Proceedings ArticleDOI
Ice extraction from wind turbine using flow of hot air through blade
Datta. S. Chavan,Shubham Kumar Mishra,Rahul Yadav,Anupama Singh,Jaywant Sankpal,Himanshu,Siddhharth +6 more
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In this paper, the ice accumulated on the wind turbine blade is removed by passing hot air through the blade, the ice melts and falls down, and the process of deicing is fast.Abstract:
In this paper high the ice accumulated on the wind turbine blade is removed by passing hot air through the blade. The hollow tubes are embedded in the wind turbine blades. The hollow tubes may be circular on cross section or of any suitable shape. The air is heated by an electrical heating or by gas geyser. First the air is compressed with help of a compressor. Then that air is passed through the electric heater or gas heater. The hot air is then passed through the wind turbine blade. When the hot air is passed through the wind turbine blade, the ice melts and falls down. Hot air is passed through the wind turbine blade after frequent intervals of time when the environmental conditions are favorable for icing. The process of deicing is fast.read more
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Journal ArticleDOI
Author Correction: Smart low interfacial toughness coatings for on-demand de-icing without melting
TL;DR: In this article , the authors presented a smart, hybrid (passive and active) de-icing system through the combination of a low interfacial toughness coating, printed circuit board heaters, and an ice-detecting microwave sensor.
References
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Journal ArticleDOI
Validation of the Standard Method for Assessing Flicker From Wind Turbines
Braulio Barahona,Poul Ejnar Sørensen,L. Christensen,Troels Sørensen,H.K. Nielsen,Xiaoli Guo Larsén +5 more
TL;DR: In this article, the validity of the standard method in IEC 61400-21 for assessing the flicker emission from multiple wind turbines was investigated, which is based on the data from two wind farms, one with fixed-speed wind turbines and one with variable speed wind turbines.
Power quality of wind turbines and their interaction with the grid
G. Gerdes,F. Santjer +1 more
TL;DR: In this article, the authors present examples of the measurements according to the guideline and show the grid interactions occurring during the operation of different wind turbines and how they possibly could be diminished.
Proceedings ArticleDOI
Effect of vertical wind shear on flicker in wind farm
TL;DR: In this paper, a new parameter vertical wind shear is also considered while computing the flicker emission severity and experimental results are of a turbine installed at Village Nimgaon Mhalungi, Tal. Shirur, District Pune, India.
Journal ArticleDOI
Wavelet-Based Signal Processing Method for Detecting Ice Accretion on Wind Turbines
TL;DR: In this article, a multiresolution analysis (MRA) was used to extract frequency components present in the electric currents flowing out of an electric generator driven by a wind turbine.
Proceedings ArticleDOI
Development and testing of wavelet packet transform-based detector for ice accretion on wind turbines
Saleh A. Saleh,Cecilia Moloney +1 more
TL;DR: Simulation results show that the proposed method can detect ice accumulation, related vibrations and electromagnetic torque pulsations independent from any pre-defined geometry.