11/30244275 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 60255-149 - MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 149: FUNCTIONAL REQUIREMENTS FOR THERMAL PROTECTION
Hardcopy , PDF
English
31-10-2013
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) - Simple first-order thermal
model of electrical equipment
Annex B (informative) - Basic characteristics,
calculation and measurement of thermal time
constant (tau) of industrial electrical equipment
Annex C (informative) - Thermal electrical relays
which use temperature as setting parameters
Bibliography
BS EN 60255-149
| Committee |
PEL/95
|
| DocumentType |
Draft
|
| Pages |
54
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| IEC 61850-9-1:2003 | Communication networks and systems in substations - Part 9-1: Specific Communication Service Mapping (SCSM) - Sampled values over serial unidirectional multidrop point to point link |
| IEC 60947-4-1:2009+AMD1:2012 CSV | Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters |
| IEC 60050-447:2010 | International Electrotechnical Vocabulary (IEV) - Part 447: Measuring relays |
| IEC 60085:2007 | Electrical insulation - Thermal evaluation and designation |
| 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 60947-4-2:2011 | Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters |
| 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 61850-10:2012 | Communication networks and systems for power utility automation - Part 10: Conformance testing |
| IEEE C37.96-2012 | IEEE Guide for AC Motor Protection |
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