SIST EN 60871-1:2014

SLOVENSKI STANDARD
SIST EN 60871-1:2014
01-oktober-2014
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Shunt capacitors for A.C. power systems having a rated voltage above 1000 V - Part 1:
General
Ta slovenski standard je istoveten z: EN 60871-1:2014
ICS:
31.060.70 0RþQRVWQLNRQGHQ]DWRUML Power capacitors
SIST EN 60871-1:2014 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 60871-1:2014

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SIST EN 60871-1:2014


EUROPEAN STANDARD EN 60871-1

NORME EUROPÉENNE

EUROPÄISCHE NORM
August 2014
ICS 31.060.70; 29.240.99 Supersedes EN 60871-1:2005
English Version
Shunt capacitors for a.c. power systems having a rated voltage
above 1 000 V - Part 1: General
(IEC 60871-1:2014)
Condensateurs shunt pour réseaux à courant alternatif de Parallelkondensatoren für Wechselspannungs-
tension assignée supérieure à 1 000 V - Starkstromanlagen mit einer Nennspannung über 1 kV -
Partie 1: Généralités Teil 1: Allgemeines
(CEI 60871-1:2014) (IEC 60871-1:2014)
This European Standard was approved by CENELEC on 2014-06-26. 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.


European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 60871-1:2014 E

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SIST EN 60871-1:2014
EN 60871-1:2014 - 2 -

Foreword
The text of document 33/559/FDIS, future edition 4 of IEC 60871-1, prepared by IEC/TC 33 "Power
capacitors and their applications" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN 60871-1:2014.

The following dates are fixed:
• latest date by which the document has to be (dop) 2015-03-26
implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2017-06-26
• latest date by which the national
standards conflicting with the
document have to be withdrawn

This document supersedes EN 60871-1:2005.

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.

Endorsement notice
The text of the International Standard IEC 60871-1:2014 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 60038:2009 NOTE Harmonized as EN 60038:2011 (modified).
IEC 60071-2:1996 NOTE Harmonized as EN 60071-2:1997 (not modified).
IEC 60099 Series NOTE Harmonized as EN 60099 Series (partly modified).
IEC 60110-1 NOTE Harmonized as EN 60110-1.
IEC 60143 Series NOTE Harmonized as EN 60143 Series (not modified).
IEC 60252 Series NOTE Harmonized as EN 60252 Series (not modified).
IEC 60358 Series NOTE Harmonized as EN 60358 Series (not modified).
IEC 60831 Series NOTE Harmonized as EN 60831 Series (not modified).
IEC 60931 Series NOTE Harmonized as EN 60931 Series (not modified).
IEC 61048 NOTE Harmonized as EN 61048.
IEC 61049 NOTE Harmonized as EN 61049.
IEC 61071 NOTE Harmonized as EN 61071.
IEC 61270-1 NOTE Harmonized as EN 61270-1.
IEC 61642 NOTE Harmonized as EN 61642.

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SIST EN 60871-1:2014
- 3 - EN 60871-1:2014
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 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.

NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.

Publication Year Title EN/HD Year

IEC 60060-1 -  High-voltage test techniques - EN 60060-1 -
Part 1: General definitions and test
requirements
IEC 60071-1 2006 Insulation co-ordination - EN 60071-1 2006
Part 1: Definitions, principles and rules
IEC 60549 -  High-voltage fuses for the external EN 60549 -
protection of shunt capacitors
IEC/TS 60815 series Selection and dimensioning -
of high-voltage insulators intended
for use in polluted conditions
1)
IEC 60871-4 1996 Shunt capacitors for a.c. power systems EN 60871-4
1996
having a rated voltage above 1000 V -
Part 4: Internal fuses


1) EN 60871-4:1996 is superseded by EN 60871-4:2014, which is based on IEC 60871-4:2014.

