IEC 63245-1:2021 pdf download

IEC 63245-1:2021 pdf download.Spatial wireless power transfer based on multiple magnetic resonances – Part 1: Requirements
1 Scope
This part of IEC 63245 specifies requirements for spatial wireless power transfer based on multiple magnetic resonances (SWPT-MMR), which is a non-radiative wireless power transfer (WPT). This document contains two categories of requirements: general requirements and functional requirements. The general requirements cover charging procedures and charging zones. The functional requirements cover each component of a SWPT-MMR system, such as transmitter coils.
2 Normative references
There are no normative references in this document.
3 Terms, definitions, and abbreviated terms
For the purposes of this document, the following terms and definitions apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at http://www.electropedia.org/ ISO Online browsing platform: available at http://www.iso.org/obp 3.1 Terms and definitions 3.1.1 null point point or area in the charging zone where the magnetic field cancels out almost entirely or is below a certain specified minimum 3.1.2 quiet zone magnetic field having an equalized energy density corresponding to each of the magnetic fields formed on the transmitter coils 3.1.3 spatial wireless power transfer concept of wireless power transfer between multiple sources and multiple receiving devices placed at a certain distance in various positions and postures within a space Note 1 to entry: “Spatial” means that receiving devices will take various positions and postures, and will lead to variable transfer efficiency including almost zero percent. This situation can occur when receiving devices are placed far apart from the power source and are freely rearranged. [SOURCE: IEC 62827-3:2016, 3.1.2, modified – In the definition, “receiving devices placed at a certain distance in various positions and postures within a space” replaces “receiving devices which are placed at a distance within a spatial space”.]3.1.4 spatial wireless power transfer system group implementing spatial wireless power transfer in which the power source can deliver power and data to the power-receiving device Note 1 to entry: In special cases, a spatial wireless power transfer system can consist of only a single power source and only a single power-receiving device. Note 2 to entry: Spatial wireless power transfer system includes the case in which a power source has the ability to access a power-receiving device through a relay from other power sources when the power source attempts to deliver data to the receiving device. In this document, “data” means control and management data for wireless power transfer. [SOURCE: IEC 62827-3:2016, 3.1.3] 3.1.5 transmitter coil component of a wireless power transmitter that converts electric current to magnetic flux [SOURCE: IEC 63006:2019, 3.1.48]
4 Overview of spatial wireless power transfer
IEC TR 62869 describes types of WPT physical layer technologies. Among the technologies, electromagnetic induction and magnetic resonance technologies are dominantly used in recent industries. The IEC PAS 63095 and WPC Qi series specifies WPT based on electromagnetic induction technology, whereas IEC 63028 specifies WPT based on magnetic resonance technology. A spatial wireless power transfer (SWPT) system delivers the electronic power to one or more receivers within a spatial space. Figure 1 shows a conceptual image of SWPT described in IEC 62827-3.Spatial wireless power transfer based on multiple magnetic resonances (SWPT-MMR) is a specific implementation of SWPT. Similar to IEC 63028, SWPT-MMR is based on magnetic resonance. However, SWPT-MMR includes multiple magnetic resonances to generate a charging zone. In the charging zone, electric power is transferred to one or more receivers regardless of the position and direction of the receiver(s). Figure 2 shows a conceptual image of SWPT-MMR. As shown in Figure 2, an SWPT-MMR system generates a charging zone in a specific space with multiple magnetic resonances.