POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS

Available format(s)

Hardcopy , PDF

Language(s)

English - Italian

Published date

01-01-2015

Publisher

Comitato Elettrotecnico Italiano

FOREWORD
1. Scope
2. Normative references
3. Terms and definitions
4. Cooling methods
5. Normal cooling conditions
6. Temperature rise limits
7. Temperature rise tests
Annex A (informative) - Hot-spot winding
        temperature rise determination for
        OFAF and OFWF cooled transformers
        based on the top-liquid temperature
        in tank
Annex B (informative) - Methods to estimate
        the hot-spot winding temperature rises
Annex C (informative) - Techniques used in
        temperature rise testing of liquid
        immersed Transformers
Annex D (informative) - Dissolved gases
        analysis for the detection of local
        overheating
Annex E (informative) - Application of optical
        fibre sensors for winding hot-spot
        Measurements
Bibliography
Annex ZA (normative) - Normative references
         to international publications with their
         corresponding European publications

Describes the liquid-immersed transformers, identifies power transformers according to their cooling methods, defines temperature rise limits and gives the methods for temperature rise tests.

Committee	CT 14
DevelopmentNote	Classificazione CEI 14-4/2 (08/2001) Supersedes CEI 14-4, CEI 14-4 V1, CEI 14-4 V2, CEI 14-4 V3 and CEI 14-4 V4. (03/2004)
DocumentType	Standard
Pages	96
PublisherName	Comitato Elettrotecnico Italiano
Status	Current
Supersedes	CEI 14-4 V1 : 1985 CEI 14-4 V4 : 1990 CEI 14-4 V2 : 1988 CEI 14-4 V3 : 1988 CEI 14-4 : 2ED 1983

Standards	Relationship
EN 60076-2:2011	Identical
IEC 60076-2:2011	Identical

IEC 60076-7:2005	Power transformers - Part 7: Loading guide for oil-immersed power transformers
EN 60085:2008	Electrical insulation - Thermal evaluation and designation
IEC 60599:2015	Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
CEI 14-41 : 2011	TAP-CHANGERS - PART 2: APPLICATION GUIDE
IEEE C57.91-2011 REDLINE	IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators
IEC 60567:2011	Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance
IEC 61099:2010	Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes
IEC 60076-8:1997	Power transformers - Part 8: Application guide
IEC 60836:2015	Specifications for unused silicone insulating liquids for electrotechnical purposes
IEC 60085:2007	Electrical insulation - Thermal evaluation and designation
IEC 60296:2012 RLV	Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
IEC GUIDE 115:2007	Application of uncertainty of measurement to conformity assessment activities in the electrotechnical sector
EN 61181:2007/A1:2012	MINERAL OIL-FILLED ELECTRICAL EQUIPMENT - APPLICATION OF DISSOLVED GAS ANALYSIS (DGA) TO FACTORY TESTS ON ELECTRICAL EQUIPMENT (IEC 61181:2007/A1:2012)
IEC 60076-1:2011	Power transformers - Part 1: General
CLC/TR 50462:2008	Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors
EN 60076-1:2011	POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)
IEC 61181:2007+AMD1:2012 CSV	Mineral oil-filled electrical equipment - Application of dissolved gas analysis (DGA) to factory tests on electrical equipment
CEI 15-26 : 1ED 1997	VALUTAZIONE E CLASSIFICAZIONE TERMICA DELL'ISOLAMENTO ELETTRICO
CEI 14-4/8 : 2001	POWER TRANSFORMERS - APPLICATION GUIDE

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CEI EN 60076-2 : 2015

Current

Table of Contents

Abstract

General Product Information

International Equivalents

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