Electric vehicle wireless power transfer (WPT) systems - Part 1: General requirements

IEC 61980-1:2015 applies to the equipment for the wireless transfer of electric power from the supply network to electric road vehicles for purposes of supplying electric energy to the RESS (Rechargeable energy storage system) and/or other on-board electrical systems in an operational state when connected to the supply network, at standard supply voltages ratings per IEC 60038 up to 1 000 V a.c. and up to 1 500 V d.c. This standard also applies to Wireless Power Transfer (WPT) equipment supplied from on-site storage systems (e.g. buffer batteries, etc.).
This publication is to be read in conjunction with the IEC 61980 series.
The contents of the corrigendum of January 2017 have been included in this copy.

Systèmes de transfert de puissance sans fil (WPT) pour véhicules électriques - Partie 1: Exigences générales

L'IEC 61980-1:2015 s'applique aux matériels pour le transfert sans fil du réseau électrique aux véhicules électriques routiers afin de fournir de l'énergie électrique au RESS (système de stockage de l'énergie rechargeable) et/ou à d'autres systèmes électriques embarqués en fonctionnement lorsqu'ils sont raccordés au réseau électrique, à des tensions d'alimentation assignées normalisées conformément à l'IEC 60038, jusqu'à des tensions alternatives de 1 000 V et des tensions continues de 1 500 V. La présente norme s'applique également aux matériels de transfert de puissance sans fil (WPT) qui équipent les systèmes de stockage sur site (par exemple, batteries tampons, etc.). La présente version bilingue (2016-11) correspond à la version anglaise monolingue publiée en 2015-07.
Le contenu du corrigendum de janvier 2017 a été pris en considération dans cet exemplaire.

General Information

Status
Published
Publication Date
23-Jul-2015
Current Stage
DELPUB - Deleted Publication
Completion Date
19-Nov-2020
Ref Project

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IEC 61980-1 ®
Edition 1.0 2015-07
INTERNATIONAL
STANDARD
colour
inside
Electric vehicle wireless power transfer (WPT) systems –
Part 1: General requirements
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form

or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from

either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or

your local IEC member National Committee for further information.

IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé Fax: +41 22 919 03 00

CH-1211 Geneva 20 info@iec.ch
Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.

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and withdrawn publications. have been collected from earlier publications of IEC TC 37,

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IEC 61980-1 ®
Edition 1.0 2015-07
INTERNATIONAL
STANDARD
colour
inside
Electric vehicle wireless power transfer (WPT) systems –

Part 1: General requirements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 43.120 ISBN 978-2-8322-2814-2

– 2 – IEC 61980-1:2015 © IEC 2015

CONTENTS
FOREWORD . 7

INTRODUCTION . 9

1 Scope . 10

2 Normative references. 10

3 Terms and definitions . 14

4 Abbreviations . 16

5 General . 17

6 Classification . 17
6.1 General . 17
6.2 Transfer technologies . 17
6.3 Transfer power classes . 18
6.4 Environmental conditions . 18
6.5 Installation . 18
7 Interoperability . 18
8 General system requirements . 19
8.1 General . 19
8.2 Efficiency . 20
8.3 Measurement convention . 21
8.3.1 General . 21
8.3.2 Orientation . 21
8.3.3 Measurement convention of the parking space . 21
8.3.4 Measurement convention of offset . 22
8.3.5 Measurement convention of the primary device . 23
8.3.6 Distance between the primary and secondary device (mechanical air
gap) . 23
8.3.7 Primary device mounting . 24
8.3.8 In-ground-mounting . 24
8.3.9 On-ground-mounting . 24
8.4 Primary and secondary device construction . 25
9 Communication . 25
9.1 Command and control communication. 25
9.2 High level communication . 25

10 Protection against electric shock . 26
10.1 General requirements . 26
10.2 Protection against direct contact . 26
10.2.1 Degrees of protection against access to hazardous parts . 26
10.2.2 IP degrees for the enclosures . 26
10.2.3 IP degrees for primary device . 26
10.3 Stored energy – discharge of capacitors . 26
10.4 Fault protection . 27
10.5 Protective conductor dimensions . 27
10.6 Supplementary measures . 27
10.6.1 Additional protection . 27
10.6.2 Manual/automatic reset . 28
10.7 Telecommunication network . 28
11 Specific requirements for WPT systems . 28

11.1 General . 28

11.2 Leakage – touch current . 28

11.3 Insulation resistance . 29

11.4 Dielectric withstand characteristic . 29

11.4.1 Dielectric withstand voltage . 29

11.4.2 Impulse dielectric withstand (1,2/50 µs) . 29

11.5 Overload protection and short circuit withstand . 30

11.5.1 General . 30

11.5.2 Earthing electrode and continuity test . 30

11.5.3 Earthing path test . 30
11.5.4 Short circuit withstand strength . 30
11.6 Temperature rise and protection against thermal incidents . 30
11.6.1 General . 30
11.6.2 Permissible surface temperature of accessible parts of the WPT system . 31
11.6.3 Temperature limits for materials . 32
11.6.4 Protection against burns from heating of foreign objects . 33
11.7 Heat, fire and tracking . 34
11.8 Protection against mechanical incident . 34
11.8.1 Incidents induced by sharp edge . 34
11.8.2 Incidents induced by steps from flat ground . 34
11.9 Areas of protection . 34
11.10 Protection from electro-magnetic field . 35
11.11 Operational safety . 35
11.12 Emergency service disconnect (optional) . 35
12 Power cable assembly requirements . 35
13 Constructional requirements . 36
13.1 General . 36
13.2 Breaking capacity of switching devices . 36
13.2.1 General . 36
13.2.2 Switch and switch-disconnector . 36
13.2.3 Contactor . 36
13.2.4 Circuit-breaker . 36
13.2.5 Relays . 36
13.3 Clearance and creepage distances . 36
13.4 Protection measures . 37

