Railway applications - Fixed installations - D.C. switchgear -- Part 7-2: Measurement, control and protection devices for specific use in d.c. traction systems - Isolating current transducers and other current measuring devices

This European Standard gives the requirements for isolating current transducers and other current measuring devices used in d.c. railway applications, fixed installations. This transducer is normally positioned between the sensor in the live switchboard conductor or rail and the secondary device, giving galvanic insulation between the input and the output.

Bahnanwendungen - Ortsfeste Anlagen - Gleichstrom-Schalteinrichtungen -- Teil 7-2: Mess-, Steuer- und Schutzeinrichtungen in Gleichstrom-Bahnanlagen - Messumformer für Strommessung und andere Strommesseinrichtungen

Applications ferroviaires - Installations fixes - Appareillage à courant continu -- Partie 7-2: Appareils de mesure, de commande et de protection pour usage spécifique dans les systèmes de traction à courant continu - Transducteurs et autres appareils de mesure de courant

Železniške naprave – Stabilne naprave električne vleke – Stikalne naprave za enosmerni tok – 7-2. del: Merilne, krmilne in zaščitne naprave za izključno uporabo v vlečnih sistemih za enosmerni tok, Izolacijski tokovni pretvorniki in druge naprave za merjenje toka

General Information

Status
Published
Publication Date
30-Apr-2003
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-May-2003
Due Date
01-May-2003
Completion Date
01-May-2003

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SIST EN 50123-7-2:2003
01-maj-2003
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SIST EN 50123-7-2:1999
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Railway applications - Fixed installations - D.C. switchgear -- Part 7-2: Measurement,

control and protection devices for specific use in d.c. traction systems - Isolating current

transducers and other current measuring devices

Bahnanwendungen - Ortsfeste Anlagen - Gleichstrom-Schalteinrichtungen -- Teil 7-2:

Mess-, Steuer- und Schutzeinrichtungen in Gleichstrom-Bahnanlagen - Messumformer
für Strommessung und andere Strommesseinrichtungen

Applications ferroviaires - Installations fixes - Appareillage à courant continu -- Partie 7-2:

Appareils de mesure, de commande et de protection pour usage spécifique dans les

systèmes de traction à courant continu - Transducteurs et autres appareils de mesure de

courant
Ta slovenski standard je istoveten z: EN 50123-7-2:2003
ICS:
29.130.99 Druge stikalne in krmilne Other switchgear and
naprave controlgear
29.280 (OHNWULþQDYOHþQDRSUHPD Electric traction equipment
SIST EN 50123-7-2:2003 en

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

---------------------- Page: 1 ----------------------
SIST EN 50123-7-2:2003
---------------------- Page: 2 ----------------------
SIST EN 50123-7-2:2003
EUROPEAN STANDARD EN 50123-7-2
NORME EUROPÉENNE
EUROPÄISCHE NORM February 2003
ICS 29.280 Supersedes EN 50123-7-2:1999
English version
Railway applications –
Fixed installations – D.C. switchgear
Part 7-2: Measurement, control and protection devices
for specific use in d.c. traction systems –
Isolating current transducers and
other current measuring devices
Applications ferroviaires – Bahnanwendungen –
Installations fixes – Ortsfeste Anlagen –
Appareillage à courant continu Gleichstrom-Schalteinrichtungen
Partie 7-2: Appareils de mesure, Teil 7-2: Mess-, Steuer- und
de commande et de protection pour Schutzeinrichtungen in Gleichstrom-
usage spécifique dans les systèmes Bahnanlagen –
de traction à courant continu – Messumformer für Strommessung und
Transducteurs et autres appareils andere Strommesseinrichtungen
de mesure de courant

This European Standard was approved by CENELEC on 2002-09-01. CENELEC members are bound to

comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European

Standard 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 Central Secretariat or to any CENELEC member.

This European Standard 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 Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,

Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta,

Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 50123-7-2:2003 E
---------------------- Page: 3 ----------------------
SIST EN 50123-7-2:2003
EN 50123-7-2:2003 - 2 -
Foreword

This European Standard was prepared by SC 9XC, Electric supply and earthing systems for

public transport equipment and ancillary apparatus (fixed installations), of the Technical

Committee CENELEC TC 9X, Electrical and electronic applications for railways.

The text of the draft was submitted to the Unique Acceptance Procedure and was approved

by CENELEC as EN 50123-7-2 on 2002-09-01.
This European Standard supersedes EN 50123-7-2:1999.
The following dates were fixed:
- latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2003-09-01
- latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2005-09-01
This Part 7-2 is to be used in conjunction with EN 50123-1:2003.
_____________
---------------------- Page: 4 ----------------------
SIST EN 50123-7-2:2003
- 3 - EN 50123-7-2:2003
Contents
Page

1 Scope ............................................................................................................................... 4

2 Normative references..................................................................................................... 4

3 Definitions ...................................................................................................................... 4

4 Service requirements..................................................................................................... 4

5 Characteristics ............................................................................................................... 5

5.1 Electrical characteristics .......................................................................................... 5

5.2 Mechanical characteristics....................................................................................... 6

6 Information to be exchanged between purchaser and supplier ................................ 7

7 Tests ................................................................................................................................ 7

7.1 Dielectric tests.......................................................................................................... 7

7.2 Calibration test......................................................................................................... 7

7.3 Other tests ................................................................................................................ 8

7.4 EMC tests................................................................................................................. 8

---------------------- Page: 5 ----------------------
SIST EN 50123-7-2:2003
EN 50123-7-2:2003 - 4 -
1 Scope

This European Standard gives the requirements for isolating current transducers and other

current measuring devices used in d.c. railway applications, fixed installations.

This transducer is normally positioned between the sensor in the live switchboard

conductor or rail and the secondary device, giving galvanic insulation between the input

and the output.
2 Normative references

This European Standard incorporates by dated or undated references, provisions from other

publications. These normative references are cited at the appropriate places in the text and

the publications are listed hereafter. For dated references, subsequent amendments to or

revisions of any of these publications apply to this European Standard only when

incorporated in it by amendment or revision. For undated references the latest edition of the

publication referred to applies (including amendments).
See EN 50123-1:2003.
3 Definitions

For the purposes of this European standard the terms and definitions given in EN 50123-1

apply.
4 Service requirements
Where the equipment described in this standard is
...

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