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11/30244275 DC : 0

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

BS EN 60255-149 - MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 149: FUNCTIONAL REQUIREMENTS FOR THERMAL PROTECTION
Available format(s)

Hardcopy , PDF

Superseded date

10-31-2013

Language(s)

English

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Superseded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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