BS EN 60255-151:2009
Current
Measuring relays and protection equipment Functional requirements for over/under current protection
Hardcopy , PDF
English
08-31-2010
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
Annex ZA (normative) - Normative references to international
publications with their corresponding European
publications
Bibliography
Defines minimum requirements for over/under current relays. It includes a specification of the protection function, measurement characteristics and time delay characteristics.
| Committee |
PEL/95
|
| DevelopmentNote |
Supersedes 07/30168458 DC. (08/2010) Together with BS EN 60255-127, it supersedes BS EN 60255-3. (02/2014)
|
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
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.
| Standards | Relationship |
| IEC 60255-151:2009 | Identical |
| EN 60255-151:2009 | Identical |
| I.S. EN 60255-151:2009 | Equivalent |
| UNE-EN 60255-151:2009 | Equivalent |
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