Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Апрель 25, 2023
Abstract
Solar
energy
offers
several
environmental,
economic,
and
security
advantages.
Parasitic
parameters
shading
on
solar
panels
can
reduce
efficiency.
This
paper
presents
a
bio-inspired
Enhanced
Slime
Mold
(ESM)
algorithm
search
strategy
to
find
the
optimal
power
point
by
simulating
behaviour
of
slime
molds
in
virtual
environment.
In
panel,
proposed
ESM
provides
not
only
for
parameter
extraction
but
also
serves
as
Maximum
Power
Point
Tracking
(MPPT)
during
Partial
Shading
Conditions
(PSC).
Proposed
dynamic
is
examined
under
irradiation
various
temperature
conditions.
The
effectiveness
technique
has
been
validated
extracting
from
conventional
polycrystalline
monocrystalline
modules
form
5S-5P
arrangement.
instance
MPPT
operation,
compared
with
Ant
Bee
Colony
Perturb&
Observe
(ABC-PO)
determine
its
efficacy.
Moreover,
unknown
cell
existing
optimization
algorithms
such
Artificial
Swarm
Optimization
(ABC
SO),
Genetic
Algorithm
(GA),
Covariant
Matrix
(CM),
(ABC),
Advanced
Particle
(APSO).
this
connection,
superior
above-mentioned
due
high
accuracy,
smaller
number
computations,
minimum
computational
time.
PLoS ONE,
Год журнала:
2024,
Номер
19(12), С. e0309330 - e0309330
Опубликована: Дек. 30, 2024
This
paper
investigates
enhancing
the
efficiency
of
solar
water
pumping
systems
(SWPS)
by
implementing
a
Maximum
Power
Point
Tracking
technique
based
on
Bat
Metaheuristic
Optimizer
(MPPT-bat)
for
photovoltaic
generator
(PVG)
side,
coupled
with
Direct
Torque
Control
(DTC)
induction
motor
powering
pump.
Unlike
traditional
techniques,
which
make
no
compromise
between
tracking
speed,
oscillation
and
robustness.
The
integration
MPPT-bat
represents
significant
advance,
making
it
possible
to
improve
PVG
performance
whatever
weather
conditions.
main
objective
remains
energy
this
type
application
maximizing
electrical
power
allocated
SWPS.
At
same
time,
DTC
controller
applied
pump
aims
optimize
use
generated
MPPT-bat.
intelligent
approach
adjusts
according
extracted
from
PVG,
thus
avoiding
inappropriate
profiles
system.
study
confirms
that
optimizing
SWPS
using
DTC,
significantly
improves
overall
performances
in
terms
error,
oscillations,
speed
robustness,
promotes
more
efficient
rotation
and,
consequently,
increases
flow
rate
pumped
water,
these
improvements
persist
under
different
climate
Energy Reports,
Год журнала:
2023,
Номер
10, С. 4659 - 4678
Опубликована: Ноя. 1, 2023
This
article
extensively
analyses
PI,
Type-2,
and
Type-3
controllers
in
interfacing
converters,
specifically
focusing
on
boost
interleaved-boost
converters.
The
primary
objective
is
to
enhance
regulation
within
a
standalone
microgrid
system
integrated
with
photovoltaic
(PV)
sources.
analysis
encompasses
various
aspects
of
regulation,
including
line
load
reference
tracking,
parametric
sensitivity
analysis.
initial
phase
the
study
involves
examining
using
small-signal
modelling
continuous
conduction
mode
(CCM).
Subsequently,
we
propose
implement
for
closed-loop
operation
these
converters
achieve
improved
dynamic
efficiency
reliability.
implemented
control
strategy
integrates
maximum
power
point
tracking
(MPPT)
(PI,
Type-3)
compares
comprehensively.
comparison
supported
by
theoretical,
numerical,
graphical
transient
parameters
such
as
rise
time,
settling
overshoot.
results
our
demonstrate
that
converter
(IBC)
coupled
controller
exhibits
most
favourable
performance
across
all
To
validate
proposed
methodology,
conducted
experimental
work
an
input
voltage
10
V,
Exide
225-watt
polycrystalline
solar
panel
reference.
Energies,
Год журнала:
2023,
Номер
16(3), С. 1350 - 1350
Опубликована: Янв. 27, 2023
This
paper
studies
the
problem
regarding
optimal
power
dispatch
of
photovoltaic
(PV)
distributed
generators
(DGs)
in
Direct
Current
(DC)
grid-connected
and
standalone
networks.
The
mathematical
model
employed
considers
reduction
operating
costs,
energy
losses,
CO2
emissions
as
objective
functions,
it
integrates
all
technical
constraints
implied
by
DC
grids
a
scenario
variable
PV
generation
demand.
As
solution
methodology,
master–slave
strategy
was
proposed,
whose
master
stage
employs
Antlion
Optimizer
(ALO)
for
identifying
values
to
be
dispatched
each
PV-DG
installed
grid,
whereas
slave
uses
matrix
hourly
flow
method
based
on
successive
approximations
evaluate
functions
associated
with
proposed
within
iterative
process
ALO.
Two
test
scenarios
were
considered:
network
that
characteristics
city
Medellín,
Antioquia,
data
from
municipality
Capurganá,
Chocó,
both
them
located
Colombia.
comparison
methods,
five
continuous
optimization
methods
used
which
specialized
literature
solve
problems
grids:
crow
search
algorithm,
particle
swarm
multiverse
salp
vortex
algorithm.
effectiveness
evaluated
terms
solution,
its
repeatability,
processing
times,
obtained
best
results
respect
grid
types.
simulation
systems
evidenced
methodology
regard
short
times
analyzed.
International Journal of Green Energy,
Год журнала:
2023,
Номер
21(3), С. 589 - 624
Опубликована: Апрель 19, 2023
Maximum
power
generation
from
solar
modules
is
adversely
affected
by
partial
shading
conditions.
To
strengthen
and
obtain
feasible
output
under
any
complex
shadings,
a
new
double
diode
model
with
deterioration
factor
(DDM-DF)
proposed
for
the
optimal
selection
of
patterns.
It
used
to
validate
effectiveness
novel
heuristic
approach
called
time-distance-constrained
topology
(D-CT).
The
D-CT
compared
conventional
techniques
(bridge
link
(BL),
series-parallel
(S-P),
total
cross-tied
(TCT)),
puzzles
(sudoku
(SDK),
magic-square
(M-SP)),
recently
reconfigured
(permutation-combination
(PCR),
knight-tour
(KTR)).
In
this
paper,
experimental
study
validates
outcomes
obtained
MATLAB/SIMULINK
results
various
realistic
shadings.
Experimental
prove
that
enhances
efficiency
5.45%,
3.57%,
3.54%
over
TCT,
PCR,
KTR
inverted-L
shading.
Further,
minimum
maximum
mismatch
loss
reduced
up
1.90%
97.61%
top
against
SDK
S-P
respectively.
real-time
validation
4×4
pi
diagonal
exhibits
greater
performance
parameter
enhancement
array
subjected
shadings
in
correlation
other
models.
