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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
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Published date: 12-01-2013
Publisher: Swiss Standards
1 Scope2 Normative references3 Definitions4 Measurement 4.1 General 4.2 Current 4.3 Voltage dividers5 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 inhibit6 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 actingAnnex A (informative) Electronic protection relay features A.1 Scope A.2 FailuresAnnex 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 protectionAnnex C (informative) Bibliography on relays in useFigures
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.
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