IEC 62505-1:2009

Railway applications - Fixed installations - Particular requirements for a.c. switchgear - Part 1: Single-phase circuit-breakers with <i>U</i>_n above 1 kV

IEC 62505-1:2009 is applicable to single-phase a.c. one-pole circuit-breakers designed for indoor or outdoor fixed installations for operation at frequencies of 16,7 Hz, 50 Hz and 60 Hz on traction systems having an UNm above 1 kV up to 52 kV.

Applications ferroviaires - Installations fixes - Exigences particulières pour appareillage à courant alternatif - Partie 1: Disjoncteurs monophasés avec <i>U</i>_n supérieur à 1 kV

La CEI 62505-1:2009 est applicable aux disjoncteurs unipolaires monophasés à courant alternatif conçus pour des installations fixes intérieures ou extérieures pour utilisation à des fréquences de 16,7 Hz, 50 Hz et 60 Hz dans les réseaux de traction dont la tension UNm est comprise entre 1 kV et 52 kV.

General Information

• Status: Published
• Publication Date: 09-Mar-2009
• ICS: 45.060.01 - Railway rolling stock in general
• Technical Committee: TC 9 - Electrical equipment and systems for railways
• Current Stage: DELPUB - Deleted Publication
• Completion Date: 03-Feb-2016

Relations

• Revised: IEC 62505-1:2016 - Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 1: Circuit-breakers with nominal voltage above 1 kV
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 62505-1 ®
Edition 1.0 2009-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Railway applications – Fixed installations – Particular requirements for a.c.
switchgear –
Part 1: Single-phase circuit-breakers with U above 1 kV
n
Applications ferroviaires – Installations fixes – Exigences particulières pour
appareillage à courant alternatif –
Partie 1: Disjoncteurs monophasés avec U supérieur à 1 kV
n
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IEC 62505-1 ®
Edition 1.0 2009-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Railway applications – Fixed installations – Particular requirements for a.c.
switchgear –
Part 1: Single-phase circuit-breakers with U above 1 kV
n
Applications ferroviaires – Installations fixes – Exigences particulières pour
appareillage à courant alternatif –
Partie 1: Disjoncteurs monophasés avec U supérieur à 1 kV
n
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
XB
CODE PRIX
ICS 45.060 ISBN 978-2-88910-745-2
– 2 – 62505-1 © IEC:2009
CONTENTS
FOREWORD.6
INTRODUCTION.8
1 Scope.9
2 Normative references .9
3 Terms and definitions .9
4 Service conditions .10
5 Rating .10
5.1 General .10
5.2 Rated voltage (U ).11
Ne
5.3 Nominal voltage (U ).11
n
5.4 Rated insulation voltage (U ) [4.2] .11
Nm
5.5 Rated frequency [4.3] .12
5.6 Rated normal current and temperature rise [4.4].12
5.7 Rated short-time withstand current [4.5] .13
5.8 Rated peak withstand current [4.6] .13
5.9 Rated duration of short-circuit [4.7] .13
5.10 Rated supply voltage of closing and opening devices and auxiliary circuit
[4.8] .13
5.11 Rated supply frequency of closing and opening devices and auxiliary circuits
[4.9] .13
5.12 Rated pressures of compressed gas supply for operation and for interruption
[4.10].13
5.13 Rated short-circuit breaking current (I ) [4.101].13
Nss
5.13.1 General [4.101].13
5.13.2 AC component of the rated short-circuit breaking current [4.101.1].14
5.13.3 DC component of the rated short-circuit breaking current [4.101.2].14
5.14 Rated transient recovery voltage for terminal faults [4.102] .15
5.14.1 General .15
5.14.2 Representation of transient recovery voltage waves [4.102.1].15
5.14.3 Representation of rated TRV [4.102.2].15
5.14.4 Standard values of rated TRV [4.102.3] .15
5.15 Standard values of initial transient recovery voltage [4.102.4] .16
5.16 Rated short-circuit making current [4.103] .16
5.17 Rated operating sequence [4.104] .16
5.18 Rated out-of-phase breaking current [4.106].17
5.19 Rated line-charging breaking current [4.107.1] .19
5.20 Rated cable-charging breaking current [4.107.2] .19
5.21 Rated single capacitor bank breaking current [4.107.3] .19
5.22 Rated back-to-back capacitor bank breaking current [4.107.4].19
5.23 Rated capacitor bank inrush making current [4.107.5] .20
5.24 Rated time quantities [4.109].20
5.24.1 General .20
5.24.2 Rated break time [4.109.1] .21
5.25 Co-ordination of rated values .21
6 Design and construction [5] .22
6.1 Requirements for liquids in circuit-breakers [5.1] .22

62505-1 © IEC:2009 – 3 –
6.2 Requirements for gases in circuit-breakers [5.2].22
6.3 Earthing of circuit-breakers [5.3].22
6.4 Auxiliary equipment [5.4] .23
6.5 Dependent power closing [5.5] .23
6.6 Stored energy closing [5.6].23
6.7 Operation of releases [5.8] .23
6.7.1 General .23
6.7.2 Over-current release [5.8.101] .23
6.7.3 Multiple releases [5.8.102].24
6.8 Low and high pressure interlocking devices [5.9].24
6.9 Nameplates [5.10] .24
6.10 Requirements for simultaneity of poles [5.101] .24
6.11 General requirement for operation [5.102] .24
6.12 Pressure limits of compressed gas for interruption in gas blast circuit-
breakers [5.103] .25
6.13 Vent outlet [5.104].25
6.14 Safety overpressure device .25
7 Type tests [6] .25
7.1 General .25
7.2 Dielectric tests [6.2].26
7.2.1 Ambient air conditions during tests [6.2.1] .26
7.2.2 Wet test procedure [6.2.2] .26
7.2.3 Condition of circuit-breaker during dielectric tests [6.2.3].26
7.2.4 Application of test voltage and test conditions [6.2.5].26
7.2.5 Test voltages [6.2.6] .26
7.2.6 Lightning and switching impulse voltage tests [6.2.7.2, 6.2.7.3] .26
7.2.7 Power-frequency voltage tests [6.2.7.1] .27
7.2.8 Artificial pollution tests [6.2.8].27
7.2.9 Partial discharge tests [6.2.9] .27
7.2.10 Tests on auxiliary and control circuits [6.2.10] .27
7.3 Radio interference voltage (r.i.v.) tests [6.3] .27
7.4 Temperature-rise tests [6.5] .28
7.4.1 Conditions of the circuit-breaker to be tested [6.5.1] .28
7.4.2 Arrangement of the equipment [6.5.2].28
7.4.3 Measurement of the temperature and the temperature rise [6.5.3] .
...