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BS EN IEC 61980-2:2023 Electric vehicle wireless power transfer (WPT) systems - Specific requirements for MF-WPT system communication and activities, 2023
- undefined
- Annex A (normative)Normative references to international publicationswith their corresponding European publications [Go to Page]
- English [Go to Page]
- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Abbreviated terms
- 5 General system structure and interoperability concept [Go to Page]
- 5.1 System structure
- 5.2 Interoperability concept
- 6 General communication requirements
- Figures [Go to Page]
- Figure 1 – Example of system structure
- 7 Communication procedure during an MF-WPT session [Go to Page]
- 7.1 General
- Figure 2 – Chain of activities
- 7.2 Activities [Go to Page]
- 7.2.1 Communication setup
- 7.2.2 Fine positioning
- Figure 3 – Natural offset with different coil geometries
- Tables [Go to Page]
- Table 1 – Fine positioning setup data from EV
- Table 2 – Fine positioning setup data from SECC [Go to Page]
- 7.2.3 Pairing
- Table 3 – Data transfer during positioning
- Table 4 – Pairing parameters provided by the EVCC to the SECC
- Table 5 – Pairing parameters provided by the SECC to the EVCC
- Figure 4 – Sequence of parameter exchange for pairing using LPE
- Figure 5 – Sequence of parameter exchange for pairingusing LF signal emitted by the EV/EV device
- Figure 6 – Sequence of parameter exchange for pairingusing LF signal emitted by the primary device
- Figure 7 – Sequence of parameter exchange for pairingusing active optical means (e.g., LED) [Go to Page]
- 7.2.4 Authorization and service selection
- Figure 8 – Sequence of parameter exchange for pairing usingpassive optical means (e.g., marker at primary device)
- Figure 9 – Sequence of parameter exchange for pairing using external confirmation [Go to Page]
- 7.2.5 Final compatibility check
- 7.2.6 Alignment check
- Table 6 – Final compatibility parameters from EV
- Table 7 – Final compatibility check parameters from SECC [Go to Page]
- 7.2.7 Prepare power transfer
- Table 8 – Alignment check parameter sent by the EVCC
- Table 9 – Alignment check response parameters sent by the SECC [Go to Page]
- 7.2.8 Perform power transfer
- Figure 10 – MF-WPT control system
- Table 10 – Symbols for MF-WPT control system
- Table 11 – MF-WPT controller inputs and outputs
- Table 12 – Relative response time for control loops
- Table 13 – Perform power transfer request parameters [Go to Page]
- 7.2.9 Stop power transfer
- Table 14 – Perform power transfer response parameters [Go to Page]
- 7.2.10 Terminate communication
- 7.2.11 WPT spot vacancy detection
- 7.2.12 Time scheduled power transfer
- 7.2.13 Safety monitoring and diagnostics
- 7.2.14 Wake-up after power outage
- 7.3 Exception handling [Go to Page]
- 7.3.1 General
- Figure 11 – Classification of system events [Go to Page]
- 7.3.2 Exception descriptions
- Table 15 – Exception handling [Go to Page]
- 7.3.3 Supply device exception handling (WPT_S_ERR)
- 7.3.4 EV device exception handling (WPT_V_ERR)
- Table 16 – Error respond parameters
- Table 17 – Error request parameters
- Annex A (informative)Use cases [Go to Page]
- A.1 General
- Figure A.1 – Use cases specific to wireless power transfer
- A.2 Use case descriptions [Go to Page]
- A.2.1 UC select supply device
- A.2.2 UC compatibility check
- Table A.1 – UC select supply device [Go to Page]
- A.2.3 UC fine positioning
- Table A.2 – UC compatibility check [Go to Page]
- A.2.4 UC prepare power transfer
- Table A.3 – UC fine positioning [Go to Page]
- A.2.5 UC safety monitoring and diagnostics
- Table A.4 – UC prepare power transfer [Go to Page]
- A.2.6 UC perform power transfer
- A.2.7 UC stop power transfer
- Table A.5 – UC safety monitoring and diagnostics
- Table A.6 – UC perform power transfer [Go to Page]
- A.2.8 UC sleep mode (optional)
- Table A.7 – UC stop power transfer
- Table A.8 – UC sleep mode
- Annex B (informative)Physical definition of links and signals [Go to Page]
- B.1 General
- B.2 System architecture
- B.3 WLAN
- B.4 LF signal
