High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers (IEC 62271-100:2008/A2:2017)

The contents of the corrigendum 1 of January 2018 have been included in this copy.

Hochspannungs-Schaltgeräte und -Schaltanlagen - Teil 100: Wechselstrom-Leistungsschalter (IEC 62271-100:2008/A2:2017)

Appareillage à haute tension - Partie 100: Disjoncteurs à courant alternatif (IEC 62271-100:2008/A2:2017)

Le contenu du corrigendum 1 de janvier 2018 a été pris en considération dans cet exemplaire.

Visokonapetostne stikalne in krmilne naprave - 100. del: Izmenični odklopniki - Dopolnilo A2 (IEC 62271-100:2008/A2:2017)

General Information

Status
Published
Publication Date
10-Sep-2017
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
06-Sep-2017
Due Date
11-Nov-2017
Completion Date
11-Sep-2017

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SLOVENSKI STANDARD
SIST EN 62271-100:2009/A2:2017
01-november-2017
9LVRNRQDSHWRVWQHVWLNDOQHLQNUPLOQHQDSUDYHGHO,]PHQLþQLRGNORSQLNL
'RSROQLOR$ ,(&$

High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers

(IEC 62271-100:2008/A2:2017)
Hochspannungs-Schaltgeräte und -Schaltanlagen - Teil 100: Wechselstrom-
Leistungsschalter (IEC 62271-100:2008/A2:2017)

Appareillage à haute tension - Partie 100: Disjoncteurs à courant alternatif (IEC 62271-

100:2008/A2:2017)
Ta slovenski standard je istoveten z: EN 62271-100:2009/A2:2017
ICS:
29.130.10 Visokonapetostne stikalne in High voltage switchgear and
krmilne naprave controlgear
SIST EN 62271-100:2009/A2:2017 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 62271-100:2009/A2:2017
---------------------- Page: 2 ----------------------
SIST EN 62271-100:2009/A2:2017
EUROPEAN STANDARD EN 62271-100:2009/A2
NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2017
ICS 29.130.10
English Version
High-voltage switchgear and controlgear - Part 100: Alternating-
current circuit-breakers
(IEC 62271-100:2008/A2:2017)

Appareillage à haute tension - Partie 100: Disjoncteurs à Hochspannungs-Schaltgeräte und -Schaltanlagen - Teil

courant alternatif 100: Wechselstrom-Leistungsschalter
(IEC 62271-100:2008/A2:2017) (IEC 62271-100:2008/A2:2017)

This amendment A2 modifies the European Standard EN 62271-100:2009; it was approved by CENELEC on 2017-07-20. CENELEC

members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment 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 amendment 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, Serbia, 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

© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 62271-100:2009/A2:2017 E
---------------------- Page: 3 ----------------------
SIST EN 62271-100:2009/A2:2017
EN 62271-100:2009/A2:2017
European foreword

The text of document 17A/1135/FDIS, future edition of IEC 62271-100:2009/A2, prepared by SC

17A "High-voltage switchgear and controlgear" of IEC/TC 17 "Switchgear and controlgear" was

submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62271-
100:2009/A2:2017.
The following dates are fixed:
• latest date by which the document has to be (dop) 2018-04-20
implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2020-07-20
• latest date by which the national
standards conflicting with the
document have to be withdrawn

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

Endorsement notice

The text of the International Standard IEC 62271-100:2009/A2:2017 was approved by CENELEC as a

European Standard without any modification.
---------------------- Page: 4 ----------------------
SIST EN 62271-100:2009/A2:2017
EN 62271-100:2009/A2:2017
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 60137 2008 Insulated bushings for alternating voltages EN 60137 2008
above 1 000 V
IEC 60270 - High-voltage test techniques - Partial EN 60270 -
discharge measurements
---------------------- Page: 5 ----------------------
SIST EN 62271-100:2009/A2:2017
---------------------- Page: 6 ----------------------
SIST EN 62271-100:2009/A2:2017
IEC 62271-100
Edition 2.0 2017-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
A MENDMENT 2
AM ENDEMENT 2
High-voltage switchgear and controlgear –
Part 100: Alternating-current circuit-breakers
Appareillage à haute tension –
Partie 100: Disjoncteurs à courant alternatif
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.130.10 ISBN 978-2-8322-4357-2

