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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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Available format(s): Hardcopy, PDF
Language(s): English
Published date: 01-01-2003
Publisher: National Standards Authority of Ireland
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.Only cited Standards give presumption of conformance to New Approach Directives/Regulations.Dates of withdrawal of national standards are available from NSAI.
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 use
Gives 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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