CLC/TS 50152-4:2021

Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 4: AC metal-enclosed traction switchgear

CLC/TS 50152-4:2021

Name:CLC/TS 50152-4:2021   Standard name:Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 4: AC metal-enclosed traction switchgear
Standard number:CLC/TS 50152-4:2021   language:English language
Release Date:26-Aug-2021   technical committee:CLC/TC 9X - Electrical and electronic applications for railways
Drafting committee:CLC/SC 9XC - Electric supply and earthing systems for public transport equipment and ancillary apparatus (fixed i   ICS number:29.130.10 - High voltage switchgear and controlgear

SLOVENSKI STANDARD
01-november-2021
Železniške naprave - Stabilne naprave električne vleke - Posebne zahteve za
stikalne naprave za izmenični tok - 4. del: Stikalne naprave za izmenični tok v
kovinskih ohišjih vlečnih sistemov
Railway applications - Fixed installations - Particular requirements for AC switchgear -
Part 4: AC metal-enclosed traction switchgear
Bahnanwendungen - Ortsfeste Anlagen - Besondere Anforderungen an Wechselstrom-
Schalteinrichtungen - Teil 4: Metallgekapselte Wechselstrom-Bahnschaltanlagen
Applications ferroviaires - Installations fixes - Exigences particulières pour appareillage à
courant alternatif ? Partie 4: Appareillage ferroviaires sous enveloppe métallique pour
courant alternatif
Ta slovenski standard je istoveten z: CLC/TS 50152-4:2021
ICS:
29.130.99 Druge stikalne in krmilne Other switchgear and
naprave controlgear
29.280 Električna vlečna oprema Electric traction equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

TECHNICAL SPECIFICATION CLC/TS 50152-4
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
August 2021
ICS 29.130.10; 29.280
English Version
Railway applications - Fixed installations - Particular
requirements for AC switchgear - Part 4: AC metal-enclosed
traction switchgear
Applications ferroviaires - Installations fixes - Exigences Bahnanwendungen - Ortsfeste Anlagen - Besondere
particulières pour appareillage à courant alternatif - Partie 4: Anforderungen an Wechselstrom-Schalteinrichtungen -
Appareillage ferroviaires sous enveloppe métallique pour Teil 4: Metallgekapselte Wechselstrom-Bahnschaltanlagen
courant alternatif
This Technical Specification was approved by CENELEC on 2021-07-19.
CENELEC members are required to announce the existence of this TS in the same way as for an EN and to make the TS available promptly
at national level in an appropriate form. It is permissible to keep conflicting national standards in force.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, 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: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. CLC/TS 50152-4:2021 E

Contents Page
European foreword . 5
Introduction . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions [3] . 8
4 Normal and special service conditions [4] . 8
5 Ratings [5] . 9
5.1 General [5.1] . 9
5.2 Nominal voltage (U ) . 9
n
5.3 Rated voltage (U ) [5.2] . 10
Ne
5.4 Insulation coordination . 10
5.5 Rated frequency (f ) [5.4] . 11
r
5.6 Currents in normal operation . 11
5.7 Rated short-time withstand current (I ) [5.6] . 12
k
5.8 Rated peak withstand current (I ) [5.7] . 12
p
5.9 Rated duration of short circuit (t t ) [5.8] . 13
k, ke
5.10 Ratings of the internal arc classification (IAC) [5.103] . 13
6 Design and construction [6] . 14
6.1 General . 14
6.2 Nameplates [6.11] . 14
6.3 Creepage distances for insulators [6.15] . 14
6.4 Electromagnetic compatibility (EMC) [6.19] . 14
6.5 Removable parts [6.104] . 14
6.6 Internal arc fault [6.106] . 14
7 Type tests [7] . 15
7.1 General [7.1] . 15
7.2 Dielectric tests [7.2] . 16
7.3 Temperature-rise tests . 16
7.4 Electromagnetic compatibility tests (EMC) [7.9] . 19
7.5 Additional tests on auxiliary and control circuits [7.10]. 19
7.6 Verification of making and breaking capacities [7.101] . 19
7.7 Mechanical operation tests [7.102] . 19
7.8 Tests to verify the protection of persons against dangerous electrical effects [7.104] . 19
7.9 Internal arc test [7.105] . 19
8 Routine tests [8] . 20
8.1 General [8.1] . 20
8.2 Dielectric test on the main circuit [8.2]. 20
8.3 Partial discharge measurement [8.101] . 20
8.4 Mechanical operation tests [8.102] . 20
9 Guide to the selection of switchgear and controlgear (informative) [9] . 21
9.1 General [9.1] . 21
9.2 Selection of rated values [9.2] . 21
9.3 Ratings related to earthing circuits [9.102] . 21
9.4 Summary of technical requirements, ratings and optional tests [9.104] . 21
10 Information to be given with enquiries, tenders and orders (informative) [10] . 23
11 Transport, storage, installation, operating instructions and maintenance [11] . 23
12 Safety [12] . 23
13 Influence of the product on the environment [13] . 24
Annex A (normative) Internal arc fault – Method to verify the internal arc classification

(IAC) . 25
A.1 Room simulation [A.1]. 25
A.2 Indicators (for assessing the thermal effects of the gases) [A.2] . 25
A.3 Tolerances for geometrical dimensions of test arrangements [A.3] . 25
A.4 Test parameters [A.4] . 25
A.5 Test procedure [A.5] . 25
Annex B (normative) Partial discharge measurement . 27
B.1 General [B.1] . 27
B.2 Application [B.2] . 27
B.3 Test circuits and measuring instruments [B.3] . 27
B.4 Test procedure [B.4] . 29
B.5 Maximum permissible partial discharge quantity [B.5] . 30
Annex C (informative) Traction load and duty cycle . 31
C.1 Background . 31
C.2 Evaluation of traction load . 31
C.3 Transformation of time-weighted RMS into basic current and duty class . 33
C.4 Examples . 33
Bibliography . 41

Figures
Figure 1 — Test cycle for duty class IB and ID . 17
Figure 2 — Determination of times for duty class IB and ID . 18
Figure B.1 — Partial discharge test circuit (two-phase arrangement) . 29
Figure C.1 — Moving window in the time domain demonstrated on a theoretical traction

load 1 with 60 min cycle time . 33
Figure C.2 — Transfer of highest values from moving window calculation into the time-

weighted RMS graph . 34
Figure C.3 — Theoretical traction load 2, 10 min cycle time. 35
Figure C.4 — Time-weighted RMS values of theoretical traction load 1 and 2 . 36
Figure C.5 — Typical load current of a mass transit traction load . 37
Figure C.6 — Time-weighted RMS graph of the traction load in Figure C.5 . 38
Figure C.7 — Comparison of traction load with duty classes . 40

Tables
Table 1 — Nominal voltages (U ), rated impulse voltages (U ) and short-duration power-
n Ni
) for circuits connected to the contact line . 11
frequency withstand voltage (Ud
Table 2 — Preferred duty classes . 12
Table 3 — Additional nameplate information for traction switchgear . 14
Table 4 — Summary
...

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