SIST EN 60358-1:2012

Coupling capacitors and capacitor dividers - Part 1: General rules

This part of IEC 60358 applies to: • Capacitors, with rated voltage > 1 000 V, connected line to ground with the low voltage terminal either permanently earthed or connected to devices, for applications listed hereunder and other similar uses. This standard serves as basic standard for the coupling capacitor, the different parts of this standard will present the supplementary specifications and tests, for example IEC 60358-2, IEC 60358-3 or IEC 60358-4.

Kopplungskondensatoren und kapazitive Teiler - Teil 1: Allgemeine Bestimmungen

Diese Internationale Norm legt allgemeine Begriffe der Konformitätsbewertung, einschließlich der Akkreditierung von Konformitätsbewertungsstellen, und für die Anwendung der Konformitätsbewertung zur Förderung des Warenverkehrs fest. Der Anhang A enthält eine Beschreibung des funktionalen Ansatzes der Konformitätsbewertung und soll für den gesetzlich geregelten wie auch für den freiwilligen Bereich als weitere Hilfe gegenseitigen Verstehens unter den Anwendern der Konformitätsbewertung, Konformitätsbewertungsstellen und ihren Akkreditierungsstellen dienen.
Diese Internationale Norm dient nicht als Vokabular für alle Begriffe, die benötigt werden könnten, um alle Einzelheiten derbesondere Tätigkeiten der Konformitätsbewertung zu beschreiben. Benennungen und ihre Definitionen sind nur dann enthalten, wenn sich der Begriff nicht durch den allgemeinen Sprachgebrauch selbst erklärt oder wenn eine bereits bestehende genormte Definition nicht zutreffend ist.
ANMERKUNG 1   Die Anmerkungen zu den Definitionen verstehen sich als Klarstellungen oder als Beispiele zum besseren Verständnis der Begriffe. In bestimmten Fällen können dürfen die Anmerkungen aus sprachlichen Gründen in verschiedenen Sprachen unterschiedlich sein oder dürfen durch zusätzliche Anmerkungen ergänzt werden.
ANMERKUNG 2   Die Begriffe sind in einer systematischen Reihenfolge geordnet und in einem alphabetischen Stichwortverzeichnis erfasst. Eine Benennung in einer Definition oder Anmerkung, die an anderer Stelle definiert ist, ist fett gedruckt. Ihr folgt die in runde Klammern gesetzte Abschnittsnummer. Eine derartig fett gedruckte Benennung kann in der Definition durch ihre vollständige Definition ersetzt werden.

Condensateurs de couplage et diviseurs capacitifs - Partie 1: Règles générales

ISO/IEC 17000:2004 spécifie des termes généraux et leurs définitions relatifs à l'évaluation de la conformité, y compris l'accréditation des organismes d'évaluation de la conformité, et à l'utilisation de l'évaluation de la conformité pour faciliter le commerce. L'Annexe A comporte une description de l'approche fonctionnelle de l'évaluation de la conformité, destinée à apporter une aide complémentaire à la compréhension entre utilisateurs de l'évaluation de la conformité, organismes d'évaluation de la conformité et leurs organismes d'accréditation dans des contextes tant volontaires que réglementaires.
ISO/IEC 17000:2004 ne vise pas à établir un vocabulaire pour tous les concepts qu'il peut être nécessaire d'utiliser pour décrire des activités d'évaluation de la conformité particulières. Des termes et définitions ne sont donnés que dans le cas où l'utilisation du terme dans son sens courant ne permet pas la compréhension du concept en question ou lorsqu'une définition existante normalisée n'est pas applicable.

Sklopni kondenzatorji in kondenzatorski delilniki - 1. del: Splošna določila

Ta del standarda IEC 60358 se uporablja za: • kondenzatorje z naznačeno napetostjo > 1 000 V, ki so z linijo na zemljo povezani prek nizkonapetostnega priključka, stalno ozemljeni ali povezani z napravami, za spodaj navedene in druge podobne namene. Ta standard je temeljni standard za sklopne kondenzatorje; v različnih delih tega standarda, npr. IEC 60358-2, IEC 60358-3 ali IEC 60358-4, bodo predstavljene dodatne specifikacije in preskusi.

