IEC 61400-12-3 Ed. 1.0 b:2022

This part of IEC 61400 specifies a measurement and analysis procedure for deriving the wind
speed correction due to terrain effects and applies to the performance testing of wind turbines
of all types and sizes connected to the electrical power network as described in IEC 61400-12-1.
The procedure applies to the performance evaluation of specific wind turbines at specific
locations.