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BSI PD IEC TS 61980-2:2019

BSI PD IEC TS 61980-2:2019

$215.11

Electric vehicle wireless power transfer (WPT) systems – Specific requirements for communication between electric road vehicle (EV) and infrastructure

Published By Publication Date Number of Pages
BSI 2019 88
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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 โ€“ standards for operational characteristics and functional characteristics of the WPT communication subsystem, โ€“ communication requirements for WPT system while driving, which are under consideration, โ€“ communication requirements for two- and three-wheel vehicles, which are under consideration, and โ€“ communication requirements for bidirectional power transfer are under consideration This document does not apply to โ€“ safety aspects related to maintenance, and โ€“ trolley buses, rail vehicles and vehicles designed primarily for use off-road.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
9 FOREWORD
11 INTRODUCTION
12 1 Scope
2 Normative references
13 3 Terms and definitions
16 4 Abbreviated terms
5 Communication of WPT systems
5.1 General
5.2 System architecture
17 Figures
Figure 1 โ€“ Possible elements of combination in a communication subsystem
18 5.3 General system requirements
5.3.1 General
5.3.2 Interoperability requirements
5.3.3 System configuration
Figure 2 โ€“ WPT site with a single supply device
19 5.3.4 Communication security
5.3.5 Timing
6 Power transfer process with respect to communication
6.1 General
6.2 Overview of operation process activities
Figure 3 โ€“ Operation process of activities for the WPT
20 6.3 Activities
6.3.1 Communication setup and service selection
6.3.2 Reject WPT session
6.3.3 Fine positioning
21 6.3.4 Pairing
6.3.5 Final compatibility check
22 6.3.6 Initial alignment check
6.3.7 Prepare power transfer
23 6.3.8 Time scheduled power transfer (informative)
24 6.3.9 Perform power transfer
25 6.3.10 Stop power transfer
26 6.3.11 WPT session
6.3.12 EV leaves WPT spot
6.3.13 Safety monitoring and diagnostics
27 6.3.14 Terminate communication
6.3.15 Terminate safety monitoring and diagnostics
6.3.16 Wake-up after power outage
28 7 Control process states
7.1 Supply device state definitions
7.1.1 Supply device state diagram
Figure 4 โ€“ Supply device state diagram
29 7.1.2 Stand by (WPT_S_SB)
7.1.3 Service initiated (WPT_S_SI)
Figure 5 โ€“ Activity communication setup
30 7.1.4 WPT session rejected
Figure 6 โ€“ Activity service selection
31 7.1.5 Awaiting alignment (WPT_S_AA)
Figure 7 โ€“ Activity reject WPT session
32 Figure 8 โ€“ Activity from fine positioning to initial alignment check
33 7.1.6 Idle (WPT_S_IDLE)
Figure 9 โ€“ Activity prepare power transfer
34 7.1.7 Power transfer (WPT_S_PT)
Figure 10 โ€“ Activity terminate WPT session
Figure 11 โ€“ Activity Sleep
35 7.1.8 Service terminated occupied (WPT_S_STO)
Figure 12 โ€“ Activity stop power transfer
36 7.1.9 Out of service (WPT_S_OOS)
7.1.10 Sleep mode WPT_S_SLP
Figure 13 โ€“ Activity EV leaves WPT spot
37 7.2 Supply device state transitions
Figure 14 โ€“ Activity wake-up
Tables
Table 1 โ€“ Supply device state transitions
38 7.3 EV device state definitions
7.3.1 EV device state diagram
39 7.3.2 Stand by (WPT_V_SB)
Figure 15 โ€“ EV device state diagram
40 7.3.3 Service initiated (WPT_V_SI)
Figure 16 โ€“ Activity communication setup (EV device state)
Figure 17 โ€“ Activity service selection (EV device state)
41 7.3.4 Awaiting alignment (WPT_V_AA)
Figure 18 โ€“ Activity from fine positioning to initial alignment check (EV device state)
42 7.3.5 Idle (WPT_V_IDLE)
7.3.6 Power transfer active (WPT_V_PT)
7.3.7 Off (WPT_V_OFF)
7.4 EV state transitions
Figure 19 โ€“ Activity prepare power transfer (EV device state)
43 7.5 Exception handling
7.5.1 General
7.5.2 Supply device exception handling (WPT_S_ERR)
7.5.3 EV device exception handling (WPT_V_ERR)
Table 2 โ€“ EV device state transitions
44 7.5.4 Exception descriptions
8 Communication parameter for WPT systems
8.1 General
8.2 General parameters
8.3 Communication setup
Table 3 โ€“ Exception handling
45 8.4 Service selection
Table 4 โ€“ Service selection EVCC request parameters
Table 5 โ€“ Service selection SECC response parameters
46 Table 6 โ€“ Method list for fine positioning
47 8.5 Fine positioning
