2021 International Conference in Advances in Power, Signal, and Information Technology (APSIT),
Journal Year:
2023,
Volume and Issue:
unknown, P. 177 - 181
Published: June 9, 2023
This
manuscript
presents
a
novel
teamwork
optimization
algorithm
based
simultaneous
allocation
of
active
devices
(biomass
DGs
and
DSTATCOMs)
for
three
different
voltage
dependent
loading
scenarios
namely
constant
power,
current,
impedance
in
power
distribution
network.
Both
the
placements
sizes
these
are
optimized
concurrently
numbers
multi-objective
framework
that
includes
real
loss
reduction,
reactive
deviation
stability
index
enhancement.
The
proposed
technique
has
been
successfully
validated
on
standard
33
bus
network,
simulation
results
show
performance
network
improves
significantly
presence
optimally
allocated
biomass
DSTATCOMs
studied
scenarios.
Energies,
Journal Year:
2023,
Volume and Issue:
16(8), P. 3532 - 3532
Published: April 19, 2023
The
problem
regarding
the
optimal
integration
of
efficient
reactive
power
compensation
in
radial
and
meshed
distribution
networks
using
fixed-step
capacitor
banks
static
compensators
(D-STATCOMs)
is
addressed
this
research
paper
by
proposing
a
master–slave
optimization
methodology.
Radial
topologies
are
considered
for
grid
structure
while
including
variable
active
demand
curves.
An
economic
analysis
performed,
considering
net
present
value
plan,
as
well
costs
energy
losses
banks’
acquisition,
installation,
operation.
In
case
D-STATCOMs,
an
annualized
presented.
master
stage,
discrete
version
generalized
normal
(GNDO)
algorithm
selects
nodes
sizes
banks.
slave
successive
approximations
flow
approach
implemented.
Numerical
results
IEEE
33-bus
(with
both
topologies)
85-bus
configuration)
demonstrated
proposed
optimization’s
effectiveness
minimizing
project’s
expected
planning
period
five
years.
Moreover,
simulation
69-bus
under
peak
operation
conditions
showed
that
GNDO
excellent
technique
to
solve
studied
when
compared
combinatorial
exact
methods.
addition,
numerical
validations
D-STATCOMs
confirmed
robustness
addressing
problems
associated
with
medium-voltage
systems.
IEEE Access,
Journal Year:
2024,
Volume and Issue:
12, P. 55111 - 55133
Published: Jan. 1, 2024
The
growing
demand
for
electric
power
and
the
need
an
energy
transition
that
contributes
to
reduction
of
global
greenhouse
gas
emissions
have
driven
development
various
generation,
storage,
offset
technologies.
These
technologies
are
known
as
distributed
resources
.
Their
integration
into
distribution
systems
not
only
improving
operating
aspects,
but
also
allows
supplying
electricity
areas
do
access
large-scale
systems.
Therefore,
management
these
resources
has
become
a
topic
interest,
several
studies
seek
optimize
their
impact
on
technical,
economic,
environmental
aspects.
However,
this
optimization
poses
specific
challenges
related
type
number
variables
operation
system.
This
review
article
aims
describe
main
posed
by
three-phase
AC
under
scenarios
involving
distributed
resources.
In
addition,
it
presents
some
approaches
proposed
different
authors
improve
aspects
grids.
It
can
be
stated
strategies
presented
in
literature
fail
consider
simultaneously
integrate
types
them
while
following
multi-objective
approach
considering
context
variable
generation
demand.
future
work
field
should
address
holistic
manner,
taking
account
computation
efforts
processing
times
required
intelligent
algorithms.
Energies,
Journal Year:
2024,
Volume and Issue:
17(13), P. 3291 - 3291
Published: July 4, 2024
System
strength
is
both
supplied
and
demanded
in
a
power
system
during
normal
operations
the
presence
of
disturbances.
This
characterised
by
stable
voltage
frequency,
supporting
renewable
generation
such
as
wind
solar.
Because
retirement
synchronous
generators
reduces
supply,
connection
new
inverter-based
resource
(IBR)
increases
demand,
there
an
urgent
need
for
sources
strength.
paper
provides
overview
challenges
brought
about
grid
modernisation.
It
highlights
tangible
solutions
provided
condensers
(SCs)
to
bolster
strength,
stability,
reliability
while
accommodating
rising
influx
energy
(RESs).
Furthermore,
this
examines
role
SCs
improving
weak
grids,
control,
quality,
short-circuit
levels,
inertia
management.
introduces
innovative
hybrid
condenser
(HSC)
systems
boost
resilience.
also
elaborates
on
optimisation
strategies
SC
sizing,
placement,
control
outlines
economic
aspects
their
deployment.
