Lift-Induced Wake Re-Energization for a VAWT-Based Multi-Rotor System

In response to the urgent need for renewable energy amidst the escalating impacts of global warming, this study delves into the forefront of wind energy research, particularly focusing on the innovative Multi-Rotor System (MRS). The MRS concept offers a promising departure from the prevailing trend of scaling up traditional turbines, instead...

Auralisation of Modelled Wind Turbine Noise for Psychoacoustic Listening Experiments: Development and Validation of the Wind Turbine Auralisation Tool WinTAur

Wind turbine noise is one of the grand challenges in the public acceptance of onshore wind farm projects. The field of psychoacoustics identifies the auralisation of wind turbine noise as a link between technical design and annoyance estimation. There is currently limited work on the auralisation of wind turbine noise, and none targets an...

Validation of Breathing Modes in Wind Turbine Blade Finite Element Models

Wind energy is a growing industry, and in an effort to reduce costs and increase turbine efficiency, rotor blades are becoming increasingly large in size. To facilitate this effort, the SmartBlades2 research project has designed, built, and tested a set of prototype research blades. As part of the SmartBlades2 project, high sensor density modal...

Atmospheric Stability Effects on a Spar-Type Floating Wind Turbine

Simulations of a spar-type floating wind turbine supporting the DTU 10 MW reference turbine under fitted atmospheric conditions are performed. Atmospheric conditions are modelled using the turbulent models recommended by the IEC: the Mann model and the IEC Kaimal and exponential coherence model. Model parameters are fitted to measurements at the...

Material Recovery from Dutch Wind Energy: A dynamic material flow analysis on Dutch wind turbines towards 2050 including recycling approaches for recovery of key materials

The transition to a renewable electricity system requires more intensive material use, causing problem shifting in environmental impacts. To conserve resources for the future and mitigate environmental impact, circular economy principles are needed. This study analyses material flows in Dutch wind energy towards 2050 to identify the potential...

Wind Turbine Design for a Hybrid System: with the emphasis on generation complementarity

The global issue on global warming leads nations to reduce their carbon emission, and one way to do it is by decarbonising the power system and employing higher penetration of renewable energy technology. However, due to the variable nature of renewable energy, their integration to the power system poses challenges to the utilities and system...

Validation of aero-hydro-servo-elastic load and motion simulations in BHawC/OrcaFlex for the Hywind Scotland floating offshore wind farm

Climate change, as a result from global warming, requires an energy transition: the reduction of greenhouse gas emissions from fossil fuels and a radical innovation of the global energy system to proceed apace. Offshore wind is an important source of clean, renewable energy, and it plays a key role in the transition. 80% of the worldwide...

Computer Vision for Gear Alignment Check and Condition Monitoring of Wind Turbine Gearboxes

Wind energy plays a major role in the ongoing energy transition. To accelerate the adoption of wind energy and thereby the energy transition, the Levelized Cost of Energy (LCOE) has to be minimized. Apart from increasing turbine performance, reducing turbine down-time can contribute to lowering the LCOE.Down-time is defined as time during which...

Integrating Scanning Lidar with LES for Wake Characterization in Complex Terrain

Flows over complex terrains present uncertainties in wind farm power production and lifespan. Core to these uncertainties are wake dynamics, which lack adequate models and need further validation. In lieu of conducting field experiments, this study integrates scanning lidar measurements and large eddy simulation (LES) to characterize wakes in...

On the effects of an azimuth offset in the MBC-transformation used by IPC for wind turbine fatigue load reductions

<br/>Wind energy currently is one of the most attractive solutions to help in the goal of switching to a more sustainable way of energy production. To stay competitive with other forms of energy production, the reduction of the Levelized Cost of Energy (LCoE) is an important indicator. One way of achieving this goal is by increasing the size of...

Lifetime comparison of power semiconductors in three-level converters for 10MW wind turbine systems

The power electronic converter, especially the power semiconductor, is a major contributor to the failure rates of the wind turbine drivetrain. As the temperature is a major driving factor behind the failure mechanisms of these power semiconductors the choice of topology and switching strategy can have a significant effect on the reliability...

RTDS/RSCAD Type-3 Doubly-Fed Induction Wind Turbine Generator Model: Internship Report

In the future, it is expected that the European Power Grid will be integrated with several sources of renewable energy producers (mainly wind/solar), alternating their maximum/minimum production periods per year. All involved parts of the European Power System (generation and consumption units) will increasingly be connected to the network...

Feasibility study on the design, manufacturing and economic potential of fibre reinforced polymer lattice structures for wind turbine towers

Cost is a design driver in any commercial business, and this is not different in the wind energy industry. The potential of cost savings on wind turbine towers through lightweight composite designs has been shown. However composite grid stiffened and lattice structures, which were shown to lead to significant weight reductions in aerospace...