Specifications for particular types of winding wires - Part 80: Polyvinyl acetal enamelled rectangular copper wire, class 120, with a bonding layer

IEC 60317-80: 2019 specifies the requirements of enamelled rectangular copper winding wire of class 120 with a dual coating. The underlying coating is based on polyvinyl acetal resin, which can be modified providing it retains the chemical identity of the original resin and meets all specified wire requirements. The second coating is a bonding layer based on a thermoplastic or thermosetting resin. NOTE A modified resin is a resin that has undergone a chemical change, or contains one or more additives to enhance certain performance or application characteristics. The range of nominal conductor dimensions covered by this document is:
width: min. 2,00 mm max. 16,00 mm;
thickness: min. 0,80 mm max. 5,60 mm.
Wires of grade 1 and grade 2 are included in this specification and apply to the complete range of conductors. The specified combinations of nominal width and thickness as well as the specified ratio width/thickness are given in IEC 60317-0-2:2019.
Keywords: insulated wires used for windings

Spécifications pour types particuliers de fils de bobinage - Partie 80: Fil de section rectangulaire en cuivre émaillé avec acétal de polyvinyle, classe 120, avec une couche adhérente

IEC 60317-80:2019 spécifie les exigences relatives aux fils de bobinage de section rectangulaire en cuivre émaillé de classe 120 avec un double revêtement. La sous-couche est à base de résine acétal de polyvinyle, qui peut être modifiée sous réserve de conserver l'identité chimique de la résine initiale et de répondre à toutes les exigences spécifiées pour le fil. La deuxième couche est une couche adhérente à base de résine thermoplastique ou thermodurcissable. NOTE Une résine modifiée est une résine qui a subi une modification chimique, ou qui contient un ou plusieurs additifs pour améliorer les résultats obtenus ou les caractéristiques d'utilisation. La gamme des dimensions nominales des conducteurs couverte par le présent document est:
largeur: min. 2,00 mm max. 16,00 mm;
épaisseur: min. 0,80 mm max. 5,60 mm.
Les fils de grade 1 et de grade 2 sont compris dans la présente spécification et s'appliquent à la gamme complète des conducteurs. Les combinaisons spécifiées de largeur et d'épaisseur nominales ainsi que le rapport largeur/épaisseur spécifié sont indiqués dans l'IEC 60317-0-2:2019.
Mots clés : fils isolés utilisés pour les enroulements

General Information

Status
Published
Publication Date
20-Aug-2019
Technical Committee
Current Stage
PPUB - Publication issued
Completion Date
21-Aug-2019
Ref Project

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IEC 60317-80
Edition 1.0 2019-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Specifications for particular types of winding wires –
Part 80: Polyvinyl acetal enamelled rectangular copper wire, class 120,
with a bonding layer
Spécifications pour types particuliers de fils de bobinage –
Partie 80: Fil de section rectangulaire en cuivre émaillé avec acétal
de polyvinyle, classe 120, avec une couche adhérente
IEC 60317-80:2019-08(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 60317-80
Edition 1.0 2019-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Specifications for particular types of winding wires –
Part 80: Polyvinyl acetal enamelled rectangular copper wire, class 120,
with a bonding layer
Spécifications pour types particuliers de fils de bobinage –
Partie 80: Fil de section rectangulaire en cuivre émaillé avec acétal
de polyvinyle, classe 120, avec une couche adhérente
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.060.10 ISBN 978-2-8322-7309-8

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 60317-80:2019 © IEC 2019
CONTENTS

FOREWORD ........................................................................................................................... 3

INTRODUCTION ..................................................................................................................... 5

1 Scope .............................................................................................................................. 6

2 Normative references ...................................................................................................... 6

3 Terms, definitions, general notes and appearance ........................................................... 6

3.1 Terms and definitions .............................................................................................. 6

3.2 General notes ......................................................................................................... 7

3.2.1 Methods of test ................................................................................................ 7

3.2.2 Winding wire .................................................................................................... 7

3.3 Appearance ............................................................................................................ 7

4 Dimensions...................................................................................................................... 7

4.1 Conductor dimensions ............................................................................................ 7

4.2 Enamel layer ........................................................................................................... 7

4.3 Bonding layer .......................................................................................................... 7

5 Electrical resistance ........................................................................................................ 7

6 Elongation ....................................................................................................................... 7

7 Springiness ..................................................................................................................... 7

8 Flexibility and adherence ................................................................................................. 8

8.1 Mandrel winding test ............................................................................................... 8

8.2 Adherence test ........................................................................................................ 8

9 Heat shock ...................................................................................................................... 8

10 Cut-through ..................................................................................................................... 8

11 Resistance to abrasion .................................................................................................... 8

12 Resistance to solvents ..................................................................................................... 8

13 Breakdown voltage .......................................................................................................... 8

14 Continuity of insulation .................................................................................................... 8

15 Temperature index .......................................................................................................... 8

16 Resistance to refrigerants ................................................................................................ 9

17 Solderability .................................................................................................................... 9

18 Heat or solvent bonding ................................................................................................... 9

18.1 Heat bonding .......................................................................................................... 9

18.1.1 Room temperature ........................................................................................... 9

18.1.2 Elevated temperature ...................................................................................... 9

18.2 Solvent bonding ...................................................................................................... 9

