10/30215568 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS EN 60255-121 - MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 121: FUNCTIONAL REQUIREMENTS FOR DISTANCE PROTECTION
Hardcopy , PDF
31-07-2014
English
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1 Scope and object
2 Normative and definitions
3 Terms and definitions
4 Specification of the function
5 Performance specifications
6 Functional tests
7 Document requirements
Annex A (informative) - Impendance Characteristics
Annex B (normative) - Setting example for radial feeder
Annex C (normative) - Example calculation of mean, median
and mode
Annex D (informative) - Informative guide for testing
distance relays based on CT requirements
Specification
Annex E (informative) - Informative guide for dimensioning
of CTs for distance protection
Annex F (normative) - Definition of fault inception angle
Annex G (normative) - Capacitive voltage instrument
transformer model
BS EN 60255-121
| Committee |
PEL/95
|
| DocumentType |
Draft
|
| Pages |
111
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| IEC 60044-7:1999 | Instrument transformers - Part 7: Electronic voltage transformers |
| IEC GUIDE 107:2014 | Electromagnetic compatibility - Guide to the drafting of electromagnetic compatibility publications |
| IEC 60044-5:2004 | Instrument transformers - Part 5: Capacitor voltage transformers |
| IEC 60044-2:1997+AMD1:2000+AMD2:2002 CSV | Instrument transformers - Part 2 : Inductive voltage transformers |
| IEC 60044-6:1992 | Instrument transformers - Part 6: Requirements for protective current transformers for transient performance |
| IEC 60255-1:1967 | Electrical relays - Part 1: Instantaneous all-or-nothing relays |
| IEC 60050-444:2002 | International Electrotechnical Vocabulary (IEV) - Part 444: Elementary relays |
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