Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 3-1: Measurement, control and protection devices for specific use in AC tractions systems - Devices

IEC 62505-3-1:2020 is applicable to new low voltage devices for measurement, control and protection which are:
- for indoor or outdoor fixed installations in traction systems, and
- operated in conjunction with high voltage equipment with an AC line voltage and frequency as specified in IEC 60850.
This document also applies to measurement, control and protective devices other than low voltage devices and not covered by a specific railway product standard as far as reasonably possible. Requirements of this document prevail.
This second edition cancels and replaces the first edition published in 2009.  This edition includes the following significant technical changes with respect to the previous edition:
- distinguish between requirements and application guides
- include requirements on devices for example control and protection relays not included before;
- remove parts already included in other standards, for example EN 50633 for protection principles, which is intended to become an IEC standard.

Applications ferroviaires - Installations fixes - Exigences particulières pour appareillage à courant alternatif - Partie 3-1: Dispositifs de mesure, de commande et de protection pour usage spécifique dans les systèmes de traction à courant alternatif - Dispositifs

General Information

Status
Published
Publication Date
10-Mar-2020
Current Stage
PPUB - Publication issued
Start Date
21-Feb-2020
Completion Date
11-Mar-2020
Ref Project

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IEC 62505-3-1:2020 - Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 3-1: Measurement, control and protection devices for specific use in AC tractions systems - Devices
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IEC 62505-3-1
®

Edition 2.0 2020-03
INTERNATIONAL
STANDARD



Railway applications – Fixed installations – Particular requirements for
AC switchgear –
Part 3-1: Measurement, control and protection devices for specific use
in AC traction systems – Devices
IEC 62505-3-1:2020-03(en)

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IEC 62505-3-1

®


Edition 2.0 2020-03




INTERNATIONAL



STANDARD



















Railway applications – Fixed installations – Particular requirements for

AC switchgear –

Part 3-1: Measurement, control and protection devices for specific use


in AC traction systems – Devices
























INTERNATIONAL

ELECTROTECHNICAL


COMMISSION





ICS 45.060.01 ISBN 978-2-8322-7846-8




  Warning! Make sure that you obtained this publication from an authorized distributor.


® Registered trademark of the International Electrotechnical Commission

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– 2 – IEC 62505-3-1:2020 © IEC 2020
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Specific requirements from the traction system . 8
5 Requirements on measurement, control and protection devices . 8
5.1 General . 8
5.2 Voltage detection systems . 8
5.3 Devices at supply voltage of a traction system . 9
5.4 Protection devices . 9
Annex A (informativ
...

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