Researchers from Idaho National Laboratory (INL), along with the DOE and several automotive companies, have completed bench testing to support SAE Technical Information Report (TIR) J2954, a guideline for wireless charging that was published earlier this year. The SAE’s TIR J2954 is designed to ensure the performance and safety of Wireless Power Transfer (WPT) systems,… Read more »
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SAE International announces alignment methodology for wireless EV charging standard
SAE International’s Wireless Power Transfer & Alignment Taskforce has been working on a new wireless EV charging standard for some time. Now, following a “lengthy consensus process,” the group has decided upon Differential Inductive Positioning System (DIPS) as the technology alignment methodology for the SAE J2954 standard, Wireless Power Transfer (WPT) for Light-Duty Plug-in/Electric Vehicles… Read more »
SAE WPT Task Force urges FCC to support wireless charging standard
SAE International’s Wireless Power Transfer and Alignment Task Force is urging the US Federal Communications Commission (FCC) to act to support the commercialization of wireless charging operating in the frequency band of 79 kHz to 90 kHz. The SAE task force consists of more than 150 international experts representing automakers, suppliers, users, national laboratories and… Read more »
SAE publishes Wireless Charging standard
SAE International has published a new global standard that specifies both the vehicle-side and charger-side requirements for wireless charging of EVs. The new standard, SAE J2954, was more than a decade in the making. In 2007, when SAE began its research, there were few EVs on the market, and wireless power transfer (WPT) may have… Read more »
SAE updates J2954 wireless charging standards for EVs up to 11 kW
SAE International has published a second version of Recommended Practice (RP) SAE J2954, its standard for wireless power transfer (WPT) for EVs of up to 11 kW power levels. The RP establishes specifications for interoperability, electromagnetic compatibility, EMF, minimum performance, safety, and testing for wireless charging of light-duty electric and plug-in EVs. SAE is seeking… Read more »
SAE J2954 Recommended Practice enables automated wireless charging to 11 kW
SAE International has published a new Recommended Practice (RP), SAE J2954, which provides the first worldwide specification for wireless power transfer (WPT) up to power levels of 11 kW (WPT 3). This follows the organization’s previous Technical Information Report J2954, which dealt with power levels up to 7.7 kW (WPT 2). The new RP also… Read more »
SAE releases global standard for wireless charging
At a recent standards meeting, carmakers, Tier 1 suppliers, and technology providers have reached agreement on key technical and procedural elements of the upcoming SAE Recommended Practice (RP) for Wireless Power Transfer (WPT) and automated parking alignment and charging. The goal of this standardization is to ensure interoperability among different brands of EVs and wireless… Read more »
SAE working to finalize Wireless Power Transfer standard
The process of finalizing standards for wireless charging is well underway. At a recent conference, SAE Wireless Charging Taskforce Chair Jesse Schneider presented the recently published SAE TIR, Wireless Power Transfer (WPT) for Light-Duty Plug-In/ Electric Vehicles and Alignment Methodology, along with plans for standardization by 2018 to support commercialization. The SAE TIR J2954 contains… Read more »
SAE issues guideline for wireless charging standard
Wireless charging certainly seems like the future, but the lack of technical standards has stalled the release of systems from the major EV makers. Now SAE has published an industry guideline for wireless power transfer (WPT) between infrastructure, vehicle suppliers and OEMs. “SAE TIR J2954 Wireless Power Transfer for Light-Duty Plug-In/ Electric Vehicles and Alignment… Read more »
SAE announces agreement on wireless power transfer frequency and power classes
The SAE task force working on a standard for Wireless Power Transfer (WPT) has reached agreement on two important factors. These will be incorporated into a Technical Information Report, which is scheduled to be complete in early 2014. The TIR will be followed by publication of the official SAE J2954 Standard. “A common frequency of… Read more »