FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Power performance method overview
6 Preparation for performance test
7 Test equipment
8 Measurement procedure
9 Derived results
10 Reporting format
Annex A (normative) - Assessment of influences
caused by wind turbines and obstacles at the
test site
Annex B (normative) - Assessment of terrain at
the test site
Annex C (normative) - Site calibration procedure
Annex D (normative) - Evaluation of uncertainty
in measurement
Annex E (informative) - Theoretical basis for
determining the uncertainty of measurement
using the method of bins
Annex F (normative) - Wind tunnel calibration
procedure for anemometers
Annex G (normative) - Mounting of instruments
on the meteorological mast
Annex H (normative) - Power performance testing
of small wind turbines
Annex I (normative) - Classification of cup and
sonic anemometry
Annex J (normative) - Assessment of cup and sonic
anemometry
Annex K (normative) - In-situ comparison of
anemometers
Annex L (normative) - The application of remote
sensing technology
Annex M (informative) - Normalisation of power
curve data according to the turbulence
intensity
Annex N (informative) - Wind tunnel calibration
procedure for wind direction sensors
Annex O (informative) - Power performance testing
in cold climate
Annex P (informative) - Wind shear normalisation
procedure
Annex Q (informative) - Definition of the rotor
equivalent wind speed under consideration
of wind veer
Annex R (informative) - Uncertainty considerations
for tests on multiple turbines
Annex S (informative) - Mast flow distortion correction
for lattice masts
Bibliography