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SAE Outlines Wireless Charging Specs
An SAE International taskforce has agreed on specifications that will enable developers to test multiple wireless vehicle-charging technologies with the same charging coil.
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An SAE International taskforce has agreed on specifications that will enable developers to test multiple wireless vehicle-charging technologies with the same charging coil.
The J2954 standard calls for the use of 3.7- or 7.7-kW coils. These are the same charging rates used by current Level 1 and Level 2 wired chargers.
The standard is designed to allow developers to test wireless charging systems for a variety of electric and plug-in hybrid vehicles and components on a common station while using their own coil topology and power electronics designs. Specifications for an 11-kW wireless charging system are due later this year.
SAE plans to publish the J2954 Recommended Practice before the end of 2017 and issue the final standard next year.
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