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I.S. EN 60255-127:2014

I.S. EN 60255-127:2014

Current

Current

The latest, up-to-date edition.

MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 127: FUNCTIONAL REQUIREMENTS FOR OVER/UNDER VOLTAGE PROTECTION

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2014

Publisher

National Standards Authority of Ireland

Preview

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.

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 (informative) - Reset time determination
        for relays with trip output only
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Describes the influencing factors that affect the accuracy under steady state conditions and performance characteristics during dynamic conditions.

DevelopmentNote
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
62
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
EN 60255-127:2014 Identical

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 61850-9-2:2011 Communication networks and systems for power utility automation - Part 9-2: Specific communication service mapping (SCSM) - Sampled values over ISO/IEC 8802-3
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

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Hardcopy - English
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