SIST EN 60322:2002

SLOVENSKI STANDARD
SIST EN 60322:2002
01-julij-2002
1DGRPHãþD
SIST HD 91 S1:1999
äHOH]QLãNHQDSUDYH±(OHNWULþQDRSUHPD]DYR]QDVUHGVWYD±3UDYLOD]DPRþQRVWQH
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Railway applications - Electric equipment for rolling stock - Rules for power resistors of
open construction
Bahnanwendungen - Elektrische Ausrüstung für Bahnfahrzeuge - Regeln für
Leistungswiderstände in offener Bauweise
Applications ferroviaires - Equipements électriques du matériel roulant - Règles relatives
aux résistances de puissance de construction ouverte
Ta slovenski standard je istoveten z: EN 60322:2001
ICS:
31.040.01 Upori splošno Resistors in general
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
SIST EN 60322:2002 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 60322:2002

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SIST EN 60322:2002
EUROPEAN STANDARD EN 60322
NORME EUROPÉENNE
EUROPÄISCHE NORM July 2001
ICS 29.280 Supersedes HD 91 S1:1977
English version
Railway applications -
Electric equipment for rolling stock -
Rules for power resistors of open construction
(IEC 60322:2001)
Applications ferroviaires - Bahnanwendungen -
Equipements électriques du matériel Elektrische Ausrüstung für Bahnfahrzeuge -
roulant - Regeln für Leistungswiderstände in offener
Règles relatives aux résistances de Bauweise
puissance de construction ouverte (IEC 60322:2001)
(CEI 60322:2001)
This European Standard was approved by CENELEC on 2001-05-01. 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 Central Secretariat 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 Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,
Portugal, Spain, Sweden, Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60322:2001 E

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SIST EN 60322:2002
EN 60322:2001 - 2 -
Foreword
The text of document 9/607/FDIS, future edition 2 of IEC 60322, prepared by IEC TC 9, Electric
railway equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC
as EN 60322 on 2001-05-01.
This European Standard supersedes HD 91 S1:1977.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2002-02-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2004-05-01
Annexes designated "normative" are part of the body of the standard.
In this standard, annexes A and ZA are normative.
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60322:2001 was approved by CENELEC as a European
Standard without any modification.
__________

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SIST EN 60322:2002
- 3 - EN 60322:2001
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
This European Standard incorporates by dated or undated reference, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of any
of these publications apply to this European Standard only when incorporated in it by amendment or
revision. For undated references the latest edition of the publication referred to applies (including
amendments).
NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
IEC 60050-811 1991 International electrotechnical vocabulary--
- Chapter 811: Electric traction
IEC 60077-1 1999 Railway applications - Electric --
equipment for rolling stock
Part 1: General service conditions and
general rules
IEC 60364-4-41 1992 Electrical installations of buildings HD 384.4.41 S2 1996
(mod) Part 4: Protection for safety -- Chapter
41: Protection against electric shock
IEC 60943 1998 Guidance concerning the permissible--
temperature rise for parts of electrical
equipment, in particular for terminals
IEC 61133 1992 Railway applications - Testing of rolling--
stock after completion of construction
and before entry into service
IEC 61373 1999 Railway applications - Rolling stock EN 61373 1999
equipment - Shock and vibration tests

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SIST EN 60322:2002

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SIST EN 60322:2002
NORME CEI
INTERNATIONALE IEC
60322
INTERNATIONAL
Deuxième édition
STANDARD
Second edition
2001-03
Applications ferroviaires –
Equipements électriques du matériel roulant –
Règles relatives aux résistances de puissance
de construction ouverte
Railway applications –
Electric equipment for rolling stock –
Rules for power resistors of open construction
 IEC 2001 Droits de reproduction réservés  Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in
utilisée sous quelque forme que ce soit et par aucun procédé, any form or by any means, electronic or mechanical,
électronique ou mécanique, y compris la photocopie et les including photocopying and microfilm, without permission in
microfilms, sans l'accord écrit de l'éditeur. writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http://www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
R
PRICE CODE
International Electrotechnical Commission
Pour prix, voir catalogue en vigueur
For price, see current catalogue

