Proceedings ArticleDOI
Ice melting from wind turbine blades using resistive heating
Datta. S. Chavan,Bhupendra Singh Gadhwal,Jaywant Sankpal,Siddhharth,Vivek Sahil,Anupama Singh,Manish Kumar Dalal,Priyanka +7 more
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In this article, a super capacitor is used to give energy to the nichrome coil embedded in the wind turbine blade in order to remove the ice accumulated on the turbine blade.Abstract:
The paper is related to removal of the ice accumulated on the wind turbine blade the nichrome coil is embedded in the wind turbine when the wind turbine blade is being manufactured. In the invention a super capacitor is used to give energy to the nichrome coil embedded in the wind turbine blade. The pulses are given after every one minute to the nichrome coil in the season of snowfall. Due to this the turbine blade is heated due to resistance heating. The temperature of the turbine blade is increased. The ice is melted. Even if the lower layer of the ice is melted the remaining ice is slipped below due to gravitational force. For this one revolution of the turbine is made. Precaution us taken that no humans or animals are standing below and in close vicinity of the wind turbine when the turbine is I deicing is being done.read more
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Power Quality: Problems and Mitigation Techniques
TL;DR: Electrical Generation and Distribution Systems and Power Quality DisturbancesTerrorism and the Electric Power Delivery SystemPower Quality in Power Systems and Electrical MachinesAdvances in Electrical and Computer TechnologiesPower Quality Issues in Distributed GenerationPower QualityPower System HarmonicsUnderstanding Power Quality ProblemsPower Quality problems and Its Mitigation TechniquesPower Quality Problems and Mitigation Methods: Case Study at DBBFSignal Processing of Power QualitydisturbancesElectric Power QualityMicrogrid Architectures, Control and Protection MethodsPower Quality issues.
Journal ArticleDOI
Flicker study on variable speed wind turbines with doubly fed induction generators
Tao Sun,Zhe Chen,Frede Blaabjerg +2 more
TL;DR: In this article, a simulation model of a MW-level variable speed wind turbine with a doubly fed induction generator was developed in the simulation tool of PSCAD/EMTDC.
Journal ArticleDOI
Flicker Emission of Wind Turbines during Continuous Operation
TL;DR: In this article, an analysis and the modeling of the flicker emission of wind turbines is presented, where the theoretical aspects of flicker algorithm, wind turbine characteristics, and the generation of wind turbine flicker during continuous operation are discussed.
Journal ArticleDOI
Propagation of flicker in electric power networks due to wind energy conversions systems
TL;DR: In this article, a frequency domain method to study flicker propagation is presented, which is based on propagation of frequency components from WECS output currents throughout the grid, and an algorithm for flicker measurement in the frequency domain, which allows Pst calculation is proposed.
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.