- Figure B.1 – Example arrangement of the auxiliary LF receivers/transmittersfor the primary device and the vehicle
- B.5 LPE
- Figure B.2 – Example arrangement of the auxiliary LF transmitters/receiversfor the primary device and the EV
- B.6 Power check
- B.7 External confirmation means
- Annex C (informative)Methods of P2PS signaling [Go to Page]
- C.1 General
- C.2 Fine positioning [Go to Page]
- C.2.1 General
- C.2.2 Manual
- C.2.3 LF positioning emitted by EV
- Figure C.1 – Example OOK data modulation
- Figure C.2 – Generalized Manchester encoding
- Figure C.3 – Example LF signal data format for fine positioning [Go to Page]
- C.2.4 LF positioning emitted by supply device
- C.2.5 LF parameter exchange
- Table C.1 – Additional LF fine positioning setup parameter from EV
- Table C.2 – Additional LF fine positioning setup data from SECC
- Figure C.4 – Example Explanation of parameters for LF fine positioning [Go to Page]
- C.2.6 Low power excitation (LPE)
- Table C.3 – Additional LF positioning data exchange
- C.3 Pairing [Go to Page]
- C.3.1 General
- C.3.2 Coding pattern specification
- Figure C.5 – Coding pattern timing and examples [Go to Page]
- C.3.3 Low power excitation (LPE)
- C.3.4 LF signal
- Figure C.6 – Example LF signal data format for pairing [Go to Page]
- C.3.5 External confirmation
- C.4 Alignment check [Go to Page]
- C.4.1 General
- C.4.2 Power check
- C.4.3 LPE
- Annex D (normative)State diagrams of WPT process [Go to Page]
- D.1 General
- D.2 Supply device state definitions [Go to Page]
- D.2.1 Supply device state diagram
- D.2.2 System On (WPT_S_ON)
- Figure D.1 – Supply device state diagram [Go to Page]
- D.2.3 Session initiated (WPT_S_SI)
- D.2.4 Awaiting alignment (WPT_S_AA)
- D.2.5 Idle (WPT_S_IDLE)
- D.2.6 Power transfer active (WPT_S_PTA)
- D.2.7 Power transfer (WPT_S_PT)
- D.2.8 Service terminated occupied (WPT_S_STO)
- D.2.9 System Off (WPT_S_OFF)
- D.2.10 Sleep (WPT_S_SLP)
- D.2.11 StandBy (WPT_S_STBY)
- D.3 Supply device state transitions [Go to Page]
- D.3.1 General
- Table D.1 – Supply device state transitions [Go to Page]
- D.3.2 TS_03 and TS_10
- D.3.3 TS_04 and TS_05
- Figure D.2 – Transition TS_03 and TS_10
- Figure D.3 – Transition TS_04 and TS_05 [Go to Page]
- D.3.4 TS_06
- D.3.5 TS_07. TS_09 and TS_12
- Figure D.4 – Transition TS_06 [Go to Page]
- D.3.6 TS_08, TS_14 and TS_16
- Figure D.5 – Transition TS_07, TS_09, TS_12 [Go to Page]
- D.3.7 TS_13
- Figure D.6 – Transition TS_08, TS_14, TS_16
- Figure D.7 – Transition TS_13 [Go to Page]
- D.3.8 TS_11
- D.3.9 TS_15
- Figure D.8 – Transition TS_11 [Go to Page]
- D.3.10 TS_17
- Figure D.9 – Transition TS_15
- D.4 EV device state definitions [Go to Page]
- D.4.1 EV device state diagram
- D.4.2 System On (WPT_V_ON)
- D.4.3 Session initiated (WPT_V_SI)
- Figure D.10 – Transition TS_17
- Figure D.11 – EV device state diagram [Go to Page]
- D.4.4 Awaiting alignment (WPT_V_AA)
- D.4.5 Idle (WPT_V_IDLE)
- D.4.6 Power transfer active (WPT_V_PTA)
- D.4.7 Power transfer (WPT_V_PT)
- D.4.8 Sleep (WPT_V_SLP)
- D.4.9 Standby (WPT_V_STBY)
- D.4.10 System Off (WPT_V_OFF)
- D.5 EV state transitions [Go to Page]
- D.5.1 General
- Table D.2 – EV device state transitions [Go to Page]
- D.5.2 TV_03
- D.5.3 TV_05
- D.5.4 TV_06
- Figure D.12 – Transition TV_03
- Figure D.13 – Transition TV_05 [Go to Page]
- D.5.5 TV_07 and TV_15
- Figure D.14 – Transition TV_06 [Go to Page]
- D.5.6 TV_08, TV_14 and TV_16
- Figure D.15 – Transition TV_07, TV_15 [Go to Page]
- D.5.7 TV_04 and TV_09
- Figure D.16 – Transition TV_08, TV_14, TV_16
- Figure D.17 – Transition TV_04 and TV_09 [Go to Page]
- D.5.8 TV_10
- D.5.9 TV_11
- Figure D.18 – Transition TV_10 [Go to Page]
- D.5.10 TV_17
- Figure D.19 – Transition TV_11
- Figure D.20 – Transition TV_17
- Annex E (informative)Marking of primary device [Go to Page]
- E.1 General
- E.2 Requirements for detectability
- E.3 Usage for positioning – Parameter setting and message exchange
- Figure E.1 – Example for a marking for a primary device
- E.4 Usage for pairing [Go to Page]
- E.4.1 General
- E.4.2 Parameter setting and message exchange
- Bibliography [Go to Page]
