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BS EN IEC 61980-3:2022 – TC:2023 Edition

BS EN IEC 61980-3:2022 – TC:2023 Edition

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Tracked Changes. Electric vehicle wireless power transfer (WPT) systems – Specific requirements for magnetic field wireless power transfer systems

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BSI 2023 568
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This part of IEC 61980 applies to the off-board supply equipment for wireless power transfer via magnetic field (MF-WPT) to electric road vehicles for purposes of supplying electric energy to the RESS (rechargeable energy storage system) and/or other on-board electrical systems. The MF-WPT system operates at standard supply voltage ratings per IEC 60038 up to 1 000 V AC and up to 1 500 V DC from the supply network. The power transfer takes place while the electric vehicle (EV) is stationary. Off-board supply equipment fulfilling the requirements in this document are intended to operate with EV devices fulfilling the requirements described in ISO 19363. The aspects covered in this document include – the characteristics and operating conditions, – the required level of electrical safety, – requirements for basic communication for safety and process matters if required by a MF111 WPT system, – requirements for positioning to assure efficient and safe MF-WPT power transfer, and – specific EMC requirements for MF-WPT systems. The following aspects are under consideration for future documents: – requirements for MF-WPT systems for two- and three-wheel vehicles, – requirements for MF-WPT systems supplying power to EVs in motion, and – requirements for bidirectional power transfer. – requirements for flush mounted primary devices – requirements for MF-WPT systems for heavy duty vehicles – requirements for MF-WPT systems with inputs greater than 11,1 kVA This standard does not apply to – safety aspects related to maintenance, and – trolley buses, rail vehicles and vehicles designed primarily for use off-road. NOTE The terms used in this document are specifically for MF-WPT.

