IEEE Access,
Год журнала:
2024,
Номер
12, С. 73620 - 73632
Опубликована: Янв. 1, 2024
In
this
study,
an
operational
8
MW
wind
farm
was
analyzed
through
a
statistical
approach
to
determine
the
speed
and
feeder
trip
correlation
with
energy
loss
production.
December,
higher
potential
recorded;
however,
recorded
during
low
period
of
October,
maximum
duration
1800
min.
The
box
plot
histogram
show
that
occurred
at
4-6
m/s
which
indicates
grid
voltage
load
consumption
were
major
causes
trip.
Pearson
Correlation
method
expressed
similar
trend
for
trips
associated
losses
had
very
strong
positive
compared
time.
To
improve
stability
farm's
power
generation,
1-5
MWh
battery
storage
system
studied
its
impact
on
terminals.
It
found
411071.84
kWh
is
enhanced
5
conventional
farm.
This
enhancement
in
production
shows
factory,
village
1,
farm,
2,
3
range
0.703,
0.873,
0.665,
0.894,
0.896,
respectively.
Further,
economic
analysis
incorporation
increased
annual
revenue
2825585
baht
payback
7.79
years
return
investment
0.10
years.
Results in Engineering,
Год журнала:
2024,
Номер
22, С. 102188 - 102188
Опубликована: Май 3, 2024
The
home
energy
management
(HEM)
sector
is
going
through
an
enormous
change
that
includes
important
elements
like
incorporating
green
power,
enhancing
efficiency
forecasting
and
scheduling
optimization
techniques,
employing
smart
grid
infrastructure,
regulating
the
dynamics
of
optimal
trading.
As
a
result,
ecosystem
players
need
to
clarify
their
roles,
develop
effective
regulatory
structures,
experiment
with
new
business
models.
Peer-to-Peer
(P2P)
trading
seems
be
one
viable
options
in
these
conditions,
where
consumers
can
sell/buy
electricity
to/from
other
users
prior
totally
depending
on
utility.
P2P
enables
exchange
between
prosumers,
thus
provide
more
robust
platform
for
This
strategy
decentralizes
market
than
it
did
previously,
opening
up
possibilities
improving
trade
customers
Considering
above
scenarios,
this
research
provides
extensive
insight
structure,
procedure,
design,
platform,
pricing
mechanism,
approaches,
topologies
possible
futuristic
while
examining
characteristics,
pros
cons
primary
goal
determining
whichever
approach
most
appropriate
given
situation
HEMs.
Moreover,
HEMs
load
framework
simulation
model
also
proposed
analyze
network
critically,
paving
technical
directions
scientific
researchers.
With
cooperation,
age
technological
advancements
ushering
intelligent,
interconnected,
reactive
urban
environment
are
brought
life.
In
sense,
path
living
entails
reinventing
as
well
how
people
interact
perceive
dwellings
larger
city.
Finally,
work
comprehensive
overview
challenges
terms
strategies,
solutions,
future
prospects.
Results in Engineering,
Год журнала:
2023,
Номер
20, С. 101428 - 101428
Опубликована: Сен. 26, 2023
Wastewater
treatment
plants
(WWTPs)
are
energy-intensive
facilities
that
play
a
critical
role
in
meeting
stringent
effluent
quality
regulations.
Accurate
prediction
of
energy
consumption
WWTPs
is
essential
for
cost
savings,
process
optimization,
regulatory
compliance,
and
reducing
carbon
footprint.
This
paper
introduces
an
efficient
approach
predicting
WWTPs,
leveraging
deep
learning
models,
data
augmentation,
feature
selection.
Specifically,
Spline
Cubic
interpolation
enriches
the
dataset,
while
Random
Forest
model
identifies
important
features.
The
study
investigates
impact
lagged
to
capture
temporal
dependencies.
Comparative
analysis
five
models
on
original
augmented
datasets
from
Melbourne
WWTP
demonstrates
substantial
performance
improvement
with
data.
Incorporating
further
enhances
accuracy,
providing
valuable
insights
effective
management.
Notably,
Long
Short-Term
Memory
(LSTM)
Bidirectional
Gated
Recurrent
Unit
(BiGRU)
achieve
Mean
Absolute
Percentage
Error
(MAPE)
values
1.36%
1.436%,
outperforming
state-of-the-art
methods.
Results in Engineering,
Год журнала:
2024,
Номер
21, С. 101891 - 101891
Опубликована: Фев. 8, 2024
The
detection
of
sudden
faults
in
wind
turbine
generator
(WTG)
is
a
complex
task,
especially
bearings.
Usually,
the
evaluation
methodologies
such
as
vibration,
ultrasound,
and
bearing
temperatures
are
widely
used
predictive
maintenance,
an
important
aspect
for
traditional
approach,
fault
detection,
limited
analysis
with
single
variable
or
temperature.
For
instance,
these
sensors
detect
5–20%
torsional
vibration
drivetrain
55%
has
failure
due
to
lubricant
problem,
20%
solid
contamination
9%
incorrect
application
bearing.
Consequently,
solve
this
limitation
failures
modes,
research
evaluated
limits
focused
on
early
generators;
it
utilized
multi-stage
approach
involving
Random
Forest,
XGBoost,
Light
XGB,
Logistic
Regression,
followed
by
probability
scores
optimal
features
search
grid
validation,
addition,
validated
results
through
finite
element
modeling,
Boroscopy,
analysis.
Hence,
database
considers
bearings,
gearboxes,
normal
operation;
regarding
8,711,808
samples
validating
process.
result
study
five
days
before
high
classification
accuracy
99.994%,
recall
99.982%,
F1
score
98.124%,
kappa
99.330%,
test
set
time
22.82
s.
