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IEC TS 62332-3:2016

(Main)

Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 3: Hermetic motor-compressors

Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 3: Hermetic motor-compressors

IEC TS 62332-3:2016 is applicable to EIM and EIS containing solid and liquid components where the refrigerant, oil and thermal stresses are the dominant ageing factor, without restriction to voltage class.

Systèmes d'isolation électrique (SIE) - Évaluation thermique de composants liquides et solides combinés - Partie 3: Motocompresseurs hermétiques

L'IEC TS 62332-3:2016 est applicable aux MIE et aux SIE contenant des composants solides et liquides, et pour lesquels le fluide frigorigène, l'huile et les contraintes thermiques constituent les facteurs de vieillissement prédominants, indépendamment de la classe de tension.

General Information

Status
Published
Publication Date
20-Jul-2016
ICS
01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
29.080.30 - Insulation systems
Technical Committee
TC 112 - Evaluation and qualification of electrical insulating materials and systems
Drafting Committee
WG 6 - TC 112/WG 6
Current Stage
PPUB - Publication issued
Start Date
30-Sep-2016
Completion Date
21-Jul-2016
Ref Project

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IEC TS 62332-3:2016 - Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 3: Hermetic motor-compressorsIEC TS 62332-3:2016 - Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 3: Hermetic motor-compressors
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IEC TS 62332-3:2016 - Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 3: Hermetic motor-compressors
English and French language
47 pages
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IEC TS 62332-3 ®
Edition 1.0 2016-07
TECHNICAL
SPECIFICATION
SPECIFICATION
TECHNIQUE
colour
inside
Electrical insulation systems (EIS) – Thermal evaluation of combined liquid and
solid components –
Part 3: Hermetic motor-compressors

Systèmes d'isolation électrique (SIE) – Évaluation thermique de composants
liquides et solides combinés –
Partie 3: Motocompresseurs hermétiques
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IEC TS 62332-3 ®
Edition 1.0 2016-07
TECHNICAL
SPECIFICATION
SPECIFICATION
TECHNIQUE
colour
inside
Electrical insulation systems (EIS) – Thermal evaluation of combined liquid and

solid components –
Part 3: Hermetic motor-compressors

Systèmes d'isolation électrique (SIE) – Évaluation thermique de composants

liquides et solides combinés –

Partie 3: Motocompresseurs hermétiques

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.080.30 ISBN 978-2-8322-3527-0

– 2 – IEC TS 62332-3:2016 © IEC 2016
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references. 7
3 Terms and definitions . 8
4 Electrical insulation material (EIM) evaluation . 9
4.1 General description . 9
4.2 Test equipment . 9
4.2.1 Autoclave . 9
4.2.2 Ageing oven . 10
4.3 Specimen . 10
4.3.1 General . 10
4.3.2 Determination of component shape, volume or weight of EIM . 10
4.3.3 Reference test subject . 12
4.4 Test procedures . 12
4.4.1 General test procedure . 12
4.4.2 Preparation of the autoclave . 12
4.4.3 Ageing . 13
4.4.4 Opening procedure . 13
4.5 Diagnostic test . 13
4.5.1 General . 13
4.5.2 Solid insulation materials . 13
4.5.3 Liquid insulation material (refrigerant oil) . 14
4.6 Analysis of data . 15
4.6.1 End-point criteria . 15
4.6.2 End-of-life of the oil and solid component . 15
4.6.3 Extrapolation of data . 15
5 Electrical insulation system (EIS) evaluation . 15
5.1 General description . 15
5.2 Test equipment . 15
5.2.1 Autoclave . 15
5.2.2 Ageing oven . 16
5.2.3 Specimen mounting tool . 16
5.3 Specimen . 16
5.4 Test procedure . 16
5.4.1 Initial screening test . 16
5.4.2 Preparation of the autoclave . 17
5.4.3 Thermal endurance test. 17
5.5 End of life criterion . 17
5.6 Analysis of data . 17
6 Report . 17
Annex A (informative)  End-point and criteria examples of thermal life . 19
Annex B (informative) Suggested test procedures . 20
B.1 Test procedures for effect to the electric resistance of oil and refrigerant . 20
B.1.1 General . 20
B.1.2 Autoclave . 20

B.1.3 Test subject . 20
B.1.4 Test process . 20
B.2 Blister test of winding wire . 20
B.2.1 Overview . 20
B.2.2 General . 20
B.2.3 Autoclave . 20
B.2.4 Test subject . 21
B.2.5 Test process . 21
B.2.6 Test result . 21
B.3 Refrigerant extract test for solid insulating materials . 21
B.3.1 General . 21
B.3.2 Autoclave . 21
B.3.3 Test subject . 21
B.3.4 Test process . 22
B.3.5 Test result . 22
B.4 Metal surface contamination test . 22
B.4.1 General . 22
B.4.2 Test procedure . 22
Bibliography . 23

Figure 1 – Autoclave example for ageing test of EIM .
...

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