PDF Catalog

PDF Pages PDF Title
1 30470049
221 30470049
441 A-30422073
442 undefined
447 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
450 Blank Page
451 English
CONTENTS
456 FOREWORD
458 INTRODUCTION
459 1 Scope
2 Normative references
460 3 Terms and definitions
464 4 Abbreviated terms
5 General
6 Classification
465 Figures
Figure 101 โ€“ Surface mounted
Figure 102 โ€“ Flush mounted
Tables
Table 101 โ€“ MF-WPT power classes
466 7 General supply device requirements
7.1 General architecture
Table 102 โ€“ Supported secondary device ground clearance range
467 7.2 Power transfer requirements
Figure 1 โ€“ Example of an MF-WPT system
469 Table 103 โ€“ Compatibility class A supply device output power ramp rates
470 7.3 Efficiency
Table 104 โ€“ Minimum power transfer efficiency with compatibility class A supplydevice and normative reference EV device of same power class
Table 105 โ€“ Minimum power transfer efficiency with compatibility class A supplydevice and normative reference EV device of different power classes
471 7.4 Alignment
7.5 Activities provided by WPT system
Table 106 โ€“ Minimum power transfer efficiency for a compatibilityclass B supply device and specified EVPC
Table 107 โ€“ Alignment tolerance of a primary device (compatibility class A)
472 Table 108 โ€“ Summary requirements according to compatibility class
473 8 Communication
9 Power transfer interoperability
474 10 Protection against electric shock
10.1 General requirements
10.2 Degree of protection against access to hazardous-live-parts
11 Specific requirements for WPT systems
476 Figure 103 โ€“ Test bench protection areas
478 12 Power cable requirements
479 13 Constructional requirements
13.1 Supply device dimensions and installation requirements
13.4 IP degrees
14 Strength of materials and parts
480 15 Service and test conditions
481 16 Electromagnetic compatibility (EMC)
16.1 Load and operating conditions
482 Figure 104 โ€“ Example of test bench setup (version 1) โ€“ View from above
483 Figure 105 โ€“ Example of test bench setup (version 2) โ€“ View from above
484 Figure 106 โ€“ Side view of test setup shown in Figure 104
485 Figure 107 โ€“ Example of vehicle test setup (version 1) โ€“ View from above
486 Figure 108 โ€“ Example of vehicle test setup (version 2) โ€“ View from above
487 17 Marking and instructions
Figure 109 โ€“ Side view of test setup shown in Figure 107
490 Figure 110 โ€“ Illustration of test positions
491 Table 109 โ€“ Alignment positions and offset values for primary deviceswhich are part of compatibility class A supply devices
493 Table 110 โ€“ Compatibility class A test 2 test positions
496 Table 111 โ€“ Example of compatibility class B supply device test 2 test positions
497 Table 112 โ€“ Test bodies for touch hazard
Table 113 โ€“ Test objects for ignition risk test
502 Table 114 โ€“ Vehicle detection action
503 Annex A (normative)Circular reference EVPC
A.1 Circular reference EVPCs for MF-WPT1
504 Figure A.1 โ€“ Mechanical dimensions of the MF-WPT1/Z1 reference secondary device
505 Figure A.2 โ€“ Schematic of the EV power electronics for the MF-WPT1/Z1 reference EVPC
Figure A.3 โ€“ Impedance compensation circuit
Table A.1 โ€“ Values of circuit elements for Figure A.2
506 Figure A.4 โ€“ Example of a rectifier circuit
Table A.2 โ€“ Range of coupling factors
507 Figure A.5 โ€“ Mechanical dimensions of the MF-WPT1/Z2 reference secondary device
508 Figure A.6 โ€“ Schematic of the EV power electronics for the MF-WPT1 reference EVPC
Figure A.7 โ€“ Impedance compensation circuit
Table A.3 โ€“ Values of circuit elements for Figure A.6
509 Figure A.8 โ€“ Example of a rectifier circuit
Table A.4 โ€“ Range of coupling factors
510 Figure A.9 โ€“ Mechanical dimensions of the MF-WPT1/Z3 reference secondary device
511 Figure A.10 โ€“ Schematic of the EV power electronicsfor the MF-WPT1/Z3 reference EVPC
Figure A.11 โ€“ Impedance compensation circuit
Table A.5 โ€“ Values of circuit elements for Figure A.10
512 A.2 Circular reference EVPCs for MF-WPT1/MF-WPT2
Figure A.12 โ€“ Example of a rectifier circuit
Table A.6 โ€“ Range of coupling factors
513 Figure A.13 โ€“ Mechanical dimensions of the MF-WPT1and MF-WPT2 Z1 reference secondary device
514 Figure A.14 โ€“ Schematic of the EV power electronics for the MF-WPT1and MF-WPT2 Z1 reference EVPC
Figure A.15 โ€“ Example of an impedance compensation circuit using variable reactances
Table A.7 โ€“ Values of circuit elements for Figure A.14
515 Figure A.16 โ€“ Example of a rectifier circuit
Table A.8 โ€“ Values of variable reactances
Table A.9 โ€“ Coupling factors and coil current MF-WPT1 and MF-WPT2 Z1
516 Figure A.17 โ€“ Mechanical dimensions of the MF-WPT1and MF-WPT2 Z2 reference secondary device
517 Figure A.18 โ€“ Schematic of the EV power electronics for the MF-WPT1and MF-WPT2 Z2 reference EVPC
Figure A.19 โ€“ Example of impedance compensation circuit using variable reactances
Table A.10 โ€“ Values of circuit elements for Figure A.18
518 Figure A.20 โ€“ Example of a rectifier circuit
Table A.11 โ€“ Values of variable reactances
Table A.12 โ€“ Coupling factors and coil current MF-WPT1 and MF-WPT2 Z2
519 Figure A.21 โ€“ Mechanical dimensions of the MF-WPT1and MF-WPT2 Z3 reference secondary device
520 Figure A.22 โ€“ Schematic of the EV power electronics for the MF-WPT1and MF-WPT2 reference EVPC
Figure A.23 โ€“ Example of impedance compensation circuit using variable reactances
Table A.13 โ€“ Values of circuit elements for Figure A.22