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
---------------------- Page: 7 ----------------------
SIST EN 62271-100:2009/A2:2017
– 2 – IEC 62271-100:2008/AMD2:2017
© IEC 2017
FOREWORD
This amendment has been prepared by subcommittee 17A: Switching devices, of IEC
technical committee 17: High-voltage switchgear and controlgear.
The text of this amendment is based on the following documents:
FDIS Report on voting
17A/1135/FDIS 17A/1139/RVD

Full information on the voting for the approval of this amendment can be found in the report

on voting indicated in the above table.

The committee has decided that the contents of this amendment and the base 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.
_____________
INTRODUCTION to the Amendment
This amendment includes the following significant technical changes:
– the rated TRV has been replaced by a rated first-pole-to-clear factor;

– the rated time quantities have been moved to Clause 5 (Design and construction) and are

no longer ratings. The determination of the break time has been moved to IEC 62271-306;

– the number of test specimens has been removed;
– new test procedure for test-duty T100a;

– TRVs for circuit-breakers having a rated voltage of 52 kV and below used in effectively

earthed neutral systems have been added;
– 6.111 (capacitive current switching) has been rewritten;
– a number of informative annexes have been moved to IEC TR 62271-306.
_____________
---------------------- Page: 8 ----------------------
SIST EN 62271-100:2009/A2:2017
IEC 62271-100:2008/AMD2:2017 – 3 –
© IEC 2017
1.1 Scope
Add, after the third existing paragraph, the following paragraph:
This standard only covers direct testing.
1.2 Normative references

Replace, in the existing list, the reference to IEC 60137 by the following new reference:

IEC 60137:2008, Insulated bushings for alternating voltages above 1 000 V
Add, to the existing list, the following reference:
IEC 60270, High-voltage test techniques – Partial discharge measurements
3 Terms and definitions
3.1.132
cable system

Replace the existing references to "Table 1" (2 occurrences) to "Tables 24 and 44".

3.1.133
line system

Replace the existing definition by the following new definition, without modifying the notes.

system in which the TRV during breaking of terminal fault at 100 % of short-circuit breaking

current does not exceed the two-parameter envelope derived from Tables 25 and 45 of this

standard

Add, after the existing definition 3.1.133, the following new terms and definitions:

3.1.134
belted cable

multi-conductor cable in which part of the insulation is applied to each conductor individually,

and the remainder is applied over the assembled cores
[IEV 461-06-11]
3.1.135
individually screened cable
radial field cable
cable in which each core is covered with an individual screen
[IEV 461-06-12]
3.4.120
circuit-breaker class S2
Replace the existing definition by the following new definition:
circuit-breaker used in a line-system
Add, after definition 3.4.120, the following new term and definition:
---------------------- Page: 9 ----------------------
SIST EN 62271-100:2009/A2:2017
– 4 – IEC 62271-100:2008/AMD2:2017
© IEC 2017
3.4.121
current chopping

current interruption prior to the natural power frequency current zero of the circuit connected

3.7.133
opening time
Replace the existing term, definition and notes as follows:
opening time (of a mechanical switching device)
[IEV 441-17-36]
3.7.134
arcing time (of a multipole switching device)
Replace the existing term, definition and source as follows:
arcing time (of a pole)

interval of time between the instant of the initiation of an arc in a pole and the instant of final

arc extinction in that pole
[IEV 441-17-37]
3.7.135
break-time
Replace the existing definition by the following:

interval of time between the beginning of the opening time of a mechanical switching device

and the end of the total arcing time
[IEV 441-17-39, modified]
3.7.136
closing time
Add, after the existing definition, the following new source:
[IEV 441-17-41, modified]
3.7.137
make time
Replace the source of the definition as follows:
[IEV 441-17-40, modified]
3.7.140
dead time (during auto-reclosing)
Add, after the existing note, the following source:
[IEV 441-17-44, modified]
3.7.144
make-break time
Replace the existing definition together with the notes by the following:

