Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 3-2: Measurement, control and protection devices for specific use in AC traction systems - Current transformers

IEC 62505-3-2:2020 is applicable to new current transformers which are:
- intended for use in indoor or outdoor fixed installations in traction systems, and
- operated with an AC line voltage and frequency as specified in IEC 60850.
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 :
- this standard was revised to reflect the latest versions of standards referenced and to remove text already included in the IEC 61869 series.
- the structure of the document was adapted to that of IEC 62505‑1 and IEC 62505‑2.
- ratings have been added to provide designations in line with other railway standards, for example IEC 62497.
- test requirements have been detailed to meet operating conditions of railway applications.
- partial discharge voltages have been specified.

General Information

Status
Published
Publication Date
10-Mar-2020
Current Stage
PPUB - Publication issued
Start Date
21-Feb-2020
Completion Date
11-Mar-2020
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IEC 62505-3-2:2020 - Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 3-2: Measurement, control and protection devices for specific use in AC traction systems - Current transformers
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IEC 62505-3-2
®

Edition 2.0 2020-03
INTERNATIONAL
STANDARD



Railway applications – Fixed installations – Particular requirements for AC
switchgear –
Part 3-2: Measurement, control and protection devices for specific use in AC
traction systems – Current transformers

IEC 62505-3-2:2020-03(en)

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IEC 62505-3-2

®


Edition 2.0 2020-03




INTERNATIONAL



STANDARD



















Railway applications – Fixed installations – Particular requirements for AC

switchgear –

Part 3-2: Measurement, control and protection devices for specific use in AC


traction systems – Current transformers
























INTERNATIONAL

ELECTROTECHNICAL


COMMISSION





ICS 45.060.01 ISBN 978-2-8322-7851-2




  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 62505-3-2:2020 © IEC 2020
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions and abbreviated terms . 7
3.1 Terms and definitions . 7
3.2 Abbreviated terms . 8
4 Service conditions . 8
5 Rating. 8
5.1 General . 8
5.2 Nominal voltage (U ) .
...

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