I.S. EN 61400-12:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
WIND TURBINE GENERATOR SYSTEMS - WIND TURBINES POWER PERFORMANCE TESTING
Hardcopy , PDF
18-07-2006
English
01-01-1999
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
INTRODUCTION
1 General
1.1 Scope
1.2 Normative references
1.3 Definitions
1.4 Symbols and units
1.5 Abbreviations
2 Test conditions
2.1 Wind turbine generator system
2.2 Test site
3 Test equipment
3.1 Electric power
3.2 Wind speed
3.3 Wind direction
3.4 Air density
3.5 Precipitation
3.6 Wind turbine generator system status
3.7 Data acquisition system
4 Measurement procedure
4.1 Introduction
4.2 Wind turbine generator system operation
4.3 Data collection
4.4 Data selection
4.5 Data correction
4.6 Database
5 Derived results
5.1 Data normalization
5.2 Determination of measured power curve
5.3 Annual energy production (AEP)
5.4 Power coefficient
6 Reporting format
Tables
1 Example of presentation of a measured power curve
2 Example of presentation of estimated annual energy
production
Figures
1 Requirements as to distance of the meteorological mast
and maximum allowed
2 Presentation of example data: power performance test
scatter plots
3 Presentation of example measured power curve
Annexes
A Assessment of test site
B Calibration of test site
C Evaluation of uncertainty in measurement
D Theoretical basis for dertermining the uncertainty of
measurement using the method of bins
E Bibliography
ZA Normative references to international publications with
their corresponding European publications
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