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CENELEC
EN 60255-151:2009

EN 60255-151:2009

Current

Current

The latest, up-to-date edition.

Measuring relays and protection equipment - Part 151: Functional requirements for over/under current protection

Published date

23-10-2009

Publisher

European Committee for Standards - Electrical

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FOREWORD
1 Scope and object
2 Normative references
3 Terms and definitions
4 Specification of the function
5 Performance specification
6 Functional test methodology
7 Documentation requirements
Annex A (normative) - Constants for dependent time operating
        and reset characteristics
Annex B (informative) - Reset time determination for relays
        with trip output only
Bibliography
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications

IEC 60255-151:2009 specifies minimum requirements for over/under current relays. It includes a specification of the protection function, measurement characteristics and time delay characteristics. Defines the influencing factors that affect the accuracy under steady state conditions and performance characteristics during dynamic conditions.

Committee
CLC/TC 95X
DevelopmentNote
Supersedes EN 60255-3. (04/2010)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current
Supersedes

EN 60688:2013 Electrical measuring transducers for converting A.C. and D.C. electrical quantities to analogue or digital signals
CEI EN 50438 : 2014 REQUIREMENTS FOR MICRO-GENERATING PLANTS TO BE CONNECTED IN PARALLEL WITH PUBLIC LOW-VOLTAGE DISTRIBUTION NETWORKS
S.R. CLC/TS 50549-2:2015 REQUIREMENTS FOR GENERATING PLANTS TO BE CONNECTED IN PARALLEL WITH DISTRIBUTION NETWORKS - PART 2: CONNECTION TO A MV DISTRIBUTION NETWORK
I.S. EN 50438:2013 REQUIREMENTS FOR MICRO-GENERATING PLANTS TO BE CONNECTED IN PARALLEL WITH PUBLIC LOW-VOLTAGE DISTRIBUTION NETWORKS
BS EN 50438:2013 Requirements for micro-generating plants to be connected in parallel with public low-voltage distribution networks
BS EN 60688:2013 Electrical measuring transducers for converting A.C. and D.C. electrical quantities to analogue or digital signals
CLC/TS 50549-2:2015 Requirements for generating plants to be connected in parallel with distribution networks - Part 2: Connection to a MV distribution network
UNE-EN 60688:2013 Electrical measuring transducers for converting A.C. and D.C. electrical quantities to analogue or digital signals
I.S. EN 60688:2013 ELECTRICAL MEASURING TRANSDUCERS FOR CONVERTING A.C. AND D.C. ELECTRICAL QUANTITIES TO ANALOGUE OR DIGITAL SIGNALS (IEC 60688:2012 (EQV))
EN 50438:2013 REQUIREMENTS FOR MICRO-GENERATING PLANTS TO BE CONNECTED IN PARALLEL WITH PUBLIC LOW-VOLTAGE DISTRIBUTION NETWORKS

IEC GUIDE 107:2014 Electromagnetic compatibility - Guide to the drafting of electromagnetic compatibility publications
EN 61850-7-4:2010 Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data object classes
EN 60255-8:1998 Electrical relays - Part 8: Thermal electrical relays
IEC 60050-447:2010 International Electrotechnical Vocabulary (IEV) - Part 447: Measuring relays
EN 60255-1:2010 Measuring relays and protection equipment - Part 1: Common requirements
IEC 60255-1:1967 Electrical relays - Part 1: Instantaneous all-or-nothing relays
IEC 61850-7-4:2010 Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data object classes
IEC 60255-8:1990 Electrical relays - Part 8: Thermal electrical relays
IEC 60050-444:2002 International Electrotechnical Vocabulary (IEV) - Part 444: Elementary relays

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