Version history

Version v1.3

General issues

• Better performance of window resize and graphical interface
• New wind turbine models have been added
• New modules with specific licencing conditions have been included
• Definition of new object: TARGET POINTS MAP

Data loading, graphing and analysis

• Manual flagging has been added on scatter plot and fitting module
• Faster representation of flags when zooming in and out
• Some errors when flagging and filtering have been fixed
• Availability if now calculated taking into account the time length of a time filter
• Calculate year divisions with 1,2,3,4,6,12 (only these accepted)
• All year divisions now in the program are conventional
• Correct flag performance when slider in time series/annual profile is greater than 4 days
• Filter table: adjust columnsize to show long flag names. Font size
• A new graphic tab called Spectrum has been added
• Give alert messages when .xls or .nc files cannot be loaded or there is not enough memory
• Launch error if .sws loading fails
• Read .xls file with some specific header and other possible similar files
• Read Nomad 1 files and nomad headers
• Cancelling .xls, .xlsx and .nc files when opening
• Cancelling .sws files when opening
• Zoom in and out. Alternative without mouse using keystrokes
• Export time series (changes dat and time)
• Include CFSR reanalysis at Download data module
• When multiple flags for one data, ask before removing which one should be removed
• Include Vref calculation due to hurricanes
• Correct application of time filters on availability calculation on Data Coverage tab and other modules
• Calculation of estimated boundary layer height in atmospheric stability module
• Possibility of reading .nc4 files
• On energy production module, power curve and monthly results are added. Losses can be added. Warnings
• New module of temperature losses has been developed
• Slider now works properly when two datasets with different time steps are compared
• The remove all flags options now works properly

Wind resource

• Interpreting roughness length from different land cover codes such as GLOBCOVER through a codification file
• Correction of turbulence intensity calculation using MULTITAB on the energy yield report
• Roughness raster layer can be created from the program
• Apply multimast in .rsf

Energy yield and micrositing

• Bathymetry maps can now be loaded into the program
• It is possible to load .shp files in vector layer creation
• Update of wind turbines names on reports
• Implementation of FUROWAKE, a new module for wakes calculation
• FUROWAKE calculates coupling the near wake with the far wake without iterations
• FUROWAKE allows calculating wind speed at wake effects for several heights
• Implementation of noise analysis module
• Implementation of financial analysis module
• Use of target points to calculate the noise at those points

Version v1.2

General issues

• Better performance of window resize and graphical interface
• It is now possible to move objects in the tree within the same wind data and properties are arranged accordingly
• Deletion of objects has been improved
• New wind turbine models have been added
• Improved Copy/Paste functions on tables

Data loading, graphing and analysis

• Manual flagging has been added on time series tab
• Manual flagging has been added on diurnal profile, annual profile, histogram, versus plot and cummulative distribution
• Manual flagging can be applied to multiple channels at the same time
• New flags can be created while doing manual flagging
• Manual flagging allows removing flagged data
• Faster representation of flags when zooming in and out
• On the representation tabs, a "Show flag marks" checkbox has been added to visualize or not flagged instants
• All flag objects are correctly removed when data are removed or flag elements are removed
• User can assign a color to any flag
• Decimals when sensor heights are read are now implemented correctly
• Some errors on merge graphs have been fixed
• Some corrections habe been made on the use of "Conventional months"
• Modifications on the legend size
• Wind roses are now represented with decimals
• Cursor representation changed
• A new module for downloading Reanalysis data has been included (models include MERRA, MERRA-2 and ERA-I). Interpolation for any coordinate is possible
• A new button to clear the last rule in the flags module has been added
• Extrapolated wind speed is now differentiated according to the type of fitting performed
• Derive variable correction for wind direction calculation
• Derived variables can be created using flags
• Add filters table at data generation modules
• Possibility of applying slope and offset on different time steps and time ranges
• REWS can be now calculated using measurements and linear interpolation on REWS module
• MCP improvements: include R2 for each sector, shows number of samples, include ranking of references, clarify method used to select best mast and select common period for ranking procedure
• In availability dialogue the selection of typical year based on better months has been included as well as the possibility of exporting time series (with initial date defined by user)
• Possibility of extrapolating temperature with height using gradients by hour, month and direction and their combinations
• Pressure can be now estimated based on terrain elevation in order to calculate air density
• An estimation of flow inclination losses has been added on inflow angle
• Possibility of rescaling data when performing extreme winds analysis to calculate Vref on 10 minute basis when being in another time step

Wind resource

• Calculation of discrete wind resource objects (.rsf) based on wind turbine positions
• Possibility of calculating wind resource maps for clima objects representing mesoscale or reanalysis information
• Calculation of wind resource using several clima objects
• Clima object faster representation when it contains many sectors
• Interpreting roughness length from different land cover codes such as CORINE or NLCD through a codification file
• Possibility of exporting all clima object files at once
• Contribution of slopes to acceleration factors is now limited to 1 instead of 0.5

