CEI EN 61400-12-2 : 2013

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Overview of test method
6 Preparation for performance test
7 Test equipment
8 Measurement procedure
9 Derived results
10 Reporting format
Annex A (informative) - Nacelle instrument mounting
Annex B (normative) - Measurement sector procedure
Annex C (normative) - Nacelle wind speed transfer
        function validity procedure
Annex D (normative) - Nacelle wind speed transfer
        function measurement procedure
Annex E (normative) - Evaluation of uncertainty in
        measurement
Annex F (normative) - Theoretical basis for determining
        the uncertainty of measurement
        using the method of bins
Annex G (normative) - NTF/NPC uncertainty estimates
        and calculation
Annex H (normative) - Allowable anemometry instrument types
Annex I (informative) - Results and uncertainty considerations
Annex J (informative) - Example multi-turbine NTF/NPC
        uncertainty calculation
Annex K (informative) - Organisation of test, safety and
        communication
Annex L (informative) - NPC and NTF flowchart
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Describes a procedure for verifying the power performance characteristics of a single electricity-producing, horizontal axis wind turbine, which is not considered to be a small wind turbine per IEC 61400-2.