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SIST EN 60322:2002
60322 © IEC:2001 – 3 –
CONTENTS
Page
FOREWORD.5
Clause
1 Scope and object .9
2 Normative references.9
3 Definitions .11
4 Product information.15
4.1 General .15
4.2 Nature of information .15
4.3 Marking .17
5 Normal service conditions .17
6 Constructional and performance requirements .17
6.1 Constructional requirements .17
6.2 Performance requirements.25
7 Test categories.25
7.1 General .25
7.2 Type tests .27
7.3 Routine tests .27
7.4 Investigatory tests.27
7.5 General test conditions .27
8 Tests .27
8.1 General .27
8.2 Measurements.29
8.3 Temperature-rise tests.31
8.4 Tests for withstanding vibration and shock .31
8.5 Dielectric tests.31
8.6 Hygroscopic test .35
8.7 Fault current test .35
8.8 Test for performance in rain.35
Annex A (normative) Double insulated resistors.37
Figure A.1 – Typical arrangements of double insulated resistors .37
Table 1 − Tolerances on resistance values of resistor sections .19
Table 2 − Tolerances on resistance values of resistor elements.19
Table 3 − Temperature-rise limits for accessible parts .21
Table 4 − List of tests.29
Table 5 − Test voltages for basic insulation .33
Table 6 − Test voltages for functional insulation .33

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SIST EN 60322:2002
60322 © IEC:2001 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
RAILWAY APPLICATIONS –
ELECTRIC EQUIPMENT FOR ROLLING STOCK –
RULES FOR POWER RESISTORS OF OPEN CONSTRUCTION
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International Organization
for Standardization (ISO) in accordance with conditions determined by agreement between the two
organizations.
2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical specifications, technical reports or guides and they are accepted by the National
Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60322 has been prepared by IEC technical committee 9: Electric
railway equipment.
This second edition cancels and replaces the first edition published in 1970, of which it
constitutes a technical revision.
The text of this standard is based on the following documents:
FDIS Report on voting
9/607/FDIS 9/611/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 3.
Annex A forms an integral part of this standard.

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SIST EN 60322:2002
60322 © IEC:2001 – 7 –
The committee has decided that the contents of this publication will remain unchanged
until 2010. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.

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SIST EN 60322:2002
60322 © IEC:2001 – 9 –
RAILWAY APPLICATIONS –
ELECTRIC EQUIPMENT FOR ROLLING STOCK –
RULES FOR POWER RESISTORS OF OPEN CONSTRUCTION
1 Scope and object
This International Standard gives the rules for all power resistors (for example, braking,
heating, snubber and filter) used in the power and auxiliary circuits on board rolling stock
irrespective of the circuit and the type of vehicle where they are used.
These resistors are generally of open construction and are used in polluted areas. The
construction consists of resistor elements of grids, plates, strips, ribbons or wires.
NOTE Certain of these rules may, after agreement between user and manufacturer, be used for electrical
equipment installed on other vehicles such as mine locomotives, trolley buses, etc.
This standard states
– the characteristics of the resistors;
– the service conditions with which the power resistors have to comply;
– the tests intended for confirming that these conditions have been met and the methods to
be adopted for these tests;
– the information to be marked on, or given with, the resistors.
This standard does not give requirements relating to general service conditions and general
rules which are given in IEC 60077-1.
The object of this standard is to adapt the general rules given in IEC 60077-1 to power
resistors for rolling stock in order to obtain uniformity of requirements and tests throughout the
corresponding range of components and to avoid the need for testing to two different
standards.
2 Normative references
The following normative documents contain provisions which, through reference in this text,
constitute provisions of this International Standard. For dated references, subsequent
amendments to, or revisions of, any of these publications do not apply. However, parties to
agreements based on this International Standard are encouraged to investigate the possibility
of applying the most recent editions of the normative documents indicated below. For undated
references, the latest edition of the normative document referred to applies. Members of IEC
and ISO maintain registers of currently valid International Standards.
IEC 60050(811):1991, International Electrotechnical Vocabulary (IEV) – Chapter 811: Electric
traction

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SIST EN 60322:2002
60322 © IEC:2001 – 11 –
IEC 60077-1:1999, Railway applications – Electric equipment for rolling stock – Part 1: General
service conditions and general rules
IEC 60364-4-41:1992, Electrical installations of buildings – Part 4: Protection for safety –
Chapter 41: Protection against electric shock
IEC 60943:1998, Guidance concerning the permissible temperature rise for parts of electrical
equipment, in particular for terminals
IEC 61133:1992, Electric traction – Rolling stock – Test methods for electric and
thermal/electric rolling stock on completion of construction and before entry into service
IEC 61373:1999, Railway applications – Rolling stock equipment – Shock and vibration tests
3 Definitions
For the purpose of this International Standard, the definitions of IEC 60050(811) and the
following definitions apply.
3.1
resistor element
resistive conductor forming part of a resistor case or frame, usually in the form of grids, plates,
strips, ribbons or wires and which may have intermediate tappings
[IEV 811-27-11]
NOTE A resistor element is usually a removable assembly.
3.2
resistor
general term used in this standard to designate any of the following forms of electrical
resistance
3.2.1
resistor case
resistor frame
set of resistor elements assembled into a single structure
[IEV 811-27-12]
NOTE 1 Resistor case is used for resistors having one or more resistor elements installed in an enclosure
intended to form part of a forced air cooling duct.
NOTE 2 Resistor frame is used for resistors having one or more resistor elements installed on a common frame
for natural cooling in open air.
3.2.2
resistor section
resistive circuit contained between two terminals, dedicated to an electrical function and
connected to external equipment
[IEV 811-27-14 modified.]
NOTE A resistor section may consist of a part or more than one resistor case or frame.

