1、 INTERNATIONAL STANDARD IECCEI NORME INTERNATIONALE60034-9Edition 4.12007-07 Rotating electrical machines Part 9:Noise limits Machines lectriques tournantes Partie 9:Limites de bruit Reference number Numro de rfrence IEC/CEI 60034-9:2003+A1:2007 Edition 4:2003 consolidated with amendment 1:2007 Edit
2、ion 4:2003 consolide par lamendement 1:2007 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this pu
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14、ur cette publication ou si vous avez des questions,visitez le FAQ du Service clients ou contactez-nous:Email:csciec.ch Tl.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONAL STANDARD IEC
15、CEI NORME INTERNATIONALE 60034-9Edition 4.12007-07 Rotating electrical machines Part 9:Noise limits Machines lectriques tournantes Partie 9:Limites de bruit Commission Electrotechnique InternationaleInternational Electrotechnical Commission For price,see current cataloguePour prix,voir catalogue en
16、vigueur CC PRICE CODE CODE PRIX Edition 4:2003 consolidated with amendment 1:2007 Edition 4:2003 consolide par lamendement 1:2007 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60034-9 IEC:2003+A1:2007 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Terms and definitions.7 4 Methods of measurement.8 5 Test conditions.8 5.1 Machine mounting.8 5.1.1 Precautions.8 5.1.2 Resilient mounting.8 5.1.3 Rigid mount
