WAT help pages

• Introduction
• Background
• Version history
• References
• IEC 61400-1 windfarm assessment
• Extreme wind
• Flow inclination
• Wind shear
• Turbulence intensity
• Wind-speed distribution
• Complex terrain
• Complex terrain indicator
• Turbulence in large wind farms
• Turbulence modelling
• IEC61400-1 turbulence model
• Fatigue damage
• Effective turbulence intensity
• Conditional wind rose
• wake turbulence
• Matching IEC and WEng turbulence
• Wake turbulence
• Measured turbulence
• Array management
• Energy production with array management
• IEC 61400-12-1 site assessment for power performance measurements
• Introduction
• Annex A - Assessment of obstacles
• Annex B - Assessment of terrain
• Working with WAT
• Preparations
• User interface
• Menu
• Site list
• Main plot
• Tabels and additional plots
• Specifying turbine classification
• Editing shut-down rules
• Editing reference mast postion
• Obstacle assessment for power-performance measurements
• Editing measurement sectors
• Terrain assessment for power-performance measurements
• Options
• Include wake effect
• Variable Exposure Angle
• Apply directional wind distribution
• Add IEC wind-speed dependence on turbulence intensity
• Apply measured thrust coefficient
• Add standard deviation after wake calculus
• Include wake deflection
• Apply directional turbulence distribution
• Apply Wohler exponent for directional averaging
• Large windfarm turbulence enhancement
• Complex terrain turbulence enhancement
• Include effect of ten-minute averaging
• Include correction for ten-minute window
• Array thining
• Frequently asked questions
• Which Wöhler coefficient to use in WAT?
• Measured turbulence intensities in WAT?
• How does the omnidirectional 50-year extreme wind relate to sector-wise extreme winds?
• Alternative extreme-wind models?
• Alternative fitting methods for the extreme-wind model?
• Extreme winds of tropic cyclones?
• Map good enough for WENG calculations?
• Map good enough for WAT calculations?