EN 61400-12-1:2017
(Main)Wind energy generation systems - Part 12-1: Power performance measurement of electricity producing wind turbines
Wind energy generation systems - Part 12-1: Power performance measurement of electricity producing wind turbines
NEW!IEC 61400-12-1:2017 is available as IEC 61400-12-1:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61400-12-1:2017 specifies a procedure for measuring the power performance characteristics of a single wind turbine and applies to the testing of wind turbines of all types and sizes connected to the electrical power network. In addition, this standard describes a procedure to be used to determine the power performance characteristics of small wind turbines (as defined in IEC 61400-2) when connected to either the electric power network or a battery bank. The procedure can be used for performance evaluation of specific wind turbines at specific locations, but equally the methodology can be used to make generic comparisons between different wind turbine models or different wind turbine settings when site-specific conditions and data filtering influences are taken into account. This new edition includes the following significant technical changes with respect to the previous edition: new definition of wind speed, inclusion of wind shear and wind veer, revision of air density correction, revision of site calibration, revision to definition of power curve, interpolation to bin centre method, revision of obstacle model, etc. Key words: Wind turbines, Wind energy, renewable energy, performance, efficiency
Windenergieanlagen - Teil 12-1: Messung des Leistungsverhaltens von Windenergieanlagen
Systèmes de génération d'énergie éolienne - Partie 12-1: Mesures de performance de puissance des éoliennes de production d'électricité
NEW!IEC 61400-12-1:2017 est disponible sous forme de IEC 61400-12-1:2017 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.L'IEC 61400-12-1:2017 spécifie une procédure de mesure des caractéristiques de performance de puissance d'une éolienne simple et s'applique aux essais d'éoliennes raccordées au réseau électrique de tous types et de toutes tailles. En outre, la présente norme décrit une procédure qui doit être utilisée pour déterminer les caractéristiques de performance de puissance des petites éoliennes (définies dans l'IEC 61400-2) raccordées soit au réseau électrique, soit à un banc de batteries. La procédure peut être utilisée pour évaluer la performance d'éoliennes spécifiques sur des sites spécifiques, mais la méthodologie peut également être utilisée pour procéder à des comparaisons génériques entre différents modèles d'éoliennes ou différents réglages d'éoliennes lorsque les influences des conditions spécifiques au site et du filtrage de données sont étudiées. Cette nouvelle édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: nouvelle définition de la vitesse du vent; inclusion du cisaillement du vent et de la déviation de la trajectoire du vent; correction de la masse volumique de l'air; révision de l'étalonnage du site; révision de la définition de la courbe de puissance; interpolation de la méthode utilisant le centre de la tranche; révision du modèle d'obstacle; etc. Mots clé: éoliennes, énergi renouvelable, performance, efficacité
Vetrne turbine - 12-1. del: Preskušanje zmogljivosti vetrnih turbin za proizvodnjo električne energije (IEC 61400-12-1:2017)
Ta del standarda IEC 61400 določa postopek za merjenje elektroenergetskih zmogljivosti posamezne vetrne turbine in se uporablja za preskušanje turbin vseh vrst in velikosti, ki so priključene na električno omrežje. Poleg tega ta standard opisuje postopek, ki se uporablja za določanje elektroenergetske zmogljivosti majhnih vetrnih turbin (kot določa standard IEC 61400-2), kadar so priključene na električno omrežje ali akumulatorje. Postopek se lahko uporabi za vrednotenje zmogljivosti določenih vetrnih turbin na določenih lokacijah, vendar se lahko metodologija prav tako uporabi za splošne primerjave med različnimi modeli ali nastavitvami vetrnih turbin., kadar se upoštevajo pogoji glede na lokacijo in vplivi filtriranja podatkov.
Elektroenergetsko zmogljivost vetrnih turbin določata izmerjena krivulja električne energije in ocenjena letna proizvodnja energije (AEP). Izmerjena krivulja električne energije, opredeljena kor razmerje med hitrostjo vetra in izhodno močjo vetrne turbine, se določi z zbiranjem istočasnih meritev meteoroloških spremenljivk (vključno s hitrostjo vetra) in signalov vetrne turbine (vključno z izhodno močjo) na mestu preskušanja v obdobju, ki je dovolj dolgo, da se ustvari statistično pomembna zbirka podatkov pri različnih hitrostih vetra in pri različnih vetrnih in atmosferskih pogojih. AEP se izračuna z uporabo izmerjene krivulje električne energije pri referenčnih porazdelitvah frekvence hitrosti vetra, pri čemer se predvideva 100-odstotna razpoložljivost.
Ta dokument opisuje merilno metodologijo, pri kateri je treba vrednosti izmerjene krivulje električne energije in pridobljene proizvodnje energije nadomestiti z oceno virov netočnosti in njihovimi skupnimi vplivi.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-september-2017
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Wind power generation systems - Part 12-1: Power performance measurement of
electricity producing wind turbines (IEC 61400-12-1:2017)
Windenergieanlagen - Teil 12-1: Messung des Leistungsverhaltens einer
Windenergieanlage (IEC 61400-12-1:2017)
Systèmes de génération d'énergie éoliennes - Partie 12-1: Mesures de performance de
puissance des éoliennes de production d'électricité (IEC 61400-12-1:2017)
Ta slovenski standard je istoveten z: EN 61400-12-1:2017
ICS:
27.180 Vetrne elektrarne Wind turbine energy systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 61400-12-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
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)
Systèmes de génération d'énergie éolienne - Partie 12-1: Windenergieanlagen - Teil 12-1: Messung des
Mesures de performance de puissance des éoliennes de Leistungsverhaltens einer Windenergieanlage
production d'électricité (IEC 61400-12-1:2017)
(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 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.
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 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, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management 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
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:
(dop) 2018-01-07
• latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2020-04-07
• latest date by which the national
standards conflicting with the
document have to be withdrawn
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. 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 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.
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 and 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 (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 EN 60688 2013
converting A.C. and D.C. electrical
quantities to analogue or digital signals
IEC 61400-12-2 2013 Wind turbines -- Part 12-2: Power EN 61400-12-2 2013
performance of electricity producing wind
turbines based on nacelle anemometry
IEC 61869-1 (mod) 2007 Instrument transformers -- Part 1: General EN 61869-1 2009
requirements
IEC 61869-2 2012 Instrument transformers -- Part 2: Additional EN 61869-2 2012
requirements for current transformers
IEC 61869-3 2011 Instrument transformers -- Part 3: Additional EN 61869-3 2011
requirements for inductive voltage
transformers
ISO 2533 1975 Standard Atmosphere - -
ISO 3966 2008 Measurement of fluid flow in closed - -
conduits_- Velocity area method using Pitot
static tubes
ISO/IEC 17025 2005 General requirements for the competence of EN ISO/IEC 17025 2005
testing and calibration laboratories
ISO/IEC 17043 2010 Conformity assessment - General EN ISO/IEC 17043 2010
requirements for proficiency testing
ISO/IEC Guide 98-3 2008 Uncertainty of measurement - Part 3: Guide - -
to the expression of uncertainty in
measurement (GUM:1995)
IEC 61400-12-1 ®
Edition 2.0 2017-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Wind energy generation systems –
Part 12-1: Power performance measurements of electricity producing wind
turbines
Systèmes de génération d'énergie éolienne –
Partie 12-1: Mesures de performance de puissance des éoliennes de production
d'électricité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 27.180 ISBN 978-2-8322-3823-3
– 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
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 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 . 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 condition . 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 for 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
IEC 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 . 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 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
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