1、Wind power generation systems Part 12-1: Power performance measurement of electricity producing wind turbines (IEC 61400-12-1:2017) BS EN 61400-12-1:2017 BSI Standards Publication WB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61400-12-1
2、 June 2017 ICS 27.180 Supersedes EN 61400-12-1:2006 English Version Wind power generation systems - Part 12-1: Power performance measurement of electricity producing wind turbines (IEC 61400-12-1:2017) Systmes de gnration dnergie olienne - Partie 12-1: Mesures de performance de puissance des olienne
3、s de production dlectricit (IEC 61400-12-1:2017) Windenergieanlagen - Teil 12-1: Messung des Leistungsverhaltens einer Windenergieanlage (IEC 61400-12-1:2017) This European Standard was approved by CENELEC on 2017-04-07. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations w
4、hich stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. T
5、his European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CE
6、NELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Nether
7、lands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Manage
8、ment Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 61400-12-1:2017 E National foreword This British Standard is the UK implementation of EN 61400-12-1:2017. It is identical to IEC 614
9、00-12-1:2017. It supersedes BS EN 61400-12-1:2006, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PEL/88, Wind turbines. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purp
10、ort to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017 ISBN 978 0 580 79865 8 ICS 27.180 Compliance with a British Standard cannot confer immunity from legal obligati
11、ons. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2017. Amendments/corrigenda issued since publication Date Text affected BRITISH STANDARD BS EN 61400121:2017 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61400-12-1 June 201
12、7 ICS 27.180 Supersedes EN 61400-12-1:2006 English Version Wind power generation systems - Part 12-1: Power performance measurement of electricity producing wind turbines (IEC 61400-12-1:2017) Systmes de gnration dnergie olienne - Partie 12-1: Mesures de performance de puissance des oliennes de prod
13、uction dlectricit (IEC 61400-12-1:2017) Windenergieanlagen - Teil 12-1: Messung des Leistungsverhaltens einer Windenergieanlage (IEC 61400-12-1:2017) This European Standard was approved by CENELEC on 2017-04-07. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stip
14、ulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This Europ
15、ean Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC mem
16、bers are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, No
17、rway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Cent
18、re: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 61400-12-1:2017 E BS EN 61400121:2017EN 61400-12-1:2017 2 European foreword The text of document 88/610/FDIS, future edition 2 of IEC 61400-1
19、2-1, prepared by IEC TC 88 “Wind turbines“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61400-12- 1:2017. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by en
20、dorsement (dop) 2018-01-07 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-04-07 This document supersedes EN 61400-12-1:2006. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights
21、. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 61400-12-1:2017 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes
22、 have to be added for the standards indicated: IEC 61400-1:2005 NOTE Harmonized as EN 61400-1:2005. IEC 61400-1:2005/AMD1:2010 NOTE Harmonized as EN 61400-1:2005/A1:2010. IEC 61400-2:2013 NOTE Harmonized as EN 61400-2:2013. IEC 61400-12-2 NOTE Harmonized as EN 61400-12-2. BS EN 61400121:2017EN 61400
23、-12-1:2017 2 European foreword The text of document 88/610/FDIS, future edition 2 of IEC 61400-12-1, prepared by IEC TC 88 “Wind turbines“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61400-12- 1:2017. The following dates are fixed: latest date by which the document h
24、as to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2018-01-07 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-04-07 This document supersedes EN 61400-12-1:2006. Attention is drawn t
25、o the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 61400-12-1:2017 was approved by CENELEC as a European S
26、tandard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 61400-1:2005 NOTE Harmonized as EN 61400-1:2005. IEC 61400-1:2005/AMD1:2010 NOTE Harmonized as EN 61400-1:2005/A1:2010. IEC 61400-2:2013 NOTE Harmonized
27、as EN 61400-2:2013. IEC 61400-12-2 NOTE Harmonized as EN 61400-12-2. EN 61400-12-1:2017 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document a
28、nd are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (
29、mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60688 2012 Electrical measuring transducers for converting A.C. and D.C. electrical quantitie
30、s to analogue or digital signals EN 60688 2013 IEC 61400-12-2 2013 Wind turbines - Part 12-2: Power performance of electricity producing wind turbines based on nacelle anemometry EN 61400-12-2 2013 IEC 61869-1 (mod) 2007 Instrument transformers - Part 1: General requirements EN 61869-1 2009 IEC 6186
31、9-2 2012 Instrument transformers - Part 2: Additional requirements for current transformers EN 61869-2 2012 IEC 61869-3 2011 Instrument transformers - Part 3: Additional requirements for inductive voltage transformers EN 61869-3 2011 ISO 2533 1975 Standard Atmosphere - - ISO 3966 2008 Measurement of