This
new
provides
compared
bearings
gearboxes.
International Journal of Thermofluids,
Год журнала:
2024,
Номер
22, С. 100622 - 100622
Опубликована: Март 5, 2024
This
paper
outlines
the
key
components
necessary
to
develop
a
digital
twin
(DT)
for
wind
turbine,
aiming
provide
detailed
methodology
and
guidelines
building
this
system,
which
facilitates
optimization
during
operation
helps
prevent
system
failures.
It
presents
four
major
systems
required
construct
DT:
physical,
digital,
connection,
service
systems.
study
also
critical
design,
measured,
calculated
parameters
of
are
essential
development
DT.
The
physical
turbine
is
examined,
components,
including
rotor,
blades,
shaft,
generator,
tower,
nacelle,
discussed
in
detail.
explores
DT,
data
storage,
models,
mathematical
modelling.
problems
that
may
occur
were
presented
addition
possible
solutions
must
suggest.
According
project's
needs
requirements,
it
was
found
DT
can
employ
various
connection
such
as
supervisory
control
acquisition,
wireless
sensor
networks,
smart
grids,
Internet
Things,
cloud-based
Results in Engineering,
Год журнала:
2024,
Номер
23, С. 102504 - 102504
Опубликована: Июль 14, 2024
Accurate
wind
power
prediction
is
critical
for
efficient
grid
management
and
the
integration
of
renewable
energy
sources
into
grid.
This
study
presents
an
effective
deep-learning
approach
that
improves
short-term
forecasting
accuracy.
The
method
incorporates
a
Variational
Autoencoder
(VAE)
with
self-attention
mechanism
applied
in
both
encoder
decoder.
empowers
model
to
leverage
VAE's
strengths
time-series
modeling
nonlinear
approximation
while
focusing
on
most
relevant
features
within
data.
effectiveness
this
evaluated
through
comprehensive
comparison
eight
established
deep
learning
methods,
including
Recurrent
Neural
Networks
(RNNs),
Long
Short-Term
Memory
(LSTM)
networks,
Bidirectional
LSTMs
(BiLSTMs),
Convolutional
(ConvLSTMs),
Gated
Units
(GRUs),
Stacked
Autoencoders
(SAEs),
Restricted
Boltzmann
Machines
(RBMs),
vanilla
VAEs.
Real-world
data
from
five
turbines
France
Turkey
used
evaluation.
Five
statistical
metrics
are
employed
quantitatively
assess
performance
each
method.
results
indicate
SA-VAE
consistently
outperformed
other
models,
achieving
highest
average
R2
value
0.992,
demonstrating
its
superior
predictive
capability
compared
existing
techniques.
Energies,
Год журнала:
2025,
Номер
18(2), С. 350 - 350
Опубликована: Янв. 15, 2025
Wind
power
prediction
is
essential
for
ensuring
the
stability
and
efficient
operation
of
modern
systems,
particularly
as
renewable
energy
integration
continues
to
expand.
This
paper
presents
a
comprehensive
review
machine
learning
techniques
applied
wind
prediction,
emphasizing
their
advantages
over
traditional
physical
statistical
models.
Machine
methods,
especially
deep
approaches
such
Convolutional
Neural
Networks
(CNNs),
Long
Short-Term
Memory
(LSTMs),
ensemble
like
XGBoost,
excel
in
addressing
nonlinearity
complexity
data.
The
also
explores
critical
aspects
data
preprocessing,
feature
selection
strategies,
model
optimization
techniques,
which
significantly
enhance
accuracy
robustness.
Challenges
acquisition
difficulties,
complex
terrain
influences,
sensor
quality
issues
are
examined
depth,
with
proposed
solutions
discussed.
Additionally,
highlights
future
research
directions,
including
potential
multi-model
fusion,
emerging
technologies
Transformers,
smart
sensors
IoT
develop
intelligent,
automated,
reliable
systems.
By
existing
challenges
leveraging
advanced
this
work
provides
valuable
insights
into
current
state
offers
strategic
guidance
enhancing
applicability
reliability
models
practical
scenarios.
Results in Engineering,
Год журнала:
2024,
Номер
22, С. 102111 - 102111
Опубликована: Апрель 8, 2024
This
paper
presents
the
application
of
regression
trees
as
a
versatile
alternative
to
other
machine
learning
and
statistical
modelling
techniques
forecast
power
generation
at
five
renewable
plants:
one
large
hydropower
plant,
two
mini
plants,
wind
farms
in
Sri
Lanka.
The
prediction
models
for
each
station
were
developed
by
varying
depth
tree.
tree
model
with
lowest
that
forecasts
output
(power)
terms
all
predictor
variables
was
selected
accuracy
evaluated
means
Mean
Absolute
Error
(MAE),
Percentage
(MAPE),
Root
Squared
(RMSE),
Coefficient
Determination
(R2).
According
degree
above
performance
indicators,
i.e.
very
low
values
MAE,
MAPE,
RMSE
supplemented
R2
0.95
or
more,
method
proved
be
convenient
forecasting
technique
predict
both
hydro
plants.
Further,
it
could
found
good
correlation
between
input
paves
way
smaller
Moreover,
presented
here
accurately
identify
relationship
generated
most
influential
weather
factors,
without
being
affected
potential
outliers
missing
while
managing
collinearity
too.
Extension
this
study
would
enable
generalize
based
on
method,
leading
towards
minimizing
use
fossil
fuel.