Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu,
Journal Year:
2024,
Volume and Issue:
6, P. 59 - 65
Published: Dec. 30, 2024
Purpose.
To
develop
a
methodology
and
determine
rational
parameters
of
wind
energy
installations
with
doubly
fed
induction
generator
to
ensure
maximum
efficiency,
taking
into
account
changes
in
flow
speed
power
regulation
maintain
stable
efficient
operation
the
installation.
Methodology.
This
study
used
combination
theoretical
analysis
mathematical
modeling.
Analytical
models
for
estimating
turbine
were
developed
through
regression
analysis,
incorporating
key
such
as
speed,
blade
pitch
angle,
generator’s
synchronous
rotation
speed.
Findings.
Parameters
conditions
ensuring
established
analyzed.
It
was
determined
that
efficiency
installation
depends
on
nature
flow.
Active
allows
an
increase
or
stabilization
output
The
dependencies
allowed
determining
optimal
power.
Mathematical
modeling
confirmed
conclusion
regarding
electricity
generation
selection
specified
turbine.
Originality.
influence
realizing
mode
well
possibilities
using
range
limit
excessive
mechanical
loads
during
gusts
determined.
enhances
understanding
how
torque
affects
stability
operations,
emphasizing
need
its
control
maximize
under
various
load
levels.
Practical
value.
between
their
impact
operational
allow
more
precise
tuning
turbines
achieve
productivity
gusts.
is
crucial
design
phases.
regulating
rotor
can
help
reduce
costs
by
over
wide
data
obtained
may
also
facilitate
development
systems
automatically
adapt
changing
conditions.
will
contribute
increased
use
reduced
grid.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Feb. 11, 2025
The
increasing
complexity
of
hydropower
systems
necessitates
advanced
control
strategies
to
optimize
performance
and
enhance
system
reliability.
This
paper
presents
a
novel
approach
that
integrates
Type-2
Fuzzy
Logic
Controllers
(T2FLC),
Digital
Twin
technology,
Neural
Networks
for
comprehensive
management
systems.
proposed
hybrid
aims
improve
load
management,
fault
detection,
operational
efficiency.
Our
method
employs
Controller
handle
uncertainty
imprecision
in
control.
creates
dynamic
simulation
model
the
system,
allowing
real-time
monitoring
predictive
analysis.
further
this
by
providing
insights
based
on
historical
data.
Specifically,
achieved
10.96%
increase
efficiency
12.64%
reduction
detection
time
compared
traditional
methods.
contributed
18.21%
improvement
accuracy,
while
enhanced
decisions,
resulting
8.05%
deviations.
Furthermore,
showed
11.48%
overall
reliability
13.04%
maintenance
costs,
illustrating
practical
benefits
integrating
technologies.
These
results
underscore
effectiveness
combining
T2FLC,
Twin,
Networks,
offering
substantial
advancement
management.
not
only
enhances
but
also
provides
robust
framework
future
advancements
intelligent
strategies.
Journal of Vibration and Control,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 22, 2024
In
the
realm
of
large-scale
systems,
complexity
controller
design
has
long
been
exacerbated
by
proliferation
decision
variables
and
inherent
conservatism.
This
study
introduces
a
novel
approach
to
address
these
challenges,
presenting
new
distributed
robust
methodology
tailored
for
systems
grappling
with
disturbances,
uncertainties,
actuator
saturations.
The
primary
objectives
include
reducing
conservatism,
minimizing
variables,
significantly
curtailing
computation
time.
To
surmount
hurdles,
research
leverages
descriptive
reciprocally
convex
methods,
formulating
procedure
using
linear
matrix
inequalities.
enables
adjustment
uncertain
parameters
disturbance
rejection,
thereby
ensuring
stability
in
systems.
Additionally,
feedback
control
law
is
proposed
accommodate
saturation
constraints
ensure
closed-loop
system’s
stability.
Notably,
effectiveness
scheme
demonstrated
through
evaluation
full-car
active
suspension
system,
which
partitioned
into
interconnected
subsystems
system.
Comparative
analyses
underscore
superior
performance
technical
advancements
offered
over
existing
approaches.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 30, 2025
Microgrid
systems
have
evolved
based
on
renewable
energies
including
wind,
solar,
and
hydrogen
to
make
the
satisfaction
of
loads
far
from
main
grid
more
flexible
controllable
using
both
island-
grid-connected
modes.
Albeit
microgrids
can
gain
beneficial
results
in
cost
energy
schedules
once
operating
mode,
such
are
vulnerable
malicious
attacks
viewpoint
cybersecurity.
With
this
mind,
paper
explores
a
novel
advanced
attack
model
named
false
transferred
data
injection
(FTDI)
aiming
manipulatively
alter
power
flowing
microgrid
upstream
raise
voltage
usability
probability.
One
crucial
piece
information
that
uses
change
system
cause
greatest
amount
damage
while
concealing
attacker's
view
is
stability
index.
Saying
transaction
between
within
broad
scope
bilateral
exchange
at
any
given
moment
noteworthy.
Put
otherwise,
with
respect
FTDI
assault,
microgrid's
direction
just
as
significant
detection
value.
Therefore,
running
detector
needs
concurrently
detect
changes
value
power.
To
overcome
problem,
presents
learning
generative
network
model,
adversarial
(GAN)
paradigm,
recognize
probability
values
maliciously
aimed.
end,
studied
wind
turbine,
photovoltaic,
storage,
tidal
fuel
cell
units
performed
tested
24-bus
IEEE
satisfy
local
load
demands.
Comparative
analysis
indicates
notable
gains,
scores
0.95%,
0.92%,
0.7%,
10%
for
Hit
rate,
C.R.
F.A.
Miss
rate
order
evaluate
GAN-based
microgrid.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Feb. 18, 2025
Electronic
power
converters
play
an
essential
role
in
grids,
aiming
to
improve
the
electrical
energy
quality
and
also
enabling
bidirectional
transfer
between
DC
lines
circuits.
They
facilitate
achievement
of
a
sinusoidal
current
waveform
effective
control
with
high
factor.
This
paper
introduces
stationary
reference
frame
based
strategy
for
grid-connected
three
phase
modular
multilevel
(MMC).
employs
conventional
PI
controllers
track
instantaneous
components
that
include
intentional
oscillations
at
double
grid
frequency.
By
employing
this
method,
MMC
converter
can
maintain
output
even
under
unbalanced
voltage
conditions.
Also,
there
is
no
need
transformation
from
synchronous
frame,
eliminating
requirement
PLL
estimate
angle.
Furthermore,
use
over
common
two-level
three-level
VSC
proposed
since
offer
merits
such
as
low
harmonic
components,
filters
terminals,
AC
side,
losses,
despite
some
drawbacks
large
number
IGBT
switches
or
higher
amount
stored
sub-module
capacitors.
Therefore,
THD
consequently
active
reactive
powers
have
been
impressively
mitigated
by
using
MMC.
To
confirm
capability
effectiveness
various
simulations
are
performed
MATLAB/Simulink
software.
Finally,
results
compared
methods.