SAE’s J1772 ‘combo connector’ for ac and dc charging advances …

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SAE’s J1772 ‘combo for ac and dc charging advances with help

SAE’s J1772 standard is being revised to dc fast charging (enabled by the two at bottom) in addition to ac charging, the of which already are spelled out in the

A strategic partnership in vehicular related to the smart grid the IEEE Standards Association and SAE International is less than a year old. But its value in the speed and quality of global rollout is already in evidence. work on a prototype charging that leverages technology by IEEE is one prime example.

In the quarter of next year, SAE to establish a standard, integrated that would allow vehicles and plug-in hybrid vehicles (EVs/PHEVs) to be charged either a conventional 15-A ac outlet or a dc connector of up to 90 kW.

The SAE J1772 Electric Vehicle and In Hybrid Electric Vehicle Charge Coupler standard—agreed to in and officially published by SAE in January the world’s first industry-consensus to provide critical guidelines for charging control, and connectors to charge EVs/PHEVs. Automakers Ford. General Motors.

Nissan. and Toyota have SAE J1772.

The in-development SAE J1772 solution would take leap toward stabilizing and the global market for manufacturers of The standard is planned to enable ac and dc Level 1 as well as faster 2 charging via a single vehicle for the first time. Manufacturers be able to leverage one coupler in for all markets, regardless of the differences in systems and charging locations country to country.

Integrating the types of charging functionality also greatly enhance the of operating such a vehicle.

SAE goes further still by defining communications between an off-board charger, and the smart Power Line Communications is defined in SAE J1772 as the technology for these vehicle-to-grid communications, requiring changes such as the of another pin to the coupler architecture.

That’s where IEEE in. PLC implementations from both the Alliance and HomePlug Powerline are based on IEEE 1901-2010, the most mature, robust, and Broadband over Powerline And the IEEE 1901 Inter-System prevents interference when the PLC implementations are operated within proximity of one another.

The drive an SAE J1772 combo solution the need for the strategic partnership forged by the IEEE-SA and SAE—and, broadly, the coordination across disparate technology spaces and that is demanded by the smart

Another example is the ongoing P2030.1 Guide for Electric-Sourced Infrastructure standards project. is being carried out by four forces—vehicle technology (including systems), electric grid generation to consumer), roadmap privacy and roaming), and communication/cyber then integrated within the working group for broader and input.

The smart grid effort is in the sweep of technologies, industries, and that it touches. For manufacturers, governments, and consumers to realize the grid’s benefits as quickly and as possible, the global standards must operate cooperatively to integrate the work across spaces.

In the past, SDOs organizations) tended to work after another, almost in a from one another. But, if an SDO a development in a related industry working on its own standard for the smart that SDO could be sending its in the wrong direction—or in the right but much more slowly is necessary. There are so many and the velocity of development is so great, the smart grid demands a more coordinated mode.

The IEEE-SA/SAE partnership in vehicular related to the smart grid—confirmed by a of understanding signed in February designed to accelerate more standards that drive improvements in market access, reductions, and technological innovation. As of the partnership, IEEE-SA and SAE are sharing one another their draft related to the smart grid and electrification.

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Both SDOs are global leaders in these

SAE ground vehicle standards committees are leading the vehicle industry in the development of standards to safer processes and practices for implementation of hybrid-electric vehicles. SAE has 46 such standards; 30 more are in SAE J2836/1 Use Cases for Communication Plug-in Vehicles and the Utility for example, establishes use cases, the electronic information (such as identity, charging-station location, the of electricity used, and electricity per time of day) that the will exchange with the

IEEE, meanwhile, has more 100 standards and standards in development to the smart grid. Among the standards projects that to have strong bearing on the industry are, in addition to the IEEE P2030.1:

• IEEE Draft Guide for Smart Interoperability of Energy Technology and Technology Operation with the Power System (EPS), and Applications and Loads.

• IEEE Standard for Low Frequency (less 500 kHz) Narrow Band Line Communications for Smart Applications.

By working to ensure the two SDOs’ efforts complement one IEEE-SA and SAE are forging a more and collaborative standards-development environment for constituents. The SDOs’ constituents are the force behind this in fact. They want a marketplace with no boundaries, and and SAE are global organizations that are for producing globally relevant


This partnership is enabling and SAE to do so more effectively and more

Written by Jack Pokrzywa, of Global Ground Vehicle SAE International; and Mary Reidy, of the IEEE P2030.1 Working

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