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SAE Releases J1772 EV Charging Coupler Standard

SAE International has released the J1772 “SAE Electric Vehicle Conductive Charge Coupler” standard that provides a standard interface between plug-in hybrid and battery-electric vehicles and electrical charging systems.

The purpose of the standard is to define a common electric-vehicle charging network, thereby reducing costs and increasing convenience for owners of electric vehicles. Gery Kissel of GM, Chair of the SAE Hybrid Task Force, said that consistency and reliability are key goals of the new standard. (Earlier post.)

By standardizing, you’re reducing costs and allowing everyone to use the same connector. All of the charging equipment you would pull up to in public would have identical connectors, so any vehicle could use one. It will be a consistent, reliable interface.

—Gery Kissel

In the process of SAE J1772 development, a production tooled coupler has passed testing by Underwriters Laboratories for safety and durability. SAE J1772 standard was developed by the SAE Hybrid J1772 Task Force in cooperation with major automotive OEMs and suppliers, charging equipment manufacturers, national labs, utility companies, universities and standards organizations from North America, Europe and Asia. The document is published and can be purchased at http://www.sae.org/technical/standards/J1772_201001.

Comments

Eletruk

Hurray!
Now where can I get the receptacle for my EV?

Mannstein

Hopefully they will also upgrade the neighborhood transformers before everyone recharges overnight.

HarveyD

Mannstein:

We have no problem with overnight charging loads because our electric heating system is automatically turned down at 22:30h releasing 8 to 12 KWh for PHEVs -BEVs. Over 90% of our neighbours do the same.

Alternatively, resistive heaters can be replaced with dual cycles, cold weather, ultra high efficiency heat pumps, releasing 6 to 10 Kwh 24/7 for e-cars for most electrically heated residences.

The average 10 Kwh daily overnight charge for PHEVs-BEVs is not a challenge because it is easy to offset with an equivalent load.
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citizen

It is so old-world for SAE to charge $50 for the report. It is another symptom of the reason that a lot of manufacturing has gone overseas.

sulleny

It'll appear on the internet soon.

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