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Energy conversion and conditioning technologies, power electronics, adjustable speed drives and their applications, power electronics for smarter grid, energy efficiency,technologies for sustainable energy systems, converters and power supplies
AMC2020 is the 16th in a series of biennial international workshops on Advanced Motion Control which aims to bring together researchers from both academia and industry and to promote omnipresent motion control technologies and applications.
IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.
The Annual IEEE PES General Meeting will bring together over 2900 attendees for technical sessions, administrative sessions, super sessions, poster sessions, student programs, awards ceremonies, committee meetings, tutorials and more
IECON is focusing on industrial and manufacturing theory and applications of electronics, controls, communications, instrumentation and computational intelligence.
Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission
Serves as a compendium for papers on the technological advances in control engineering and as an archival publication which will bridge the gap between theory and practice. Papers will highlight the latest knowledge, exploratory developments, and practical applications in all aspects of the technology needed to implement control systems from analysis and design through simulation and hardware.
Electrical insulation common to the design and construction of components and equipment for use in electric and electronic circuits and distribution systems at all frequencies.
Educational methods, technology, and programs; history of technology; impact of evolving research on education.
EMC standards; measurement technology; undesired sources; cable/grounding; filters/shielding; equipment EMC; systems EMC; antennas and propagation; spectrum utilization; electromagnetic pulses; lightning; radiation hazards; and Walsh functions
2011 International Conference on Consumer Electronics, Communications and Networks (CECNet), 2011
In this paper, the wind resources of twenty four regions of Inner Mongolia were assessed. The wind atlas was presented using the WAsP software based on the wind datas of twenty four regions in Inner Mongolia during 1998-2008, which were provided by the China meteorological date sharing service system. Using the Weibull probability density function of wind speed and Weibull ...
2010 International Conference on Optics, Photonics and Energy Engineering (OPEE), 2010
In order to most effectively utilize the wind energy and improve the efficiency of wind generation system, an optimum control strategy was proposed. Maximum wind energy capturing is one of the most important technology for improving the conversion efficiency of wind power generation system and achieving maximum power point tracking. Based on analysis of wind turbines operation characteristics, the principle ...
2011 IEEE Power and Energy Society General Meeting, 2011
Modeling of wind speed variation is an essential requirement in the estimation of wind energy potential for a typical site. In this paper, the average wind from April 2007 to March 2008 in Aimangala at central dry zone part of Karnataka, India have been statistically analyzed to determine wind energy potential for electrical power generation by grouping the seasonal observations. ...
2016 IEEE 7th International Symposium on Power Electronics for Distributed Generation Systems (PEDG), 2016
DC wind farm (DCWF) with series-connected DC wind turbines (DCWT) is proved to be a potential solution of offshore wind power collection. The coupling behavior of series-connected DCWTs is described in detail. Possible wind energy curtailment during the period of wind turbine voltage limitation and its key impact factors are firstly quantitatively derived. A decoupling control strategy is proposed under ...
2018 International Conference on Wind Energy and Applications in Algeria (ICWEAA), 2018
the aim of this work is to assess the wind potential in El-Bayadh region, located in the western part of Algerian highlands, using 12 years collected data. The statistical analysis at the measurement mast give the studied region with a significant wind potential, approved with an annual mean wind speed equal to 4.83 m/s and an annual mean power density ...
