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BS EN IEC 61980-1:2021

BS EN IEC 61980-1:2021

$189.07

Electric vehicle wireless power transfer (WPT) systems – General requirements

Published By Publication Date Number of Pages
BSI 2021 50
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This Part of IEC 61980 applies to the supply device for charging electric road vehicles using wireless methods at standard supply voltages per IEC 60038 up to 1 000 V AC and up to 1 500 V DC.

Electric road vehicles (EV) covers road vehicles, including plug-in hybrid road vehicles (PHEV) that derive all or Part of their energy from on-board rechargeable energy storage systems (RESS).

This document also applies to wireless power transfer (WPT) equipment supplied from on-site storage systems (e.g. buffer batteries).

The aspects covered in this document include

  • the characteristics and operating conditions of a supply device,

  • the specification for required level of electrical safety of a supply device,

  • communication between EV device and vehicle to enable and control WPT,

  • efficiency, alignment and other activities to enable WPT, and

  • specific EMC requirements for a supply device.

The following aspects are under consideration for future documents:

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

  • requirements for bidirectional power transfer.

This document does not apply to:

  • safety aspects related to maintenance,

  • WPT system for trolley buses, rail vehicles and vehicles designed primarily for use off-road, and

  • any safety or EMC requirements for the vehicle side.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
9 English
CONTENTS
12 FOREWORD
14 INTRODUCTION
15 1 Scope
2 Normative references
18 3 Terms and definitions
24 4 Abbreviated terms
5 General
6 Classification
6.1 General
25 6.2 Power transfer technology
6.3 Environmental condition
6.4 Electric connection to supply network
6.5 Access
6.6 Protection against electrical shock
7 General supply device requirements
7.1 General architecture
26 7.2 Power transfer requirements
7.3 Efficiency
7.4 Alignment
7.5 Activities provided by WPT system
8 Communication
9 Power transfer interoperability
Figure 1 – Example of a WPT system
27 10 Protection against electric shock
10.1 General requirements
10.2 Degrees of protection against access to hazardous-live-parts
10.3 Stored energy – Discharge of capacitors
10.3.1 Stored energy under abnormal or fault conditions
10.3.2 Disconnection of plug and cable connected supply device
10.4 Fault protection
28 10.5 Protective conductor dimensions
10.6 Residual current protection device
29 10.7 Telecommunication network
11 Specific requirements for WPT systems
11.1 General
11.2 Touch current
11.3 Insulation resistance
30 11.4 Dielectric withstand characteristic
11.4.1 AC dielectric withstand
11.4.2 Impulse dielectric withstand (1,2/50 μs)
31 11.5 Overcurrent protection and short circuit withstand
11.5.1 General
11.5.2 Maximum current for plug and cable connected supply device
32 11.6 Temperature rise and protection against thermal incidents
11.6.1 General
11.6.2 Permissible surface temperature of accessible parts of the WPT system
11.6.3 Temperature limits for materials
33 11.6.4 Protection against burns from heating of foreign objects
11.7 Resistance to abnormal heat and fire due to internal electric effects
11.7.1 General
11.7.2 Resistance of insulating materials to heat
11.7.3 Resistance of insulating materials to abnormal heat and fire due to internal electric effects
34 11.8 Protection from electromagnetic field
11.9 Emergency service disconnect (optional)
12 Power cable requirements
13 Constructional requirements
13.1 Supply device dimensions and installation requirements
13.2 Connection of plug and cable connected supply device
13.3 Earthing electrode and continuity
35 13.4 IP degrees
13.5 Breaking capacity of switching devices
13.5.1 Switch and switch-disconnector
13.5.2 Contactor
13.5.3 Circuit-breaker
13.5.4 Relays
13.6 Clearance and creepage distances
36 14 Strength of materials and parts
14.1 General
14.2 Verification of mechanical strength for the enclosure of the supply device
14.3 Resistance to corrosion
37 14.4 Properties of insulating materials
14.4.1 Verification of thermal stability of enclosures
14.4.2 Resistance to fire (glow wire)
14.4.3 Ball pressure test
14.4.4 Resistance to tracking
14.4.5 Resistance to ultraviolet radiation
15 Service and test conditions
15.1 General
38 15.2 Environmental test
15.2.1 Ambient air temperature
15.2.2 Ambient humidity
39 15.2.3 Dry heat
15.3 Heat test under solar radiation
16 Electromagnetic compatibility (EMC)
16.1 Load and operating conditions
16.1.1 Load conditions
16.1.2 Operating conditions
40 16.2 Immunity requirements
41 Tables
Table 1 – WPT equipment immunity requirement – Environment other than residential
42 16.3 Disturbance requirements
16.3.1 General
Table 2 – WPT equipment immunity requirement – Residential environment
43 16.3.2 Limits and test conditions for disturbances in the low frequency (LF) range
16.3.3 Limits and test conditions for disturbances in the radio frequency (RF) range
Table 3 – Low frequency disturbances
44 Table 4 – Radio frequency (RF) disturbances
45 Table 5 – Limits of the magnetic field strength for WPT system for class A in the range 9 kHz to 150 kHz
46 Table 6 – Limits of the magnetic field strength for WPT system for class B in the range 9 kHz to 150 MHz
47 Table 7 – Limits of the magnetic field strength for WPT system for class A in the range 150 kHz to 30 MHz
Table 8 – Limits of the magnetic field strength for WPT system for class B in the range 150 kHz to 30 MHz
48 17 Marking and instructions
17.1 General
17.2 Marking of supply device
17.3 Legibility
17.4 Connection instructions
49 Bibliography

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BS EN IEC 61980-1:2021
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