Wind turbines
Evidence of late-summer mating readiness and early sexual maturation in migratory tree-roosting bats found dead at wind turbines.
... at wind turbines in North America, because such information can help inform conservation ...industrial-scale wind turbines to learn more about when they ...from wind energy facilities ...
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Role of multiaxial stress state in the hydrogen-assisted rolling-contact fatigue in bearings for wind turbines
... ffshore wind turbines often involve important engineering challenges [1], one of the most important being the improvement of hydrogen embrittlement resistance of the turbine bearings, a key issue in the ...
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A Simulation Platform To Model, Optimize And Design Wind Turbines. The Matlab/Simulink Toolbox
... systems. Wind energy conversion systems are for example such systems, containing subsystems with different ranges of the time constants: wind, turbine, generator, power electronics, transformer and ...
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Large Eddy Simulation of Wind Events Propagating through an Array of Wind Turbines
... of wind turbines. The wind turbines are modelled using a coupled simulation in which the FAST wind turbine sim- ulation code from NREL operates within a CFD ...The wind ...
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Wind turbines in icing conditions: performance and prediction
... The test site St. Brais in the Swiss Jura was set up in order to study the operation of wind turbines in icing conditions. First results are derived from observations during Novem- ber 2009 and March 2010. ...
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PERFORMANCE OF SMALL WIND TURBINES: SIMULATION OF ELECTRICITY SUPPLY TO LOADS CONNECTED TO THE PUBLIC OR ISOLATED GRID
... of wind turbines depends on several factors, including: the wind resource at the installation site, the equipment used, project acquisition and operational ...small wind turbines was ...
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Modulated Field Synchronous Generator for Wind Turbines
... the wind systems appeals to modern energy generation systems, as the synchronous generator with modulated field that offers at the output a voltage with constant frequency, in terms of important variations of the ...
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Series pid pitch controller of large wind turbines generator
... Random variation of the simulated wind speed acts on the blade pitch angle as presented in Fig. 9a. As a result the tower fore-aft deflection is obtained as in Fig. 9b. Smaller variation of the tower fore-aft ...
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Semi-autonomous Wind Blade Inspection by a RPAS
... It is possible to see that this solution requires several manual data, such as geographic position of the wind turbines, length of the blades and so on. A proposal that is made, is to incorporate on the ...
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The Explicit Wake Parametrisation V1.0: a wind farm parametrisation in the mesoscale model WRF
... the wind farm between the extracted momentum by the wind turbines and the com- pensating flux of momentum from ...the wind farm for the WRF-WF scheme, it seems that the extraction of mo- ...
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Analysis of injected apparent power and flicker in a distribution network after wind power plant connection
... a wind farm when wind turbines are connected to a radial distribution ...of wind turbines that can be connected in a ...connected wind turbines has been investigated using ...
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Blowing jets as a circulation flow control to enhancement the lift of wing or generated power of wind turbine
... The jet sheet remains attached along the curved surface due to the Coanda effect. The rear stagnation point location moves toward the lower airfoil surface, producing additional increase in circulation around the entire ...
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Wind Turbine Micrositing: Comparison of Finite Difference Method and Computational Fluid Dynamics
... of wind turbines the location of wind turbines in wind farm is ...of wind turbines are topographic effect and wind ...for wind farm is Gharo, Sindh, ...paper ...
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Potential climatic impacts and reliability of very large-scale wind farms
... utilization of this resource, there are however potential environmental impacts, and also problems arising from its inherent intermittency, in addition to the present need to lower unit costs. To explore some of these ...
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Parametric Study on a Horizontal Axis Wind Turbine Proposed for Water Pumping
... scale wind turbine. All wind turbines have some type of aerodynamic and/or electrical loading capability to prevent the wind turbine from going into ...
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Technical reconfiguration for optimal operation of integrated distributed system
... micro turbines (combustion turbines that run on high energy fossil fuels such as oil, propane, natural gas, gasoline or diesel), combustion gas turbines, fuel cells, solar photovoltaic’s, and ...
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Experimental and Numerical study of a Diffuser Augmented Wind Turbine - DAWT
... Day by day electricity becomes a decisive factor on the growth of economics and sustainable development. Thus, associated with the increasing need for electrical power, synergies with best practices should be established ...
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LARGE SCALE WIND CLIMATOLOGICAL EXAMINATIONS OF WIND ENERGY UTILIZATION
... of wind energy utilization in the European Union and many other countries has priority as fight against climate change has become a key issue of national energy ...free wind energy potential is used for ...
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Performance of a prototype micro wind turbine in the manmade wind field from air conditioner of buildings
... location, wind speed, wind availability, etc. However, the wind turbine power generation using the natural wind is normally highly unstable because the natural wind is unpredictable, ...
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Análise de estabilidade de sistemas de potência em presença de altos níveis de penetração...
... for wind farm based with DFIG with voltage control than the other case, because in the last one the 7 wind turbines with SCIGs are tripped out of the system and the active power generated, as well ...
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