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IEC TS 61980-2:2019

(Main)

Electric vehicle wireless power transfer (WPT) systems - Part 2: Specific requirements for communication between electric road vehicle (EV) and infrastructure

Electric vehicle wireless power transfer (WPT) systems - Part 2: Specific requirements for communication between electric road vehicle (EV) and infrastructure

IEC TS 61980-2:2019 applies to communication between electric road vehicle (EV) and wireless power transfer (WPT) systems when connected to the supply network, at standard supply voltages per IEC 60038 up to 1000 V AC and up to 1500 V DC.
This document also applies to wireless power transfer equipment supplied from on-site storage systems (e.g. buffer batteries) at standard supply voltages per IEC 60038 up to 1000 V AC and up to 1500 V DC.
The aspects covered in this document include
– standards for operational characteristics and functional characteristics of the WPT communication subsystem,
– communication requirements for WPT system while driving, which are under consideration,
– communication requirements for two- and three-wheel vehicles, which are under consideration, and
– communication requirements for bidirectional power transfer are under consideration
This document does not apply to
– safety aspects related to maintenance, and
– trolley buses, rail vehicles and vehicles designed primarily for use off-road.

General Information

Status
Replaced
Publication Date
12-Jun-2019
ICS
01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
43.120 - Electric road vehicles
Technical Committee
TC 69 - Electrical power/energy transfer systems for electrically propelled road vehicles and industrial trucks
Drafting Committee
WG 7 - TC 69/WG 7
Current Stage
DELPUB - Deleted Publication
Start Date
22-Nov-2019
Completion Date
03-May-2023
Ref Project

Relations

Revised
IEC 61980-2:2023 - Electric vehicle wireless power transfer (WPT) systems - Part 2: Specific requirements for MF-WPT system communication and activities
Effective Date
05-Sep-2023

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IEC TS 61980-2:2019 - Electric vehicle wireless power transfer (WPT) systems - Part 2: Specific requirements for communication between electric road vehicle (EV) and infrastructureIEC TS 61980-2:2019 - Electric vehicle wireless power transfer (WPT) systems - Part 2: Specific requirements for communication between electric road vehicle (EV) and infrastructure
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IEC TS 61980-2:2019 - Electric vehicle wireless power transfer (WPT) systems - Part 2: Specific requirements for communication between electric road vehicle (EV) and infrastructure
English language
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IEC TS 61980-2 ®
Edition 1.0 2019-06
TECHNICAL
SPECIFICATION
colour
inside
Electric vehicle wireless power transfer (WPT) systems –
Part 2: Specific requirements for communication between electric road vehicle
(EV) and infrastructure
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
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3, rue de Varembé info@iec.ch
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About the IEC
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IEC TS 61980-2 ®
Edition 1.0 2019-06
TECHNICAL
SPECIFICATION
colour
inside
Electric vehicle wireless power transfer (WPT) systems –

Part 2: Specific requirements for communication between electric road vehicle

(EV) and infrastructure
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 43.120 ISBN 978-2-8322-6679-3

– 2 – IEC TS 61980-2:2019  IEC 2019
CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope . 10
2 Normative references . 10
3 Terms and definitions . 11
4 Abbreviated terms . 14
5 Communication of WPT systems . 14
5.1 General . 14
5.2 System architecture . 14
5.3 General system requirements . 16
5.3.1 General . 16
5.3.2 Interoperability requirements . 16
5.3.3 System configuration . 16
5.3.4 Communication security . 17
5.3.5 Timing . 17
6 Power transfer process with respect to communication . 17
6.1 General . 17
6.2 Overview of operation process activities . 17
6.3 Activities . 18
6.3.1 Communication setup and service selection . 18
6.3.2 Reject WPT session . 18
6.3.3 Fine positioning . 18
6.3.4 Pairing . 19
6.3.5 Final compatibility check . 19
6.3.6 Initial alignment check . 20
6.3.7 Prepare power transfer . 20
6.3.8 Time scheduled power transfer (informative) . 21
6.3.9 Perform power transfer . 22
6.3.10 Stop power transfer . 23
6.3.11 WPT session . 24
6.3.12 EV leaves WPT spot . 24
6.3.13 Safety monitoring and diagnostics . 24
6.3.14 Terminate communication . 25
6.3.15 Terminate safety monitoring and diagnostics . 25
6.3.16 Wake-up after power outage . 25
7 Control process states . 26
7.1 Supply device state definitions . 26
7.1.1 Supply device state diagram . 26
7.1.2 Stand by (WPT_S_SB) . 27
7.1.3 Service initiated (WPT_S_SI) . 27
7.1.4 WPT session rejected . 28
7.1.5 Awaiting alignment (WPT_S_AA) . 29
7.1.6 Idle (WPT_S_IDLE) . 31
7.1.7 Power transfer (WPT_S_PT) . 32
7.1.8 Service terminated occupied (WPT_S_STO) . 33
7.1.9 Out of service (WPT_S_OOS) . 34

7.1.10 Sleep mode WPT_S_SLP . 34
7.2 Supply device state transitions . 35
7.3 EV device state definitions . 36
7.3.1 EV device state diagram . 36
7.3.2 Stand by (WPT_V_SB) . 37
7.3.3 Service initiated (WPT_V_SI) . 38
7.3.4 Awaiting alignment (WPT_V_AA) . 39
7.3.5 Idle (WPT_V_IDLE) . 40
7.3.6 Power transfer active (WPT_V_PT) . 40
7.3.7 Off (WPT_V_OFF) . 40
7.4 EV state transitions . 40
7.5 Exception handling. 41
7.5.1 General . 41
7.5.2 Supply device exception handling (WPT_S_ERR) . 41
7.5.3 EV device exception handling (WPT_V_ERR) . 41
7.5.4 Exception descriptions . 42
8 Communication parameter for WPT systems . 42
8.1 General . 42
8.2 General parameters . 42
8.3 Communication setup . 42
8.4 Service selection . 43
8.5 Fine positioning . 45
8.5.1 General . 45
8.5.2 Starting fine positioning . 45
8.5.3 Fine positioning data exchange . 45
8.5.4 Terminating fine positioning . 46
8.6 Pairing . 46
8.6.1 General . 46
8.6.2 Start pairing . 46
8.7 Initial alignment check . 47
8.7.1 General . 47
8.7.2 Initial alignment check request/response . 47
8.8 Prepare power transfer . 48
8.8.1 General . 48
8.8.2 Final compatibility check . 48
8.9 Perform power transfer . 49
8.10 Stop power transfer . 50
8.11 Terminate communication . 50
8.12 Exception handling. 50
9 Message sequences of communication with WLAN . 51
9.1 General . 51
9.2 Messages of communication for power transfer . 51
9.3 Communication setup . 51
9.4 Service selection . 51
9.5 Fine positioning . 52
9.6 Pairing . 52
9.7 Final compatibility check . 52
9.8 Initial alignment check . 52
9.9 Prepare power transfer . 53

– 4 – IEC TS
...

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