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BSI PD CLC IEC/TS 61980-3:2020

BSI PD CLC IEC/TS 61980-3:2020

$215.11

Electric vehicle wireless power transfer (WPT) systems – Specific requirements for the magnetic field wireless power transfer systems

Published By Publication Date Number of Pages
BSI 2020 114
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This part of IEC 61980, which is a Technical Specification, applies to the equipment for the magnetic field wireless power transfer (MF-WPT) of electric power from the supply network 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 voltages ratings per IEC 60038 up to 1 000 V AC and up to 1 500 V DC The power transfer takes place while the electric vehicle (EV) is stationary.

This document also applies to MF-WPT equipment supplied from on-site storage systems (e.g. buffer batteries) at standard supply voltages ratings per IEC 60038 up to 1 000 V AC and up to 1 500 V DC.

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 MF-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 two- and three-wheel vehicles,

  • requirements for MF-WPT systems supplying power to EVs in motion, and

  • requirements for bidirectional power transfer.

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
2 undefined
7 CONTENTS
10 FOREWORD
12 INTRODUCTION
13 1 Scope
2 Normative references
14 3 Terms and definitions
16 Figures
Figure 101 โ€“ Flush mounted
17 Figure 102 โ€“ Surface mounted
18 4 Abbreviations
5 General
6 Classification
19 Tables
Table 101 โ€“ WPT classes
20 7 Interoperability
Table 102 โ€“ Supply device Z classes
21 Figure 103 โ€“ Components of an MF-WPT system
23 Table 103 โ€“ x and y alignment tolerance area requirements
Table 104 โ€“ Frequency
26 Figure 104 โ€“ Control loop of WPT system
Table 105 โ€“ Roles of supply device and EV
Table 106 โ€“ Supply device and EV controller of WPT system
27 Table 107 โ€“ Definition of response time of inner loop and outer one
29 8 General systems requirements
9 Communication
10 Protection against electric shock
30 11 Specific requirements for WPT systems
31 12 Power cable assembly requirements
32 13 Constructional requirements
14 Strength of materials and parts
33 15 Service and test conditions
16 Electromagnetic compatibility (EMC)
17 Marking and instructions
101 Test procedure
101 Test procedure
35 Figure 105 โ€“ Illustration of test positions
36 Table 108 โ€“ Misalignment positions
37 Table 109 โ€“ Test bodies for thermal hazard
38 Table 110 โ€“ Test objects for ignition risk test
42 Annex AA (informative)DD reference EV power circuit (EVPC) for MF-WPT1, MF-WPT2 and MF-WPT3
43 Figure AA.1 โ€“ Mechanical dimensions of the MF-WPT1/Z1 DD reference secondary device
Table AA.1 โ€“ Mechanical dimensions of the MF-WPT1/Z1 DD reference secondary device
44 Figure AA.2 โ€“ Schematic of the EV power electronics for the MF-WPT1/Z1 DD reference EVPC
Table AA.2 โ€“ Values of circuit elements for Figure AA.2
45 Figure AA.3 โ€“ Mechanical dimensions of the MF-WPT1/Z2 DD reference secondary device
Table AA.3 โ€“ Mechanical dimensions of the MF-WPT1/Z2 DD reference secondary device
46 Figure AA.4 โ€“ Schematic of the EV power electronics for the MF-WPT1/Z2 DD reference EVPC
Table AA.4 โ€“ Values of circuit elements for Figure AA.4
47 Figure AA.5 โ€“ Mechanical dimensions of the MF-WPT2/Z1 DD reference secondary device
Table AA.5 โ€“ Mechanical dimensions of the MF-WPT2/Z1 DD reference secondary device
48 Figure AA.6 โ€“ Schematic of the EV power electronics for the MF-WPT2/Z1 DD reference EVPC
