1、 IEC/TR 62725 Edition 1.0 2013-03 TECHNICAL REPORT Analysis of quantification methodologies for greenhouse gas emissions for electrical and electronic products and systems IEC/TR 62725:2013(E)colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-2
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9、tion or need further assistance,please contact the Customer Service Centre:csciec.ch.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC/TR 62725 Edi
10、tion 1.0 2013-03 TECHNICAL REPORT Analysis of quantification methodologies for greenhouse gas emissions for electrical and electronic products and systems INTERNATIONAL ELECTROTECHNICAL COMMISSION XB ICS 13.020.30;19.040 PRICE CODE ISBN 978-2-83220-690-4 Registered trademark of the International Ele
11、ctrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncont
12、rolled when printed.2 TR 62725 IEC:2013(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative reference.7 3 Terms and definitions.7 4 Principles.11 General.11 4.1 Life Cycle Thinking(LCT).11 4.2 Relevance.11 4.3 Completeness.12 4.4 Consistency.12 4.5 Accuracy.12 4.6 Transparency.12 4.75 Compara
13、tive study on the existing relevant documents.12 6 Quantification framework.13 General.13 6.1 Provisions in CFP and LCA standards.13 6.1.1 Electrotechnical industry guidance for basic steps of CFP study.14 6.1.2 Goal and scope definition.15 6.2 Provisions in CFP and LCA standards.15 6.2.1 Electrotec
14、hnical industry guidance.15 6.2.2 Unit of analysis.16 6.3 Provisions in CFP and LCA standards.16 6.3.1 Electrotechnical industry guidance.17 6.3.2 System boundary.18 6.4 General.18 6.4.1 Life cycle stage and process map.20 6.4.2 Attributional and consequential approaches.25 6.4.3 Time boundary.26 6.
15、4.4 Specific GHG sources and sinks.27 6.4.5 Cut-off criteria.28 6.4.6 Trial estimation and decision on boundary to be cut-off.30 6.5 Electrotechnical industry guidance.30 6.5.1 Data collection and quality assessment.31 6.6 General.31 6.6.1 Primary data.34 6.6.2 Secondary data.34 6.6.3 Data quality.3
16、5 6.6.4 Calculating GHG emissions.36 6.7 General.36 6.7.1 Allocation.38 6.7.2 Uncertainty.39 6.8 Provisions in CFP and LCA standards.39 6.8.1 Electrotechnical industry guidance.40 6.8.2 Use and maintenance scenario.41 6.9 Provisions in CFP and LCA standards.41 6.9.1Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.TR 62725 IEC:2013(E)3 Electrote