32、 fluid flow in closed conduits_- Velocity area method using Pitot static tubes - - ISO/IEC 17025 2005 General requirements for the competence of testing and calibration laboratories EN ISO/IEC 17025 2005 ISO/IEC 17043 2010 Conformity assessment - General requirements for proficiency testing EN ISO/I
33、EC 17043 2010 ISO/IEC Guide 98-3 2008 Uncertainty of measurement - Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) - - BS EN 61400121:2017This page deliberately left blank 2 IEC 61400-12-1:2017 IEC 2017 CONTENTS FOREWORD . 13 INTRODUCTION . 15 1 Scope 16 2 Normative referenc
34、es 16 3 Terms and definitions 17 4 Symbols and units . 20 5 Power performance method overview 23 6 Preparation for performance test . 27 6.1 General . 27 6.2 Wind turbine and electrical connection 27 6.3 Test site 27 6.3.1 General . 27 6.3.2 Location of the wind measurement equipment . 27 6.3.3 Meas
35、urement sector 28 6.3.4 Correction factors and uncertainty due to flow distortion originating from topography 28 7 Test equipment 29 7.1 Electric power . 29 7.2 Wind speed . 29 7.2.1 General . 29 7.2.2 General requirements for meteorological mast mounted anemometers 30 7.2.3 Top-mounted anemometers
36、. 31 7.2.4 Side-mounted anemometers 31 7.2.5 Remote sensing device (RSD) . 31 7.2.6 Rotor equivalent wind speed measurement 32 7.2.7 Hub height wind speed measurement 32 7.2.8 Wind shear measurements 32 7.3 Wind direction . 34 7.4 Air density. 34 7.5 Rotational speed and pitch angle 35 7.6 Blade con
37、dition . 35 7.7 Wind turbine control system 35 7.8 Data acquisition system 35 8 Measurement procedure 35 8.1 General . 35 8.2 Wind turbine operation 35 8.3 Data collection 36 8.4 Data rejection . 36 8.5 Database 37 9 Derived results 37 9.1 Data normalisation 37 9.1.1 General . 37 9.1.2 Correction fo
38、r meteorological mast flow distortion of side-mounted anemometer 38 9.1.3 Wind shear correction (when REWS measurements available) 38 9.1.4 Wind veer correction 41 2 IEC 61400-12-1:2017 IEC 2017 CONTENTS FOREWORD . 13 INTRODUCTION . 15 1 Scope 16 2 Normative references 16 3 Terms and definitions 17
39、4 Symbols and units . 20 5 Power performance method overview 23 6 Preparation for performance test . 27 6.1 General . 27 6.2 Wind turbine and electrical connection 27 6.3 Test site 27 6.3.1 General . 27 6.3.2 Location of the wind measurement equipment . 27 6.3.3 Measurement sector 28 6.3.4 Correctio
40、n factors and uncertainty due to flow distortion originating from topography 28 7 Test equipment 29 7.1 Electric power . 29 7.2 Wind speed . 29 7.2.1 General . 29 7.2.2 General requirements for meteorological mast mounted anemometers 30 7.2.3 Top-mounted anemometers . 31 7.2.4 Side-mounted anemomete
41、rs 31 7.2.5 Remote sensing device (RSD) . 31 7.2.6 Rotor equivalent wind speed measurement 32 7.2.7 Hub height wind speed measurement 32 7.2.8 Wind shear measurements 32 7.3 Wind direction . 34 7.4 Air density. 34 7.5 Rotational speed and pitch angle 35 7.6 Blade condition . 35 7.7 Wind turbine cont
42、rol system 35 7.8 Data acquisition system 35 8 Measurement procedure 35 8.1 General . 35 8.2 Wind turbine operation 35 8.3 Data collection 36 8.4 Data rejection . 36 8.5 Database 37 9 Derived results 37 9.1 Data normalisation 37 9.1.1 General . 37 9.1.2 Correction for meteorological mast flow distor
43、tion of side-mounted anemometer 38 9.1.3 Wind shear correction (when REWS measurements available) 38 9.1.4 Wind veer correction 41 BS EN 61400121:2017IEC 61400-12-1:2017 IEC 2017 3 9.1.5 Air density normalisation 41 9.1.6 Turbulence normalisation . 42 9.2 Determination of the measured power curve .
44、42 9.3 Annual energy production (AEP) 43 9.4 Power coefficient 45 10 Reporting format 45 Annex A (normative) Assessment of influences caused by wind turbines and obstacles at the test site . 52 A.1 General . 52 A.2 Requirements regarding neighbouring and operating wind turbines . 52 A.3 Requirements
45、 regarding obstacles 53 A.4 Method for calculation of sectors to exclude 53 A.5 Special requirements for extended obstacles 57 Annex B (normative) Assessment of terrain at the test site 58 Annex C (normative) Site calibration procedure . 61 C.1 General . 61 C.2 Overview of the procedure 61 C.3 Test
46、set-up . 63 C.3.1 Considerations for selection of the test wind turbine and location of the meteorological mast. 63 C.3.2 Instrumentation 65 C.4 Data acquisition and rejection criteria . 65 C.5 Analysis 66 C.5.1 Assessment of site shear conditions 66 C.5.2 Method 1: Bins of wind direction and wind s
47、hear 68 C.5.3 Method 2: Linear regression method where shear is not a significant influence 69 C.5.4 Additional calculations . 69 C.6 Site calibration uncertainty 70 C.6.1 Site calibration category A uncertainty . 70 C.6.2 Site calibration category B uncertainty . 72 C.6.3 Combined uncertainty 72 C.
48、7 Quality checks and additional uncertainties . 72 C.7.1 Convergence check . 72 C.7.2 Correlation check for linear regression (see C.5.3) 73 C.7.3 Change in correction between adjacent wind direction bins . 73 C.7.4 Removal of the wind direction sensor between site calibration and power performance
49、test . 73 C.7.5 Site calibration and power performance measurements in different seasons . 74 C.8 Verification of results 75 C.9 Site calibration examples 76 C.9.1 Example A . 76 C.9.2 Example B . 81 C.9.3 Example C . 88 Annex D (normative) Evaluation of uncertainty in measurement . 91 Annex E (informative) Theoretical basis for determining the uncertainty of measurement using the method of bins . 94 E.1 General . 94 BS EN 61400121:2017IEC 61400-12-1:2017 IEC 2017 3 9.1.5 Air density normalisation 41 9.1.6