interval of time between the initiation of current flow in the first pole during a closing operation

and the end of the total arcing time during the subsequent opening operation
---------------------- Page: 10 ----------------------
SIST EN 62271-100:2009/A2:2017
IEC 62271-100:2008/AMD2:2017 – 5 –
© IEC 2017
[IEV 441-17-43, modified]
3.7.159
minimum clearing time
Replace the definition and note as follows:

sum of the minimum opening time, minimum relay time (0,5 cycle) and the shortest arcing

time of a minor loop interruption in the phase with intermediate asymmetry that starts with a

minor loop at short-circuit current initiation

NOTE 1 This definition is applicable only for the determination of the test parameters during short-circuit breaking

tests according to test duty T100a.

NOTE 2 For testing purposes the minimum arcing time found during test-duty T100s is used.

Add, after the existing definition 3.7.160 added by Amendment 1, the following new terms and

definitions:
3.7.161
initiation of (opening or closing) operation
instant of receipt of command for operation at the control circuit
3.7.162
total arcing time

interval of time between the instant of the first initiation of an arc in a pole and the instant of

arc extinction in all poles
3.7.163
direct connection to an overhead line

connection between a circuit-breaker and an overhead line having a capacitance less than

5 nF

NOTE When the cable capacitance per unit length is 0,3 nF/m, it corresponds to a length of cable shorter than

approximately 17 m. For further information see IEC TR 62271-306.
3.8 Index of definitions
Add, to the existing alphabetical list, the following new lines:

belted cable .................................................................................................................. 3.1.134

current chopping ........................................................................................................... 3.4.121

direct connection to an overhead line ............................................................................ 3.7.163

individually screened cable ........................................................................................... 3.1.135

initiation of (opening or closing) operation ..................................................................... 3.7.161

total arcing time ............................................................................................................ 3.7.162

4 Ratings
Replace item l) by the following new item:
l) rated first-pole-to-clear factor;
Replace the existing item o) by the following new item:
---------------------- Page: 11 ----------------------
SIST EN 62271-100:2009/A2:2017
– 6 – IEC 62271-100:2008/AMD2:2017
© IEC 2017
o) void.
Replace item q) by the following new item:

q) rated line-charging breaking current, for circuit-breakers switching overhead transmission

lines (mandatory for circuit-breakers of rated voltages above 52 kV and circuit-breakers of

class S2);

Delete the existing item r) from the end of the second existing list, and place it at the

beginning of the third existing list before item s).
4.10 Rated pressures of compressed gas supply for insulation, operation and/or
interruption
Replace the title by the following:
4.10 Rated pressure of compressed gas supply for controlled pressure systems
Add, between subclauses 4.10 and 4.101, the following new subclause 4.11:
4.11 Rated filling levels for insulation and/or operation
Subclause 4.11 of IEC 62271-1 is applicable.
4.101 Rated short-circuit breaking current (I )

Replace, in the first paragraph, "4.102" by "6.104.5.1" and "4.105" by "6.109.3".

4.102 Transient recovery voltage related to the rated short-circuit breaking current

Replace the complete subclause modified by Amendment 1 including Tables 1 to 7 by the

following:
4.102 Rated first-pole-to-clear factor

The first-pole-to-clear factor (k ) is a function of the earthing of the system neutral. The rated

values of k are:

– 1,2 for terminal fault breaking by circuit-breakers with rated voltages higher than 800 kV in

effectively earthed neutral systems;

– 1,3 for terminal fault breaking by circuit-breakers for rated voltages up to and including

800 kV in effectively earthed neutral systems;

– 1,5 for terminal fault breaking by circuit-breakers for rated voltages less than 245 kV in

non-effectively earthed neutral systems.

In this standard, it is considered that circuit-breakers with rated voltages up to and including

170 kV can be either in effectively earthed neutral systems or in non-effectively earthed

neutral systems. Circuit-breakers with rated voltages higher than 170 kV are in effectively-

earthed systems.

