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Standards Development
This document applies to wireless power transfer controls (WPTCs) used in, or in association with, equipment for household and similar uses, including controls capable of receiving and responding to wireless communication signals. For equipment that may be used with WPTCs, examples include fixed and portable kitchen appliances, countertop and tabletop wireless charging surfaces, small and large kitchen appliances with wireless power receivers, and household furniture with integrated wireless power transmitters.
This document defines the safety requirements and test methods for WPTCs, including WPTCs for Household and similar uses, wireless transmitter, wireless receiver, transmitting coil, rated operating point, standby object, system efficiency and operating frequency of wireless power transfer. This document covers WPTCs operating with rated input voltages not exceeding 250 V for AC single-phase or 480 V for AC multi-phase, input power up to 3.5 kW, and operating frequencies in the range from 20 kHz to 300 kHz.
This document does not apply to wireless power transfer systems for electric vehicles covered by IEC 61980 series.
With the rapid growth of wireless power transfer technology and its application in household appliances, there is a growing global market demand for wireless power transfer controls (WPTCs) in kitchen environments and other household applications.
Industry forecasts indicate significant product innovations and market expansion in this area beginning in 2025, with multiple manufacturers developing solutions for wireless power kitchen applications. Currently, there is no existing IEC standard that specifically addresses the safety requirements and test methods for wireless power transfer controls in household applications. These controls face unique safety challenges including foreign object detection, communication integrity, thermal management, and adaptive power control, which are not adequately covered by existing standards.
Therefore, it is significant to develop an IEC standard under TC72 to establish safety requirements for WPTCs in household and similar applications. This standard will fill a critical gap in the current standardization framework, reduce safety risks, and provide manufacturers with clear guidelines for designing safe wireless power transfer controls. This will promote the safe adoption of wireless power transfer technology, protect consumers from potential hazards, and facilitate global trade through internationally recognized safety benchmarks.
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