14 Strength of materials and parts . 37
14.1 General . 37
14.2 Stability/Mechanical impact . 37
14.2.1 Locations with restricted access . 37
14.2.2 Locations with non-restricted access . 38
14.2.3 Vehicle drive-over . 38
14.2.4 Lateral force by thrust power . 38
14.3 Mechanical load . 38
14.3.1 General . 38
14.3.2 Static load . 38
14.3.3 Shock load . 39
14.3.4 Torsional stress . 39
14.3.5 Strength of doors .
...


IEC 61980-1 ®
Edition 1.0 2015-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Electric vehicle wireless power transfer (WPT) systems –
Part 1: General requirements
Systèmes de transfert de puissance sans fil (WPT) pour véhicules électriques –
Partie 1: Exigences générales
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.

Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite
ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie
et les microfilms, sans l'accord écrit de l'IEC ou du Comité national de l'IEC du pays du demandeur. Si vous avez des
questions sur le copyright de l'IEC ou si vous désirez obtenir des droits supplémentaires sur cette publication, utilisez
les coordonnées ci-après ou contactez le Comité national de l'IEC de votre pays de résidence.

IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé Fax: +41 22 919 03 00
CH-1211 Geneva 20 info@iec.ch
Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.

IEC Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org
The stand-alone application for consulting the entire The world's leading online dictionary of electronic and
bibliographical information on IEC International Standards, electrical terms containing 20 000 terms and definitions in
Technical Specifications, Technical Reports and other English and French, with equivalent terms in 15 additional
documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical
iPad. Vocabulary (IEV) online.

IEC publications search - www.iec.ch/searchpub IEC Glossary - std.iec.ch/glossary
The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and
variety of criteria (reference number, text, technical French extracted from the Terms and Definitions clause of
committee,…). It also gives information on projects, replaced IEC publications issued since 2002. Some entries have been
and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and

CISPR.
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IEC 61980-1 ®
Edition 1.0 2015-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Electric vehicle wireless power transfer (WPT) systems –

Part 1: General requirements
Systèmes de transfert de puissance sans fil (WPT) pour véhicules électriques –

Partie 1: Exigences générales
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 43.120 ISBN 978-2-8322-3741-0

– 2 – IEC 61980-1:2015 © IEC 2015
CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope . 10
2 Normative references . 10
3 Terms and definitions . 14
4 Abbreviations . 16
5 General . 17
6 Classification . 17
6.1 General . 17
6.2 Transfer technologies . 17
6.3 Transfer power classes . 18
6.4 Environmental conditions . 18
6.5 Installation . 18
7 Interoperability . 18
8 General system requirements . 19
8.1 General . 19
8.2 Efficiency . 20
8.3 Measurement convention . 21
8.3.1 General . 21
8.3.2 Orientation . 21
8.3.3 Measurement convention of the parking space . 21
8.3.4 Measurement convention of offset . 22
8.3.5 Measurement convention of the primary device . 23
8.3.6 Distance between the primary and secondary device (mechanical air
gap) . 23
8.3.7 Primary device mounting . 24
8.3.8 In-ground-mounting . 24
8.3.9 On-ground-mounting . 24
8.4 Primary and secondary device construction . 25
9 Communication . 25
9.1 Command and control communication . 25
9.2 High level communication . 25
10 Protection against electric shock . 26
10.1 General requirements . 26
10.2 Protection against direct contact . 26
10.2.1 Degrees of protection against access to hazardous parts . 26
10.2.2 IP degrees for the enclosures . 26
10.2.3 IP degrees for primary device . 26
10.3 Stored energy – discharge of capacitors . 26
10.4 Fault protection . 27
10.5 Protective conductor dimensions . 27
10.6 Supplementary measures . 27
10.6.1 Additional protection . 27
10.6.2 Manual/automatic reset . 28
10.7 Telecommunication network . 28
11 Specific requirements for WPT systems . 28

11.1 General . 28
11.2 Leakage – touch current . 28
11.3 Insulation resistance . 29
11.4 Dielectric withstand characteristic . 29
11.4.1 Dielectric withstand voltage . 29
11.4.2 Impulse dielectric withstand (1,2/50 µs) . 29
11.5 Overload protection and short circuit withstand . 30
11.5.1 General . 30
11.5.2 Earthing electrode and continuity test . 30
11.5.3 Earthing path test . 30
11.5.4 Short circuit withstand strength . 30
11.6 Temperature rise and protection against thermal incidents . 30
11.6.1 General . 30
11.6.2 Permissible surface temperature of accessible parts of the WPT system . 31
11.6.3 Temperature limits for materials . 32
11.6.4 Protection against burns from heating of foreign objects . 33
11.7 Heat, fire and tracking . 34
11.8 Protection against mechanical incident . 34
11.8.1 Incidents induced by sharp edge. 34
11.8.2 Incidents induced by steps from flat ground . 34
11.9 Areas of protection . 34
11.10 Protection from electro-magnetic field . 35
11.11 Op
...

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