Information,
Год журнала:
2024,
Номер
15(10), С. 638 - 638
Опубликована: Окт. 14, 2024
In
recent
decades,
with
the
expansion
of
distributed
energy
generation
technologies
and
increasing
need
for
more
flexibility
efficiency
in
distribution
systems,
microgrids
have
been
considered
a
promising
innovative
solution
local
supply
enhancing
resilience
against
network
fluctuations.
One
basic
challenges
operation
is
optimal
management
voltage
frequency
network,
which
has
subject
extensive
research
field
microgrid
operational
optimization.
The
demand
crucial
element
due
to
its
fluctuating
nature
over
day.
use
response
strategies
one
most
important
factors
dealing
renewables.
These
enable
better
microgrids,
thereby
improving
system
stability.
Given
complexity
optimization
problems
related
management,
evolutionary
algorithms
such
as
Imperialist
Competitive
Algorithm
(ICA)
Genetic
(GA)
gained
great
attention.
solving
high-complexity
by
considering
various
constraints
multiple
objectives.
this
paper,
both
ICA
GA,
well
their
hybrid
application,
are
used
significantly
enhance
regulation
microgrids.
integration
techniques
improves
overall
results
proved
that
method
provides
valuable
insights
optimizing
systems.
Energies,
Год журнала:
2023,
Номер
16(12), С. 4590 - 4590
Опубликована: Июнь 8, 2023
This
paper
provides
a
comprehensive
review
of
the
future
digitalization
microgrids
to
meet
increasing
energy
demand.
It
begins
with
an
overview
background
microgrids,
including
their
components
and
configurations,
control
management
strategies,
optimization
techniques.
then
discusses
key
digital
technologies
that
can
be
used
improve
performance
distributed
resources
systems,
Internet
Things,
big
data
analytics,
blockchain
technology,
artificial
intelligence,
twin
cloud
computing,
augmented
reality.
The
also
highlights
importance
cybersecurity
in
identifying
potential
security
vulnerabilities
threats
microgrid
cybersecurity,
as
well
strategies
for
addressing
these
challenges.
Finally,
barriers
challenges
regarding
technical
complexity,
high
implementation
costs,
regulatory
barriers,
privacy
concerns,
lack
standardization,
interoperability
issues,
limited
expertise,
integration
main
grid.
Overall,
this
demonstrates
significant
transform
microgrids.
By
leveraging
advanced
implementing
effective
measures,
become
more
efficient,
reliable,
resilient,
enabling
them
growing
demand
contribute
sustainable
future.
IEEE Transactions on Power Electronics,
Год журнала:
2023,
Номер
38(12), С. 15377 - 15389
Опубликована: Сен. 6, 2023
The
commonly
applied
conventional
voltage-mode
droop
control
of
a
dc
microgrid
involves
feeding
the
load
current
into
local
voltage
loop's
reference
via
virtual
resistance
loop.
When
currents
include
ripples,
power
converters
are
forced
to
reproduce
these
ripples
at
their
outputs.
state-of-the-art
bus
ripple
mitigation
techniques
demonstrate
poor
performance
when
added
regular
converter
under
since
they
essentially
require
in
order
generate
nonzero
compensation
currents.
In
this
article,
we
propose
droop-based
frequency-selective
impedance
(dFSIC)—a
primary
level
strategy
that
is
specifically
designed
for
droop-controlled
set
particular
magnitudes
total
output
frequencies.
values
specified
such
way
distributed
can
naturally
share
proportion
ratings
while
resulting
kept
low
enough
constrain
ripples.
effectiveness
dFSIC
and
its
capability
suppress
multiple
frequencies
simultaneously,
including
ones
beyond
bandwidth,
demonstrated
experiments.
Energies,
Год журнала:
2023,
Номер
16(13), С. 4895 - 4895
Опубликована: Июнь 23, 2023
These
days,
with
the
significant
increase
in
use
of
renewable
energy
sources
as
additional
connected
to
distribution
network,
many
challenges
and
difficulties
arise
ensuring
sustainability
reliability.
The
generation,
transmission
distribution,
current
state
electricity
system,
are
facing
quite
dynamic
changes.
They
result
liberalization
market,
increased
such
photovoltaic
systems,
wind
turbines
charging
stations
for
hybrid
electric
vehicles.
most
important
factors
related
balancing
analysis
voltage
stability,
overcoming
consequences
short-circuit
currents,
increasing
capacities
system
forming
networks,
well
accurate
forecasting
development
loads
consumption
over
coming
years.
This
article
presents
an
stability
a
smart
microgrid
two
different
scenarios.
studied
cases
describe
linear
low-voltage
p-type
it
at
nodes.
Data
on
type
cross-section
conductors
power
line
presented.
Simulation
studies
were
carried
out
determine
limits
grid
when
connecting
plants
set
power.
simulation
results
commented
optimal
operating
mode
is
realized.
model
implemented
NEPLAN
program
environment.
research
allows
evaluation
permissible
network
plants.
Through
this
evaluation,
can
be
determined
how
which
node
should
without
causing
imbalance
network.
useful
from
point
view
reliability
electrical
microgrid.
