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IEC 62271-111
Edition 3.0 2019-02
™
INTERNATIONAL IEEE Std C37.60
STANDARD
NORME
INTERNATIONALE
colour
inside
High-voltage switchgear and controlgear –
Part 111: Automatic circuit reclosers for alternating current systems up to and
including 38 kV
Appareillage à haute tension –
Partie 111: Disjoncteurs à réenclenchement de circuit automatique pour
systèmes en courant alternatif jusqu'à 38 kV compris
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IEC 62271-111
Edition 3.0 2019-02
IEEE Std C37.60™
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
High-voltage switchgear and controlgear –
Part 111: Automatic circuit reclosers for alternating current systems up to and
including 38 kV
Appareillage à haute tension –
Partie 111: Disjoncteurs à réenclenchement de circuit automatique pour
systèmes en courant alternatif jusqu'à 38 kV compris
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.130.10 ISBN 978-2-8322-4991-8
– 2 – IEC 62271-111 © IEC 2019
IEEE Std C37.60-2018
CONTENTS
FOREWORD . 11
1 Scope . 14
2 Normative references . 14
3 Terms and definitions . 15
3.1 General terms . 15
3.2 Assemblies of switchgear and controlgear . 18
3.3 Parts of assemblies . 18
3.4 Switching devices . 18
3.5 Parts of switchgear and controlgear . 18
3.6 Operation . 18
3.7 Characteristic quantities . 18
3.8 Index of definitions . 20
4 Normal and special service conditions . 20
4.1 Normal service conditions . 20
4.1.1 General . 20
4.1.2 Indoor switchgear and controlgear . 20
4.1.3 Outdoor switchgear and controlgear . 20
4.2 Special service conditions . 21
4.2.1 General . 21
4.2.2 Altitude . 21
4.2.3 Exposure to pollution . 21
4.2.4 Temperature and humidity . 21
4.2.5 Exposure to abnormal vibrations, shock or tilting . 22
4.2.6 Wind speed . 22
4.2.7 Other parameters . 22
5 Ratings . 22
5.1 General . 22
5.2 Rated voltage (U ) . 23
r
5.3 Rated insulation level . 23
5.4 Rated frequency (f ) . 25
r
5.5 Rated continuous current (I ) . 25
r
5.6 Rated short-time withstand current (I ) . 25
k
5.7 Rated peak withstand current (I ) . 25
p
5.8 Rated duration of short-circuit (t ) . 26
k
5.9 Rated supply voltage of auxiliary and control circuits (U ) . 26
a
5.9.1 General . 26
5.9.2 Rated supply voltage (U ) . 26
a
5.10 Rated supply frequency of auxiliary and control circuits . 27
5.11 Rated pressure of compressed gas supply for controlled pressure systems . 27
5.101 Rated minimum tripping current (I ) . 27
>min
5.102 Rated short-circuit breaking current (I ) . 27
sc
5.103 Rated short-circuit making current . 28
5.104 Rated operating sequence . 28
5.105 Rated first-pole-to-clear factor . 28
5.106 Rated line- (I ) and cable-charging (I )interrupting currents . 28
l C
6 Design and construction . 29
Published by IEC under licence from IEEE. © 2019 IEEE. All rights reserved.
IEC 62271-111 © IEC 2019 – 3 –
IEEE Std C37.60-2018
6.1 Requirements for liquids in switchgear and controlgear . 29
6.2 Requirements for gases in switchgear and controlgear . 29
6.3 Earthing of switchgear and controlgear . 29
6.4 Auxiliary and control equipment . 30
6.4.1 General . 30
6.4.2 Protection against electric shock . 30
6.4.3 Components installed in enclosures . 30
6.5 Dependent power operation . 31
6.6 Stored energy operation. 31
6.6.1 General . 31
6.6.2 Energy storage in gas receivers or hydraulic accumulators . 32
6.6.3 Energy stored in springs (or weights) . 32
6.6.4 Manual charging . 32
6.6.5 Motor charging . 32
6.6.6 Energy storage in capacitors . 32
6.7 Independent unlatched operation (independent manual or power operation) . 32
6.8 Manually operated actuators . 33
6.9 Operation of releases. 33
6.9.1 General . 33
6.9.2 Shunt closing release . 33
6.9.3 Shunt opening release . 33
6.9.4 Capacitor operation of shunt releases . 33
6.9.5 Under-voltage release . 33
6.10 Pressure/level indication . 33
6.11 Nameplates . 33
6.12 Locking devices . 35
6.13 Position indication . 35
6.14 Degrees of protection provided by enclosures . 35
6.14.1 General . 35
6.14.2 Protection of persons against access to hazardous parts and protection
of the equipment against ingress of solid foreign objects (IP coding) . 35
6.14.3 Protection against ingress of water (IP coding) . 36
6.14.4 Protection of equipment against mechanical impact under normal
service conditions (IK coding) . 36
6.15 Creepage distances for outdoor insulators . 36
6.16 Gas and vacuum tightness . 36
6.17 Tightness for liquid systems . 36
6.18 Fire hazard (flammability) . 36
6.19 Electromagnetic compatibility (EMC) . 36
6.20 X-ray emission . 36
6.21 Corrosion . 36
6.22 Filling levels for insulation, switching and/or operation . 36
6.101 Tank construction: submersible or dry vault reclosers . 37
6.101.1 Tan
...