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

This Part of IEC 61980, (in a first step as Technical Specification for three-year period) 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 1000V a.c. and up to 1500 V d.c..This standard also applies to Wireless Power Transfer (WPT) equipment supplied from on-site storage systems (e.g. buffer batteries etc.) at standard supply voltages per IEC 60038 up to 1000V a.c. and up to 1500 V d.c..

Kontaktlose Energieübertragungssysteme (WPT) für Elektrofahrzeuge - Teil 2: Besondere Anforderungen für die Kommunikation zwischen Elektrostraßenfahrzeugen und Infrastruktur

Systèmes de transport d'énergie sans fil pour véhicules électriques - Partie 2 : Exigences spécifiques en matière de communication entre un véhicule électrique routier et l'infrastructure par rapport aux systèmes de transport d'énergie sans fil

Brezžični sistemi za prenos električne energije za električna vozila (WPT) - 2. del: Posebne zahteve za komunikacijo med električnim cestnim vozilom in infrastrukturo glede na sisteme brezžičnega prenosa energije

General Information

Status
Published
Publication Date
20-Jul-2020
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
07-Jul-2020
Due Date
11-Sep-2020
Completion Date
21-Jul-2020

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SLOVENSKI STANDARD
SIST-TS CLC IEC/TS 61980-2:2020
01-september-2020

Brezžični sistemi za prenos električne energije za električna vozila (WPT) - 2. del:

Posebne zahteve za komunikacijo med električnim cestnim vozilom in
infrastrukturo glede na sisteme brezžičnega prenosa energije

Electric vehicle wireless power transfer (wpt) systems - Part 2: Specific requirements for

communication between electric road vehicle (EV) and infrastructure with respect to

wireless power transfer (WPT) systems
Kontaktlose Energieübertragungssysteme (WPT) für Elektrofahrzeuge - Teil 2:
Besondere Anforderungen für die Kommunikation zwischen Elektrostraßenfahrzeugen
und Infrastruktur

Systèmes de transport d'énergie sans fil pour véhicules électriques - Partie 2 : Exigences

spécifiques en matière de communication entre un véhicule électrique routier et
l'infrastructure par rapport aux systèmes de transport d'énergie sans fil
Ta slovenski standard je istoveten z: CLC IEC/TS 61980-2:2020
ICS:
43.120 Električna cestna vozila Electric road vehicles
SIST-TS CLC IEC/TS 61980-2:2020 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST-TS CLC IEC/TS 61980-2:2020
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SIST-TS CLC IEC/TS 61980-2:2020
TECHNICAL SPECIFICATION CLC IEC/TS 61980-2
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
June 2020
ICS 43.120
English Version
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)

Systèmes de transfert de puissance sans fil (WPT) pour Kontaktlose Energieübertragungssysteme (WPT) für

véhicules électriques - Partie 2 : Exigences spécifiques en Elektrofahrzeuge - Teil 2: Besondere Anforderungen für die

matière de communication entre un véhicule électrique Kommunikation zwischen Elektrostraßenfahrzeugen und

routier et l'infrastructure Infrastruktur
(IEC/TS 61980-2:2019) (IEC/TS 61980-2:2019)
This Technical Specification was approved by CENELEC on 2020-05-25.

CENELEC members are required to announce the existence of this TS in the same way as for an EN and to make the TS available promptly

at national level in an appropriate form. It is permissible to keep conflicting national standards in force.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,

Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the

Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. CLC IEC/TS 61980-2:2020 E
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SIST-TS CLC IEC/TS 61980-2:2020
CLC IEC /TS 61980-2:2020 (E)
European foreword

This document (CLC IEC/TS 61980-2:2020) consists of the text of IEC/TS 61980-2:2019

prepared by IEC/TC 69 "Electric road vehicles and electric industrial trucks".

Attention is drawn to the possibility that some of the elements of this document may be the

subject of patent rights. CENELEC shall not be held responsible for identifying any or all

such patent rights.
Endorsement notice

The text of the International Technical Specification IEC/TS 61980-2:2019 was approved by

CENELEC as a European Technical Specification without any modification.

