Enhancing Wireless Charging for Electric Vehicles: Active Load Impedance Matching and Its Impact on Efficiency, Cost and Size
Electronics,
Год журнала:
2024,
Номер
13(14), С. 2720 - 2720
Опубликована: Июль 11, 2024
This
paper
presents
an
advanced
Wireless
Power
Transfer
(WPT)
system
for
electric
vehicles
(EVs)
featuring
Active
Load
Impedance
Matching
(ALIM)
at
the
rectification
stage.
Unlike
traditional
synchronous
rectification,
ALIM
dynamically
adjusts
load
impedance,
optimizing
energy
transfer
efficiency
and
reducing
thermal
stresses,
costs,
mass.
The
incorporates
two
circuits
optimized
distinct
frequency
bands:
one
operates
below
10
kHz
using
standard
copper
wiring
cost-effectiveness,
other
85
kHz,
which
significantly
reduces
mass
of
onboard
coil
magnetic
circuit
while
ensuring
interoperability
according
to
SAE
J2954
standard.
Our
approach
enhances
charging
across
various
operating
conditions,
improves
management,
minimizes
maintenance
costs.
Additionally,
it
enables
partial
compensation
vehicle
misalignment
ground
assembly
further
boosting
interoperability.
Experimental
results
demonstrate
a
notable
increase
in
reduction
mass,
confirming
superiority
ALIM-equipped
WPT
over
conventional
solutions.
underscores
potential
advance
scalability,
efficiency,
economic
viability
wireless
EV
technology,
promoting
broader
adoption
sustainability
infrastructures.
By
providing
comprehensive
solution
that
addresses
key
challenges
charging,
our
work
paves
way
more
efficient
cost-effective
systems.
Язык: Английский
Mobile Charging Stations: A Comprehensive Review of Converter Topologies and Market Solutions
Energies,
Год журнала:
2024,
Номер
17(23), С. 5931 - 5931
Опубликована: Ноя. 26, 2024
The
adoption
of
electric
vehicles
(EVs)
has
shown
exponential
growth
in
recent
years,
with
expectations
for
further
development
the
years
to
come.
With
such
significant
expansion,
efforts
and
incentives
are
shifting
from
EV
sales
projects
aimed
at
expanding
charging
station
infrastructure.
In
order
sustain
this
growing
trend,
a
reliable
robust
infrastructure
is
needed.
However,
entire
process
planning,
designing,
constructing
fixed
stations
(FCSs)
time-consuming
expensive.
scenario,
mobile
(MCSs)
offer
complementary
solution
ensure
necessary
reliability
improvement
owners’
experiences
electrified
transportation
sector,
as
they
help
reduce
range
anxiety,
peak-hour
costs,
waiting
times.
sense,
paper
aims
disseminate
state-of-the-art
research
studies
on
MCSs,
covering
topics
architectures,
standards,
converter
topologies,
market
solutions.
Язык: Английский