Use of bamboo for constructing ecofriendly wind turbine
01 Aug 2017-
TL;DR: In this article, a wind turbine is made from bamboos and the blades are cut in required shape, and the gap between the two bambos may be filled with some filler material.
Abstract: In this invention the wind turbine is made from bamboo. Various types of bamboos are available. Hollow bamboo cut along the length may be used to form wind turbine blade. The gap between the two bamboos may be filled with some filler material. This prevents the air to pass between the two bamboos. The bamboo may be fixed with each other by using nails. Natural fibers may also be used as a binding material for bamboos. Suitable glue may also be used. The blades are cut in required shape. Wind turbine blades of horizontal axis as well as vertical axis may be made from the bamboos
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Book•
12 Dec 2014
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.
Abstract: 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 Quality DisturbancesElectric Power QualityMicrogrid Architectures, Control and Protection MethodsPower Quality IssuesComputing Algorithms with Applications in EngineeringICCCE 2020Renewable and Efficient Electric Power SystemsHandbook of Research on New Solutions and Technologies in Electrical Distribution NetworksGeomagnetic Disturbances Impacts on Power SystemsComputational Paradigm Techniques for Enhancing Electric Power QualityEmerging Trends in Electrical, Communications and Information TechnologiesPower Quality in Electrical SystemsElectric Power SystemsPower Quality in Modern Power SystemsPower System Protection in Smart Grid EnvironmentIntegration of Renewable Energy Sources with Smart Grid7th IEEE India International Conference on Power ElectronicsPower Electronics and Power QualityInstantaneous Power Theory and Applications to Power ConditioningElectrical Power Systems QualityHandbook on Battery Energy Storage SystemLoad Flow Optimization and Optimal Power FlowHandbook of Power QualityPower Quality in Power Systems and Electrical MachinesDistribution Reliability and Power QualityPower Quality Enhancement Using Custom Power DevicesPower System Harmonics Analysis, Effects and Mitigation Solutions for Power Quality ImprovementPower QualityBow Ties in Process Safety and Environmental ManagementPower System Control Under Cascading Failures
713 citations
Book•
07 Apr 2000
TL;DR: Power Quality Indices and Standards, Power Assessment Under Waveform Distortion, and Power Quality Monitoring: Evaluation of Power System Harmonic Distortion.
Abstract: Power Quality Indices and Standards. Power Assessment Under Waveform Distortion. Waveform Processing Techniques. Power Quality Monitoring. Evaluation of Power System Harmonic Distortion. Power Quality State Estimation. Appendices. Index.
391 citations
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.
Abstract: Grid connected wind turbines may produce flicker during continuous operation. This paper presents a simulation model of a MW-level variable speed wind turbine with a doubly fed induction generator developed in the simulation tool of PSCAD/EMTDC. Flicker emission of variable speed wind turbines with doubly fed induction generators is investigated during continuous operation, and the dependence of flicker emission on mean wind speed, wind turbulence intensity, short circuit capacity of grid and grid impedance angle are analyzed. A comparison is done with the fixed speed wind turbine, which leads to a conclusion that the factors mentioned above have different influences on flicker emission compared with that in the case of the fixed speed wind turbine. Flicker mitigation is realized by output reactive power control of the variable speed wind turbine with doubly fed induction generator. Simulation results show the wind turbine output reactive power control provides an effective means for flicker mitigation regardless of mean wind speed, turbulence intensity and short circuit capacity ratio.
257 citations
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.
Abstract: This paper presents an analysis and the modeling of the flicker emission of wind turbines. Measurements compared with international standards are discussed. The paper concentrates on the theoretical aspects of the flicker algorithm, wind turbine characteristics, and the generation of flicker during continuous operation of wind turbines.
204 citations
TL;DR: In this article, a PEC thermography inspection system for carbon fiber reinforced plastic (CFRP) materials is studied and optimized, and the authors show that PEC can be used for defect detection and characterization through analysis of the surface heating pattern and the transient temperature change.
Abstract: There is currently a requirement in many industries to inspect carbon fiber reinforced plastic (CFRP) components, such as those used in aircraft and for wind turbine blades to identify issues leading to potential failures. To detect surface cracks, pulsed eddy current (PEC) thermography is proposed as a powerful inspection technique, allowing the operator to observe the heating developed from the eddy current distribution in a structure using infrared imaging, detecting defects over a relatively wide area within a short time (of the order of milliseconds). In this paper, a PEC thermography inspection system for CFRP materials is studied and optimized. Using the system, the directional electrical conductivity of the CFRP material is observed through the surface heating pattern. Then, the normalized temperature rise and decay are investigated through the inspection of notches with varied depths and widths. The position invariance of the coil with respect to the notch along the fiber direction is also studied in the experiments. The work shows that PEC thermography can be used for defect detection and characterization through analysis of the surface heating pattern and the transient temperature change.
190 citations