NOTE The following associated first-pole-to-clear factors for out-of-phase conditions are not ratings:

– 2,0 for breaking in out-of-phase conditions in systems with effectively earthed neutral;

– 2,5 for breaking in out-of-phase conditions in systems with non-effectively earthed neutral.

4.105 Characteristics for short-line faults

Replace the title and text modified by Amendment 1 of the complete subclause, including

Table 8, by the following:
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SIST EN 62271-100:2009/A2:2017
IEC 62271-100:2008/AMD2:2017 – 7 –
© IEC 2017
4.105 Short-line fault breaking capability

A short-line fault breaking capability is required for circuit-breakers with a rated short-circuit

breaking current exceeding 12,5 kA for direct connection to overhead lines.
4.106 Rated out-of-phase making and breaking current
Replace the existing text by the following:

The rated out-of-phase breaking current is the maximum out-of-phase current that the circuit-

breaker shall be capable of breaking under the conditions of use and behaviour prescribed in

this standard in a circuit having a recovery voltage as specified below.

The specification of a rated out-of-phase making and breaking current is not mandatory.

If a rated out-of-phase breaking current is assigned, the rated out-of-phase breaking current

shall be 25 % of the rated short-circuit breaking current and the rated out-of-phase making

current shall be the crest value of the rated out-of-phase breaking current, unless otherwise

specified.

The standard conditions of use with respect to the rated out-of-phase making and breaking

current are as follows:

– opening and closing operations carried out in conformity with the instructions given by the

manufacturer for the operation and proper use of the circuit-breaker and its auxiliary

equipment;

– earthing condition of the neutral for the power system corresponding to that for which the

circuit-breaker has been tested;
– absence of a fault on either side of the circuit-breaker.
4.107.1 Rated line-charging breaking current
Replace the text by the following:

The rated line-charging breaking current is the line-charging current up to which the circuit-

breaker shall be capable of breaking at its rated voltage under the conditions of use and

behaviour prescribed in this standard. The associated restrike class (C1 or C2) shall be

assigned when a line-charging breaking current is assigned.
4.107.2 Rated cable-charging breaking current
Replace the text by the following:

The rated cable-charging breaking current is the cable-charging current up to which the

circuit-breaker shall be capable of breaking at its rated voltage under the conditions of use

and behaviour prescribed in this standard. The associated restrike class (C1 or C2) shall be

assigned when a cable-charging breaking current is assigned.
4.107.3 Rated single capacitor bank breaking current
Replace the first paragraph by the following:

The rated single capacitor bank breaking current is the single capacitor bank breaking current

up to which the circuit-breaker shall be capable of breaking at its rated voltage under the

conditions of use and behaviour prescribed in this standard. This breaking current refers to

the switching of a shunt capacitor bank where no shunt capacitors are connected to the

source side of the circuit-breaker. The associated restrike class (C1 or C2) shall be assigned

when a single capacitor bank breaking current is assigned.
---------------------- Page: 13 ----------------------
SIST EN 62271-100:2009/A2:2017
– 8 – IEC 62271-100:2008/AMD2:2017
© IEC 2017
Table 9 – Preferred values of rated capacitive switching currents
In NOTE 2 to the table replace "Annex H" by "IEC TR 62271-306".
4.107.4 Rated back-to-back capacitor bank breaking current
Replace the first paragraph by the following:

The rated back-to-back capacitor bank breaking current is the back-to-back capacitor bank

current up to which the circuit-breaker shall be capable of breaking at its rated voltage under

the conditions of use and behaviour prescribed in this standard. The associated restrike class

(C1 or C2) shall be assigned when a back-to-back capacitor bank breaking current is

assigned.
4.107.6 Rated back-to-back capacitor bank inrush making current
Replace the existing text by the following:

The rated back-to-back capacitor bank inrush making current is the peak value of the current

that the circuit-breaker shall be capable of making at its rated voltage and with a frequency of

the inrush current during a simultaneous three-phase making operation (see Table 9).

4.109 Rated time quantities

Replace the title and text of the subclause, including 4.109.1 modified by Amendment 1, by

the following:
4.109 Void.

Delete the entire subclause and title, including 4.109.1 modified by Amendment 1.