Winds of Change: Full Documentary
Winds of Change: Part 5 - Efficiency and Economics/Grid Infrastructure
Winds of Change: Part 4 - Public Policy
Winds of Change: Series Introduction and Overview
Winds of Change: Part 6 - Looking Ahead
Winds of Change: Part 3 - Wind Energy in Developing Countries
Winds of Change: Part 2 - Locating Wind Farms
NREL Wind Technology Center
Wind Power: The Technology
High Frequency Magnetic Circuit Design for Power Electronics
RoboThespian Invites You to Watch the IEEE Honors Ceremony
Life on 150 Watts with a nano-hydroelectric turbine
IMS 2015: Chris Walker - John Tucker Special Tribute - SuperCam: A 64 Pixel SIS Receiver Array for Submillimeter-wave Astronomy
The Full Spectrum: Wireless Power Roundup
Interview with Marcel J.M. Pelgrom - The Pelgrom Law: IEEE Gustav Robert Kirchhoff Award Recipient
A Nuclear Waste Repository Grows In Finland
Episode 1: Powering and protecting the Galapagos and teaching tiny robots
Renewable Power for Refugee Camps
Hyperdimensional Biosignal Processing: A Case Study for EMG-based Hand Gesture Recognition - Abbas Rahimi: 2016 International Conference on Rebooting Computing
In this paper, the wind resources of twenty four regions of Inner Mongolia were assessed. The wind atlas was presented using the WAsP software based on the wind datas of twenty four regions in Inner Mongolia during 1998-2008, which were provided by the China meteorological date sharing service system. Using the Weibull probability density function of wind speed and Weibull distribution function of output power of wind turbine, the extreme value of the two functions were obtained Furthermore, two formulas of the cut-in wind speed and rated wind speed were derived. Finally the cut-in wind speed and rated wind speed for six regions in Inner Mongolia under different wind resource condition were also calculated.
In order to most effectively utilize the wind energy and improve the efficiency of wind generation system, an optimum control strategy was proposed. Maximum wind energy capturing is one of the most important technology for improving the conversion efficiency of wind power generation system and achieving maximum power point tracking. Based on analysis of wind turbines operation characteristics, the principle and process of capture the maximum wind energy were analysed. Finally, its control strategy are confirmed by Simulation and come to a conclusion.
Modeling of wind speed variation is an essential requirement in the estimation of wind energy potential for a typical site. In this paper, the average wind from April 2007 to March 2008 in Aimangala at central dry zone part of Karnataka, India have been statistically analyzed to determine wind energy potential for electrical power generation by grouping the seasonal observations. We show that the wind speed distribution is represented by the typical two parameter weibull function for prediction of wind energy out put required for preliminary design and assessment of wind power plant. The shape and scale parameters of weibull function have been estimated seasonal basis to calculate the average wind speed and wind power density for the Aimangala station. The maximum power density was found to be 829.73 W/m<sup>2</sup> in monsoon season and the minimum power density was found to be 186.15 W/m<sup>2</sup> in winter season. The Weibull function using Weibull parameter estimated in this paper shown to provide more accurate prediction of average wind speed and average power density for the selected station. The seasonal variation of wind speed and wind density studied in this paper is useful to ensure optimum selection of wind turbine generator.
DC wind farm (DCWF) with series-connected DC wind turbines (DCWT) is proved to be a potential solution of offshore wind power collection. The coupling behavior of series-connected DCWTs is described in detail. Possible wind energy curtailment during the period of wind turbine voltage limitation and its key impact factors are firstly quantitatively derived. A decoupling control strategy is proposed under voltage limiting condition of the DCWT with energy storage system (ESS) to improve its wind energy capture. This control algorithm can be implemented in the local DCWT controller without the communication. Dynamic simulation cases under different operation conditions have been conducted to evaluate the effectiveness of the proposed control strategy. It is found that the proposed control strategy might be a solution for wind energy curtailment, which will significantly improve the performance of the series-connected DC wind turbines between the time scale above seconds and below minutes.
the aim of this work is to assess the wind potential in El-Bayadh region, located in the western part of Algerian highlands, using 12 years collected data. The statistical analysis at the measurement mast give the studied region with a significant wind potential, approved with an annual mean wind speed equal to 4.83 m/s and an annual mean power density of 133W/m2 at 10m over ground level. Regarding the temporal study, it was found that the studied site is windiest from February until March, while the night time is relatively calm. The use of WAsP software leads us to evaluate the distributions of mean wind speed over the region of El-Bayadh and to simulate the energy produced by a hypotheticals wind farms established in the two windiest areas in the region. The wind farm layout optimization using wind turbines of 2 MW rated capacity from Bonus manufacturer has allowed to maximize the simulated annual energy production and the full load hours for the two simulated wind farms. Finally, the economic analysis gives a cost per kWh less than 0.0142 US$ for both wind parks.
