I.S. EN 60255-127:2014
Current
The latest, up-to-date edition.
MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 127: FUNCTIONAL REQUIREMENTS FOR OVER/UNDER VOLTAGE PROTECTION
Hardcopy , PDF
English
01-01-2014
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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 (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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