General Information

• Status: Published
• Publication Date: 23-Sep-2012
• ICS: 01.040.03 - Services. Company organization, management and quality. Administration. Transport. Sociology. (Vocabularies)
• ICS: 03.120.20 - Product and company certification. Conformity assessment
• ICS: 31.060.99 - Other capacitors
• Technical Committee: I09 - Imaginarni 09
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 28-Aug-2012
• Due Date: 02-Nov-2012
• Completion Date: 24-Sep-2012
• Directive: 2006/95/EC - Directive 2006/95/EC of the European Parliament and of the Council of 12 December 2006 on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits (codified version)
• Directive: 2014/35/EU - Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits
• Ref Project: EN ISO/IEC 17000:2004 - Conformity assessment - Vocabulary and general principles (ISO/IEC 17000:2004)

Relations

• Replaces: SIST HD 597 S1:2001 - Coupling capacitors and capacitor dividers
• Effective Date: 13-Mar-2012
• Revised: SIST HD 597 S1:2001 - Coupling capacitors and capacitor dividers
• Effective Date: 07-Jun-2022

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 60358-1:2012
01-oktober-2012
1DGRPHãþD
SIST HD 597 S1:2001
6NORSQLNRQGHQ]DWRUMLLQNRQGHQ]DWRUVNLGHOLOQLNLGHO6SORãQDGRORþLOD
Coupling capacitors and capacitor dividers - Part 1: General rules
Kopplungskondensatoren und kapazitive Teiler - Teil 1: Allgemeine Bestimmungen
Condensateurs de couplage et diviseurs capacitifs - Partie 1: Règles générales
Ta slovenski standard je istoveten z: EN 60358-1:2012
ICS:
31.060.99 Drugi kondenzatorji Other capacitors
SIST EN 60358-1:2012 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 60358-1:2012

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SIST EN 60358-1:2012

EUROPEAN STANDARD
EN 60358-1

NORME EUROPÉENNE
August 2012
EUROPÄISCHE NORM

ICS 29.120.99; 29.240.99; 31.060.70 Supersedes HD 597 S1:1992 (partially)


English version


Coupling capacitors and capacitor dividers -
Part 1: General rules
(IEC 60358-1:2012)


Condensateurs de couplage et diviseurs Kopplungskondensatoren und kapazitive
capacitifs - Teiler -
Partie 1: Règles générales Teil 1: Allgemeine Bestimmungen
(CEI 60358-1:2012) (IEC 60358-1:2012)





This European Standard was approved by CENELEC on 2012-07-17. 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, Former Yugoslav Republic of Macedonia, France, Germany,
Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Management Centre: Avenue Marnix 17, B - 1000 Brussels


© 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60358-1:2012 E

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SIST EN 60358-1:2012
EN 60358-1:2012 - 2 -

Foreword
The text of document 33/499/FDIS, future edition 1 of IEC 60358-1, prepared by IEC/TC 33, "Power
capacitors" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60358-
1:2012.

The following dates are fixed:
(dop) 2013-04-17
• latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2015-07-17

standards conflicting with the
document have to be withdrawn

This document supersedes HD 597 S1:1992 (partially).
EN 60358-1:2012 includes the following significant technical changes with respect to HD 597 S1:1992:
– The standard has been split into different parts; Part 1 is the general rules and Parts 2, 3, 4 will be
specific to the PLC, filters and dividers applications.
– The routine and type test have been reviewed and are presented in Figure 2.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent
rights.

This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed
for Use within Certain Voltage Limits (LVD - 2006/95/EC).

Endorsement notice
The text of the International Standard IEC 60358-1:2012 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 60060-2 NOTE  Harmonized as EN 60060-2.
IEC 60085 NOTE  Harmonized as EN 60085.
1)
IEC 60358-2 NOTE  Harmonized as EN 60358-2 .
IEC 60422 NOTE  Harmonized as EN 60422.
IEC 61869-5 NOTE  Harmonized as EN 61869-5.
IEC 62155 NOTE  Harmonized as EN 62155.
CISPR 16-1-1 NOTE  Harmonized as EN 55016-1-1.