Table AA.6 โ€“ Values of circuit elements for Figure AA.6
49 Figure AA.7 โ€“ Mechanical dimensions of the MF-WPT2/Z2 DD reference secondary device
Table AA.7 โ€“ Mechanical dimensions of the MF-WPT2/Z2 DD reference secondary device
50 Figure AA.8 โ€“ Schematic of the EV power electronics for the MF-WPT2/Z2 DD reference EVPC
Table AA.8 โ€“ Values of circuit elements for Figure AA.8
51 Figure AA.9 โ€“ Mechanical dimensions of the MF-WPT2/Z3 DD reference secondary device
Table AA.9 โ€“ Mechanical dimensions of the MF-WPT2/Z3 DD reference secondary device
52 Figure AA.10 โ€“ Schematic of the EV power electronics for the MF-WPT2/Z3 DD reference EVPC
Table AA.10 โ€“ Values of circuit elements for Figure AA.10
53 Figure AA.11 โ€“ Mechanical dimensions of the MF-WPT3/Z1 DD reference secondary device
Table AA.11 โ€“ Mechanical dimensions of the MF-WPT3/Z1 DD reference secondary device
54 Figure AA.12 โ€“ Schematic of the EV power electronics for the MF-WPT3/Z1 DD reference EVPC
Table AA.12 โ€“ Values of circuit elements for Figure AA.12
55 Figure AA.13 โ€“ Mechanical dimensions of the MF-WPT3/Z2 DD reference secondary device
Table AA.13 โ€“ Mechanical dimensions of the MF-WPT3/Z2 DD reference secondary device
56 Figure AA.14 โ€“ Schematic of the EV power electronics for the MF-WPT3/Z2 DD reference EVPC
Table AA.14 โ€“ Values of circuit elements for Figure AA.14
57 Figure AA.15 โ€“ Mechanical dimensions of the MF-WPT3/Z3 DD reference secondary device
Table AA.15 โ€“ Mechanical dimensions of the MF-WPT3/Z3 DD reference secondary device
58 Figure AA.16 โ€“ Schematic of the EV power electronics for the MF-WPT3/Z3 DD reference EVPC
Table AA.16 โ€“ Values of circuit elements for Figure AA.16
59 Annex BB (informative)Circular reference EV power circuit (EVPC) for MF-WPT1, MF-WPT2 and MF-WPT3
60 Figure BB.1 โ€“ Mechanical dimensions of the MF-WPT1/Z1 circular reference secondary device
61 Figure BB.2 โ€“ Schematic of the EV power electronics for the MF-WPT1/Z1 circular reference EVPC
Table BB.1 โ€“ Range of coupling factors
Table BB.2 โ€“ Coil current
62 Figure BB.3 โ€“ Mechanical dimensions of the MF-WPT1/Z2 circular reference secondary device
63 Figure BB.4โ€“ Schematic of the EV power electronics for the MF-WPT1/Z2 circular reference EVPC
Table BB.3 โ€“ Range of coupling factors
Table BB.4 โ€“ Coil current
64 Figure BB.5 โ€“ Mechanical dimensions of the MF-WPT1/Z3 circular reference secondary device
Figure BB.6 โ€“ Schematic of the EV power electronics for the MF-WPT1/Z3 circular reference EVPC
65 Table BB.5 โ€“ Range of coupling factors
Table BB.6 โ€“ Coil current
66 Figure BB.7 โ€“ Mechanical dimensions of the MF-WPT2/Z1 circular reference secondary device
Table BB.7 โ€“ Range of coupling factors
Table BB.8 โ€“ Coil current
67 Figure BB.8 โ€“ Schematic of the EV power electronics for the MF-WPT2/Z1 circular reference EVPC
Table BB.9 โ€“ Values of circuit elements for Figure BB.8
68 Figure BB.9 โ€“ Mechanical dimensions of the MF-WPT2/Z2 circular reference secondary device
Table BB.10 โ€“ Range of coupling factors
Table BB.11 โ€“ Coil current
69 Figure BB.10 โ€“ Schematic of the EV power electronics for the MF-WPT2/Z2 circular reference EVPC
Table BB.12 โ€“ Values of circuit elements for Figure BB.10
70 Figure BB.11โ€“ Mechanical dimensions of the MF-WPT2/Z3 circular reference secondary device
Table BB.13 โ€“ Range of coupling factors
Table BB.14 โ€“ Coil current
71 Figure BB.12 โ€“ Schematic of the EV power electronics for the MF-WPT2/Z3 circular reference EVPC