5.4 Auxiliary equipment
Delete, in the second dashed paragraph and in Note 2 the word "rated".
5.5 Dependent power closing
Replace the title by the following:
5.5 Dependent power operation
5.6 Stored energy closing
Replace the title by the following:
5.6 Stored energy operation
5.7 Independent manual operation
Replace the title by the following:
5.7 Independent manual or power operation
5.101 Requirements for simultaneity of poles during single closing and single
opening operations
Replace the entire text of this subclause by the following:
---------------------- Page: 14 ----------------------
SIST EN 62271-100:2009/A2:2017
IEC 62271-100:2008/AMD2:2017 – 9 –
© IEC 2017

The following requirements are applicable under rated conditions of the auxiliary and control

voltage and pressure for operation:

– The maximum difference between the instants of contacts touching during closing in the

individual poles shall not exceed a quarter of a cycle of rated frequency. If one pole

consists of more than one interrupter unit connected in series, the maximum difference

between the instants of contacts touching within these series connected interrupter units

shall not exceed one sixth of a cycle of rated frequency. Where closing resistors are used,

the maximum difference between the instants of contacts touching during closing in the

individual closing resistors shall not exceed one half cycle of rated frequency. If on one

pole more than one individual closing resistor is used, each assigned to one of the

interrupter units which are connected in series, the maximum difference between the

instants of contacts touching within these series connected closing resistors shall not

exceed one third of a cycle of rated frequency;

– The maximum difference between the instants of contacts separating during opening shall

not exceed one sixth of a cycle of rated frequency. If one pole consists of more than one

interrupter unit connected in series, the maximum difference between the instants of

contact separation within these series connected interrupter units shall not exceed one

eighth of a cycle of rated frequency.

NOTE For a circuit-breaker having separate poles, the requirement is applicable when these operate in the same

conditions; after a single-pole reclosing operation the conditions of operation for the three mechanisms may not be

the same.
Add, after 5.104, the new subclauses and the new table as follows:
5.105 Time quantities
Refer to Figures 1, 2, 3, 4, 5, 6 and 7.
Values may be assigned to the following time quantities:
– opening time (no-load);
– break-time;
– closing time (no-load);
– open-close time (no-load);
– reclosing time (no-load);
– close-open time (no-load);
– pre-insertion time (no-load).
Time quantities are based on

– rated supply voltages of closing and opening devices and of auxiliary and control circuits

(see 4.8);

– rated supply frequency of closing and opening devices and of auxiliary circuits (see 4.9);

– rated pressure of compressed gas supply for controlled pressure systems (see 4.10);

– rated filling levels for insulation and/or operation (see 4.11);
– an ambient air temperature of 20 °C ± 5 °C.

NOTE 1 It is not practical to assign a value of make-time or of make-break time due to the variation of the arcing

time and the pre-arcing time.

NOTE 2 The break-time is determined using the calculation method given in IEC TR 62271-306 [4].

5.106 Static mechanical loads

Outdoor circuit-breakers shall be designed to withstand and operate correctly when

mechanically loaded by stresses resulting from ice, wind and connected conductors. If

required, this capability is demonstrated by means of calculations.
---------------------- Page: 15 ----------------------
SIST EN 62271-100:2009/A2:2017
– 10 – IEC 62271-100:2008/AMD2:2017
© IEC 2017

Ice coating and wind pressure on the circuit-breaker shall be in accordance with 2.1.2 of

IEC 62271-1.

Some examples of static forces due to wind, ice and weight on flexible and tubular connected

conductors are given as a guidance in Table 14.

The tensile force due to the connected conductors is assumed to act at the outermost end of

the circuit-breaker terminal.
The manufacturer shall consider that these forces can be applied simultaneously.

Table 14 – Examples of static horizontal and vertical forces for static terminal load test

Rated voltage Rated current Static horizontal force Static vertical force
range range F
Longitudinal Transversal
U I F
r r tv
F F
thA thB
kV A N N N
800 to 1 250 500 400 500
< 100
< 100 1 600 to 2 500 750 500 750
100 to 170 1 250 to 2 000 1 000 750 750
100 to 170 2 500 to 4 000 1 250 750 1 000
245 to 362 1 600 to 4 000 1 250 1 000 1 250
420 to 800 2 000 to 4 000 1 750 1 250 1 500
1 100 to 1 200 4 000 to 6 300 3 500 3 000 2 500
6 Type tests

Move the text currently under 6 (including Table 11 modified by Amendment 1) between 6.1

and 6.1.1.

