MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 149: FUNCTIONAL REQUIREMENTS FOR THERMAL ELECTRICAL RELAYS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2014

Publisher

Comitato Elettrotecnico Italiano

FOREWORD
1. Scope
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) Thermal electrical relays
        which use temperature as setting Parameters
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Describes the minimum requirements for thermal protection relays.

Committee	CT 94/95
DevelopmentNote	Classificazione CEI 95-24. Supersedes CEI EN 60255-8. (11/2014)
DocumentType	Standard
Pages	54
PublisherName	Comitato Elettrotecnico Italiano
Status	Current
Supersedes	CEI EN 60255-8 : 1999

Standards	Relationship
IEC 60255-149:2013	Identical
EN 60255-149:2013	Identical

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
EN 60085:2008	Electrical insulation - Thermal evaluation and designation
EN 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 60085:2007	Electrical insulation - Thermal evaluation and designation
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 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
IEEE C37.96-2012	IEEE Guide for AC Motor Protection

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CEI EN 60255-149 : 2014

Current

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory

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