Optimal allocation of hybrid PVDG and DSVC devices into distribution grids using a modified NRBO algorithm considering the overcurrent protection characteristics
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: April 15, 2025
The
never-ending
issue
of
inadequate
energy
availability
is
constantly
on
the
outermost
layer.
Consequently,
an
ongoing
effort
has
been
made
to
improve
electric
power
plants
and
system
configurations.
Photovoltaic
Distributed
Generators
(PVDG)
compensators
such
as
Static
Var
Compensator
(DSVC)
are
center
these
recent
advances.
Due
its
high
complexity,
devices'
optimum
locating
dimensions
a
relatively
new
in
Electrical
Distribution
Grid
(EDG).
A
modified
version
Newton
Raphson
Based
Optimizer
(mNRBO)
carried
out
optimally
allocate
PVDG
DSVC
devices
tested
IEEE
33
69
bus
EDG.
mNRBO
algorithm
integrates
four
parameters
enhance
NRBO's
performance
by
addressing
limitations
balancing
exploration
exploitation.
article
suggested
novel
Multi-Objective
Functions
(MOF),
which
have
considered
optimize
concurrently
overall
amount
active
loss
(APL),
voltage
deviation
(VD),
relays
operation
time
(TRELAY),
well
coordination
interval
(CTI)
between
primaries
backup
set
up
proposed
surpasses
basic
NRBO
version,
long
another
alternative
algorithm,
while
providing
very
good
results,
minimizing
APL
from
210.98
kW
until
26.482
224.948
18.763
for
respectively.
Which
proves
capability
solving
challenges.
Language: Английский
Novel hybrid arithmetic optimization algorithm-recursive least square approach for power system harmonic estimation
International Journal of Emerging Electric Power Systems,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 11, 2024
Abstract
Accurate
harmonic
estimation
is
essential
for
effective
power
quality
assessment,
designing
appropriate
filters,
and
ensuring
the
reliable
operation
of
electrical
equipment.
This
article
proposes
a
novel
hybrid
technique
combining
recursive
least
square
(RLS)
arithmetic
optimization
algorithm
(AOA)
accurate
harmonics,
inter-harmonics
sub-harmonics.
AOA
new
meta-heuristic
method
based
on
distribution
behaviour
main
operators
such
as
addition,
subtraction,
multiplication
division.
RLS
used
amplitude
whereas
phase
estimated
by
AOA.
The
performance
AOA–RLS
investigated
in
detail
system
signals
using
two
set
test
buried
with
noise.
proposed
proved
to
be
efficient
estimating
both
parameters
under
different
signal
noise
ratio
(SNR)
conditions
an
error
E
−3
.
efficacy
demonstrated
comparing
competitive
existing
techniques.
also
verified
experimental
studies.
Language: Английский
RSO based selective harmonic elimination control for nine-level switched capacitor inverter
International Journal of Emerging Electric Power Systems,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 19, 2024
Abstract
Renewable
energy
utilization
has
gained
much
attention
in
the
recent
time
owing
to
sharp
increase
power
demand.
Out
of
different
renewable
sources,
photovoltaic
(PV)
forms
is
one
key
focus.
Power
converter
such
as
multilevel
inverters
(MLIs)
are
proven
components
for
PV
systems
well
other
applications
motor
drives,
electric
vehicles,
and
charging
stations.
With
advancement
design
MLIs,
switched-capacitor
(SC)
based
MLIs
have
been
widely
deployed
their
boosting
capability
which
a
major
requirement
systems.
In
this
paper,
reduced
switch
single
input
step-up
9-level
SC
MLI
first
proposed.
Followed
by
this,
new
Rat
Swarm
Optimization
(RSO)
Selective
Harmonic
Elimination
(SHE)
control
method
incorporated
switching
operation.
RSO
ability
provide
solution
with
higher
competency
within
less
computationally
complex
approach.
The
operation
proposed
structure
analyzed
its
advantages
justified
comparison
exiting
topologies.
effectiveness
SHE
scheme
also
verified
comparing
it
nature-inspired
algorithms.
workability
system
examined
using
simulation
experimental
tests.
Language: Английский