Energies,
Год журнала:
2023,
Номер
17(1), С. 27 - 27
Опубликована: Дек. 20, 2023
During
the
operation
of
solar
and
wind
power
plants,
it
is
necessary
to
solve
issues
related
guaranteed
capacity
these
as
well
frequency
stabilisation
in
system
where
they
operate,
maintain
an
operating
mode
self-sufficiency
conditions.
One
solutions
problems
use
energy
storage
systems.
This
article
proposes
a
mathematical
model
for
study
regulation
processes
systems
with
distributed
generation,
which
includes
renewable
resources
The
novelty
lies
possibility
determining
cost
indicators
based
on
instantaneous
data.
allows
us
estimate
conditions
under
generation
becomes
self-sufficient.
results
calculations
two
variants
operation,
generators
1500
MW,
demonstrate
ability
proposed
accurately
reproduce
dynamics
process.
calculation
energy-economic
real
combined
powerful
subsystem
battery-type
prove
competitiveness
self-sufficient
plants.
IET Renewable Power Generation,
Год журнала:
2024,
Номер
18(14), С. 2785 - 2818
Опубликована: Июль 19, 2024
Abstract
Microgrids
(MGs)
have
emerged
as
a
promising
solution
for
providing
reliable
and
sustainable
electricity,
particularly
in
underserved
communities
remote
areas.
Integrating
diverse
renewable
energy
sources
into
the
grid
has
further
emphasized
need
effective
management
sophisticated
control
strategies.
This
review
explores
crucial
role
of
strategies
optimizing
MG
operations
ensuring
efficient
utilization
distributed
resources,
storage
systems,
networks,
loads.
To
maximize
source
overall
system
performance,
various
are
implemented,
including
demand
response,
management,
data
generation‐load
management.
Employing
artificial
intelligence
(AI)
optimization
techniques
enhances
these
strategies,
leading
to
improved
performance
MGs.
The
delves
their
architectures,
highlights
significant
contributions
AI
emerging
technologies
advancing
Results in Engineering,
Год журнала:
2023,
Номер
20, С. 101590 - 101590
Опубликована: Ноя. 20, 2023
A
new
deep
representation-based
Maximum
Power
Point
Tracking
(MPPT)
controller
is
proposed
in
this
paper
for
accurate
Control
references
calculation
Photovoltaic
(PV)
based
Micro
Grid
(MG)
operation.
The
representation
obtained
by
two-step
estimation:
Data
dimension
reduction
and
MPPT
Tracker
towards
optimal
computation.
considered
learning
architecture
targeted
N
number
(large
scale)
of
PV-based
DGs,
connected
locally
the
distribution
system
(DC
link
extended
to
AC
utility).
collected
data
solar
irradiation
(in
W/m2)
PV
panel
temperature
oC)
profiles
local
DGs
are
subjected
dimensions
using
Extreme
Learning
Machine
(ELM)
on
Moore-Penrose
inverse
technique.
compressed
represented
PV-DG
further
communicated
Tertiary
side
Tracker,
where
Ridge
Regression-based
ELM
presented
estimating
(PMPP)
Voltage
(VMPP)
values
kth
instant.
initial
randomness
present
Deep
Representation
Regression
(DR-RRELM)
minimized
adopting
Huber's
characteristic
distribution-based
likelihood
estimator.
scheme
effectively
implemented
control
reference
DC-DC
DC-AC
converters
MG.
also
suitable
stability
improvement
at
point
common
coupling
(PCC).
Three
different
case
studies
such
as
past
verification,
analysis
under
various
operating
conditions,
irradiant
change
source
power
variation.
efficacy
evidenced
MATLAB-based
simulation.
technique
provides
better
tracking
ability,
faster
effective
generation.
study
with
validated
TMS320C6713
(32-bit)
Hardware-in-Loop
(HIL)
validation.
Results in Engineering,
Год журнала:
2023,
Номер
21, С. 101670 - 101670
Опубликована: Дек. 12, 2023
Angle
measurement
is
widely
used
in
the
servo
positioning
and
speed
control
of
electrical
drives,
where
optical
encoders
are
employed
as
sensors
coupled
to
microcontrollers
with
complex
peripherals
provide
effective
position
methods.
These
methods
can
achieve
high
precision
fast
response,
but
not
particularly
efficient
computer
resources
require
computational
costs.
Therefore,
timers,
encoder
signal
oversampling,
a
post-processing
algorithm
together
recent
research
work
high-precision
estimation
method.
Our
will
prove
that
outputs
share
oversampling
noise
shaping
properties
typical
sigma-delta
modulated
signals
if
they
sampled
regularly.
Based
on
this,
new
simple
accurate
method
proposed.
Here,
synchronously
sampled,
differenced,
low-pass
filtered.
As
result,
circuit
its
interface
unit
greatly
simplified,
while
accuracy
be
achieved.
A
detailed
mathematical
analysis
proposed
technique
also
performed,
results
obtained
validated
by
means
simulation
environment
using
Matlab&Simulink.