Energy yield and micrositing

• Wake effects module provides wind speed and power of each individual wind turbine
• Near wake model has been included to simulate wind field of the near wake. Matching with far wake models has been implemented
• Graphical representation and editing of WSM strategies
• Unlimitted number of iterations to run wake models calculations
• Autoplace option to create N turbines randomly distributed has been added
• In Jensen model, the relationship between the wake decay constant and turbulence intensity applies only for values of turbulence greater than 0.07 (instead of 0.05)
• In Bastankhak & Porté-Agel model, the relationship between the growth rate constant and turbulence intensity applies only for values of turbulence greater than 0.07 (instead of 0.05)
• Sensitivity factor in uncertainty calculations is now done re-scaling the CLIMA object instead of using Weibulls

Version v1.1

General issues

• Better performance of window resize and graphical interface
• Deletion of objects have been improved
• New options for preferences have been included
• New wind turbine models have been added
• Change titles format and names
• Update of properties for some tree objects

Data loading, graphing and analysis

• Improvements on representations when dealing with wind directions in all Graphic tabs
• Better arrangement of graphs on the Graphic tab when there are multiple divisions
• General bug fixes and improvements on all Graphic tabs
• Possibility of canceling file opening
• Increased capabilities for data loading including new data loggers
• Possibility of reading raw data files from new SODAR and LIDAR devices
• Possibility of reading raw data files from new mesoscale and reanalysis models identifying some properties
• Some new .xls and .xlsx formats are now loaded
• Warnings are issued when the programa cannot read some files or when there is not enough memory to handle them
• It is now possible to open files with different time steps in the same project and manage them simultaneously
• When a mast with different time step is deleted, the internal data matrix is readapted with the remaining time step
• Data coverages calculated accordingly when time steps are different
• Availability channels can be generated when time steps are different taking into account this difference
• Availability channels act as linked nodes and updates when flagging or filtering the channel they are associated with
• Availability channels have a channel statistic of "Coverage"
• Improvements of data appending for several types of files
• Update of the plotting order when several variables are selected
• Added setting for boxplot percentiles calculation
• Update of the flags window, including "Time flags"
• Some preferences when loading data have been included
• Corrections to "Derive new variable" module
• Included "Rotor equivalent wind speed" module
• When using "Best fit" for wind speed extrapolations, if highest level is not available, validation is performed on next level
• Possibility of performing MCP analysis using masts with different time step
• MCP is now possible with averages or with spot values
• Possibility of performing MCP analysis using more than one reference mast creating a ranking through correlation coefficient
• Scatter plot and fittings can be performed on several time steps, using either averages or concurrent spot measurements
• Wind shear module now provides values of alpha or roughness length depending on sector, hour of day and month and their combinations
• Vref can be calculated at any return period, and not only to 50 years
• Uncertainty values for Vref calculation is provided together with Vref values
• Some corrections when exporting wind data to .txt, .xls or .xlsx have been implemented

Wind resource

• Make corrections of wind flow model to include another parameterization of wind profile for forests taking into account forest density
• Rearrange the whole clima object to have a more complete one which loads channels data, files and user defined values
• Remove limitation of clima object in the number of sectors (64) and allow calculations up to 360 sectors
• Correction of Error "Not Enough memory in Wind Resource Calculation" when available RAM memory is not enough to perform calculations
• Modifications "Relocate time series" with the new clima object, including air density
• Compute in parallel program, thread: Calculate Wind Resource
• Compute in parallel program, thread: Calculate Extreme Wind
• Compute in parallel program, thread: Calculate Wind Validation Map
• Compute in parallel program, thread: Calculate Weibull parameters
• Compute in parallel program, thread: Calculate Processing of wind resource for more sectors

Energy yield and micrositing

• Implementation of new wake model: Bastankhah & Porté-Agel
• Improvements on Wake Effects module: corrections of implementation of wake models, possibility of changing wake model options, view wake effects for any height
• Possibility of calculating Energy Yield with a clima object with a number of sectors different than those of the wind resource grid object
• Correction of Ideal Yield to be the same for all wind turbines at the same hub height
• Added new options for energy yield calculations such as the new wake distance and other parameters
• Proposed correction for Filter F on Simplified Eddy Viscosity and Eddy Viscosity methods
• Possibility of calculating Effective wind speed
• Possibility of calculate iteratively incident wind speed (up to 5 iterations)
• Compute in parallel program, thread: Calculate Energy Yield
• Frequencies adaptation of unavailability to calculate effective turbulence intensity
• Frequencies adaptation of unavailability to hours distribution
• Move interactively the wind turbines and possibility of modifying the entire wind farm
• Some corrections on Site compliance report
• Possibility of analyzing wind speed distributions and effective turbulence intensity taking into account operation and idling hours
• Export polygon and wind farm coordinates  to files
• Export visible layers to .xyz and/or .kml files
• Unify "Create vector layer" dialogue, where it is possible to set priorities and include different vector layers
• Modifications on Site distortion roses

Version v1.0

• Initial version