1、Wind turbinesBS EN 61400-12-2:2013BS EN 61400-12-2:2013Incorporating corrigendum September 2016Part 12-2: Power performance of electricity-producing wind turbines based on nacelle anemometry(IEC 61400-12-2:2013)BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN
2、 STANDARDEN 61400-12-2NORME EUROPENNEEUROPISCHE NORMJuly 2013CENELECEuropean Committee for Electrotechnical StandardizationComit Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische NormungManagement Centre: Avenue Marnix 17, B - 1000 Brussels 2013 CENELEC - All rights o
3、f exploitation in any form and by any means reserved worldwide for CENELEC members.Ref. No. EN 61400-12-2:2013 EICS 27.180English versionWind turbines -Part 12-2: Power performance of electricity-producing wind turbines based on nacelle anemometry(IEC 61400-12-2:2013)Eoliennes -Partie 12-2: Performa
4、nce de puissance des oliennes de production dlectricit base sur lanmomtrie de nacelle(CEI 61400-12-2:2013)Windenergieanlagen -Teil 12-2: Messung des Leistungsverhaltens von Elektrizitt erzeugenden Windturbinen basierend auf Gondelanemometrie(IEC 61400-12-2:2013)This European Standard was approved by
5、 CENELEC on 2013-05-02. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which 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 sta
6、ndards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member.This 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 langua
7、ge and notified to the CEN-CENELEC Management Centre has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France,
8、 Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.BS EN 61400-12-2:2013BS EN 61400-12-2:2013 BRITISH STANDARDNational forewordThis
9、 British Standard is the UK implementation of EN 61400-12-2:2013. It is identical to IEC 61400-12-2:2013, incorporating corrigendum September 2016.The UK participation in its preparation was entrusted by Technical Committee PEL/88, Wind turbines.A list of organizations represented on this committee
10、can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2016. Published by BSI Standards Limited 2016ISBN 978 0 580 96028 4ICS 27.180Compl
11、iance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2013.Amendments/corrigenda issued since publicationDate Text affected31 October 2016 Implementation of IEC c
12、orrigendum September 2016. 3rd paragraph in D.4 updatedEUROPEAN STANDARDEN 61400-12-2NORME EUROPENNEEUROPISCHE NORMJuly 2013CENELECEuropean Committee for Electrotechnical StandardizationComit Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische NormungManagement Centre:
13、Avenue Marnix 17, B - 1000 Brussels 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.Ref. No. EN 61400-12-2:2013 EICS 27.180English versionWind turbines -Part 12-2: Power performance of electricity-producing wind turbines based on nacelle
14、anemometry(IEC 61400-12-2:2013)Eoliennes -Partie 12-2: Performance de puissance des oliennes de production dlectricit base sur lanmomtrie de nacelle(CEI 61400-12-2:2013)Windenergieanlagen -Teil 12-2: Messung des Leistungsverhaltens von Elektrizitt erzeugenden Windturbinen basierend auf Gondelanemome
15、trie(IEC 61400-12-2:2013)This European Standard was approved by CENELEC on 2013-05-02. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.Up-to-date li
16、sts and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translation u
17、nder 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 members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, E
18、stonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.BS EN 61400-12-2:
19、2013EN 61400-12-2:2013 - 2 -ForewordThe text of document 88/442/FDIS, future edition 1 of IEC 61400-12-2, prepared by IEC/TC 88 “Wind turbines“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61400-12-2:2013.The following dates are fixed: latest date by which the documen
20、t has to beimplemented at national level bypublication of an identical nationalstandard or by endorsement(dop) 2014-02-02 latest date by which the nationalstandards conflicting with thedocument have to be withdrawn(dow) 2016-05-02Attention is drawn to the possibility that some of the elements of thi