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SIST EN 60871-1:2014

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SIST EN 60871-1:2014




IEC 60871-1

®


Edition 4.0 2014-05




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE
colour

inside










Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V –

Part 1: General




Condensateurs shunt pour réseaux à courant alternatif de tension assignée

supérieure à 1 000 V –

Partie 1: Généralités















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE

PRICE CODE
INTERNATIONALE

CODE PRIX XA


ICS 29.240.99; 31.060.70 ISBN 978-2-8322-1580-7



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 60871-1:2014
– 2 – IEC 60871-1:2014 © IEC 2014
CONTENTS

FOREWORD . 6
1 Scope . 8
2 Normative references . 9
3 Terms and definitions . 9
4 Service conditions . 12
4.1 Normal service conditions . 12
4.2 Unusual service conditions . 13
5 Quality requirements and tests . 13
5.1 General . 13
5.2 Test conditions . 13
6 Classification of tests. 13
6.1 General . 13
6.2 Routine tests. 13
6.3 Type tests . 14
6.4 Acceptance tests . 14
6.5 Endurance test (special test) . 14
7 Capacitance measurement (routine test). 14
7.1 Measuring procedure . 14
7.2 Capacitance tolerances . 15
8 Measurement of the tangent of the loss angle (tan δ) of the capacitor (routine test) . 15
8.1 Measuring procedure . 15
8.2 Loss requirements . 16
8.3 Losses in external fuses . 16
9 Voltage test between terminals (routine test) . 16
9.1 General . 16
9.2 AC test . 16
9.3 DC test . 16
10 AC voltage test between terminals and container (routine test) . 16
11 Test of internal discharge device (routine test) . 17
12 Sealing test (routine test) . 17
13 Thermal stability test (type test) . 17
13.1 General . 17
13.2 Measuring procedure . 17
14 Measurement of the tangent of the loss angle (tan δ) of the capacitor at elevated
temperature (type test) . 18
14.1 Measuring procedure . 18
14.2 Requirements . 18
15 Voltage tests between terminals and container (type tests) . 19
15.1 AC voltage test between terminals and container . 19
15.2 Lightning impulse test between terminals and container . 19
16 Overvoltage test (type test) . 20
16.1 General . 20
16.2 Conditioning of the sample before the test . 20
16.3 Test procedure . 20

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SIST EN 60871-1:2014
IEC 60871-1:2014 © IEC 2014 – 3 –
16.4 Acceptance criteria . 21
16.5 Validity of test . 21
16.5.1 General . 21
16.5.2 Element design . 21
16.5.3 Test unit design . 21
16.5.4 Waveform of overvoltage . 21
17 Short-circuit discharge test (type test) . 22
18 Insulation levels . 22
18.1 Standard insulation values . 22
18.2 General requirements . 23
18.2.1 General . 23
18.2.2 Adjacent insulating components and equipment . 23
18.2.3 Capacitors insulated from ground . 23
18.2.4 Capacitors with neutral connected to ground . 23
18.3 Test between terminals and container of capacitor units . 24
18.4 Capacitors in single-phase systems . 24
19 Overloads – Maximum permissible voltage . 27
19.1 Long duration voltages . 27
19.2 Switching overvoltages . 27
20 Overloads – Maximum permissible current. 27
21 Safety requirements for discharge devices . 28
22 Safety requirements for container connections . 28
23 Safety requirements for protection of the environment . 28
24 Other safety requirements . 28
25 Markings of the capacitor unit . 29
25.1 Rating plate . 29
25.2 Standardized connection symbols . 29
25.3 Warning plate . 29
26 Markings of the capacitor bank . 30
26.1 Instruction sheet or rating plate . 30
26.2 Warning plate . 30
27 Guide for installation and operation . 30
27.1 General . 30
27.2 Choice of the rated voltage . 30
27.3 Operating temperature . 31
27.3.1 General . 31
27.3.2 Installation . 31
27.3.3 High ambient air temperature. 32
27.4 Special service conditions . 32
27.5 Overvoltages . 32
27.5.1 General . 32
27.5.2 Restriking of switches . 33
27.5.3 Lightning . 33
27.5.4 Motor self-excitation . 33
27.5.5 Star-delta starting . 33
27.5.6 Capacitor unit selection . 33
27.6 Overload currents . 33

