3
Hugh
Outhred: Wind Energy in the Australian National Electricity Market
Relevant
characteristics of wind energy
§Wind
energy density:
–A stochastic variable with properties that vary continuously
in 3-dimensional space
–Turbulence
spectrum:
§Maximum
period ~30 minutes
§Spatially
correlated to a radius of ~20km
–Weather
spectrum (including diurnal behaviour):
§Period
range of ~30 minutes to ~ 1 week
§Spatially
correlated to a radius of 100’s of km
–Seasonal
& climatic spectrum:
§Longer
term behaviour