8.5.1 General
8.5.2 Starting fine positioning
8.5.3 Fine positioning data exchange
Table 7 โ€“ Method list for pairing
Table 8 โ€“ Method list for initial alignment
Table 9 โ€“ Fine positioning response
48 8.5.4 Terminating fine positioning
8.6 Pairing
8.6.1 General
8.6.2 Start pairing
Table 10 โ€“ Pairing start request
Table 11 โ€“ Pairing start response
49 8.7 Initial alignment check
8.7.1 General
8.7.2 Initial alignment check request/response
Table 12 โ€“ Pairing confirmation request
Table 13 โ€“ Pairing confirmation response
Table 14 โ€“ Initial alignment check request
Table 15 โ€“ Initial alignment check response
50 8.8 Prepare power transfer
8.8.1 General
8.8.2 Final compatibility check
Table 16 โ€“ Final compatibility check request parameters
Table 17 โ€“ Final compatibility check response parameters
51 8.9 Perform power transfer
Table 18 โ€“ Perform power transfer request parameters
Table 19 โ€“ Perform power transfer response parameters
52 8.10 Stop power transfer
8.11 Terminate communication
8.12 Exception handling
Table 20 โ€“ Error request parameters
Table 21 โ€“ Error respond parameters
53 9 Message sequences of communication with WLAN
9.1 General
9.2 Messages of communication for power transfer
9.3 Communication setup
9.4 Service selection
54 9.5 Fine positioning
9.6 Pairing
9.7 Final compatibility check
9.8 Initial alignment check
55 9.9 Prepare power transfer
9.10 Perform power transfer
56 9.11 Stop power transfer
9.12 Terminate communication
57 Annex A (informative) Use cases
A.1 General
Figure A.1 โ€“ Use cases particularly for wireless power transfer
58 Figure A.2 โ€“ Use cases from ISO 15118-1 reusable for WPT systems
59 A.2 Use case descriptions
A.2.1 UC select supply device
Table A.1 โ€“ UC select supply device
60 Figure A.3 โ€“ Activity diagram for UC select supply device
61 A.2.2 UC service selection
Table A.2 โ€“ UC service selection
62 A.2.3 UC fine positioning
Table A.3 โ€“ UC fine positioning
63 Figure A.4 โ€“ Activity diagram for UC fine positioning
64 A.2.4 UC prepare power transfer
Table A.4 โ€“ UC prepare power transfer
65 Figure A.5 โ€“ Activity diagram for UC prepare power transfer
66 A.2.5 UC safety monitoring and diagnostics
A.2.6 UC perform power transfer
Table A.5 โ€“ UC safety monitoring and diagnostics
Table A.6 โ€“ UC perform power transfer
67 A.2.7 UC stop power transfer
Figure A.6 โ€“ Activity diagram for UC perform power transfer
Table A.7 โ€“ UC stop power transfer
68 Figure A.7 โ€“ Activity diagram for UC stop power transfer
69 A.2.8 UC sleep mode (optional)
Table A.8 โ€“ UC sleep mode
70 Figure A.8 โ€“ Activity diagram for UC sleep mode
71 Annex B (informative)Physical definition of links and signals
B.1 General
B.2 System architecture
B.3 WLAN
B.4 SR signal
72 B.5 LF signal (EV device to supply device)
73 Figure B.1 โ€“ Example arrangement of the auxiliary LF antennas for the primary device (left) and the vehicle (right)
74 B.6 Magnetic vector (EV device to supply device)
B.7 LPE (supply device to EV device)
Figure B.2 โ€“ Example arrangement of the auxiliary LF antennas for the primary device (left) and the EV (right)
75 Annex C (informative)Usage of supplemental signals
C.1 General
C.2 Fine positioning
C.2.1 General
C.2.2 Manual
C.2.3 Low power excitation (LPE)
76 C.2.4 LF signal
Table C.1 โ€“ Data of the antenna arrangement at EV to send to SECC
77 Table C.2 โ€“ Data of the antenna arrangement at primary device to send to EVCC
78 Figure C.1 โ€“ Explanation of parameters for LF fine positioning
Table C.3 โ€“ Data exchanged between EVCC and SECC during fine positioning
79 C.2.5 Magnetic vector
C.3 Pairing
C.3.1 General
C.3.2 Coding pattern specification
80 C.3.3 Low power excitation (LPE)
Figure C.2 โ€“ Coding pattern timing and examples
81 C.3.4 SR signal
C.3.5 LF signal
C.3.6 Magnetic vector
82 C.4 Initial alignment check
C.4.1 General
C.4.2 LPE target current check
83 C.4.3 RSSI method
Figure C.3 โ€“ Symmetrical antenna configuration for signal comparison with zero natural offset
84 C.5 Continuous alignment check
C.5.1 General
C.5.2 System anomaly check
Figure C.4 โ€“ Symmetrical antenna configuration for signal comparison with given natural offset
85 C.5.3 SR signal
C.6 Emergency shutdown
C.6.1 General
C.6.2 RF signal
C.6.3 Power termination
86 Bibliography
BSI PD IEC TS 61980-2:2019
$215.11