prEN IEC 60349-2:2025

Electric traction - Rotating electrical machines for rail and road vehicles - Part 2: Electronic converter-fed alternating current motors

Elektrische Zugförderung - Drehende elektrische Maschinen für Bahn- und Straßenfahrzeuge - Teil 2: Umrichtergespeiste Wechselstrommotoren

Traction électrique - Machines électriques tournantes des véhicules ferroviaires et routiers - Partie 2: Moteurs à courant alternatif alimentés par convertisseurs électroniques

Železniške naprave - Rotacijski električni stroji za železniška in cestna vozila - 2. del: Elektronsko napajani izmenični motorji

General Information

• Status: Not Published
• Publication Date: 04-Apr-2027
• ICS: 29.280 - Electric traction equipment
• ICS: 45.060.01 - Railway rolling stock in general
• Technical Committee: CLC/TC 9X - Electrical and electronic applications for railways
• Current Stage: 4020 - Enquiry circulated - Enquiry
• Start Date: 05-Sep-2025
• Due Date: 31-Jul-2025
• Completion Date: 05-Sep-2025
• Ref Project: oSIST prEN IEC 60349-2:2025 - Electric traction - Rotating electrical machines for rail and road vehicles - Part 2: Electronic converter-fed alternating current motors

Relations

• Revises: EN 60349-2:2010 - Electric traction - Rotating electrical machines for rail and road vehicles - Part 2: Electronic converter-fed alternating current motors
• Effective Date: 18-Jun-2024

Standards Content (Sample)

SLOVENSKI STANDARD
01-oktober-2025
Železniške naprave - Rotacijski električni stroji za železniška in cestna vozila - 2.
del: Elektronsko napajani izmenični motorji
Electric traction - Rotating electrical machines for rail and road vehicles - Part 2:
Electronic converter-fed alternating current motors
Elektrische Zugförderung - Drehende elektrische Maschinen für Bahn- und
Straßenfahrzeuge - Teil 2: Umrichtergespeiste Wechselstrommotoren
Traction électrique - Machines électriques tournantes des véhicules ferroviaires et
routiers - Partie 2: Moteurs à courant alternatif alimentés par convertisseurs
électroniques
Ta slovenski standard je istoveten z: prEN IEC 60349-2:2025
ICS:
29.160.30 Motorji Motors
29.280 Električna vlečna oprema Electric traction equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

9/3250/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60349-2 ED4
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-09-05 2025-11-28
SUPERSEDES DOCUMENTS:
9/3123/CD, 9/3172A/CC
IEC TC 9 : ELECTRICAL EQUIPMENT AND SYSTEMS FOR RAILWAYS
SECRETARIAT: SECRETARY:
France Mr Denis MIGLIANICO
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):

ASPECTS CONCERNED:
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
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) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
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 which they are
aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries” clau ses to
be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for submitting ISC c lauses.
(SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Electric traction – Rotating electrical machines for rail and road vehicles – Part 2: Electronic converter-fed
alternating current motors
PROPOSED STABILITY DATE: 2028
NOTE FROM TC/SC OFFICERS:
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" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.

IEC CDV 60349-2 © IEC 2025
CONTENTS
1 Scope and objective . 6
2 Normative references . 6
3 Terms and definitions . 8
4 Environmental conditions . 11
b) Air temperature in the shade not exceeding Class T1 according to IEC 62498-1 . 11
5 Characteristics . 11
5.1 Exchange of information . 11
5.2 Reference temperature . 12
5.3 Specified characteristics . 12
5.4 Declared characteristics . 12
5.5 Efficiency characteristics . 12
5.6 Traction motor characteristics . 12
6 Marking . 13
7 Test categories . 13
7.1 General . 13
7.2 Type tests . 13
7.2.1 General . 13
7.2.2 Type tests on converter supply . 14
7.3 Reduced type test . 14
7.3.1 General . 14
7.3.2 Repeat the type test temperature rise test with converter . 14
7.3.3 Repeat a temperature rise test with converter with different load . 14
7.3.4 Repeat a temperature rise test with sinusoidal supply . 14
7.4 Routine tests . 15
7.5 Investigation tests . 15
7.6 Summary of tests . 15
8 Type tests . 15
8.1 Temperature-rise tests . 15
8.1.1 General . 15
8.1.2 Cooling during rating tests . 16
8.1.3 Measurement of temperature . 16
8.1.4 Judgement of results . 16
8.1.5 Limits of temperature rise . 16
8.1.6 Short-time overload test . 17
8.2 Characteristic tests and tolerances . 17
8.2.1 General . 17
8.2.2 Tolerances . 18
8.3 Overspeed test . 18
8.4 Vibration tests . 19
9 Routine tests . 19
9.1 General . 19
9.2 Short-time heating run . 20
9.3 Characteristic tests and tolerances . 20
9.3.1 Asynchronous motors . 20
9.3.2 Synchronous motors . 20
IEC CDV 60349-2 © IEC 2025
9.4 Overspeed tests . 20
9.5 Dielectric tests . 21
9.6 Vibration tests (imbalance) . 22
Annex A (normative) Measurement of temperature . 23
A.1 Temperature of the motor parts . 23
A.1.1 General . 23
A.1.2 Resistance method . 23
A.1.3 Thermometer method . 23
A.2 Temperature of the coolant . 24
A.2.1 Air cooling . 24
A.2.2 Liquid cooling . 24
A.3 Measurement of resistance . 24
A.3.1 Initial cold resistance . 24
A.3.2 Hot resistance . 24
A.4 Stopping of motors and time of “commencement of cooling” . 24
A.5 Time of the hot resistance measurement and extrapolation of the cooling and
heating curves . 25
Annex B (normative) Conventional values of traction motor transmission losses . 26
Annex C (informative) Noise measurement method and limits . 27
C.1 General . 27
C.2 Test conditions . 27
C.2.1 Preparation of the machine . 27
C.2.2 Operating conditions . 28
C.2.3 Background noise . 28
C.3 Measuring instruments . 28
C.3.1 Grade . 28
C.3.2 Calibration of measuring equipment . 28
C.3.3 Location of instruments and observer . 28
C.4 Method of measurement . 29
C.4.1 Method . 29
C.4.2 Location of measuring points . 29
C.4.3 Quantities to be determined . 29
C.5 Calculation . 29
C.5.1 Measurement corrections for background noise . 29
C.5.2 Calculation of the mean sound levels . 29
C.5.3 Calculation of the radius and area of the equivalent hemisphere. 30
C.5.4 Calculation of the approximate octave band power levels . 30
C.5.5 Calculation of (A) weighted sound power level . 31
C.5.6 Calculation of the octave band approximate mean sound pressure
level . 31
C.5.7 Calculation of the mean sound level (A) . 31
C.6 Correction for pure tones . 31
C.7 Noise limits . 32
Annex D (normative) Supply voltages of traction systems . 36
Annex E (normative) Agreement between user and manufacturer . 37
The tables E.1 to E.3 specify the special requirements between user and
manufacturer. . 37
IEC CDV 60349-2 © IEC 2025
Table E.2 - Special requirements of the manufacturer to be specified and agreed
with the user. 37
Table E.3 - Other special requirements which may be the subject to an agreement
between user and manufacturer . 38
Annex F (normative) Auxiliary motors . 40
F.1 General . 40
F.2 Requirements . 41

Figure B.1 – Conventional values of traction motor transmission losses
...