Specifications for particular types of winding wires - Part 27-1: Paper tape covered round copper wire

IEC 60317-27-1:2020 specifies the requirements of paper tape covered round copper winding wires. This covering consists of two or more layers of paper tape and is primarily intended for winding coils for oil immersed transformers. The range of nominal conductor diameters covered by this document is:
– 0,500 mm up to and including 5,000 mm.
The nominal conductor diameters are specified in Clause 4 of IEC 60317-0-1:2013.
The paper tapes included in this document are restricted to those specified in IEC 60554-1 and IEC 60554-3-5.

Spécifications pour types particuliers de fils de bobinage - Partie 27-1: Fil de section circulaire en cuivre recouvert de ruban papier

IEC 60317-27-1:2020 spécifie les exigences relatives aux fils de bobinage de section circulaire en cuivre recouverts de ruban papier. Ce revêtement est constitué d'au moins deux couches de ruban papier et est essentiellement destiné au bobinage pour les transformateurs immergés dans l'huile.
La gamme des diamètres nominaux des conducteurs couverts par le présent document est:
– 0,500 mm jusques et y compris 5,000 mm inclus.
Les diamètres nominaux des conducteurs sont spécifiés dans l’Article 4 de l’IEC 60317-0-1:2013.
Les rubans papier concernés par le présent document sont limités à ceux qui sont spécifiés dans l’IEC 60554-1 et l’IEC 60554-3-5.

General Information

Status
Published
Publication Date
26-May-2020
Technical Committee
Current Stage
PPUB - Publication issued
Completion Date
27-May-2020
Ref Project

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IEC 60317-27-1
Edition 1.0 2020-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Specifications for particular types of winding wires –
Part 27-1: Paper tape covered round copper wire
Spécifications pour types particuliers de fils de bobinage –
Partie 27-1: Fil de section circulaire en cuivre recouvert de ruban papier
IEC 60317-27-1:2020-05(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 60317-27-1
Edition 1.0 2020-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Specifications for particular types of winding wires –
Part 27-1: Paper tape covered round copper wire
Spécifications pour types particuliers de fils de bobinage –
Partie 27-1: Fil de section circulaire en cuivre recouvert de ruban papier
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.060.10 ISBN 978-2-8322-8397-4

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 60317-27-1:2020  IEC 2020
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 diameter ................................................................................................ 7

4.2 Out of roundness of conductor ................................................................................ 7

4.3 Increase in diameter due to paper tape covering ..................................................... 7

4.4 Maximum overall diameter ...................................................................................... 8

5 Electrical resistance ........................................................................................................ 8

6 Elongation ....................................................................................................................... 8

7 Springiness ..................................................................................................................... 8

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

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

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

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

12 Resistance to solvents ..................................................................................................... 9

13 Breakdown voltage .......................................................................................................... 9

14 Continuity of insulation .................................................................................................... 9

15 Temperature index .......................................................................................................... 9

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

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

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

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

20 Resistance to hydrolysis and to transformer oil ................................................................ 9

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

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

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

Bibliography .......................................................................................................................... 11

Table 1 – Increase in diameters .............................................................................................. 8

---------------------- Page: 4 ----------------------
IEC 60317-27-1:2020  IEC 2020 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES –
Part 27-1: Paper tape covered round copper wire
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 60317-27-1 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
55/1838/FDIS 55/1863/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 used in conjunction with IEC 60317-0-1:2013 and

IEC 60317-0-1:2013/AMD1:2019.
---------------------- Page: 5 ----------------------
– 4 – IEC 60317-27-1:2020  IEC 2020

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 60317-27-1:2020  IEC 2020 – 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 60317-27-1:2020  IEC 2020
SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES –
Part 27-1: Paper tape covered round copper wire
1 Scope

This part of IEC 60317 specifies the requirements of paper tape covered round copper winding

wires. This covering consists of two or more layers of paper tape and is primarily intended for

winding coils for oil immersed transformers.
The range of nominal conductor diameters covered by this document is:
– 0,500 mm up to and including 5,000 mm.
The nominal conductor diameters are specified in Clause 4 of IEC 60317-0-1:2013.

The paper tapes included in this document are restricted to those specified in IEC 60554-1 and

IEC 60554-3-5.
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 60317-0-1:2013, Specifications for particular types of winding wires – Part 0-1: General

requirements – Enamelled round copper wire
IEC 60317-0-1:2013/AMD1:2019

IEC 60554-1, Specification for cellulosic papers for electrical purposes – Part 1: Definitions and

general requirements

IEC 60554-3-5, Specification for cellulosic papers for electrical purposes – Part 3:

Specifications for individual materials – Sheet 5: Special papers
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 60317-0-1 and the

following apply.

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

addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1.1
covering
material which is wound, wrapped or braided around a bare or insulated conductor
---------------------- Page: 8 ----------------------
IEC 60317-27-1:2020  IEC 2020 – 7 –
[SOURCE: IEC 60317-0-6:2020, 3.1.3]
3.2 General notes
3.2.1 Methods of test

Subclause 3.2.1 of IEC 60317-0-1:2013 and IEC 60317-0-1:2013/AMD1:2019 applies. In case

of inconsistency between IEC 60317-0-1 and this document, IEC 60317-27-1 shall prevail.

3.2.2 Winding wire

The number of paper tapes, type of paper, paper tape thickness, and the degree of overlap

shall be agreed upon between the purchaser and supplier.

When a reference is made to winding wire according to this document, the following information

shall be given in the description:
– reference to IEC 60317-27-1;
– nominal conductor diameters in millimetres;
– nominal increase in diameters due to paper.
EXAMPLE: IEC 60317-27-1 3,200 + 0,30
3.3 Appearance

The conductor shall be essentially free from copper dust and other extraneous matter when

examined with normal vision, as wound on the original spool or reel. The paper covering shall

be of one or more tapes wrapped firmly, closely, evenly, and continuously around the conductor.

No bonding or adhesive material shall be used except to anchor the ends of paper tapes.

4 Dimensions
4.1 Conductor diameter
Subclause 4.1 of IEC 60317-0-1: 2013 applies.
4.2 Out of roundness of conductor
Subclause 4.2 of IEC 60317-0-1: 2013 applies.
4.3 Increase in diameter due to paper tape covering

The increase in diameter due to the paper tape covering shall be agreed between purchaser

and supplier and the minus tolerance shall not exceed the values given in Table 1.

The maximum increase may be exceeded, provided that the maximum overall diameter does

not exceed the sum of the maximum diameters of the conductor plus the maximum increase

given in Table 1.
---------------------- Page: 9 ----------------------
– 8 – IEC 60317-27-1:2020  IEC 2020
Table 1 – Increase in diameters
Increase in diameters due to the paper covering Tolerance
mm %
Over Up to and including
−10
- 0,50
−7.5
0,50 1,25
1,25 -
4.4 Maximum overall diameter

The overall diameters shall not exceed the sum of the maximum bare diameters given in 4.1

and the maximum increase in diameters permitted in 4.3.
5 Electrical resistance
Clause 5 of IEC 60317-0-1:2013 and IEC 60317-0-1:2013/AMD1:2019 applies.
6 Elongation
Clause 6 of IEC 60317-0-1:2013 applies.
7 Springiness
Test appropriate but no requirements specified.
8 Flexibility and adherence

Because of the great variation in the number and the thickness of papers applied, the

requirements for flexibility shall be agreed between purchaser and supplier at the time of placing

the order.
9 Heat shock
Test inappropriate.
10 Cut-through
Test inappropriate.
11 Resistance to abrasion
Test
...

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