1)
To be published.

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SIST EN 60358-1:2012
- 3 - EN 60358-1:2012

Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.

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 60038 (mod) - IEC standard voltages EN 60038 -


IEC 60050-321 1986 International Electrotechnical vocabulary - - -
Chapter 321: Instrument transformers


IEC 60050-436 1990 International Electrotechnical Vocabulary - -
(IEV) -
Chapter 436: Power capacitors


IEC 60050-601 1985 International Electrotechnical Vocabulary - -
(IEV) -
Chapter 601: Generation, transmission and
distribution of electricity - General


IEC 60050-604 1987 International Electrotechnical Vocabulary - -
(IEV) -
Chapter 604: Generation, transmission and
distribution of electricity - Operation


IEC 60060-1 - High-voltage test techniques - EN 60060-1 -
Part 1: General definitions and test
requirements


IEC 60068-2-17 - Environmental testing - EN 60068-2-17 -
Part 2: Tests - Test Q: Sealing


IEC 60071-1 - Insulation co-ordination - EN 60071-1 -
Part 1: Definitions, principles and rules


IEC 60270 - High-voltage test techniques - EN 60270 -
Partial discharge measurements


IEC 60721 Series Classification of environmental conditions EN 60721 Series


IEC 61462 - Composite hollow insulators - Pressurized EN 61462 -
and unpressurized insulators for use in
electrical equipment with rated voltage greater
than 1 000 V - Definitions, test methods,
acceptance criteria and design
recommendations


CISPR/TR 18-2 - Radio interference characteristics of overhead - -
power lines and high-voltage equipment -
Part 2: Methods of measurement and
procedure for determining limits

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SIST EN 60358-1:2012

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SIST EN 60358-1:2012




IEC 60358-1

®


Edition 1.0 2012-06




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE
colour

inside










Coupling capacitors and capacitor dividers –

Part 1: General rules




Condensateurs de couplage et diviseurs capacitifs –

Partie 1: Règles générales
















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE

PRICE CODE
INTERNATIONALE

CODE PRIX X


ICS 29.120.99; 29.240.99; 31.060.70 ISBN 978-2-83220-120-6




Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST EN 60358-1:2012
– 2 – 60358-1 © IEC:2012
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references. 8
3 Terms and definitions . 9
3.1 General terms and definitions . 9
3.2 Coupling capacitor terms and definitions . 12
4 Service conditions. 13
4.1 General . 13
4.2 Normal service conditions . 14
4.2.1 Ambient air temperature . 14
4.2.2 Altitude . 14
4.2.3 Vibrations or earthquakes . 14
4.2.4 Other service conditions for indoor equipment . 14
4.2.5 Other service conditions for outdoor equipment . 14
4.3 Special service conditions . 15
4.3.1 General . 15
4.3.2 Altitude . 15
4.3.3 Ambient temperature . 15
4.3.4 Earthquakes . 16
4.4 System earthing . 16
5 Ratings . 16
5.1 Standard values of rated frequency . 16
5.2 Standard values of rated voltages . 16
5.2.1 Rated voltages U for a.c. . 16
R
5.2.2 Rated voltages U for d.c. . 16
R
5.3 Standard values of rated voltage factor . 17
5.3.1 standard values of rated voltage factor for a.c. voltages . 17
5.3.2 Standard values of rated voltage factor for d.c. voltages . 17
6 Design requirements . 18
6.1 Insulation requirements . 18
6.2 Other insulation requirements . 20
6.2.1 Low voltage terminal not exposed to weather . 20
6.2.2 Low voltage terminal exposed to weather . 20
6.2.3 Partial discharges . 21
6.2.4 Chopped lightning impulse test . 21
6.2.5 Capacitance at power frequency . 21
6.2.6 Losses of the capacitor at power frequency . 22
6.2.7 External insulation requirements . 23
6.3 Electromagnetic emission requirements – Radio interference voltage (RIV) . 23
6.4 Mechanical requirements . 23
6.5 Tightness of equipment. 24
6.5.1 General . 24
6.5.2 Gas tightness . 24
6.6 Voltage grading for d.c. capacitors . 25

