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DC Charging and Standards for Plug-in Electric Vehicles
Technical Paper
2013-01-1475
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
This paper is the fourth in the series of documents designed to
identify the progress on the SAE Plug-in Electric Vehicle (PEV)
communication task force. - The initial paper (2010-01-0837)
introduced utility communications (J2836/1™ & J2847/1) and
how the SAE task force interfaced with other organizations. - The
second paper (2011-01-0866) focused on the next steps of the
utility requirements and added DC charging (J2836/2™ &
J2847/2) along with initial effort for Reverse Power Flow
(J2836/3™ & J2847/3). - The third paper (2012-01-1036)
summarized the task force documents and interaction. It also
included the continued testing of PowerLine Carrier (PLC) products
for Utility and DC charging messages using Electric Power Research
Institutes (EPRI) test plan and schedule that were used at EPRI and
Argonne National Labs (ANL). It also included a more complete
section on Reverse Power Flow that has now expanded to Use cases
for the Plug-In Electric Vehicle (PEV) as a Distributed Energy
Resource (DER) that is now published as J2836/3™.
The purpose of this paper is to provide an update for Fast
Charging or DC Charging. The documents for DC Level 1 & 2
charging have been published and include updates to three existing
standards and the initial release of a fourth. J1772™ is the
document for the EV Supply Equipment (EVSE), architecture and
safety features for both AC and DC charging and was updated to
place DC charging requirements back into it, since previous
versions had it removed to focus on AC charging. The Combo
connector was included along with isolation monitoring and control,
precharge and additional safety features as part of the latest
version of J1772™. J2931/1 is the communication requirements
document and it was updated to include additional layers of the
communication stack and harmonize with effort in ISO/IEC 15118 and
DIN 70121 standards. The digital communication used for DC charging
is PowerLine Carrier (PLC) known as HomePlug GreenPHY (HP GP) and
is described in the initial release of J2931/4. PLC is a carrier
signal on the J1772™ control pilot circuit and does not require
additional terminals or circuits.
The publication of these documents also aligns with the UL
certification of the SAE Combo connector so both the standards and
the products are moving into the implementation phase with a solid
base of documentation and equipment.
Customers can select different engines such as a V6 or V8 for
the vehicle. The combination of modules and wiring is coordinated
with these complexities so the vehicle is built correctly. It
should be the same with on-board chargers and their EV Supply
Equipment (EVSE) so the customer could choose the combination that
matches their needs. The EVSE could be installed at their home or
if desired, the customer could rely on public locations. Off-board
chargers could be included in the home or public EVSE at a variety
of power levels. This paper will identify an approach or tool that
can be used to develop the customer value based on cost and time of
re-charging both Plug-in Hybrid Electric (PHEV) and Battery
Electric (BEV) types of Plug-in Electric Vehicles (PEV).
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