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SLOVENSKI STANDARD
01-december-2021
Električni rotacijski stroji - 32. del: Merjenje vibracij statorskega navitja pri navitih
navitjih (IEC/TS 60034-32:2016)
Rotating electrical machines - Part 32: Measurement of stator end-winding vibration at
form-wound windings (IEC/TS 60034-32:2016)
Drehende elektrische Maschinen - Teil 32: Messung von Wickelkopfschwingungen an
Formspulen im Ständer (IEC/TS 60034-32:2016)
Machines électriques tournantes - Partie 32: Mesurage des vibrations des
développantes de stator au niveau des enroulements préformés (IEC/TS 60034-
32:2016)
Ta slovenski standard je istoveten z: CLC IEC/TS 60034-32:2021
ICS:
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.
TECHNICAL SPECIFICATION CLC IEC/TS 60034-32
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
October 2021
ICS 29.160.01
English Version
Rotating electrical machines - Part 32: Measurement of stator
end-winding vibration at form-wound windings
(IEC/TS 60034-32:2016)
Machines électriques tournantes - Partie 32: Mesurage des Drehende elektrische Maschinen - Teil 32: Messung von
vibrations des développantes de stator au niveau des Wickelkopfschwingungen an Formspulen im Ständer
enroulements préformés (IEC/TS 60034-32:2016)
(IEC/TS 60034-32:2016)
This Technical Specification was approved by CENELEC on 2021-08-16.
CENELEC members are required to announce the existence of this TS in the same way as for an EN and to make the TS available promptly
at national level in an appropriate form. It is permissible to keep conflicting national standards in force.
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
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. CLC IEC/TS 60034-32:2021 E
European foreword
This document (CLC IEC/TS 60034-32:2021) consists of the text of IEC/TS 60034-32:2016 prepared
by IEC/TC 2 "Rotating machinery".
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 Technical Specification IEC/TS 60034-30-2:2016 was approved by
CENELEC as a European Technical Specification without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60034-18-31 NOTE Harmonized as EN 60034-18-31
IEC 60034-18-32 NOTE Harmonized as EN 60034-18-32
IEC/TS 60034-18-33 NOTE Harmonized as CLC/TS 60034-18-33
IEC 60034-18-34 NOTE Harmonized as EN 60034-18-34
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 When 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 - Rotating electrical machines - Part 15: EN 60034-15 -
Impulse voltage withstand levels of form-
wound stator coils for rotating a.c.
machines
IEC 60079 series Explosive atmospheres EN 60079 series
ISO 7626-5 1994 Vibration and shock - Experimental - -
determination of mechanical mobility – Part
5: Measurements using impact excitation
with an exciter which is not attached to the
structure
ISO 18431-1 - Mechanical vibration and shock - Signal - -
processing - Part 1: General introduction
ISO 18431-2 - Mechanical vibration and shock - Signal - -
processing - Part 2: Time domain windows
for Fourier Transform analysis
A new edition and common modifications are currently under preparation. Stage of these documents
at the time of publication: FprEN 60034-1 and FprEN 60034-1/prAA.
IEC TS 60034-32
Edition 1.0 2016-12
TECHNICAL
SPECIFICATION
colour
inside
Rotating electrical machines –
Part 32: Measurement of stator end-winding vibration at form-wound windings
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.160.01 ISBN 978-2-8322-3714-4
– 2 – IEC TS 60034-32:2016 IEC 2016
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 10
2 Normative references . 10
3 Terms, definitions and abbreviated terms . 11
3.1 Terms and definitions . 11
3.2 Abbreviated terms . 13
4 Causes and effects of stator end-winding vibrations . 14
5 Measurement of stator end-winding structural dynamics at standstill . 15
5.1 General . 15
5.2 Experimental modal analysis . 15
5.2.1 General . 15
5.2.2 Measurement equipment . 16
5.2.3 Measurement procedure . 17
5.2.4 Evaluation of measured frequency response functions, identification of
modes . 20
5.2.5 Elements of test report . 20
5.2.6 Interpretation of results . 21
5.3 Driving point analysis . 22
5.3.1 General . 22
5.3.2 Measurement equipment . 23
5.3.3 Measurement procedure . 23
5.3.4 Evaluation of measured FRFs, identification of modes . 23
5.3.5 Elements of test report . 24
5.3.6 Interpretation of results . 24
6 Measurement of end-winding vibration during operation . 25
6.1 General . 25
6.2 Measurement equipment . 25
6.2.1 General . 25
6.2.2 Vibration transducers . 26
6.2.3 Electro-optical converters for fiber optic systems . 27
6.2.4 Penetrations for hydrogen-cooled machines . 27
6.2.5 Data acquisition . 27
6.3 Sensor installation . 28
6.3.1 Sensor locations . 28
6.3.2 Good installation practices . 29
6.4 Most relevant dynamic characteristics to be retrieved . 30
6.5 Identification of operational deflection shapes . 31
6.6 Elements of test report . 31
6.7 Interpretation of results . 32
7 Repeated measurements for detection of structural changes . 33
7.1 General . 33
7.2 Reference measurements, operational parameters and their comparability . 33
7.3 Choice of measurement actions . 35
7.4 Aspects of machine’s condition and its history . 36
Annex A (informative) Background causes and effects of stator end-winding vibrations . 37
IEC TS 60034-32:2016 IEC 2016 – 3 –
A.1 Stator end-winding dynamics . 37
A.1.1 Vibration modes and operating deflection shape . 37
A.1.2 Excitation of stator end-winding vibrations . 38
A.1.3 Relevant vibration characteristics of stator end-windings . 38
A.1.4 Influence of operational parameter . 41
A.2 Increased stator end-winding vibrations . 41
A.2.1 General aspects of increased vibration . 41
A.2.2 Increase of stator end-winding vibrations levels over time and potential
remedial actions . 42
A.2.3 Transient conditions as cause for structural changes . 43
A.2.4 Special aspects of main insulation . 44
A.3 Operational deflection shape of global stator end-winding vibrations . 44
A.3.1 General . 44
A.3.2 Force distributions relevant for global vibrational behaviour . 44
A.3.3 Idealized global vibration behaviour while in operation . 45
A.3.4 General vibration behaviour of stator end-windings . 47
A.3.5 Positioning of sensors for the measurement of global vibration level . 49
A.4 Operational deflection shape of local stator end-winding vibrations . 51
Annex B (informative) Data visualization . 52
B.1 General . 52
B.2 Standstill measurements . 53
B.3 Measurements during operation . 56
Bibliography . 62
Figure 1 – Stator end-winding of a turbogenerator (left) and a large motor (right) at
connection end with parallel rings . 7
Figure 2 – Example for an end-winding structure of an indirect cooled machine .
...