Energies,
Год журнала:
2023,
Номер
16(17), С. 6158 - 6158
Опубликована: Авг. 24, 2023
With
the
continuous
development
of
global
economic
level,
energy
consumption
is
also
on
rise,
and
power
industry
faced
with
a
number
formidable
challenges
including
load
growth,
low
efficiency,
high
quality,
environmental
protection.
Despite
fact
that
distributed
cannot
be
directly
connected
to
grid,
concept
microgrid
(MG)
proposed
make
better
use
reduce
its
effect
grid.
The
cost
controllability
DC
MGs
have
piqued
interest
academicians
both
at
home
abroad.
If
are
implemented
in
real-world
engineering,
stability
control
strategy
required;
therefore,
research
voltage
coordinated
extremely
important
promising.
This
paper
summarizes
current
MG
from
perspective
MG.
Lastly,
it
future
will
more
focused
intelligence
precision
consistency
algorithm
combined
benefits
centralized
can
effectively
aid
MGs,
taking
into
account
grid’s
dependability
precision.
Energies,
Год журнала:
2023,
Номер
16(18), С. 6417 - 6417
Опубликована: Сен. 5, 2023
Microgrid
technology
offers
a
new
practical
approach
to
harnessing
the
benefits
of
distributed
energy
resources
in
grid-connected
and
island
environments.
There
are
several
significant
advantages
associated
with
this
technology,
including
cost-effectiveness,
reliability,
safety,
improved
efficiency.
However,
adoption
renewable
generation
electric
vehicles
modern
microgrids
has
led
issues
related
stability,
management,
protection.
This
paper
aims
discuss
analyze
latest
techniques
developed
address
these
issues,
an
emphasis
on
microgrid
stability
management
schemes
based
both
traditional
distinct
approaches.
A
comprehensive
analysis
various
schemes,
potential
challenges
is
conducted,
along
identification
research
gaps
suggestions
for
future
development.
provides
overview
current
state
field
proposes
areas
research.
Energies,
Год журнала:
2024,
Номер
17(16), С. 3885 - 3885
Опубликована: Авг. 6, 2024
In
isolated
operation,
DC
microgrids
require
multiple
distributed
energy
storage
units
(DESUs)
to
accommodate
the
variability
of
generation
(DG).
The
traditional
control
strategy
has
problem
uneven
allocation
load
current
when
line
impedance
is
not
matched.
As
state-of-charge
(SOC)
balancing
proceeds,
SOC
difference
gradually
decreases,
leading
a
gradual
decrease
in
rate.
Thus,
an
improved
droop
introduced
this
paper,
which
uses
combination
power
and
exponential
functions
improve
virtual
responsiveness
changes
introduces
adaptive
acceleration
factor
slow
problem.
We
construct
sparse
communication
network
achieve
information
exchange
between
DESU
neighboring
units.
A
global
optimization
controller
employing
consistency
algorithm
designed
mitigate
impact
mismatch
on
allocation.
This
approach
single
restore
bus
voltage,
effectively
reducing
connections
alleviating
burden
system.
Lastly,
simulation
model
microgrid
developed
using
MATLAB/Simulink
R2021b.
results
confirm
that
proposed
achieves
rapid
precise
currents
various
complex
operational
scenarios.
Electronics,
Год журнала:
2024,
Номер
13(21), С. 4327 - 4327
Опубликована: Ноя. 4, 2024
As
the
proportion
of
renewable
energy
in
use
continues
to
increase,
solve
problem
line
impedance
mismatch
leading
difference
state
charge
(SOC)
each
distributed
storage
unit
(DESU)
and
DC
bus
voltage
drop,
a
system
control
strategy
considering
time-varying
is
proposed
this
paper.
By
analyzing
fundamental
frequency
harmonic
components
pulse
width
modulation
(PWM)
signal
carrier
converter
output
current,
we
can
obtain
information
and,
thus,
compensate
for
drop.
Then,
novel,
droop-free
cooperative
controller
constructed
achieve
SOC
equalization,
current
sharing,
regulation.
Finally,
validity
verified
by
hardware-in-the-loop
experimental
platform.
Electronics,
Год журнала:
2023,
Номер
12(16), С. 3487 - 3487
Опубликована: Авг. 17, 2023
Extreme
weather
events
pose
significant
risks
to
power
systems,
necessitating
effective
risk
forewarning
and
management
strategies.
A
few
existing
researches
have
concerned
the
correlation
of
extreme
in
different
regions
system,
traditional
operation
assessment
methods
gradually
cannot
satisfy
real-time
requirements.
This
motivates
us
present
an
intelligent
method
for
systems
considering
multi-region
correlation.
Firstly,
a
novel
model
based
on
vine
copula
is
developed.
Then,
level
classification
system
operations
introduced.
Further,
proposed.
effectively
integrates
system.
By
employing
summation
wavelet
learning
machine,
monitoring
system’s
operational
status
are
achieved.
Simulation
results
show
that
proposed
can
rapidly
identify
potential
provides
timely
information,
helping
enhance
resilience
operations.