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SIST EN 60322:2002
60322 © IEC:2001 – 13 –
3.3
double insulation
two-stage insulation, the first between the live conductors and an intermediate frame and the
second between the intermediate frame and the body of the vehicle
[IEV 811-27-15]
NOTE 1 The intermediate frame is metallic (see annex A).
NOTE 2 Double insulation in this context does not refer to double insulation used for protection against electric
shock (see IEC 60364-4-41).
3.4
multi-stage insulation
insulation system having more than one stage of insulation and an intermediate frame between
consecutive stages
NOTE 1 An insulation system having no more than one stage is termed "single insulation".
NOTE 2 For an insulation system having more than one stage, those stages other than the primary insulation are
commonly known as “secondary insulation”.
3.5
primary insulation
first stage of a multi-stage insulation between live conductors and the intermediate frame
3.6
functional insulation
insulation between conductive parts which is necessary only for the proper function
3.7
basic insulation
insulation applied to live parts to provide basic protection against electric shock (human safety)
3.8
maximum temperature (T )
m
temperature of the hottest point of the resistor element under the specified conditions (duty,
cooling, materials, etc.)
3.9
maximum permissible temperature
temperature of the resistor element that can be withstood without any resulting damage (for
example, permanent distortion) to any part of the resistor frame or case and its external
connections
3.10
rated operational current (I )
e
current value assigned by the manufacturer for a duty cycle under specified conditions
NOTE This may include a value of current capable of being carried continuously.

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SIST EN 60322:2002
60322 © IEC:2001 – 15 –
3.11
rated operational voltage (U )
e
voltage value which determines the application of the resistor frame or case and to which the
tests are referred. The value is assigned generally by the manufacturer
3.12
working voltage (U )
w
the highest r.m.s. value of the a.c. voltage or the highest value of the d.c. voltage which may
occur (locally) across any insulation at rated operational voltage, transients being disregarded,
in open-circuit conditions or under normal operating conditions
NOTE For a resistor under fault conditions, the working voltage is that occurring under the fault conditions, if this
is greater than that occurring under normal conditions.
3.13
rated insulation voltage (U )
i
value of the voltage to which dielectric test voltages and creepage distances are referred.
It is at least equal to the highest r.m.s. value of the voltage existing between electrodes and
across the creepage distance for an extended period of time (i.e. neglecting non-repetitive
transient voltages)
3.14
manufacturer
organization which has the technical responsibility for the manufacture of the resistor
3.15
purchaser
organization which orders the resistor and has the responsibility for direct negotiations with the
manufacturer
4 Product information
4.1 General
An agreed specification should exist between the manufacturer and his purchaser containing
general performance and test requirements in accordance with this standard.
4.2 Nature of information
The following information shall be given in the manufacturer’s catalogue or manuals for each
resistor case or frame. It concerns the identification and the characteristics.
4.2.1 Identification
– manufacturer’s name or trademark;
– type designation or serial number;
– modification status;
– reference to the product standard (i.e. IEC 60322) if the manufacturer declares compliance
with it.

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SIST EN 60322:2002
60322 © IEC:2001 – 17 –
4.2.2 Characteristics
The following list is not exhaustive and should be applied as appropriate:
– rated operational voltage(s);
– rated insulation voltage;
– rated operational current(s);
– value of the total resistance (at 20 °C) and, if required, of the partial resistance between
connection terminals.
4.3 Marking
The following markings on the equipment are mandatory:
– manufacturer’s name or trademark;
– type designation;
– serial number or date or code of manufacture;
– modification status, if applicable.
These are preferably marked on the nameplate, if any, in order to permit the complete data to
be obtained from the manufacturer for traceability. The markings shall be indelible and easily
legible.
5 Normal service conditions
These conditions are given in clause 7 of IEC 60077-1. The service conditions may impose
special constructional requirements for this type of equipment (for example, take into
consideration rain on a hot resistor element).
6 Constructional and performance requirements
6.1 Constructional requirements
The constructional requirements are those given in 8.1 of IEC 60077-1 with the following
additions. If further constructional requirements are needed, they shall be stated in the
specification.
6.1.1 Resistance values of resistor sections
If the resistor section consists of more than one resistor case or frame, the value shall include
the resistance of the connections between the cases or frames.
The tolerance on the resistance values measured shall be as given in table 1 at the reference
temperature of 20 °C. The value of resistance at the reference temperature of 20 °C shall be
declared taking into consideration the variation of resistance that will occur at the maximum
temperature (T ).
m

