WG 7 - TC 69/WG 7

IEC 61980-2:2023 addresses communication and activities of magnetic field wireless power transfer (MF-WPT) systems.
The requirements in this document are intended to be applied for MF-WPT systems according to IEC 61980-3 and ISO 19363.
The aspects covered in this document include operational and functional characteristics of the MF-WPT communication system and related activities, and operational and functional characteristics of the positioning system.
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;
- requirements for bidirectional power transfer.
NOTE Any internal communication at supply device or EV device is not in the scope of this document

IEC 61980-3:2022 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 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 MF-WPT systems for two- and three-wheel vehicles,
– requirements for MF-WPT systems supplying power to EVs in motion,
– requirements for bidirectional power transfer,
– requirements for flush mounted primary device,
– requirements for MF-WPT systems for heavy duty vehicle, and
– requirements for MF-WPT systems with inputs greater than 11,1 kVA.
This document does not apply to
– safety aspects related to maintenance, and
– trolley buses, rail vehicles and vehicles designed primarily for use off-road.
IEC 61980-3:2022 is to be used in conjunction with IEC 61980-1:2020.

IEC 61980-1:2020 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.
IEC 61980-1:2020 cancels and replaces the first edition published in 2015. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) the contents of IEC 61980-1:2015 have been re-organized so that this document is generally applicable to any WPT technologies;
b) technology specific requirements, mostly for MF-WPT in the main text of IEC 61980-1:2015, have been transferred to IEC 61980-2 and IEC 61980-3;
c) Annex A, Annex B and Annex C have been removed and contents of these annexes have been transferred to the relevant technology specific parts of the IEC 61980 series;
d) duplications and overlaps of the requirements within IEC 61980-1:2015 have been resolved;
e) terms and definitions which are specified in IEC 61851-1:2017 and are applicable for WPT system have been directly described in this document, with modification for some terms. The reference to IEC 61851-1 is withdrawn.

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
– standards for operational characteristics and functional characteristics of the WPT communication subsystem,
– communication requirements for WPT system while driving, which are under consideration,
– communication requirements for two- and three-wheel vehicles, which are under consideration, and
– communication requirements for bidirectional power transfer are under consideration
This document does not apply to
– safety aspects related to maintenance, and
– trolley buses, rail vehicles and vehicles designed primarily for use off-road.

IEC TS 61980-3:2019 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.