21、s document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights.Endorsement noticeThe text of the International Standard IEC 61400-12-2:2013 was approved by CENELEC as a European Standard without any modification.BS EN 61
22、400-12-2:2013- 3 - EN 61400-12-2:2013Annex ZA (normative)Normative references to international publicationswith their corresponding European publicationsThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated refe
23、rences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title E
24、N/HD YearIEC 60688+ A1 (mod)+ A2199219972001Electrical measuring transducers for converting a.c. electrical quantities to analogue or digital signalsEN 60688+ A1+ A2199219992001IEC 61400-12-1 2005 Wind turbines -Part 12-1: Power performance measurements of electricity producing wind turbinesEN 61400
25、-12-1 2006IEC 61869-2 - Instrument transformers -Part 2: Additional requirements for current transformersEN 61869-2 -IEC 61869-3 - Instrument transformers -Part 3: Additional requirements for inductive voltage transformersEN 61869-3 -ISO/IEC 17025 - General requirements for the competence of testing
26、 and calibration laboratoriesEN ISO/IEC 17025 -ISO/IEC Guide 98-3- Uncertainty of measurement -Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)- -ISO 2533 - Standard atmosphere - -BS EN 61400-12-2:2013EN 61400-12-2:2013 - 2 -ForewordThe text of document 88/442/FDIS, future ed
27、ition 1 of IEC 61400-12-2, prepared by IEC/TC 88 “Wind turbines“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61400-12-2:2013.The following dates are fixed: latest date by which the document has to beimplemented at national level bypublication of an identical national
28、standard or by endorsement(dop) 2014-02-02 latest date by which the nationalstandards conflicting with thedocument have to be withdrawn(dow) 2016-05-02Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be
29、 held responsible for identifying any or all such patent rights.Endorsement noticeThe text of the International Standard IEC 61400-12-2:2013 was approved by CENELEC as a European Standard without any modification.BS EN 61400-12-2:2013- 3 - EN 61400-12-2:2013Annex ZA (normative)Normative references t
30、o international publicationswith their corresponding European publicationsThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edit
31、ion of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD YearIEC 60688+ A1 (mod)+ A2199219972001Electrical measuring transducers fo
32、r converting a.c. electrical quantities to analogue or digital signalsEN 60688+ A1+ A2199219992001IEC 61400-12-1 2005 Wind turbines -Part 12-1: Power performance measurements of electricity producing wind turbinesEN 61400-12-1 2006IEC 61869-2 - Instrument transformers -Part 2: Additional requirement
33、s for current transformersEN 61869-2 -IEC 61869-3 - Instrument transformers -Part 3: Additional requirements for inductive voltage transformersEN 61869-3 -ISO/IEC 17025 - General requirements for the competence of testing and calibration laboratoriesEN ISO/IEC 17025 -ISO/IEC Guide 98-3- Uncertainty
34、of measurement -Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)- -ISO 2533 - Standard atmosphere - -BS EN 61400-12-2:2013 2 61400-12-2 IEC:2013 CONTENTS INTRODUCTION . 7 1 Scope . 8 2 Normative references . 8 3 Terms and definitions . 9 4 Symbols and units 13 5 Overview of t
35、est method . 16 6 Preparation for performance test 19 6.1 General . 19 6.2 Wind turbine 19 6.3 Test site 19 6.3.1 Terrain classification 20 6.3.2 RIX indices 20 6.3.3 Average slope . 21 6.3.4 Determine terrain class 21 6.3.5 Ridge formations . 22 6.4 Nacelle wind speed transfer function . 23 6.5 Tes
36、t plan . 23 7 Test equipment . 23 7.1 Electric power . 23 7.2 Wind speed . 24 7.3 Wind direction . 24 7.3.1 Nacelle yaw position sensor 24 7.3.2 Nacelle wind direction sensor 25 7.3.3 Wind direction . 25 7.4 Air density . 25 7.5 Rotor speed 26 7.6 Pitch angle 26 7.7 Wind turbine status . 26 7.8 Data
37、 acquisition. 26 8 Measurement procedure . 27 8.1 General . 27 8.2 Wind turbine operation 27 8.3 Data system(s) synchronisation . 27 8.4 Data collection 28 8.5 Data quality check . 28 8.6 Data rejection 29 8.7 Data correction 30 8.8 Database . 30 9 Derived results . 31 9.1 Data normalisation 31 9.1.