521 A.3 Circular reference EVPCs for MF-WPT3
Figure A.24 โ€“ Example of a rectifier circuit
Table A.14 โ€“ Values of variable reactances
Table A.15 โ€“ Coupling factors and coil current MF-WPT1 and MF-WPT2 Z3
522 Figure A.25 โ€“ Mechanical dimensions of the MF-WPT3/Z1 reference secondary device
523 Figure A.26 โ€“ Schematic of the EV power electronics for the MF-WPT3 reference EVPC
Figure A.27 โ€“ Example for impedance compensation circuit using variable reactances
Table A.16 โ€“ Values of circuit elements for Figure A.26
524 Figure A.28 โ€“ Example for an output filter and rectifier
Table A.17 โ€“ Values of variable reactances
Table A.18 โ€“ Inductance values for Figure A.28
Table A.19 โ€“ Coupling factors and coil current MF-WPT3/Z1
525 Figure A.29 โ€“ Mechanical dimensions of the MF-WPT3/Z2 reference secondary device
526 Figure A.30 โ€“ Schematic of the EV power electronicsfor the MF-WPT3/Z2 reference EVPC
Figure A.31 โ€“ Example for impedance compensation circuit using variable reactances
Table A.20 โ€“ Values of circuit elements for Figure A.30
527 Figure A.32 โ€“ Example of an output filter and rectifier
Table A.21 โ€“ Values of variable reactances
Table A.22 โ€“ Inductance values for Figure A.32
Table A.23 โ€“ Coupling factors and coil current MF-WPT3/Z2
528 Figure A.33 โ€“ Mechanical dimensions of the MF-WPT3/Z3 reference secondary device
529 Figure A.34 โ€“ Schematic of the EV power electronics for the MF-WPT3 reference EVPC
Figure A.35 โ€“ Example of an impedance compensation circuit using variable reactances
Table A.24 โ€“ Values of circuit elements for Figure A.17
Table A.25 โ€“ Values of variable reactances
530 Figure A.36 โ€“ Example of an output filter and rectifier
Table A.26 โ€“ Inductance values for Figure A.36
Table A.27 โ€“ Coupling factors and coil current MF-WPT3/Z3
531 Annex B (informative)Examples of other secondary devices
B.1 DD secondary device for MF-WPT1/Z1
Figure B.1 โ€“ Mechanical dimensions of the MF-WPT1/Z1 DD secondary device
Table B.1 โ€“ Mechanical dimensions of the MF-WPT1/Z1 DD secondary device
532 B.2 DD secondary device for MF-WPT1/Z2
B.3 DD secondary device for MF-WPT2/Z1
Figure B.2 โ€“ Mechanical dimensions of the MF-WPT1/Z2 DD secondary device
Table B.2 โ€“ Mechanical dimensions of the MF-WPT1/Z2 DD secondary device
533 B.4 DD secondary device for MF-WPT2/Z2
Figure B.3 โ€“ Mechanical dimensions of the MF-WPT2/Z1 DD secondary device
Table B.3 โ€“ Mechanical dimensions of the MF-WPT2/Z1 DD reference secondary device
534 B.5 DD secondary device for MF-WPT2/Z3
Figure B.4 โ€“ Mechanical dimensions of the MF-WPT2/Z2 DD secondary device
Table B.4 โ€“ Mechanical dimensions of the MF-WPT2/Z2 DD reference secondary device
535 B.6 DD secondary device for MF-WPT3/Z1
Figure B.5 โ€“ Mechanical dimensions of the MF-WPT2/Z3 DD secondary device
Table B.5 โ€“ Mechanical dimensions of the MF-WPT2/Z3 DD secondary device
536 B.7 DD secondary device for MF-WPT3/Z2
Figure B.6 โ€“ Mechanical dimensions of the MF-WPT3/Z1 DD secondary device
Table B.6 โ€“ Mechanical dimensions of the MF-WPT3/Z1 DD secondary device
537 B.8 DD secondary device for MF-WPT3/Z3
Figure B.7 โ€“ Mechanical dimensions of the MF-WPT3/Z2 DD secondary device
Table B.7 โ€“ Mechanical dimensions of the MF-WPT3/Z2 DD secondary device
538 Figure B.8 โ€“ Mechanical dimensions of the MF-WPT3/Z3 DD secondary device
Table B.8 โ€“ Mechanical dimensions of the MF-WPT3/Z3 DD secondary device
539 Annex C (informative)Coil position in parking spot
C.1 General
C.2 Width of vehicles and parking spots
C.3 Placement along the direction of travel
541 Annex D (informative)Theoretical approach for system interoperability
D.1 General
D.2 Magnetic and electric interoperability
542 Figure D.1 โ€“ General schematic of the concept showing the coils with their portsto the power electronics and the varying parameters
543 Table D.1 โ€“ Description of terms
546 Table D.2 โ€“ Fundamental mutual inductance values M0 for Z1 (in ยตH)
547 Table D.3 โ€“ Fundamental mutual inductance values M0 for Z2 (in ยตH)
548 Table D.4 โ€“ Fundamental mutual inductance values M0 for Z3 (in ยตH)
549 Figure D.2 โ€“ Schematic to explain impedance
Table D.5 โ€“ Explanation of terms
551 Figure D.3 โ€“ General behaviour of the reflected impedance (example)
554 Table D.6 โ€“ Voltages (RMS) required to be induced in circular reference secondary coils
556 Figure D.4 โ€“ Impedance space at the primary coil (example)
557 Figure D.5 โ€“ Impedance spaces of the reference primary coil and alternate electronics
Table D.7 โ€“ Recommended parameters for primary coil impedance space
558 D.3 Compliance test and measurement specifications
559 Figure D.6 โ€“ Test set-up for reference or product primary coilelectric interoperability conformance tests
562 Figure D.7 โ€“ Coaxial coil gauge device “CC325”
564 Figure D.8 โ€“ Transversal coil gauge device “DD275”
565 Annex E (informative)Determining centre alignment point
E.1 General
E.2 Laboratory procedure for determining the approximate centre alignment point of a primary device of an SPC with a secondary device of a reference EVPC
E.3 Laboratory procedure for determining the approximate centre alignment point of an EVPC with a primary device of a reference SPC
E.4 Determining the centre alignment point for a coil pair through simulation
566 Bibliography

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BS EN IEC 61980-3:2022 - TC
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