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SIST EN 60871-1:2014
– 4 – IEC 60871-1:2014 © IEC 2014
27.6.1 Continuous overcurrents . 33
27.6.2 Transient overcurrents . 34
27.7 Switching and protective devices . 34
27.7.1 Withstand requirements . 34
27.7.2 Restrike-free circuit-breakers . 35
27.7.3 Relay settings . 35
27.8 Choice of insulation levels . 36
27.8.1 General . 36
27.8.2 Altitudes exceeding 1 000 m . 36
27.8.3 Influence of the capacitor itself . 36
27.8.4 Overhead ground wires . 38
27.9 Choice of creepage distances and air clearance . 38
27.9.1 Creepage distance . 38
27.9.2 Air clearances. 39
27.10 Capacitors connected to systems with audio-frequency remote control . 41
Annex A (normative) Precautions to be taken to avoid pollution of the environment by
polychlorinated biphenyls . 42
Annex B (normative) Additional definitions, requirements and tests for power filter
capacitors . 43
Annex C (normative) Test requirements and application guide for external fuses and
units to be externally fused . 45
C.1 General . 45
C.2 Terms and definitions . 45
C.3 Performance requirements . 45
C.4 Tests . 45
C.4.1 Tests on fuses . 45
C.4.2 Type tests on capacitor containers . 45
C.5 Guide for coordination of fuse protection . 46
C.5.1 General . 46
C.5.2 Protection sequence . 46
C.6 Choice of fuses . 46
C.6.1 General . 46
C.6.2 Non current-limiting fuses . 47
C.6.3 Current-limiting fuses. 47
C.7 Information needed by the user of the fuses . 47
Annex D (informative) Formulae for capacitors and installations . 48
D.1 Computation of the output of three-phase capacitors from three single-phase
capacitance measurements . 48
D.2 Resonant frequency . 48
D.3 Voltage increase . 48
D.4 Inrush transient current . 49
D.4.1 Switching in of single capacitor bank . 49
D.4.2 Switching on of a bank in parallel with energized bank(s) . 49
D.5 Discharge resistance in single-phase unit . 49
D.6 Discharge time to 10 % of rated voltage . 49
Annex E (informative) Capacitor bank fusing and unit arrangement. 51
E.1 General . 51
E.2 Internally fused capacitor bank . 51
E.3 Externally fused capacitor bank . 51

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SIST EN 60871-1:2014
IEC 60871-1:2014 © IEC 2014 – 5 –
E.4 Fuseless capacitor bank . 51
Bibliography . 54

Figure 1 – Time and amplitude limits for an overvoltage period . 22
Figure 2 – Bank isolated from ground . 37
Figure 3 – Bank isolated from ground (containers connected to ground) . 37
Figure 4 – Bank connected to ground . 38
Figure 5 – Air clearance versus AC withstand . 41
Figure E.1 – Typical connections between capacitor units . 52
Figure E.2 – Typical connections between elements within a capacitor unit . 53

Table 1 – Letter symbols for upper limit of temperature range . 12
Table 2 – Ambient air temperature for the thermal stability test . 18
Table 3 – Standard insulation levels for range I (1 kV < U <245 kV) . 25
m
Table 4 – Standard insulation levels for range II (U > 245 kV) . 26
m
Table 5 – Admissible voltage levels in service . 27
Table 6 – Insulation requirements . 36
Table 7 – Specific creepage distances . 38
Table 8 – Correlation between standard lightning impulse withstand voltages and
minimum air clearances (Table A.1 from IEC 60071-2:1996) . 40

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SIST EN 60871-1:2014
– 6 – IEC 60871-1:2014 © IEC 2014
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

SHUNT CAPACITORS FOR AC POWER SYSTEMS
HAVING A RATED VOLTAGE ABOVE 1 000 V –

Part 1: General

FOREWORD
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