IMPACT OF PARTIAL SHADING GEOMETRY ON THE ENERGY AND EXERGY PERFORMANCE OF PV MODULES
Konya Journal of Engineering Sciences,
Год журнала:
2025,
Номер
13(1), С. 321 - 335
Опубликована: Март 1, 2025
In
this
experimental
study,
the
impact
of
geometric
shape
partial
shading
on
energy
and
exergy
performance
photovoltaic
(PV)
modules
was
evaluated
using
quadrant,
triangular,
rectangular
shaped
shaders
located
PV₁,
PV₂,
PV₃
modules.
The
change
in
power
output
as
well
first
second
efficiency
PV
examined.
addition,
fluctuations
cost
destruction
(COEx)
sustainability
index
(SI)
were
also
observed.
As
a
result,
while
law
efficiencies
determined
to
be
5.33%,
6.85%,
4.97%,
respectively,
calculated
2.06%,
3.99%,
1.38%,
respectively.
decrease
rate
compared
module
6.86%,
5.34%,
7.22%,
Likewise,
decline
8.36%,
6.43%,
9.04%,
COEx
for
them
$29.89/year,
$29.34/year,
$30.11/year,
it
$29.01/year.
SI
is
8.92%,
7.14%,
9.82%
lower
than
that
module.
Язык: Английский
Optimal arrangement of shaded photovoltaic array using new modified black-winged kite algorithm
Expert Systems with Applications,
Год журнала:
2025,
Номер
unknown, С. 128375 - 128375
Опубликована: Май 1, 2025
Язык: Английский
Performance Analysis of Interconnection and Differential Power Processing Techniques under Partial Shading Conditions
Energies,
Год журнала:
2024,
Номер
17(13), С. 3252 - 3252
Опубликована: Июль 2, 2024
Partial
shading
conditions
can
cause
low
output
power,
hotspots,
and
a
reduced
lifespan
in
photovoltaic
arrays.
Interconnection
(IC)
differential
power
processing
(DPP)
be
used
to
mitigate
these
effects.
When
individually
applied
an
array,
techniques
significantly
increase
the
generated
power.
A
few
authors
studied
combined
use
of
schemes
under
specific
such
as
large-scale
arrays
or
complex
combination
several
techniques,
making
it
difficult
identify
individual
contribution
each
technique.
Here,
we
aimed
determine
whether
switching-inductor
DPP
circuit
total-cross-tied
interconnection
scheme
presents
better
performance
than
standalone
technique,
using
small-scale
array.
An
array
was
tested
IC,
DPP,
both
subjected
13
patterns
two
irradiance
levels.
The
case
assessed
maximum
ratio,
mismatch
loss,
enhancement
indicators.
results
showed
that
when
is
with
interconnection.
ratio
values
up
97%,
losses
lower
36.9%,
95.9%.
shows
worst
among
three
techniques.
Язык: Английский
Partial Shading of Photovoltaic Modules with Thin Linear Objects: Modelling in MATLAB Environment and Measurement Experiments
Energies,
Год журнала:
2024,
Номер
17(14), С. 3546 - 3546
Опубликована: Июль 19, 2024
This
paper
proposes
a
mathematical
model
for
the
shading
profiles
of
PV
module
with
thin,
long
linear
elements.
The
includes
brightness
distribution
over
entire
region
(umbra,
penumbra,
and
antumbra).
A
corresponding
calculation
code
in
form
m-files
has
been
prepared
MATLAB
environment.
input
data
calculations
are
coordinates
Sun’s
position
sky,
dimensions
spatial
orientation
element,
shaded
module.
correctness
was
verified
by
measurement
experiment
carried
out
under
actual
outdoor
weather
conditions.
Statistical
analysis
comparison
between
from
showed
its
high
accuracy.
As
part
this
research
work,
it
also
checked
how
thin
elements
affects
current–voltage
characteristics
It
turned
that
even
small
could
reduce
power
output
more
than
6%,
across
individual
cells
being
extremely
important.
Язык: Английский
Analysis of ludo-shaped configuration of PV arrays under different partial shaded configuration
Electrical Engineering,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 10, 2024
Язык: Английский
Power Enhancement Under Partial Shading Conditions Using Snake Moving Pattern Reconfiguration Algorithm
Опубликована: Март 14, 2024
Язык: Английский
Dynamic optimization strategy to enhance the efficiency of photovoltaic system
Zerhouni M’hamed Houari,
Mansour Zegrar,
Benmessaoud Mohamed Tarik
и другие.
STUDIES IN ENGINEERING AND EXACT SCIENCES,
Год журнала:
2024,
Номер
5(2), С. e12301 - e12301
Опубликована: Дек. 17, 2024
Our
present
work
exploits
the
potential
of
photovoltaic
energy:
abundant
wealth
Algeria
and
aims
to
improve
use
solar
panels
PPV.
Directly
associating
with
a
given
load
sometimes
limits
their
good
exploitation.
With
this
in
mind,
is
interested
developing
understanding
one
ways
exploit
inexhaustible
energy.
Indeed,
lack
optimization
generates
system
often
presenting
failures
efficiency
therefore
poor
exploitation
This
develop
technique
draw
best
power
from
The
is:
implementation
dynamic
topology
method
PV
optimize
fixed
number
developed
determines
assembly
field
by
adjusting
connections
between
its
panels,
order
minimize
losses
system.
interest
maximize
cells.
optimal
PPV
for
any
load,
at
real
operating
conditions.
results
found
are
presented.
Язык: Английский