The
review
future
directions
technology,
emphasising
ongoing
research
development
enhance
design
operation.
Computation,
Journal Year:
2023,
Volume and Issue:
11(7), P. 145 - 145
Published: July 20, 2023
This
research
analyzes
electrical
distribution
networks
using
renewable
generation
sources
based
on
photovoltaic
(PV)
and
static
compensators
(D-STATCOMs)
in
order
to
minimize
the
expected
annual
grid
operating
costs
for
a
planning
period
of
20
years.
The
separate
simultaneous
placement
PVs
D-STATCOMs
is
evaluated
through
mixed-integer
nonlinear
programming
model
(MINLP),
whose
binary
part
pertains
selecting
nodes
where
these
devices
must
be
located,
continuous
associated
with
power
flow
equations
device
constraints.
optimization
solved
vortex
search
algorithm
sake
comparison.
Numerical
results
IEEE
33-
69-bus
grids
demonstrate
that
combining
PV
D-STATCOM
entails
maximum
reduction
when
compared
solutions
reached
separately
by
each
device,
reductions
about
35.50%
35.53%
final
objective
function
value
respect
benchmark
case.
All
computational
validations
were
carried
out
MATLAB
environment
(version
2021b)
our
own
scripts.
Algorithms,
Journal Year:
2023,
Volume and Issue:
16(5), P. 225 - 225
Published: April 27, 2023
The
problem
regarding
the
optimal
placement
and
sizing
of
different
FACTS
(flexible
alternating
current
transmission
systems)
in
electrical
distribution
networks
is
addressed
this
research
by
applying
a
master–slave
optimization
approach.
analyzed
correspond
to
unified
power
flow
controller
(UPFC),
thyristor-controlled
shunt
compensator
(TCSC,
also
known
as
thyristor
switched
capacitor,
or
TSC),
static
var
(SVC).
master
stage
entrusted
with
defining
location
size
each
device
using
hybrid
discrete-continuous
codification
through
application
black
widow
(BWO)
slave
corresponds
successive
approximations
method
based
on
admittance
grid
formulation,
which
allows
determining
expected
costs
energy
losses
for
one-year
operation
period.
numerical
results
IEEE
33-,
69-,
85-bus
grids
demonstrate
that
best
locating
SVC,
given
that,
when
compared
UPFC
TCSC,
it
possible
reduction
equivalent
annual
investment
operating
cost.
A
comparative
analysis
General
Algebraic
Modeling
System
software,
aim
solve
exact
mixed-integer
nonlinear
programming
model,
demonstrated
proposed
BWO
approach’s
effectiveness
radial
networks.
Reductions
about
12.63%
13.97%
concerning
benchmark
cases
confirmed
SVC
option
reactive
compensation
grids.
Energies,
Journal Year:
2023,
Volume and Issue:
16(17), P. 6122 - 6122
Published: Aug. 22, 2023
The
existing
distribution
networks
were
designed
at
a
time
when
there
was
virtually
no
embedded
generation.
design
methods
ensured
the
voltage
various
parts
of
network
remained
within
limits
required
by
standards,
and
for
most
part,
this
very
successfully
achieved.
As
Distributed
Energy
Resources
(DERs)
started
to
grow,
rise
in
due
injected
currents
local
impedances
push
voltages
toward,
even
above,
desired
upper
limits.
Voltage
are
based
on
typical
appliance
requirements,
long-term
over-voltages
will
ultimately
result
unacceptably
short
life
spans.
Distribution
Static
Compensators
(dSTATCOMs)
shunt-connected
devices
that
can
improve
low-voltage
networks’
performance
injecting
do
not
transfer
real
power.
be
reactive,
negative
or
zero
sequence,
harmonic.
System
improved
reducing
conduction
loss,
improving
profile
balance,
Total
Harmonic
Distortion
(THD).
To
obtain
these
benefits,
optimal
sizes
dSTATCOMs
need
placed
locations
network.
This
paper
has
considered
seventy
research
articles
published
over
past
years
related
placement
sizing
dSTATCOMs.
In
study,
minimization
power
losses,
improvement,
loadablity
factor,
sag
mitigation,
reduction
annual
operating
costs
fitness
functions
subjected
multiple
constraint
sets.
optimization
algorithms
found
literature
categorized
into
six
methods:
analytical
methods,
artificial
neural
network-based
sensitivity
approaches,
metaheuristic
combination
analysis,
miscellaneous.
study
also
presents
comparison
among
types,
load
flow
tools,
etc.
Therefore,
comprehensive
review
allocation
is
presented
paper,
guidance
future
provided.
