1、FORM CDV(IEC)2005-09-23 14/719/CDV COMMITTEE DRAFT FOR VOTE(CDV)PROJET DE COMIT POUR VOTE(CDV)Project number Numro de projet IEC 60076-14 Ed.1 IEC/TC or SC:CEI/CE ou SC:14 Secretariat/Secrtariat United Kingdom Submitted for parallel voting in CENELEC Soumis au vote parallle au CENELEC Date of circul
2、ation Date de diffusion 2012-04-20 Closing date for voting(Voting mandatory for P-members)Date de clture du vote(Vote obligatoire pour les membres(P)2012-09-21 Also of interest to the following committees Intresse galement les comits suivants-Supersedes document Remplace le document 14/685/CD&14/705
3、/CC Proposed horizontal standard Norme horizontale suggre Other TC/SCs are requested to indicate their interest,if any,in this CDV to the TC/SC secretary Les autres CE/SC sont requis dindiquer leur intrt,si ncessaire,dans ce CDV lintention du secrtaire du CE/SC Functions concerned Fonctions concerne
4、s Safety Scurit EMC CEM Environment Environnement Quality assurance Assurance qualit CE DOCUMENT EST TOUJOURS LTUDE ET SUSCEPTIBLE DE MODIFICATION.IL NE PEUT SERVIR DE RFRENCE.LES RCIPIENDAIRES DU PRSENT DOCUMENT SONT INVITS PRSENTER,AVEC LEURS OBSERVATIONS,LA NOTIFICATION DES DROITS DE PROPRIT DONT
5、 ILS AURAIENT VENTUELLEMENT CONNAISSANCE ET FOURNIR UNE DOCUMENTATION EXPLICATIVE.THIS DOCUMENT IS STILL UNDER STUDY AND SUBJECT TO CHANGE.IT SHOULD NOT BE USED FOR REFERENCE PURPOSES.RECIPIENTS OF THIS DOCUMENT ARE INVITED TO SUBMIT,WITH THEIR COMMENTS,NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF
6、WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION.Titre:Transformateurs de puissance Partie 14:Transformateurs de puissance immergs dans du liquide utilisant des matriaux disolation haute temprature Title:Power Transformers Part 14:Liquid-immersed power transformers using high-temperature
7、 insulation materials Note dintroduction-ATTENTION VOTE PARALLLE CEI CENELEC Lattention des Comits nationaux de la CEI,membres du CENELEC,est attire sur le fait que ce projet de comit pour vote(CDV)de Norme internationale est soumis au vote parallle.Les membres du CENELEC sont invits voter via le sy
8、stme de vote en ligne du CENELEC.ATTENTION IEC CENELEC PARALLEL VOTING The attention of IEC National Committees,members of CENELEC,is drawn to the fact that this Committee Draft for Vote(CDV)for an International Standard is submitted for parallel voting.The CENELEC members are invited to vote throug
9、h the CENELEC online voting system.Copyright 2012 International Electrotechnical Commission,IEC.All rights reserved.It is permitted to download this electronic file,to make a copy and to print out the content for the sole purpose of preparing National Committee positions.You may not copy or mirror t
10、he file or printed version of the document,or any part of it,for any other purpose without permission in writing from IEC.60076-14/Ed1/CDV IEC(E)1 CONTENTS 1 Scope.7 2 Normative references.7 3 Terms and definitions.8 4 Insulation systems.11 4.1 General.11 4.2 Winding insulation types.11 4.2.1 Genera
11、l.11 4.2.2 Summary of insulation system types.12 4.2.3 Hybrid winding types.13 4.2.4 High-temperature insulation winding.16 5 Temperature limits.17 5.1 General.17 5.2 Thermally upgraded paper(TUP).19 5.3 Cellulose used in ester liquid.19 6 Components and materials.19 6.1 General.19 6.2 Leads and cab
12、les.19 7 Special design considerations.20 7.1 Short-circuit considerations.20 7.2 Dielectric requirements.20 7.3 Temperature requirements.20 7.4 Overload.22 8 Required information.23 8.1 Information to be provided by the purchaser.23 8.1.1 Ambient temperatures and loading cycle.23 8.1.2 Other unusua
13、l service conditions.23 8.2 Information to be provided by the manufacturer.23 8.2.1 Thermal characteristics.23 8.2.2 Guarantees.23 9 Rating plate and additional information.24 9.1 Rating and warning plates.24 9.1.1 Rating plate.24 9.1.2 Warning plate.24 9.2 Transformer manual.24 10 Test requirements
14、.24 10.1 Routine,type and special tests.24 10.2 Dissolved gas analysis.24 10.3 OD cooled compact transformers.24 10.4 Evaluation of temperature-rise tests for windings with multiple hot-spots.25 10.5 Dielectric type tests.27 11 Supervision,diagnostics,and maintenance.27 11.1 Introduction.27 11.2 Tra
15、nsformers filled with mineral insulating oil.27 11.3 Transformers filled with high-temperature insulating liquids.27 Annex A(Informative)Insulation materials.28 2 60076-14/Ed1/CDV IEC(E)A.1 General.28 A.2 Ageing and lifetime of insulation materials.28 A.3 Solid insulation.31 A.4 Wire enamel insulati
16、on.33 A.5 Insulating liquids.33 Annex B(informative)Moisture and bubble generation.35 B.1 General.35 B.2 Basic assumption.35 B.3 Mathematical formulation of bubble generation.37 B.3.1 General.37 B.3.2 Example calculation for a transformer with cellulose-based insulation.40 B.3.3 Calculations for high-temperature insulation systems.41 Annex C(informative)Ester liquid and cellulose.43 C.1 General.43 C.2 Methodologies to assess insulation system ageing.43 C.3 Review of published research on ageing