Automotive Engineering - February 2024 - 6

TECHNOLOGY
REPORT
CHARGING INFRASTRUCTURE
SAE completes next step to standardize Tesla-developed
EV charging connector
A 2024 Jeep Grand
Cherokee 4xe hybrid
recharging. Although
many automakers
have stated their
intention to adopt
the NACS charging
connector, as of late
2023, Jeep parent
company Stellantis
had yet to confirm
it is considering an
option to the current
SAE J1772 Combined
Charging System
(CCS) connector.
SAE International announced on December 19
that it has released the Technical Information
Report (TIR) for the SAE J3400 standard covering
development and implementation of the
Tesla-developed NACS (North American
Charging Standard) connector to couple public
and residential charging units to EVs made by
any automaker. In a release, the organization
said the SAE J3400 North American Charging
Standard Electric Vehicle Coupler Technical
Information Report (TIR) " was developed
through broad-based industry consensus in the
SAE Hybrid-EV J3400 TM NACS Electric
Vehicle Coupler Task Force. "
The SAE J3400: NACS Electric Vehicle
Coupler Technical Information Report can be
reached at: https://www.sae.org/standards/
content/j3400_202312/
Release of the TIR for the J3400 standard
means certain critical engineering and development
parameters have been established to allow
developers to proceed with certainty about
many critical aspects of deployment and commercialization
of the NACS connector. Ford and
GM this spring were the first in a string of automakers
to indicate they would adopt the NACS
charging connector. SAE said in June 2023 that
it would standardize the NACS connector.
SAE said that in addition to benefiting EV
drivers, the standard will help to ensure that any
supplier or manufacturer will be able to use,
manufacture, or deploy the J3400 connector for
vehicles and charging stations in North America.
" SAE J3400 provides a blueprint for cost-effec6
February 2024
tive mass electrification of transportation in
North America, " said Dr. Rodney McGee, Ph.D.,
P.E., who is chairman of the SAE J3400 NACS
Task Force and also is a Research Engineer at the
Transportation Electrification Center at the
University of Delaware. The standard, he stressed,
" facilitates broad interoperability for EV charging
solutions by providing a unified, compact connector
for both AC and DC charging. "
Crucially, the standardized approach also
means that the same utility power feeds used for
public DC fast charging can be utilized for singlephase
AC charging used in homes and other facilities,
" eliminating the need for separate circuit
panels and additional step-down transformers at
charging sites, resulting in lower infrastructure
costs and higher efficiencies, " SAE said.
In the release confirming the completion of
the TIR for the J3400 standard, SAE said the
U.S.'s Joint Office of Energy and Transportation
was instrumental in fostering the SAE-Tesla
partnership to expedite plans to standardize
NACS. " As the Joint Office supports the buildout
of a convenient and reliable national charging
network, open and interoperable standards are
crucial to ensuring that every EV can charge at
any station, " said Gabe Klein, executive director
of the Joint Office of Energy and Transportation.
" We appreciate the commitment and knowledge
of SAE and its experts from the automotive,
EV charging, academic, and government
sectors to make the charging experience easier
and more accessible for Americans nationwide. "
Bill Visnic
SAE INTERNATIONAL
BOARD OF DIRECTORS
Carla Bailo
President
Robert Ireland
2025 President
Todd Zarfos
2023 President
Christopher Payne
Vice President - Aerospace
Daniel Nicholson
Vice President - Automotive
Audley Brown
Vice President -
Commercial Vehicle
David Andrea
Treasurer
David L. Schutt, Ph.D
Chief Executive Officer
Gregory L. Bradley, Esq.
Secretary
Judy Curran
Mary Lee Gambone
Joan Wills
Susan Ying, Ph.D
SAE International Sections
SAE International Sections are local
units comprised of 100 or more SAE
International Members in a defined
technical or geographic area. The purpose
of local Sections is to meet the technical,
developmental, and personal needs of the
SAE Members in a given area. For more
information, please visit sae.org/sections
or contact SAE Member Relations Specialist
Abby Hartman at abby.hartman@sae.org.
SAE International
Collegiate Chapters
Collegiate Chapters are a way for SAE
International Student Members to get
together on their campus and develop
skills in a student-run and -elected
environment. Student Members are vital
to the continued success and future of
SAE. While your course work teaches
you the engineering knowledge you
need, participation in your SAE Collegiate
Chapter can develop or enhance other
important skills, including leadership,
time management, project management,
communications, organization, planning,
delegation, budgeting, and finance. For
more information, please visit students.
sae.org/chapters/collegiate/ or contact
SAE Member Relations Specialist Abby
Hartman at abby.hartman@sae.org.
AUTOMOTIVE ENGINEERING
STELLANTIS
https://www.sae.org/standards/content/j3400_202312/ https://www.sae.org/standards/content/j3400_202312/ http://www.sae.org/sections http://www.sae.org/chapters/collegiate/

Automotive Engineering - February 2024

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