IEC/IEEE 62271-37-013:2015
(Main)High-voltage switchgear and controlgear - Part 37-013: Alternating-current generator circuit-breakers
High-voltage switchgear and controlgear - Part 37-013: Alternating-current generator circuit-breakers
IEC/IEEE 62271-37-013:2015(E) is applicable to three-phase a.c. high-voltage generator circuit-breakers, hereafter called generator circuit-breaker, designed for indoor or outdoor installation and for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 1 kV and up to 38 kV. It is applicable to generator circuit-breakers that are installed between the generator and the transformer terminals. Requirements relative to generator circuit-breakers intended for use with generators and transformers rated 10 MVA or more are covered specifically. Generator circuits rated less than 10 MVA and pumped storage installations are considered special applications, and their requirements are not completely covered by this standard. This standard is also applicable to the operating mechanisms of generator circuit-breakers and to their auxiliary equipment. This standard has been prepared by a joint working group comprised of members both from IEC 17A/WG 52 representing subcommittee 17A: High-voltage switchgear and controlgear, of IEC technical committee 17: Switchgear and controlgear, in cooperation with IEEE WG P62271-37-013 representing the Switchgear Committee of the Power and Energy Society of the IEEE, under the IEC/IEEE Dual Logo Agreement.
The contents of the corrigendum of June 2017 have been included in this copy.
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IEC/IEEE 62271-37-013 ®
Edition 1.0 2015-10
INTERNATIONAL
STANDARD
colour
inside
High-voltage switchgear and controlgear –
Part 37-013: Alternating-current generator circuit-breakers
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IEC/IEEE 62271-37-013 ®
Edition 1.0 2015-10
INTERNATIONAL
STANDARD
colour
inside
High-voltage switchgear and controlgear –
Part 37-013: Alternating-current generator circuit-breakers
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.130.10 ISBN 978-2-8322-2871-5
– 2 – IEC/IEEE 62271-37-013:2015
© IEC/IEEE 2015
CONTENTS
CONTENTS . 2
FOREWORD. 12
1 General . 14
1.1 Scope . 14
1.2 Normative references . 14
2 Normal and special service conditions . 15
2.1 Normal service conditions . 15
2.2 Special service conditions . 15
3 Terms and definitions . 15
3.1 General terms . 16
3.2 Assemblies of switchgear and controlgear . 18
3.3 Parts of assemblies . 18
3.4 Switching devices . 18
3.5 Parts of generator circuit-breakers . 20
3.6 Operation . 23
3.7 Characteristic quantities . 25
3.8 Index of definitions . 40
4 Ratings . 44
4.1 Rated voltage U . 44
r
4.2 Rated insulation level . 44
4.2.101 Dielectric strength . 45
4.2.102 Rated power frequency withstand voltage U . 45
d
4.2.103 Rated lightning impulse withstand voltage U . 45
p
4.3 Rated frequency f . 45
r
4.4 Rated normal current I and temperature rise . 45
r
4.4.1 Rated normal current I . 45
r
4.4.2 Temperature rise. 46
4.4.3 Particular points of Table 3 of IEC 62271-1:2007 . 46
4.4.101 Emergency current ratings during loss of cooling . 46
4.5 Rated short-time withstand current I . 47
k
4.6 Rated peak withstand current I . 47
p
4.7 Rated duration of short circuit t . 47
k
4.8 Rated supply voltage of closing and opening devices and of auxiliary and
control circuits U . 48
a
4.8.1 General . 48
4.8.2 Rated supply voltage U . 48
a
4.8.3 Tolerances . 48
4.8.4 Ripple voltage . 49
4.8.5 Voltage drop and supply interruption . 49
4.9 Rated supply frequency of closing and opening devices and auxiliary circuits . 49
4.10 Rated pressure of compressed gas supply for controlled pressure
systems . 49
4.11 Rated filling levels for insulation, interruption and/or operation . 49
4.101 Rated short-circuit current . 50
4.101.1 General . 50
4.101.2 Rated system-source short-circuit breaking current . 50
© IEC/IEEE 2015
4.101.3 Rated generator-source short-circuit breaking current . 52
4.101.4 Rated single-phase-to-earth fault breaking current . 54
4.102 Rated peak short-circuit making current I . 54
MC
4.103 Rated load making and breaking current . 54
4.104 Rated out-of-phase making and breaking current . 55
4.105 Rated transient recovery voltage (TRV) related to the breaking currents . 55
4.105.1 Representation of TRV waves . 55
4.105.2 Rated values of TRV . 56
4.106 Standard operating sequence . 57
4.106.1 General . 57
4.106.2 Rated short-circuit current operating sequence . 58
4.106.3 Rated load current operating sequence . 58
4.106.4 Rated out-of-phase current operating sequence . 58
4.107 Rated time quantities . 58
4.107.1 General . 58
4.107.2 Rated break-time . 58
4.107.3 Rated minimum opening time . 59
4.108 Mechanical operation endurance capability classes M1 and M2 . 59
5 Design and construction . 59
5.1 Requirements for liquids in generator circuit-breakers . 59
5.2 Requirements for gases in generator circuit-breakers . 60
5.3 Earthing of generator circuit-breakers . 60
5.4 Auxiliary and control equipment . 60
5.5 Dependent power operation . 61
5.6 Stored energy operation . 61
5.7 Independent manual or power operation (independent unlatched operation) . 61
5.8 Operation of releases . 61
5.8.1 Shunt closing release . 61
5.8.2 Shunt opening release . 61
5.8.3 Capacitor operation of shunt releases . 61
5.8.4 Under-voltage release . 61
5.8.101 Multiple releases . 61
5.8.102 Operation limits of releases . 61
5.8.103 Power consumption of releases . 61
5.9 Low- and high-pressure interlocking devices . 62
5.10 Nameplates . 62
5.10.101 Accessories . 64
5.10.102 Modification of generator circuit-breakers . 64
5.11 Interlocking devices . 64
5.12 Position indication . 64
5.13 Degrees of protection provided by enclosures . 64
5.13.1 Protection of persons against access to hazardous parts and protection
of the equipment against ingress of solid foreign objects (IP coding) . 65
5.13.2 Protection against ingress of water (IP coding) . 65
5.13.3 Protection of equipment against mechanical impact under normal
service conditions (IK coding) . 65
5.14 Creepage distances for outdoor insulators . 65
5.15 Gas and vacuum tightness . 65
5.16 Liquid tightness .
...
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