EN 60358-1:2012

Coupling capacitors and capacitor dividers - Part 1: General rules

IEC 60358-1:2012 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. 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. Keywords: coupling capacitor, capacitor dividers

Kopplungskondensatoren und kapazitive Teiler - Teil 1: Allgemeine Bestimmungen

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

La CEI 60358-1:2012 s'applique aux condensateurs, avec une tension assignée >1 000 V, connectés entre la ligne et la terre avec la borne basse tension connectée de manière permanente à la terre ou connectée à des dispositifs, pour les applications énumérées ci-dessous et d'autres utilisations semblables. La présente norme sert de norme de base pour le condensateur de couplage, les différentes parties de la présente norme présenteront les essais et les spécifications supplémentaires, par exemple la CEI 60358-2, la CEI 60358-3 ou la CEI 60358-4. La présente norme annule et remplace la deuxième édition de la CEI 60358 (1990) et constitue une révision technique. La présente édition de la CEI 60358-1 inclut les modifications techniques suivantes par rapport à la dernière édition de la CEI 60358: - la norme a été partagée en 4 parties; la Partie 1 présente les règles générales et les Parties 2, 3, 4 sont spécifiques aux applications aux fréquences des courants porteurs sur lignes d'énergie (CPL), aux filtres et aux diviseurs; - les essais de routine et de type ont été revus et sont présentés en Figure 2. Mots clé: condensateur de couplage, diviseur capacitifs

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: 09-Aug-2012
• ICS: 29.120.99 - Other electrical accessories
• ICS: 29.240.99 - Other equipment related to power transmission and distribution networks
• ICS: 31.060.70 - Power capacitors
• Technical Committee: CLC/SR 33 - Power capacitors
• Drafting Committee: IEC/TC 33 - IEC_TC_33
• Current Stage: 6060 - Document made available
• Due Date: 17-Oct-2012
• Completion Date: 10-Aug-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
• Directive: 2014/53/EU - Directive 2014/53/EU of The European Parliament and of the Council of 16 April 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment and repealing Directive 1999/5/EC
• Ref Project: SIST EN 60358-1:2012 - Coupling capacitors and capacitor dividers - Part 1: General rules

RELATIONS

• Revised: HD 597 S1:1992 - Coupling capacitors and capacitor dividers
• Effective Date: 23-Jul-2014
• Corrected By: EN 60358-1:2012/AC:2013 - Coupling capacitors and capacitor dividers - Part 1: General rules
• Effective Date: 20-Aug-2013

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
---------------------- Page: 3 ----------------------
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.
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.
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

5.2.2 Rated voltages U for d.c. .......................................................................... 16

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:

IEC 60358-1 , Coupling capacitors and capacitor dividers – Part 1: General rules

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

IEC 60358-3 , Coupling capacitors and capacitor dividers – Part 3: AC or DC single-phase

coupling capacitor for harmonic-filters applications

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)
___________
To be published.
To be published.
Under consideration.
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
value of
...