IEC_IEEE_62271-37-082-2012.pdf

IEC/IEEE 62271-37-082 Edition 1.0 2012-10 INTERNATIONAL STANDARD High-voltage switchgear and controlgear Part 37-082:Standard practice for the measurement of sound pressure levels on alternating current circuit-breakers IEC/IEEE 62271-37-082:2012(E)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2012 IEC,Geneva,Switzerland Copyright 2012 IEEE All rights reserved.Unless otherwise specified,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 being secured.Requests for permission to reproduce should be addressed to either IEC at the address below or IECs member National Committee in the country of the requester or from IEEE.IEC Central Office Institute of Electrical and Electronics Engineers,Inc.3,rue de Varemb 3 Park Avenue CH-1211 Geneva 20 New York,NY 10016-5997 Switzerland United States of America Tel.:+41 22 919 02 11 stds.iprieee.org Fax:+41 22 919 03 00 www.ieee.org infoiec.ch www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About the IEEE IEEE is the worlds largest professional association dedicated to advancing technological innovation and excellence for the benefit of humanity.IEEE and its members inspire a global community through its highly cited publications,conferences,technology standards,and professional and educational activities.About IEC/IEEE publications The technical content of IEC/IEEE publications is kept under constant review by the IEC and IEEE.Please make sure that you have the latest edition,a corrigendum or an amendment might have been published.Useful links:IEC publications search-www.iec.ch/searchpub The advanced search enables you to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEEE products and services-www.ieee.org/go/shop IEEE publishes nearly a third of the worlds technical literature in electrical engineering,computer science,and electronics.Browse the latest publications including standards,draft standards,standards collections,and much more.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.Available on-line and also once a month by email.Electropedia-www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 30 000 terms and definitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary(IEV)on-line.Customer Service Centre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centre:csciec.ch.IEC/IEEE 62271-37-082 Edition 1.0 2012-10 INTERNATIONAL STANDARD High-voltage switchgear and controlgear Part 37-082:Standard practice for the measurement of sound pressure levels on alternating current circuit-breakers INTERNATIONAL ELECTROTECHNICAL COMMISSION R ICS 29.130.10 PRICE CODE ISBN 978-2-83220-406-1 Warning!Make sure that you obtained this publication from an authorized distributor.2 62271-37-082 IEC/IEEE:2012(E)CONTENTS FOREWORD.4 1 Scope.6 2 Terms and definitions.6 3 Acoustical environment.9 Ambient noise.9 3.1 Wind conditions.9 3.2 Air condition.9 3.3 Local topography.9 3.44 Instrumentation.10 Sound level meter.10 4.1 General.10 4.1.1 Preferred sound level meter.10 4.1.2 Peak and time average.10 4.1.3 Calibration capability.10 4.2 Supplemental instrumentation.10 4.35 Type test methods.10 General test requirements.10 5.1 General.10 5.1.1 Sound pressure level measurements.10 5.1.2 No load conditions.11 5.1.3 Impulse noise measurement.11 5.1.4 Location of microphone.11 5.1.5 Orientation of microphone.11 5.1.6 Near-field measurements.11 5.2 Type of noise measurements.11 5.2.1 Near field measurement with fully opened doors.12 5.2.2 Near field measurement with fully closed doors.12 5.2.3 Far-field measurements.12 5.3 Type of noise measurements.12 5.3.1 Far field measurement.13 5.3.2 Equivalent data.14 5.3.3 Data.14 5.4 General.14 5.4.1 Circuit-breaker being tested.14 5.4.2 Environment.15 5.4.3 Instrumentation.15 5.4.4 Acoustical data.15 5.4.5 Miscellaneous.15 5.4.6 Report.15 5.5 Completeness of the report.15 5.5.1 Conversion.15 5.5.26 Field test methods.17 General.17 6.1 Wind conditions.17 6.2 Circuit-breaker operating conditions.17 6.3 Operating conditions.17 6.3.162271-37-082 IEC/IEEE:2012(E)3 Specific conditions.17 6.3.2 Measurements.17 6.3.3 Microphone locations.17 6.47 Measurements to be taken.18 Limitation of the measurement.18 7.1 Measurement of impulsive noise.18 7.2 Data and report.18 7.3Bibliography.19 Figure 1 Location of measurement points with resp