wind resource assessment Articles
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Prospects of wind energy in India
This paper is a modest attempt to study the growth and performance of wind farms in India. India occupies the 5th place in the world in wind energy generation after Germany, the USA, Denmark and Spain, and has an installed capacity of more than 2485 MW of wind energy, comprising both commercial projects (2418 MW) and demonstration projects (65.415 MW) as of 31 March 2004. This paper discusses the ...
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Vortex identification for the study of atmospheric flow: a new vortex criterion applied to wind resource assessment
Vortex identification is a non-consensual point of discussion among fluid mechanics researchers. Classical criteria such as Q and delta are hereby confronted with a new definition. A pertinent task for wind power project development studies is the post-processing analysis of the wind resource simulations in order to improve the project design. There is a large interest in extracting more ...
By VIE Brazil
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Vortex identification in wind resource assessment: Application of a new vortex criterion for an improved wind resource analysis
A pertinent task during wind power project development studies is the post-processing analysis of the wind resource simulation results. There is widespread interest in extracting more information from typical commercial software – like WindSim, OpenWind, Meteodyn, WAsP – at a minimal cost during the prospection and/or the development stage of some wind power project. The current paper ...
By VIE Brazil
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What is the Impact of Seabed Conditions?
Eirik Byklum, Statoil, has commented that: “developers have learnt the hard way that poor conditions on the sea bed can have a very negative impact – they are much more aware of this and its cost implications” How important are seabed conditions for your offshore wind business? Alongside distance to shore, water depth, and wind conditions, seabed consistency has a major ...
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How to Keep Your SymphoniePRO Data Secure
Data matters. The accuracy, consistency, and yes, safety of measurement data keep many wind developers and analysts up at night. Customers often ask about the digital and physical security of RNRG instruments, so I sat down with Michael Fisher, product manager for our wind resource assessment (WRA) line, to get answers to the most common questions. Q: Why is data security important? Michael: ...
By NRG Systems
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Using Lidar for WRA Campaigns: Your Questions Answered (Part I)
In the course of conversations with wind developers new to Lidar technology, a number of questions seem to come up regularly. In this and future blog posts, I will attempt to answer these questions in some detail to benefit others who might be pondering them as well. Two very practical questions have to do with how WINDCUBE® Lidars might affect overall wind resource assessment (WRA) campaign ...
By NRG Systems
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Measuring Offshore Wind Resources
To select the right offshore wind site, estimate the future energy output of a wind farm, and determine the best layout for the turbines, project developers must conduct wind resource assessment (WRA) campaigns on site. This is a critical phase of the successful development of wind farms. WRA campaigns on terrestrial sites have traditionally been performed using meteorological towers equipped ...
By NRG Systems
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Benchmarking platforms: why more knowledge means more leverage
Greater plant owner demand for high speed computing and benchmarking data analysis platforms will cause rapid development of power upgrade packages and create a basis for further OEM innovation. High speed computing is making a major difference in wind data analysis. Today, major advances in time series and spatial analysis as well as the wake models used to estimate losses are possible because ...
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Wind Energy Production Estimates: Moving Beyond Time Averages
No need to be a statistician to see that averages are often useful to compare different things. And yet, they often fall short as a true measure of performance. For instance, we use averages to compare the current weather against the climate normals or to get a sense of how our favorite sport team or player is doing. Team (player) statistics are a concise way of combining the scores from many ...
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Offshore wind costs and development risk
How procurement strategies, manufacturing costs and new technology stack up against development risk in Offshore Wind Projects. Offshore wind is changing, and it is changing for the better. In 2006, offshore wind deployment costs started rising significantly, from £1.5m/ MW, in 2016 prices, to over £4m/MW in 2012, without a clear indication as to what the price ceiling would be. ...
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Analysis of vertical wind shear in the Southern Great Plains and potential impacts on estimation of wind energy production
This paper describes the analysis of near-surface wind speeds in Western Oklahoma. The goals of this research are to characterise the nocturnal low-level jet (LLJ) in the region, and to assess the impact wind variability, vertical shear and the LLJ on wind energy calculations. Results show the seasonal variability in wind characteristics as well as in the vertical wind shear, and also illustrate ...
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