Rotating electrical machines - Part 18-32: Functional evaluation of insulation systems (Type II) - Electrical endurance qualification procedures for form-wound windings

This part of IEC 60034-18 describes qualification procedures for the evaluation of electrical endurance of insulation systems for use in rotating electrical machines using form-wound windings. The test procedures are comparative in nature, such that the performance of a candidate insulation system is compared to that of a reference insulation system with proven service experience. If no reference system is available, the diagram in Annex A is available for use. The qualification procedures of inverter duty insulation system for form-wound windings can be found in IEC 60034-18-42 or IEC 60034-18-41.

Drehende elektrische Maschinen - Teil 18-32: Funktionelle Bewertung von Isoliersystemen (Typ II) - Elektrische Lebensdauer-Qualifizierungsverfahren für Wicklungen mit vorgeformten Wicklungselementen

Machines électriques tournantes - Partie 18-32: Evaluation fonctionnelle des systèmes d'isolation (Type II) - Procédures de qualification de l'endurance électrique pour enroulements préformés

IEC 60034-18-32:2022 décrit les procédures de qualification pour l'évaluation de l'endurance électrique des systèmes d'isolation utilisés dans les machines électriques tournantes à enroulements préformés sous tension sinusoïdale à la fréquence d'alimentation. Les procédures d'essai pour l'isolation principale sont comparatives, puisque les performances d'un système d'isolation candidat sont comparées à celles d'un système d'isolation de référence dont l'expérience en service a été démontrée. Si aucun système de référence n'est disponible, l'Annexe A décrit un diagramme utilisable. Les procédures de qualification d'un système d'isolation d'onduleur pour enroulements préformés peuvent être consultées dans l'IEC 60034‑18-42 ou l'IEC 60034-18-41. Une nouvelle procédure d'essai informative pour systèmes de contrôle de contrainte est introduite et définie à l'Annexe B. Cette deuxième édition annule et remplace la première édition parue en 2010. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: a. modification du titre; b. simplification des articles; c. diminution du nombre de procédures d'essai; d. inclusion de barres et bobines complètes comme éprouvettes; e. ajout d'un article qui traite des défaillances et des critères de défaillance.

Električni rotacijski stroji - 18-32. del: Funkcionalno vrednotenje izolacijskih sistemov (tip II) - Električno vrednotenje postopkov kvalificiranja za predhodno oblikovana navitja (IEC 60034-18-32:2022)

Ta del standarda IEC 60034-18 opisuje postopke kvalificiranja za vrednotenje električne vzdržljivosti izolacijskih sistemov za uporabo pri električnih rotacijskih strojih, ki uporabljajo predhodno oblikovana navitja. Preskusni postopki so primerjalne narave, in sicer se delovanje primernega izolacijskega sistema primerja z delovanjem referenčnega izolacijskega sistema z dokazanimi izkušnjami pri uporabi. Če referenčni sistem ni na voljo, se lahko uporabi shema iz dodatka A. Postopki kvalificiranja za izolacijski sistem pretvornika za predhodno oblikovana navitja so navedeni v standardu IEC 60034-18-42 ali IEC 60034-18-41.

General Information

Status
Published
Publication Date
03-Mar-2022
Technical Committee
Drafting Committee
Current Stage
6060 - Document made available - Publishing
Start Date
04-Mar-2022
Completion Date
04-Mar-2022

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SLOVENSKI STANDARD
01-julij-2022
Nadomešča:
SIST EN 60034-18-32:2011
Električni rotacijski stroji - 18-32. del: Funkcionalno vrednotenje izolacijskih
sistemov (tip II) - Električno vrednotenje postopkov kvalificiranja za predhodno
oblikovana navitja (IEC 60034-18-32:2022)
Rotating electrical machines - Part 18-32: Functional evaluation of insulation systems
(Type II) - Electrical endurance qualification procedures for form-wound windings
(IEC 60034-18-32:2022)
Drehende elektrische Maschinen - Teil 18-32: Funktionelle Bewertung von
Isoliersystemen - Prüfverfahren für Wicklungen mit vorgeformten Elementen - Bewertung
der elektrischen Lebensdauer (IEC 60034-18-32:2022)
Machines électriques tournantes - Partie 18-32: Evaluation fonctionnelle des systèmes
d'isolation - Procédures d'essai pour enroulements préformés - Evaluation par
endurance électrique (IEC 60034-18-32:2022)
Ta slovenski standard je istoveten z: EN IEC 60034-18-32:2022
ICS:
29.080.30 Izolacijski sistemi Insulation systems
29.160.01 Rotacijski stroji na splošno Rotating machinery in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60034-18-32

NORME EUROPÉENNE
EUROPÄISCHE NORM March 2022
ICS 29.160.01 Supersedes EN 60034-18-32:2010
English Version
Rotating electrical machines - Part 18-32: Functional evaluation
of insulation systems (Type II) - Electrical endurance
qualification procedures for form-wound windings
(IEC 60034-18-32:2022)
Machines électriques tournantes - Partie 18-32: Evaluation Drehende elektrische Maschinen - Teil 18-32: Funktionelle
fonctionnelle des systèmes d'isolation (Type II) - Bewertung von Isoliersystemen - Elektrische Lebensdauer
Procédures de qualification de l'endurance électrique pour Qualifizierungsverfahren für Wicklungen mit vorgeformten
enroulements préformés Elementen
(IEC 60034-18-32:2022) (IEC 60034-18-32:2022)
This European Standard was approved by CENELEC on 2022-03-01. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60034-18-32:2022 E

