 to 7 have started their activities in the respective fields of work. WP4 mainly has supported other WPs with expertise in the field of floater and mooring designs and has started to schedule its intrinsic tasks. WP5 has finalised the development and commissioning of the power converter. WP6 has completed the hard and software concept for the condition and structural health monitoring of the wind turbine and the floater. WP7 has analysed several active and passive concepts for blade load reduction and has selected a suitable beam geometry for structural fatigue testing.

Within WP8, the main restrictions for the technical development of wind turbines have been described, the boundary conditions and bottlenecks for turbine upscaling have been identified/reported, a concept roadmap has been initialised and the work on the turbine concept generation has been started. WP9 has hosted the web site and has provided useful information (e. g. the event calendar). WP10 has organised several meetings (Steering Committee, GAM, Review meeting) and has prepared a contract amendment due to the withdrawal of Mammoet from the project and other modifications required to focus on main the project objectives.

Potential Impact:

To achieve the overall project aims, the design, construction and installation phase is of course critical. The R&D work packages 4, 5, 6 and 7 are however paramount to achieving the full impact in terms of advancement of the state of the art in the field of modelling and analysis of floating structures, controls and power generation of wind turbines, condition and structural health monitoring as well as rotor concepts.
In those four work packages, the experimental research and development work will involve 13 of 18 partners and follow the objectives mentioned in the figure HiPRwind_R&D-Results.png

Image HiPRwind_R&D-Results

A high level synthesis of the R&D results will be prepared by Work Package 8 to provide the industry with a roadmap and a vision for the development of very large offshore wind turbines, aimed at reducing risk and cost over the technology development process.

The R&D findings and the experiences in load out, transport, installation and operation of a floating wind turbine will support the realisation of future deep water floating wind farms significantly.

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