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Aspects of constructional and environmental engineering of offshore wind power plants
The aim of this research project is to test and further develop methods for the durability and environmental compatibility assessment of offshore plants.
Ship collisions
TU Hamburg-Harburg: In this research project, the effects of a ship collision were analyzed using different foundations. In conclusion, recommendations for each construction with regard to optimisation of collision safety were prepared.
Load approach for offshore wind power plants
Institute for Fluid Mechanics : Approaches for dealing with load in offshore wind power plants are developed in this sub-project. These serve as models for integrated modelling of wind turbines.
Durability prediction for the supporting structures of offshore wind power plants
Institute for steel construction : Supporting structures of wind power plants are stressed in a highly dynamic manner. Over 109 load alternations from waves, wind and plant operation are anticipated during the 20 year average operating time of a plant. Because of these marginal conditions, the evidence of offshore wind turbine fatigue is of critical importance for safe and economic dimensioning.
Modelling of building-ground-interaction for offshore wind power plants
Institute of Soil Mechanics, Foundation Engineering and Waterpower Engineering : The foundation of offshore wind power plants is a technical challenge - especially in depths of up to 30 meters, such as the potential locations on the North Sea. To find economically-feasible solutions, precise knowledge of load-bearing behaviour is of major significance, particularly the long-term structural behaviour of the foundation, taking into account complex, varying stresses due to swell and wind.
Grid connection of offshore wind farms
Institute for Power Supply and High Voltage Technology : The objective of the project is to clarify and solve questions and problems related to grid connection and integration.
System identification for determination of natural frequency parameters and monitoring for early detection of damage
Institute of Statics and Dynamics of Leibniz University Hannover : An opportunity to improve the durability and, thereby, the profitability is to detect emerging damages on the supporting structure early and to, thus, avoid consequential damages.
Simulation of Logistics Processes for the Erection of Offshore Wind Farms
Institute of Shipping Economics and Logistics (ISL) : A simulation tool for planning the erection of offshore wind power plants has been developed – the whole supply chain on land and at sea can be represented, considering disturbances like weather conditions (e.g. wave heights and windforces) or break downs. Different logistics concepts, transport scenarios, assembly and supply strategies can be analysed. Thus the erection time of whole wind farms, potential bottlenecks in the whole supply chain and required (heavy duty) storage areas in the vicinity of offshore ports can be compared and evaluated for different scenarios.
Turbulence Research
Team Hygro Dynamics : This research project primarily deals with the statistic analysis of wind data (wind gusts) and the stochastic modelling of wind speeds and wind power plants.
Grid integration: Forecast and spatio-temporal structure of the wind power
Institute of Physics, Department Energy und Semiconauctor Research : Supply areas with average grid penetration rates of wind power of more than 20 % and peak productions of wind energy that exceed the specific power requirement of the consumer, are already part of the daily life of the energy industry. This implies significant challenges for the energy supply industry.