1、 INTERNATIONAL STANDARD IEC61400-12-1 First edition2005-12 Wind turbines Part 12-1:Power performance measurements of electricity producing wind turbines Reference number IEC 61400-12-1:2005(E)Licensed to/GAMESA ELICAANSI Store order#X232364 Downloaded:1/26/2006 2:56:12 AM ETSingle user license only.
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9、ectricity producing wind turbines IEC 2005 Copyright-all rights reserved No part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical
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11、SA ELICAANSI Store order#X232364 Downloaded:1/26/2006 2:56:12 AM ETSingle user license only.Copying and networking prohibited.2 61400-12-1 IEC:2005(E)CONTENTS FOREWORD.5 INTRODUCTION.7 1 Scope.8 2 Normative references.8 3 Terms and definitions.9 4 Symbols and units.11 5 Preparation for performance t
12、est.14 5.1 Wind turbine and electrical connection.14 5.2 Test site.14 6 Test equipment.16 6.1 Electric power.16 6.2 Wind speed.16 6.3 Wind direction.17 6.4 Air density.17 6.5 Rotational speed and pitch angle.17 6.6 Blade condition.17 6.7 Wind turbine control system.17 6.8 Data acquisition system.18
13、7 Measurement procedure.18 7.1 General.18 7.2 Wind turbine operation.18 7.3 Data collection.18 7.4 Data rejection.19 7.5 Data correction.19 7.6 Database.19 8 Derived results.20 8.1 Data normalization.20 8.2 Determination of the measured power curve.21 8.3 Annual energy production(AEP).21 8.4 Power c
14、oefficient.22 9 Reporting format.23 Annex A(normative)Assessment of obstacles at the test site.33 Annex B(normative)Assessment of terrain at the test site.36 Annex C(normative)Site calibration procedure.37 Annex D(normative)Evaluation of uncertainty in measurement.39 Annex E(informative)Theoretical
15、basis for determining the uncertainty of measurement using the method of bins.41 Annex G(normative)Mounting of instruments on the meteorological mast.66 Annex H(normative)Power performance testing of small wind turbines.74 Annex I(normative)Classification of anemometry.77 Annex J(informative)Assessm
16、ent of cup anemometry.79 Annex K(informative)In situ comparison of anemometers.88 Bibliography.90 Licensed to/GAMESA ELICAANSI Store order#X232364 Downloaded:1/26/2006 2:56:12 AM ETSingle user license only.Copying and networking prohibited.61400-12-1 IEC:2005(E)3 Figure 1 Requirements as to distance of the meteorological mast and maximum allowed measurement sectors.15 Figure 2 Presentation of example database A and B:power performance test scatter plots sampled at 1 Hz(mean values averaged over