19 Dielectric dissipation factor .............................................................................................. 9

20 Resistance to transformer oil ........................................................................................... 9

21 Loss of mass ................................................................................................................... 9

23 Pin hole test .................................................................................................................... 9

30 Packaging ....................................................................................................................... 9

Bibliography .......................................................................................................................... 10

Table 1 – Mandrel winding ...................................................................................................... 8

---------------------- Page: 4 ----------------------
IEC 60317-80:2019 © IEC 2019 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES –
Part 80: Polyvinyl acetal enamelled rectangular copper wire,
class 120, with a bonding layer
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international

co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and

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rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 60317-80 has been prepared by IEC technical committee 55:

Winding wires.
The text of this International Standard is based on the following documents:
FDIS Report on voting
55/1790/FDIS 55/1802/RVD

Full information on the voting for the approval of this International Standard can be found in the

report on voting indicated in the above table.

This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

This International Standard is to be read in conjunction with IEC 60317-0-2:2019.

---------------------- Page: 5 ----------------------
– 4 – IEC 60317-80:2019 © IEC 2019

A list of all parts in the IEC 60317 series, published under the general title Specifications for

particular types of winding wires, can be found on the IEC website.

The numbering of clauses in this standard is not continuous from Clauses 21 through 30 in

order to reserve space for possible future wire requirements prior to those for wire packaging.

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to

the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
---------------------- Page: 6 ----------------------
IEC 60317-80:2019 © IEC 2019 – 5 –
INTRODUCTION

This part of IEC 60317 forms an element of a series of standards which deals with insulated

wires used for windings in electrical equipment. It is composed of the following series:

1) Winding wires – Test methods (IEC 60851 series);
2) Specifications for particular types of winding wires (IEC 60317 series);
3) Packaging of winding wires (IEC 60264 series).
---------------------- Page: 7 ----------------------
– 6 – IEC 60317-80:2019 © IEC 2019
SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES –
Part 80: Polyvinyl acetal enamelled rectangular copper wire,
class 120, with a bonding layer
1 Scope

This part of IEC 60317 specifies the requirements of enamelled rectangular copper winding wire

of class 120 with a dual coating. The underlying coating is based on polyvinyl acetal resin,

which can be modified providing it retains the chemical identity of the original resin and meets

all specified wire requirements. The second coating is a bonding layer based on a thermoplastic

or thermosetting resin.

NOTE A modified resin is a resin that has undergone a chemical change, or contains one or more additives to

enhance certain performance or application characteristics.
The range of nominal conductor dimensions covered by this document is:
– width: min. 2,00 mm max. 16,00 mm;
– thickness: min. 0,80 mm max. 5,60 mm.

Wires of grade 1 and grade 2 are included in this specification and apply to the complete range

of conductors.

The specified combinations of nominal width and thickness as well as the specified ratio

width/thickness are given in IEC 60317-0-2:2019.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies.

For undated references, the latest edition of the referenced document (including any

amendments) applies.

IEC 60317-0-2:2019 , Specifications for particular types of winding wires – Part 0-2: General

requirements – Enamelled rectangular copper wire
IEC 60851-4:2016, Winding wires – Test methods – Part 4: Chemical properties
3 Terms, definitions, general notes and appearance
3.1 Terms and definitions

For the purposes of this document, the terms and definitions given in IEC 60317-0-2:2019 apply.

ISO and IEC maintain terminological databases for use in standardization at the following

addresses:
___________
Under preparation. Stage at the time of publication: IEC CDV 60317-0-2:2019.
---------------------- Page: 8 ----------------------
IEC 60317-80:2019 © IEC 2019 – 7 –
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.2 General notes
3.2.1 Methods of test

Subclause 3.2.1 of IEC 60317-0-2:2019 applies. In case of inconsistencies between IEC 60317-

0-2:2019 and this part of IEC 60317, this document IEC 60317-80 shall prevail.
3.2.2 Winding wire

Class 120 is a thermal class that requires a minimum temperature index of 120 and a heat

shock temperature of at least 155 °C.

The temperature in degrees Celsius corresponding to the temperature index is not necessarily

that at which it is recommended that the wire be operated and this will depend on many factors,

including the type of equipment involved.
3.3 Appearance
Subclause 3.3 of IEC 60317-0-2:2019 applies.
4 Dimensions
4.1 Conductor dimensions
Subclause 4.1 of IEC 60317-0-2:2019 applies.
4.2 Enamel layer
Subclause 4.2 of IEC 60317-0-2:2019 applies.
4.3 Bonding layer
Clause 4.4.2 of IEC 60317-0-2:2019 applies.
5 Electrical resistance
Clause 5 of IEC 60317-0-2:2019 applies.
6 Elongation
Clause 6 of IEC 60317-0-2:2019 applies.

NOTE When the value of the proof strength of the copper is specified between minimum and maximum limits, the

requirements are agreed upon between the purchaser and supplier. The description of the term “proof strength” and

the method of determination are given in ISO 6892-1:2016.
7 Springiness
Clause 7 of IEC 60317-0-2:2019 applies.
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– 8 – IEC 60317-80:20
...

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