In the official version, for Bibliography, the following notes have to be added for the standards

indicated:
IEC 60038:2009 NOTE Harmonized as EN 60038:2011
ISO 15118-1 NOTE Harmonized as EN ISO 15118-1
ISO 15118-5 NOTE Harmonized as EN ISO 15118-5
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SIST-TS CLC IEC/TS 61980-2:2020
CLC IEC /FprTS 61980-2:2020 (E)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

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.

NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant

EN/HD applies.

NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:

www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 61980-1 - Electric vehicle wireless power transfer - -
(WPT) systems - Part 1: General
requirements

IEC/TS 61980-3 2019 Electric vehicle wireless power transfer CLC IEC/TS 61980-3 2020

(wpt) systems - Part 3: Specific
requirements for the magnetic field
wireless power transfer systems
ISO 15118 series Road vehicles - Vehicle-to-grid EN ISO 15118 series
communication Interface
ISO 15118-2 - Road vehicles - Vehicle-to-grid EN ISO 15118-2 -
communication Interface - Part 2: Network
and application protocol requirements
ISO 15118-8 2018 Road vehicles - Vehicle to grid EN ISO 15118-8 2019
communication interface - Part 8: Physical
layer and data link layer requirements for
wireless communication
ISO 15118-20 - Road vehicles - Vehicle to grid - -
communication interface - Part 20: 2nd
generation network and application
protocol requirements
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SIST-TS CLC IEC/TS 61980-2:2020
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SIST-TS CLC IEC/TS 61980-2:2020
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

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

® Registered trademark of the International Electrotechnical Commission
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SIST-TS CLC IEC/TS 61980-2:2020
– 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

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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

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9.10 Perform power transfer ......................................................................................... 53

9.11 Stop power transfer .............................................................................................. 54

9.12 Terminate communication ..................................................................................... 54

Annex A (informative) Use cases ........................................................................................ 55

A.1 General ................................................................................................................. 55

A.2 Use case descriptions ........................................................................................... 57

A.2.1 UC select supply device ................................................................................ 57

A.2.2 UC service selection ...................................................................................... 59

A.2.3 UC fine positioning ........................................................................................ 60

A.2.4 UC prepare power transfer ............................................................................ 62

A.2.5 UC safety monitoring and diagnostics ............................................................ 64

A.2.6 UC perform power transfer ............................................................................ 64

A.2.7 UC stop power transfer .................................................................................. 65

A.2.8 UC sleep mode (optional) .............................................................................. 67

Annex B (informative) Physical definition of links and signals............................................... 69

B.1 General ................................................................................................................. 69

B.2 System architecture .............................................................................................. 69

B.3 WLAN ................................................................................................................... 69

B.4 SR signal .............................................................................................................. 69

B.5 LF signal (EV device to supply device) .................................................................. 70

B.6 Magnetic vector (EV device to supply device) ....................................................... 72

B.7 LPE (supply device to EV device) ......................................................................... 72

Annex C (informative) Usage of supplemental signals .......................................................... 73

C.1 General ................................................................................................................. 73

C.2 Fine positioning .................................................................................................... 73

C.2.1 General ......................................................................................................... 73

C.2.2 Manual .......................................................................................................... 73

C.2.3 Low power excitation (LPE) ........................................................................... 73

C.2.4 LF signal ....................................................................................................... 74

C.2.5 Magnetic vector ............................................................................................. 77

C.3 Pairing .................................................................................................................. 77

C.3.1 General ......................................................................................................... 77

C.3.2 Coding pattern specification........................................................................... 77

C.3.3 Low power excitation (LPE) ........................................................................... 78

C.3.4 SR signal ....................................................................................................... 79

C.3.5 LF signal ....................................................................................................... 79

C.3.6 Magnetic vector ............................................................................................. 79

C.4 Initial alignment check .......................................................................................... 80

C.4.1 General ......................................................................................................... 80