In order to ensure safety of wind turbines using non-grid-connected wind power and to reduce the occurrence of faults, as well as to improve the reliability of wind turbines, three different wind wheel unbalance faults are researched through theoretical analysis and experimental simulation in laboratory conditions. A wind turbine test rig has been established and a wind turbine condition monitoring has been developed. Three wind wheel unbalance faults are simulated on the test rig, and by analyzing the experimental results of power output and vibration characteristics in different conditions, the influence of wind wheel unbalance on power output and vibration characteristics is presented.
This work proposes to carry out a comparative study of wind pumping performances in two different zones characterized by their climatic differences. To achieve this goal, we must first quantify the energy potential of the wind in order to optimize the design of the wind pumping system, which consists of a whisper of 1KW. The available wind potential was evaluated using the OWC utility of the Atlas Wind Analysis and Application Program (WAsP software). The wind data used are measurements taken by a research team of the UDES during the whole year of 2016 for the site of bouismail and the data of ONM 2016 for Adrar. The tower height of the wind turbine is first optimized according to the height of the monomer and the pumping rate increases to meet the needs of a good irrigation field. A global modeling system, correlated to the available characteristic of each site, is carried out to estimate the flows taken from the hourly scales, the daily scales and the scales of the year. Finally, the results are compared and the recommendations given.
Reliable and precise information about the wind speed climate is crucial for the development of wind energy. Meteorological processes in the mesoscale (2 - 200 km) can be represented using Numerical Weather Prediction (NWP) models such as the Weather Research and Forecast model (WRF), but before their application for creating wind energy atlases, their results and sensitivity to modelling parameters should be investigated. Here the WRF model wind speed results for the year 2015 for the Baltic Sea region are investigated, and the effect of the planetary boundary layer parametrization scheme is analyzed.
Wind energy is a type of clean energy which Thailand generates it for 299.17 MW. However, its problems found in Thailand are unconstant wind blowing and not high wind blowing speed. In Chaiyaphum province, an average wind blowing speed is 5.77 m/s throughout the year. Regarding the electricity generating of the wind turbine operation, there is a slow direction finding of the wind turbine due to its big size. (2.5 MW electricity generating per wind turbine). This has effect on ineffective operation in electricity generating. Natural condition of the wind involves change in wind direction. The wind turbine generating electricity also turns based on wind direction (90o) for electricity generating. The wind turbine will stop electricity generating when the wind stops blowing. Also, the face of the wind turbine will stop based on the direction of the wind blowing through it in which it is inappropriate direction for electricity generating in the next round. The wind turbine has to waste the time in turning back to the normal wind direction (Turn around 180 degree take time 10 minutes). This study presents the determination of wind direction of the wind turbine by using standard deviation of direction signal from wind measuring equipment on the wind turbine. This study presented method results in the wind turbine to stop and waits for the wind in an appropriate position. Besides, it reduces the time of wind turbine turning to the wind direction. Also, it increases an opportunity for effective electricity generating.
Wind power production in Finland is increasing in near future. Most of the existing and planned wind farms are located in the costal and fell areas where the highest wind speeds occur. The purpose of the present paper is to investigate the inland wind conditions and wind power potential in South- Karelia, southeast Finland, based on wind speed measurements in three locations and several heights. The results show that South Karelia has potential for wind power production with high enough hub heights.
This standard is intended for use as a basis for performance and interchangeability of equipment covered, and to assist in the proper selection of such equipment. Safety precautions are also addressed. This standard covers certain electrical, dimensional, and mechanical characteristics, and takes into consideration certain safety features of current and inductively coupled voltage transformers of types generally used in the ...
This standard applies to surge protective devices designed for application on the low-voltage supply mains (1000 V rms and less, frequency between 48 and 62 Hz) and intended to be connected at locations between, and including, the secondary terminals of the distribution transformer and the line side of the service entrance panel. Such surge protective devices are also known as ...
Atmospheric Modeling Postdoctoral Research Staff Member
Lawrence Livermore National Laboratory
PhD position in modelling & control of switched power converters and power grids
Customer Service & Safety Specialist
Atmospheric Modeling - Postdoctoral Researcher
Lawrence Livermore National Laboratory