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SIST EN 60358-1:2012
60358-1 © IEC:2012 – 3 –
7 Test conditions . 25
8 Classification of tests . 26
8.1 General . 26
8.2 Routine tests . 26
8.3 Type tests . 26
8.4 Special tests . 27
9 Routine tests . 28
9.1 Tightness of the liquid-filled equipment . 28
9.1.1 General . 28
9.1.2 Closed pressure systems for gas . 29
9.2 Electrical routine tests . 29
9.2.1 General . 29
9.2.2 Capacitance and tanδ measurement at power-frequency . 29
9.2.3 Power-frequency or d.c. withstand test . 30
9.2.4 Partial discharge measurement . 31
9.2.5 AC-withstand test on low-voltage terminal of the equipment (6.2.1 and
6.2.2) . 31
9.2.6 Resistance measurement for d.c. equipment . 32
10 Type tests . 32
10.1 Impulse tests . 32
10.1.1 General . 32
10.1.2 Discharge test for d.c. coupling/filter capacitor . 32
10.1.3 Lightning-impulse test . 33
10.2 Wet test for outdoor equipment . 33
10.2.1 a.c./d.c. withstand wet test on equipment . 33
10.2.2 Switching impulse withstand wet test on equipment “range II” (a.c.:
U ≥ 300 kV and d.c.: U ≥ 750kV (peak)) . 33
m SIL
10.3 Radio interference voltage test. 34
10.4 Voltage polarity reversal test for d.c. equipment . 34
11 Special tests – Mechanical strength test . 35
12 Marking of the equipment . 36
12.1 General . 36
12.2 Markings of the rating plate . 37
Annex A (informative) Typical diagram of an equipment . 38
Annex B (informative) Partial discharge test circuit and instrumentation . 39
Annex C (normative) Radio interference voltage – Measurement circuit . 41
Bibliography . 43

Figure 1 – Altitude correction factor for insulation . 15
Figure 2 – Flow charts test sequence to be applied when performing the type test
(Figure 2a) and routine test (Figure 2b) . 28
Figure A.1 – Example of a diagram for a coupling capacitor (with and without low
voltage terminal) . 38
Figure B.1 – Test circuit . 39
Figure B.2 – Alternative circuit . 39
Figure B.3 – Example of balanced test circuit . 40
Figure B.4 – Example of calibration circuit . 40

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SIST EN 60358-1:2012
– 4 – 60358-1 © IEC:2012
Figure C.1 – Measuring circuit . 42

Table 1 – Rated ambient temperature categories . 14
Table 2 – Standard values of rated voltage factors . 17
Table 3 – Standard insulation levels for a.c. voltages . 18
Table 4 – Partial discharge test voltages and permissible levels . 21
Table 5 – Creepage distance . 23
Table 6 – Static withstand test loads for insulators . 24
Table 7 – Permissible temporary leakage rates for gas systems . 25
Table 8 – Test voltages for units, stacks and complete equipment . 31
Table 9 – Modalities of application of the test loads to the line primary terminals . 36
Table 10 – Marking of the rating plate . 37

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SIST EN 60358-1:2012
60358-1 © IEC:2012 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
___________

COUPLING CAPACITORS AND CAPACITOR DIVIDERS –

Part 1: General rules

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of 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, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). 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. 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 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 IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60358-1 has been prepared by IEC Technical Committee 33: Power
capacitors and their applications.
This standard cancels and replaces the second edition of IEC 60358 (1990), and constitutes a
technical revision.
This edition of IEC 60358-1 includes the following significant technical changes with respect to
the former edition of IEC 60358:
– The standard has been split into different parts; Part 1 is the general rules and Parts 2, 3, 4
will be specific to the PLC, filters and dividers applications.
– The routine and type test have been reviewed and are presented in Figure 2.