38、1 Density correction 31 9.2 Determination of measured power curve 32 9.3 Annual energy production (AEP) 32 9.4 Power coefficient . 33 9.5 Uncertainty analysis 34 BS EN 61400-12-2:201361400-12-2 IEC:2013 3 10 Reporting format . 34 Annex A (informative) Nacelle instrument mounting . 42 Annex B (normat
39、ive) Measurement sector procedure . 44 Annex C (normative) Nacelle wind speed transfer function validity procedure 49 Annex D (normative) Nacelle wind speed transfer function measurement procedure 51 Annex E (normative) Evaluation of uncertainty in measurement . 58 Annex F (normative) Theoretical ba
40、sis for determining the uncertainty of measurement using the method of bins . 62 Annex G (normative) NTF/NPC uncertainty estimates and calculation 70 Annex H (normative) Allowable anemometry instrument types . 83 Annex I (informative) Results and uncertainty considerations . 85 Annex J (informative)
41、 Example multi-turbine NTF/NPC uncertainty calculation . 90 Annex K (informative) Organisation of test, safety and communication . 98 Annex L (informative) NPC and NTF flowchart . 100 Figure 1 Procedural overview . 18 Figure 2 Presentation of example data: transfer function resulting from Annex D .
42、37 Figure 3 Presentation of example data: nacelle power performance test scatter plots 38 Figure 4 Presentation of example data: binned power curve with uncertainty bands . 38 Figure 5 Presentation of example data: measured power curve and Cpcurve 39 Figure A.1 Mounting of anemometer on top of nacel
43、le 43 Figure B.1 Sectors to exclude due to wakes of neighbouring and operating wind turbines and significant obstacles . 46 Figure B.2 Example of the result of a sector self-consistency check . 48 Figure D.1 Nacelle transfer function for wind speed . 56 Figure J.1 Impact of multiple turbine testing
44、on measurement uncertainty 97 Figure J.2 Impact of multiple turbine testing on sampling uncertainty . 97 Figure L.1 NPC flowchart . 100 Figure L.2 NTF flowchart 101 Table 1 Slope terrain classification 21 Table 2 RIX terrain classification 22 Table 3 Final terrain class 22 Table 4 Maximum ridge step
45、 effects on terrain class 22 Table 5 Example of a measured power curve . 40 Table 6 Example of estimated annual energy production 41 Table B.1 Obstacle requirements: relevance of obstacles 45 Table D.1 Example of presentation of a measured power curve based on data from the meteorological mast, for
46、consistency check 57 Table E.1 Uncertainty components in nacelle transfer function evaluation 59 Table E.2 Uncertainty components in nacelle power curve evaluation 60 Table E.3 Uncertainty components in nacelle based absolute wind direction 61 Table F.1 Example cancellation sources 64 Table F.2 List
47、 of category A and B uncertainties for NTF . 64 BS EN 61400-12-2:2013 2 61400-12-2 IEC:2013 CONTENTS INTRODUCTION . 7 1 Scope . 8 2 Normative references . 8 3 Terms and definitions . 9 4 Symbols and units 13 5 Overview of test method . 16 6 Preparation for performance test 19 6.1 General . 19 6.2 Wi
48、nd turbine 19 6.3 Test site 19 6.3.1 Terrain classification 20 6.3.2 RIX indices 20 6.3.3 Average slope . 21 6.3.4 Determine terrain class 21 6.3.5 Ridge formations . 22 6.4 Nacelle wind speed transfer function . 23 6.5 Test plan . 23 7 Test equipment . 23 7.1 Electric power . 23 7.2 Wind speed . 24
49、 7.3 Wind direction . 24 7.3.1 Nacelle yaw position sensor 24 7.3.2 Nacelle wind direction sensor 25 7.3.3 Wind direction . 25 7.4 Air density . 25 7.5 Rotor speed 26 7.6 Pitch angle 26 7.7 Wind turbine status . 26 7.8 Data acquisition. 26 8 Measurement procedure . 27 8.1 General . 27 8.2 Wind turbine operation 27 8.3 Data system(s) synchronisation . 27 8.4 Data collection 28 8.5 Data quality check . 28 8.6 Data rejection 29 8.7 Data correction 30 8.8 Database . 30 9 Derived results