European foreword
The text of document 2/2068/FDIS, future edition 2 of IEC 60034-18-32, prepared by IEC/TC 2
"Rotating machinery" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC
as EN IEC 60034-18-32:2022.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2022-12-01
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2025-03-01
document have to be withdrawn
This document supersedes EN 60034-18-32:2010 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60034-18-32:2022 was approved by CENELEC as a
European Standard without any modification.
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the
relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60034-1 - Rotating electrical machines - Part 1: EN 60034-1 -
Rating and performance
IEC 60034-15 2009 Rotating electrical machines - Part 15: EN 60034-15 2009
Impulse voltage withstand levels of form-
wound stator coils for rotating a.c.
machines
IEC 60034-18-1 2010 Rotating electrical machines - Part 18-1: EN 60034-18-1 2010
Functional evaluation of insulation
systems - General guidelines
IEC/TS 60034-18-33 2010 Rotating electrical machines - Part 18-33: CLC/TS 60034-18-33 2011
Functional evaluation of insulation
systems - Test procedures for form-wound
windings - Multifactor evaluation by
endurance under simultaneous thermal
and electrical stresses
IEC 60034-18-41 - Rotating electrical machines - Part 18-41: EN 60034-18-41 -
Partial discharge free electrical insulation
systems (Type I) used in rotating electrical
machines fed from voltage converters -
Qualification and quality control tests
IEC 60034-18-42 2017 Rotating electrical machines - Part 18-42: EN 60034-18-42 2017
Partial discharge resistant electrical
insulation systems (Type II) used in
rotating electrical machines fed from
voltage converters - Qualification tests
+ A1 2020  + A1 2020
IEC 60034-27-1 - Rotating electrical machines - Part 27-1: EN IEC 60034-27-1 -
Off-line partial discharge measurements
on the winding insulation
Under preparation. Stage at the time of publication: FprEN 60034-1 and FprEN 60034-1/prAA.
IEC 60034-27-3 - Rotating electrical machines - Part 27-3: EN 60034-27-3 -
Dielectric dissipation factor measurement
on stator winding insulation of rotating
electrical machines
IEC 60216-4-1 - Electrical insulating materials - Thermal EN 60216-4-1 -
endurance properties - Part 4-1: Ageing
ovens - Single-chamber ovens
IEC 62539 - Guide for the statistical analysis of - -
electrical insulation breakdown data

IEC 60034-18-32 ®
Edition 2.0 2022-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Rotating electrical machines –

Part 18-32: Functional evaluation of insulation systems (Type II) –

Electrical endurance qualification procedures for form-wound windings

Machines électriques tournantes –

Partie 18-32: Evaluation fonctionnelle des systèmes d'isolation (Type II) –

Procédures de qualification de l'endurance électrique pour enroulements

préformés
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.160.01 ISBN 978-2-8322-1047-8

– 2 – IEC 60034-18-32:2022 © IEC 2022
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 General considerations . 9
4.1 Relationship to IEC 60034-18-1 . 9
4.2 Selection and designation of test procedures . 9
4.3 Reference insulation system . 9
4.4 Test procedures . 9
4.4.1 General . 9
4.4.2 Electrical ageing of the mainwall insulation . 9
4.4.3 Electrical ageing of the stress control system . 10
4.4.4 Electrical ageing of the turn insulation . 10
4.5 Extent of tests . 10
4.5.1 Full evaluation of the mainwall insulation . 10
4.5.2 Reduced evaluation of the mainwall insulation . 10
4.5.3 Evaluation of the stress control system . 10
5 Test objects . 10
5.1 Construction of test objects . 10
5.2 Number of test specimens . 11
5.3 Initial quality control tests . 11
6 Electrical ageing . 11
6.1 General . 11
6.2 Voltage levels and intended test lives of the mainwall insulation . 11
6.3 Test temperatures during electrical endurance testing of the mainwall
insulation . 11
6.3.1 Electrical ageing at room temperature . 11
6.3.2 Electrical ageing at elevated temperature . 12
6.3.3 Ageing procedure for the mainwall insulation . 12
6.4 Maintenance of stress control coatings . 12
7 Diagnostic sub-cycle . 12
7.1 General . 12
7.2 Voltage test of the mainwall insulation . 12
7.3 Other diagnostic tests . 13
8 Failures of the mainwall insulation . 13
8.1 Failure location and verification. 13
8.2 Failed specimen observations . 13
9 Functional evaluation of the mainwall data . 13
9.1 General . 13
9.2 Full evaluation (same voltage level and same expected service life) . 13
9.3 Reduced evaluation (same voltage level and same expected service life) . 15
9.4 Recommended data to be recorded . 16
9.5 Determining qualification for performances different to the reference system . 17
9.5.1 Overview . 17

IEC 60034-18-32:2022 © IEC 2022 – 3 –
9.5.2 Case B: Qualification for the same phase to phase voltage and a
different expected service life . 17
9.5.3 Case C: Qualification for different voltage level and same expected
service life .
...

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