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SIST EN 60358-1:2012
– 6 – 60358-1 © IEC:2012
The text of this standard is based on the following documents:
FDIS Report on voting
33/499/FDIS 33/508/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 2.
The committee has decided that the contents of this publication will remain unchanged until the
stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data related to
the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this document using a colour printer.

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SIST EN 60358-1:2012
60358-1 © IEC:2012 – 7 –
INTRODUCTION
For the new re-structured IEC 60358 series, the following parts are envisaged:
1
IEC 60358-1 , Coupling capacitors and capacitor dividers – Part 1: General rules
2
IEC 60358-2 , Coupling capacitor and capacitor dividers – Part 2: AC or DC single-phase
coupling capacitor connected between line and ground for power line carrier-
frequency (PLC) application
3
IEC 60358-3 , Coupling capacitors and capacitor dividers – Part 3: AC or DC single-phase
coupling capacitor for harmonic-filters applications
4
IEC 60358-4 , Coupling capacitor and capacitor dividers – Part 4: AC or DC single-phase
capacitor-divider and RC-divider connected between line and ground (except
for CVT’s which belong to IEC 61869-5)
___________
1
 To be published.
2
 To be published.
3
 Under consideration.
4
 Under consideration.

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SIST EN 60358-1:2012
– 8 – 60358-1 © IEC:2012
COUPLING CAPACITORS AND CAPACITOR DIVIDERS –

Part 1: General rules



1 Scope
This part of IEC 60358 applies to:
• Capacitors, with rated voltage > 1 000 V, connected line to ground with the low voltage
terminal either permanently earthed or connected to devices, for applications listed
hereunder and other similar uses.
This standard serves as basic standard for the coupling capacitor, the different parts of this
standard will present the supplementary specifications and tests, for example IEC 60358-2,
IEC 60358-3 or IEC 60358-4.
NOTE Diagrams of coupling capacitor to which this standard applies are given in Figures A.1.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and
are indispensable for its application. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
IEC 60038, IEC standard voltages
IEC 60050-321:1986, International Electrotechnical Vocabulary – Chapter 321: Instrument
transformers
IEC 60050-436:1990, International Electrotechnical Vocabulary – Chapter 436: Power
capacitors
IEC 60050-601:1985, International Electrotechnical Vocabulary – Chapter 601: Generation,
transmission and distribution of electricity – General
IEC 60050-604:1987, International Electrotechnical Vocabulary – Chapter 604: Generation,
transmission and distribution of electricity – Operation
IEC 60060-1, High-voltage test techniques – Part 1: General definitions and test requirements
IEC 60068-2-17, Basic environmental testing procedures – Part 2-17: Tests – Test Q: Sealing
IEC 60071-1, Insulation co-ordination – Part 1: Definitions, principles and rules
IEC 60270, High-voltage test techniques – Partial discharge measurements
IEC 60721 (all parts), Classification of environmental conditions
IEC 61462, Composite hollow insulators – Pressurized and unpressurized insulators for use in
electrical equipment with rated voltage greater than 1 000 V – Definitions, test methods,
acceptance criteria and design recommendations

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SIST EN 60358-1:2012
60358-1 © IEC:2012 – 9 –
CISPR/TR 18-2, Radio interference characteristics of overhead power lines and high-voltage
equipment – Part 2: Methods of measurement and procedure for determining limits
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
NOTE Some of these terms and definitions are identical with or are similar to those of IEC 60050-321:1986,
IEC 60050-436:1990, IEC 60050-601:1985 and IEC 60050-604:1987. These are indicated by the relevant reference
in brackets.
3.1 General terms and definitions
3.1.1
equipment
general term used for this standard, either for complete capacitor, capacitor divider, RC-divider
3.1.2
coupling capacitor
capacitor used for the transmission of signals in a power system
[SOURCE: IEC 60050-436:1990, 436-02-11]
3.1.3
rated frequency of equipment
frequency for which the coupling capacitor has been designed
3.1.4
standard reference range of frequency
range of frequency which is applicable for the equipment.
3.1.5
rated voltage
U
R
value of
...