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SRPS EN 50152-3-2:2016

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

Sep 21, 2016

General information

90.93     Nov 23, 2022

90.00    Nov 23, 2027

ISS

N009

European Norm

29.130.20     29.280  

English  

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Scope

This EN 50152-3-2 is applicable to new current transformers which are
 for indoor or outdoor fixed installations in tractions systems, and
 operated with an a.c. line voltage and frequency as specified in EN 50163.
NOTE 1 EN 50163 specifies the a.c. traction systems 15 kV 16,7 Hz and 25 kV 50 Hz.

As rails of a.c. traction systems are connected to earth and included in the return current path all phase to earth voltages will be within the tolerances as specified in EN 50163. Nevertheless phase to phase voltages may be higher e.g. in autotransformer systems.
Current transformers are mainly used with
 measurement instruments,
 protective devices.
This EN 50152-3-2 shall also be applied to current transformers other than inductive types as far as reasonably possible. Requirements of this EN 50152-3-2 prevail.
NOTE 2 Combined current and voltage transformers are typically not used in fixed installations.

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS EN 50152-3-2:2011

NOW

PUBLISHED
SRPS EN 50152-3-2:2016
90.93 Standard confirmed
Nov 23, 2022

Related project

Adopted from EN 50152-3-2:2016