C.4.2 LPE target current check ............................................................................... 80

C.4.3 RSSI method ................................................................................................. 81

C.5 Continuous alignment check ................................................................................. 82

C.5.1 General ......................................................................................................... 82

C.5.2 System anomaly check .................................................................................. 82

C.5.3 SR signal ....................................................................................................... 83

C.6 Emergency shutdown ............................................................................................ 83

C.6.1 General ......................................................................................................... 83

C.6.2 RF signal ....................................................................................................... 83

C.6.3 Power termination .......................................................................................... 83

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SIST-TS CLC IEC/TS 61980-2:2020
IEC TS 61980-2:2019  IEC 2019 – 5 –

Bibliography .......................................................................................................................... 84

Figure 1 – Possible elements of combination in a communication subsystem ........................ 15

Figure 2 – WPT site with a single supply device .................................................................... 16

Figure 3 – Operation process of activities for the WPT .......................................................... 17

Figure 4 – Supply device state diagram ................................................................................ 26

Figure 5 – Activity communication setup ............................................................................... 27

Figure 6 – Activity service selection ...................................................................................... 28

Figure 7 – Activity reject WPT session .................................................................................. 29

Figure 8 – Activity from fine positioning to initial alignment check ......................................... 30

Figure 9 – Activity prepare power transfer ............................................................................. 31

Figure 10 – Activity terminate WPT session .......................................................................... 32

Figure 11 – Activity Sleep ..................................................................................................... 32

Figure 12 – Activity stop power transfer ................................................................................ 33

Figure 13 – Activity EV leave WPT spot ................................................................................ 34

Figure 14 – Activity wake-up ................................................................................................. 35

Figure 15 – EV device state diagram .................................................................................... 37

Figure 16 – Activity communication setup (EV device state) .................................................. 38

Figure 17 – Activity service selection (EV device state) ......................................................... 38

Figure 18 – Activity from fine positioning to initial alignment check (EV device state) ............ 39

Figure 19 – Activity prepare power transfer (EV device state) ............................................... 40

Figure A.1 – Use cases particularly for wireless power transfer ............................................. 55

Figure A.2 – Use cases from ISO 15118-1 reusable for WPT systems................................... 56

Figure A.3 – Activity diagram for UC select supply device ..................................................... 58

Figure A.4 – Activity diagram for UC fine positioning ............................................................. 61

Figure A.5 – Activity diagram for UC prepare power transfer ................................................. 63

Figure A.6 – Activity diagram for UC perform power transfer ................................................. 65

Figure A.7 – Activity diagram for UC stop power transfer ...................................................... 66

Figure A.8 – Activity diagram for UC sleep mode .................................................................. 68

Figure B.1 – Example arrangement of the auxiliary LF antennas for the primary device

(left) and the vehicle (right) ................................................................................................... 71

Figure B.2 – Example arrangement of the auxiliary LF antennas for the primary device

(left) and the EV (right) ......................................................................................................... 72

Figure C.1 – Explanation of parameters for LF fine positioning ............................................. 76

Figure C.2 – Coding pattern timing and examples ................................................................. 78

Figure C.3 – Symmetrical antenna configuration for signal comparison with zero offset ........ 81

Figure C.4 – Symmetrical antenna configuration for signal comparison with given offset ....... 82

Table 1 – Supply device state transitions .............................................................................. 35

Table 2 – EV device state transitions .................................................................................... 41

Table 3 – Exception handling ................................................................................................ 42

Table 4 – Service selection EVCC request parameters ......................................................... 43

Table 5 – Service selection SECC response parameters ....................................................... 43

Table 6 – Method list for fine positioning ............................................................................... 44

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SIST-TS CLC IEC/TS 61980-2:2020
– 6 – IEC TS 61980-2:2019  IEC 2019

Table 7 – Method list for pairing ............................................................................................ 45

Table 8 – Method list for initial alignment .............................................................................. 45

Table 9 – Fine positioning response ...................................................................................... 45

Table 10 – Pairing start requ
...

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