Table BB.15 โ€“ Values of circuit elements for Figure BB.12
72 Figure BB.13 โ€“ Mechanical dimensions of the MF-WPT3/Z1 circular reference secondary device
Table BB.16 โ€“ Range of coupling factors
Table BB.17 โ€“ Coil current
73 Figure BB.14 โ€“ Schematic of the EV power electronics for the MF-WPT3/Z1 circular reference EVPC
Table BB.18 โ€“ Values of circuit elements for Figure BB.14
74 Figure BB.15 โ€“ Mechanical dimensions of the MF-WPT3/Z2 circular reference secondary device
Table BB.19 โ€“ Range of coupling factors
Table BB.20 โ€“ Coil current
75 Figure BB.16 โ€“ Schematic of the EV power electronics for the MF-WPT2/Z2 circular reference EVPC
Table BB.21 โ€“ Values of circuit elements for Figure BB.16
76 Figure BB.17 โ€“ Mechanical dimensions of the MF-WPT3/Z3 circular reference secondary device
Table BB.22 โ€“ Range of coupling factors
Table BB.23 โ€“ Coil current
77 Figure BB.18โ€“ Schematic of the EV power electronics for the MF-WPT3/Z3 circular reference EVPC
Table BB.24 โ€“ Values of circuit elements for Figure BB.18
78 Annex CC (informative)Heavy-duty magnetic field WPT
80 Figure CC.1 โ€“ Mechanical dimensions of the MF-WPT5 heavy-duty WPT reference primary device
Table CC.1 โ€“ Mechanical dimensions of the MF-WPT5 reference primary device
81 Figure CC.2 โ€“ Schematic of supply power electronics for the heavy-duty WPT reference primary device
Table CC.2 โ€“ Values of circuit elements for heavy-duty WPT reference primary device
82 Figure CC.3 โ€“ Mechanical dimensions of the MF-WPT5 heavy-duty WPT reference secondary device
Table CC.3 โ€“ Mechanical dimensions of the MF-WPT5 reference secondary device
83 Figure CC.4 โ€“ Schematic of the EV power electronics for the MF-WPT5 heavy-duty WPT secondary reference device
Table CC.4 โ€“ Values of circuit elements for Figure CC.4
84 Annex DD (informative)Coil position in parking spot
Figure DD.1 โ€“ Coil position in parking spot
85 Annex EE (informative)Description for system interoperability
86 Figure EE.1 โ€“ General schematic of the concept showing the coil system and the ports at which the parameters are defined
89 Table EE.1 โ€“ Fundamental mutual inductance M_(0,R) values for Z1 (in [ยตH])
Table EE.2 โ€“ Fundamental mutual inductance M_(0,R) values for Z2 (values in [ยตH])
90 Table EE.3 โ€“ Fundamental mutual inductance M_(0,R) values for Z3 (values in [ยตH])
92 Table EE.4 โ€“ Secondary impedance Z2 for fixed power level and varying output voltage Ub,out
94 Figure EE.2 โ€“ Example of GA impedance zone with stimulationi results for different reference primary devices and secondary devices
Table EE.5 โ€“ Calculation of Z1 impedance for fixed power level and varying output voltage Ub,out
95 Table EE.6 โ€“ Calculation of Z1 impedance including tolerance factor for fixed power level and varying output voltage Ub,out
96 Figure EE.3 โ€“ Schematic to explain impedance
97 Figure EE.4 โ€“ Behaviour of the reflected impedance
100 Figure EE.5 โ€“ Position of measurement points
102 Figure EE.6 โ€“ Coaxial gauge device
104 Figure EE.7 โ€“ Transversal gauge device
105 Figure EE.8 โ€“ Design of winding for the transversal gauge device
106 Figure EE.9 โ€“ Exemplary test bench setup for secondary interoperability tests
108 Figure EE.10 โ€“ Exemplary test bench setup for primary device interoperability tests
110 Figure EE.11 โ€“ Test set-up for electric interoperability design testing
Figure EE.12 โ€“Test set-up for electric interoperability design testing
112 Bibliography
BSI PD CLC IEC/TS 61980-3:2020
$215.11