ENV 50123-7-1 : 1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN D.C. TRACTION SYSTEMS - APPLICATION GUIDE
28-03-2003
12-01-2013
Introduction
1. Scope
2. References
3. Definitions
3.1 d.c. sensor
3.2 d.c. shunt
3.3 isolation transducer
3.4 Hall effect sensor
3.5 divider
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 Under voltage 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
Annex B (informative) Rate of rise and delta I relay - Examples
for fault characteristic and setting
parameter selection
Annex C (informative) Bibliography on relays in use
Gives help, guidance and requirements for the design of protection, control and measuring systems in d.c. installations that are meant to give a power supply to traction systems. Identifies the characteristics and parameters of equipment which is used in the measurement, control and protection of d.c. traction systems.
| Committee |
SC GEL/9/3
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| DIN V ENV 50123-7-1 : 1999 | Identical |
| VDE V 0115-300-7-1 : 1999 | Identical |
| CEI ENV 50123-7-1 : 1ED 2000 | Identical |
| DD ENV 50123-7.1 : 1999 | Identical |
| DIN EN 50123-7-2 : 2003 | 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 |
| EN 50123-1:2003 | Railway applications - Fixed installations - D.C. switchgear - Part 1: General |
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