Customer Support: 131 242

  • Shopping Cart
    There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

NF EN 50123-7-1 : 2004

Current

Current

The latest, up-to-date edition.

RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 7-1: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN D.C. TRACTION SYSTEMS - APPLICATION GUIDE

Published date

12-01-2013

Sorry this product is not available in your region.

1 Scope
2 Normative references
3 Definitions
4 Measurement
  4.1 General
  4.2 Current
  4.3 Voltage dividers
5 Control systems
  5.1 General
  5.2 Anti-pumping
  5.3 Auto-reclose with variable reclose time and
      final lock out
  5.4 Line test device
  5.5 Undervoltage close inhibit
6 Protection systems
  6.1 General
  6.2 Protection system for line circuit breakers (L)
  6.3 Protection system for rectifier circuit breaker (R)
  6.4 Direct acting (series trip)
  6.5 Indirect acting
Annex A (informative) Electronic protection relay features
  A.1 Scope
  A.2 Failures
Annex B (informative) Rate of rise and (delta)I relay
        Examples for fault characteristic and setting
        parameter selection
  B.1 Scope
  B.2 Rate of rise detection
  B.3 (delta)I Protection
  B.4 Combined di/dt and (delta)I protection
Annex C (informative) Bibliography on relays in use
Figures

Describes assistance, guidance and requirements for the design of protection, control and measuring systems in d.c. installations intended to provide a power supply to traction systems.

DevelopmentNote
Indice de classement: F41-020-7-1. PR NF EN 50123 7-1 June 2004. (06/2004)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Current

Standards Relationship
BS EN 50123-7-1:2003 Identical
SN EN 50123-7-1 : 2003 Identical
EN 50123-7-1:2003 Identical
UNE-EN 50123-7-1:2004 Identical
I.S. EN 50123-7-1:2003 Identical
NEN EN 50123-7-1 : 2003 Identical
DIN EN 50123-7-1 : 2003 Identical

NF EN 50327 : 2005 AMD 1 2005 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - HARMONISATION OF THE RATED VALUES FOR CONVERTER GROUPS AND TESTS ON CONVERTER GROUPS
NF EN 50328 : 2005 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRONIC POWER CONVERTERS FOR SUBSTATIONS

EN 50123-1:2003 Railway applications - Fixed installations - D.C. switchgear - Part 1: General

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.