Delete, in the second paragraph, the second sentence "The number of test samples...".

Replace the fifth paragraph starting with “The uncertainty…..” and the note by the following:

The expanded uncertainty of a complete measuring system for determination of the ratings

(for example short-circuit current, applied voltage and recovery voltage) shall be ≤ 5 %,

evaluated with a coverage probability of 95 % corresponding to a coverage factor k = 2 under

the assumption of a normal distribution.

NOTE Procedures for the determination of the uncertainty of measurements are given in ISO/IEC Guide 98-3 [6].

Add, before Table 11 modified by Amendment 1, the following paragraph:

If the circuit-breaker can be equipped with other operating mechanisms, complete type tests

according to Table 11 shall be performed on the circuit-breaker equipped with one type of

operating mechanism. The other operating mechanisms are considered being alternative

operating mechanisms as defined in 3.5.126, provided they fulfil the related requirements as

defined in 6.102.7. Tests to be repeated for alternative mechanisms are defined in 6.1.102.

Table 11 – Type tests
Replace the table, modified by Amendment 1, by the following:
---------------------- Page: 16 ----------------------
SIST EN 62271-100:2009/A2:2017
IEC 62271-100:2008/AMD2:2017 – 11 –
© IEC 2017
Mandatory type tests Subclauses
Dielectric tests 6.2
Measurement of the resistance of the main circuit 6.4
Temperature-rise tests 6.5
Short-time withstand current and peak withstand current tests 6.6
Additional tests on auxiliary and control circuits 6.10
Mechanical operation test at ambient temperature (class M1) 6.101.2.1 to
6.101.2.3
Short-circuit current making and breaking tests 6.102 to 6.106
Type tests depending on requirements Condition requiring type test Subclauses
Radio interference voltage tests U ≥ 245 kV 6.3
Verification of the degree of protection Assigned IP class 6.7
Tightness test 6.8
Controlled, sealed or closed pressure
systems
EMC tests Electronic equipment or components are 6.9
included in the secondary system
X-ray radiation test Vacuum circuit-breaker 6.11

Extended mechanical endurance tests on circuit- Class M2 rating assigned 6.101.2.4

breakers for special service conditions
Low and high temperature tests As required 6.101.3
Humidity test Insulation subject to voltage stress and 6.101.4
condensation
Critical current tests Circuit-breaker performance against 6.107
conditions in 6.107.1
Short-line fault tests 6.109
U ≥ 15kV and I > 12,5 kA, in case of
r sc
direct connection to overhead lines
Out-of-phase making and breaking tests Out-of-phase rating assigned 6.110
Electrical endurance tests (only for U ≤ 52kV ) Class E2 rating assigned 6.112

Test to prove operation under severe ice Outdoor circuit-breakers with moving 6.101.5

conditions external parts and ice thickness 10 mm /
20mm
Single-phase fault test Effectively earthed neutral systems
6.108
Double earth fault test Non-effectively earthed neutral systems
Capacitive current switching tests:
– line-charging current breaking tests
Relevant rating and classification (C1 or
– cable-charging current breaking tests
6.111
C2) assigned
– single capacitor bank switching tests
– back-to-back capacitor bank switching tests
Switching of shunt reactors and motors As specified IEC 62271-110

Mandatory type tests, shown in the upper part of the table, are required for all circuit-breakers regardless of rated

voltage, design or intended use. Other type tests, shown in the lower part of the table, are required for all circuit-

breakers where the associated rating is specified, e.g. out-of-phase switching, or where a specific condition is

met, for example RIV is required only for rated voltages of 245 kV and above.
Add, after Table 12, the following new subclause:

6.1.102 Type tests to repeat for circuit-breakers with alternative operating mechanisms

The following type tests shall be repeated on circuit-breaker
...

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