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SIST EN 60322:2002
60322 © IEC:2001 – 19 –
Table 1 −−−− Tolerances on resistance values of resistor sections
Tolerance
Resistor application
%
Starting resistor
Braking resistor +7, –5
Permanent shunting resistor
Shunting resistor for field weakening of direct or pulsating current
motors:
– weak field between 100 % and 50 % of full field ±5
– weak field less than 50 % of full field ±3
– adjustable resistors +7, –5
Shunting resistor for interpoles of single-phase commutator motors
±3
Circuit-interrupting resistor ±10
Crowbar, snubber, others
±10
NOTE  The above values apply unless otherwise stated in the specification.
6.1.2 Resistance values of resistor elements
The tolerance on the resistance values of the resistor elements shall be as given in table 2 at
the reference temperature of 20 °C.
If the resistor element is known to be a resistor section, then table 1 shall be applied.
Table 2 −−−− Tolerances on resistance values of resistor elements
Tolerance
Nature of resistor elements
%
Cast grids
±10
Ribbons, wires, etc. ±5
6.1.3 Inductance
Depending on the particular application, the limits of inductance may be stated in the
specification.
6.1.4 Insulation
A basic insulation shall be provided between the resistor elements and the vehicle body.
Creepages and clearances for the basic insulation of a resistor are based on the rated
insulation voltage U of the circuit to which the resistor is connected.
i
For particular applications, for example, where braking resistors or other resistors are
subjected to severe environmental conditions, double insulation including an intermediate
frame shall be used; then they are regarded as multi-stage insulated resistors.

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SIST EN 60322:2002
60322 © IEC:2001 – 21 –
When multi-stage insulation (for example, double insulation) is employed, the following
requirements apply:
a) the conductive parts of the intermediate frame shall be regarded as live parts and all
provisions shall be applied to prevent direct contact with these parts.
The insulation between the resistor elements and the intermediate frame of the resistor
shall be dimensioned as functional insulation; the insulation between the intermediate
frame and the vehicle body shall be dimensioned as basic insulation related to the rated
insulation voltage U in accordance with the requirements of 8.2.6 of IEC 60077-1;
i
b) every point of all resistor elements of a case or a frame shall have (a) functional
insulation(s) related to the working voltage(s) U existing between this point and the other
w
point(s) considered;
c) the working voltage is equal to the voltage drop existing across the resistor elements fitted
on this intermediate frame;
d) the functional insulation between any two intermediate frames shall be dimensioned as a
functional insulation related to the working voltage U .
w
Annex A gives examples of several possible arrangements of resistors.
6.1.5 Maximum temperature
6.1.5.1 Maximum temperature of the resistor
The maximum temperature (T ) of a resistor shall not exceed the maximum permissible
m
temperature and shall take into account the temperature which partitions, outlets and adjacent
accessories (cables, terminals, etc.) are able to withstand. A lower maximum temperature may
be stated in the specification.
6.1.5.2 Temperature-rise limits
Table 3 gives the temperature-rise limits for accessible parts taking into account the ambient
air temperature. The resistor shall be protected against contact with combustible materials or
accidental contact with personnel.
Table 3 – Temperature-rise limits for accessible parts
Temperature-rise limits for maximum air Maximum
ambient temperature 40 °C temperature
Accessible parts
K °C
Exteriors of enclosure adjacent to cable
entries:
– metallic 40 80
– non-metallic 50 90
Exteriors of enclosures of the resistor 200
Air issuing from ventilation openings of 200
the resistor
NOTE  The temperature-rise limits of 200 K may be exceeded by an agreement between purchaser and
manufacturer, for example, in the case of self-ventilated resistors mounted on the roof. Guarding and location to
prevent danger is the responsibility of the purchaser of the resistor fitting the item. The manufacturer of the
resistor should provide appropriate information.

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SIST EN 60322:2002
60322 © IEC:2001 – 23 –
6.1.6 Terminals
Bolted connections with adequate locking shall be used for all terminal connections in order to
ensure the connection forces are maintained.
Terminals, bolts and nuts should be designed in accordance with IEC 60943. Taking into
account the conditions of high temperatures in particular, all precautions shall be taken to
prevent contact resistance from increasing with time due to corrosion effects or fatigue of
materials.
6.1.7 Protection against corrosion
Precautions shall be taken to give adequate protection against corrosion for all components of
the resistor including contact surfaces of terminations.
6.1.8 Materials
With respect to health and safety, materials should be chosen which represent no risk for
human beings and livestock in accordance with national laws of the user of the vehicle.
6.1.9 Bonding terminal
In order to comply with 8.1.2 of IEC 60077-1, the resistor case or frame shall have a protective
bonding connection when th
...