Economy of Regions,
Journal Year:
2023,
Volume and Issue:
19(3), P. 844 - 859
Published: Jan. 1, 2023
The
energy
transition
is
a
global
problem
affecting
environmental
and
security,
sustainable
economic
development,
social
well-being.
However,
since
its
implementation
differs
in
certain
regions,
it
necessary
to
develop
specific
approaches
that
consider
local
factors,
external
threats
risks.
article
proposes
conceptual
vision
of
at
the
regional
level
context
crisis,
logistical
changes,
socio-economic,
scientific
technical
transformations.
It
hypothesised
order
implement
transition,
compensation
method
required
ensure
equivalence
environmental,
results.
study
analysed
expert
opinions
published
foreign
Russian
journals
indexed
SCOPUS,
Science
Direct,
MDPI,
WIT
Press
databases,
as
well
analytical
reports
international
agencies
consulting
firms.
analysis
revealed
most
appropriate
form
organisation
electric
power
system
flexible
model
combining
circuits
involving
plants
with
wide
range
generating
capacities.
integrated
decentralised
sources
are
seen
objects.
presented
an
scheme
from
low-cost
demand
management
measures
reconstruction
coal-fired
construction
renewable
facilities.
An
ideal
was
developed
strategic
guideline
implementation.
Possible
scenarios
stages
were
discussed.
findings
can
be
applied
by
government
industry
regulators,
companies,
large
electricity
consumers
when
planning
structural,
organisational
market
transformations
sector
under
uncertainty.
Energies,
Journal Year:
2023,
Volume and Issue:
16(17), P. 6348 - 6348
Published: Sept. 1, 2023
Electrical
power
systems
are
exposed
to
transient
disturbances
that
change
the
voltage
and
current
signals
of
network,
which
can
interrupt
damage
equipment.
In
high-frequency
phenomena,
it
is
essential
study
recovery
(TRV)
ensure
electrical
insulation
limits
circuit
breakers
not
violated,
thus
leading
a
safe
reliable
operation.
Adequate
models
crucial
achieving
satisfactory
results
in
studies,
according
range
frequency
being
evaluated.
This
paper
presents
comprehensive
literature
review
methods
for
studying
electromagnetic
transients,
focusing
on
TRV
requests
imposed
breakers,
addition
fault-clearing
simulations
real
system
modeling.
The
analyses
fundamental
both
evaluation
amplitude
signal
its
rate
rise.
We
also
compare
reviewed
techniques
provide
handy
resource
researchers.
Energies,
Journal Year:
2023,
Volume and Issue:
16(3), P. 1536 - 1536
Published: Feb. 3, 2023
Building
energy
efficiency
has
grown
strong
in
a
context
of
soaring
prices,
especially
Europe.
The
use
energy-saving
devices
strongly
influences
its
improvement,
but
many
cases,
it
is
far
from
sufficient.,
if
the
comes
renewable
sources
with
forced
production.
In
case
buildings,
these
are
usually
photovoltaic
(PV)
sources.
For
this
reason,
management
systems
(EMS)
becoming
increasingly
popular
as
they
allow
increase
self-consumption
and
reduce
size
storage.
This
article
presents
analyses
historical
consumption
profiles
selected
small-
medium-sized
buildings
powered
by
implementation
limitations
type
systems,
depending
on
profile
building,
were
identified
guidelines
presented
to
assess
low-cost
solutions
dedicated
small
considering
actual
conditions
existing
systems.
Statistical
analyzes
conducted
for
demand
15
different
buildings.
consisted
preparation
box
plots
each
hour
working
days
calculation
relative
standard
deviation
(RSD)
index
annual
60
min
periods.
showed
that
RSD
low
values
commercial
(e.g.,
hospital
7%
bank
15%)
very
high
residential
buildings—even
over
100%.
On
basis,
can
be
concluded
about
usefulness
forecasting.
novelty
proposed
method
examine
possibility
using
measurement
data
forecast
based
statistical
analysis,
EMS
system
solutions.
Energies,
Journal Year:
2023,
Volume and Issue:
16(24), P. 7985 - 7985
Published: Dec. 9, 2023
This
study
assessed
hourly
electricity
consumption
profiles
in
railway
signal
boxes
located
Poland.
The
analyses
carried
out
consisted
of
assessing
the
correlation
among
demand
profile,
weather
indicators,
and
calendar
e.g.,
temperature,
cloud
cover,
day
week,
month.
analysis
allowed
us
to
assess
which
indicator
impacts
energy
profile
would
be
useful
when
forecasting
demand.
In
total,
15
were
selected
for
grouped
according
three
characteristic
repeatability
profiles.
On
this
basis,
six
one
that
did
not
fit
into
any
groups
further
analysis.
Four
research
methods
analysis:
Pearson’s
method,
Spearman’s
scatter
plots,
distance
covariance.
possibility
based
on
previously
aggregated
determining
correlations
with
indicators
was
presented.
given
vary
depending
facility.
Analyses
showed
different
dependencies
profile.
ambient
temperature
time
have
greatest
impact
Regarding
results
coefficients
ranged
from
approximately
−0.4
more
than
−0.8.
highest
obtained
comparing
previous
day.
case,
all
analysed
objects
range
0.7
over
0.9.
Aerospace,
Journal Year:
2024,
Volume and Issue:
11(2), P. 158 - 158
Published: Feb. 15, 2024
The
electric
seaplane,
designed
for
take-off
and
landing
directly
on
water,
incorporates
additional
structures
such
as
floats
to
meet
operational
requirements.
Consequently,
during
the
taxiing
phase,
it
encounters
significantly
higher
aerodynamic
hydrodynamic
resistance
than
other
aircraft.
This
increases
energy
demand
seaplane
phase.
A
mathematical
model
consumption
this
stage
was
developed
by
analyzing
resistance,
using
propeller
pitch
angle
an
optimization
variable.
study
proposes
a
coupled
efficiency
method
phase
of
seaplane’s
propulsion
unit
(EPU).
aims
determine
optimal
configuration
aligned
with
design
criteria.
ensures
that
output
thrust
meets
minimal
requirements
while
enhancing
efficiency.
Experimental
validation
two-seater
prototype
RX1E-S
has
demonstrated
selecting
can
effectively
reduce
approximately
10.4%,
thereby
flight
Data in Brief,
Journal Year:
2024,
Volume and Issue:
53, P. 110196 - 110196
Published: Feb. 17, 2024
An
experimental
passive
solar
thermal
transmission
wall
(also
known
as
Trombe
wall)
prototype
was
installed
on
a
factory
building
in
Kalnciems,
Latvia
to
carry
out
temperature
measurements
at
different
representative
locations
order
evaluate
wall's
potential
be
used
secondary
space
heating
source.
The
average
winter
Kalnciems
is
0.7
°C
which
stipulates
the
need
for
(6-7
months
year).
dataset
collection
spanned
from
March
2022
through
July
2023,
enabling
acquire
data
over
meaningful
timeframe,
well
one
full
year
cycle.
Exploring
technology
cold
climate
setting
aimed
examine
its
curtail
energy
consumption.
closely
monitored,
and
showcased
substantial
increase
during
sunlight
hours,
emphasizing
source
industrial
settings.
structure
also
demonstrated
sufficient
internal
gradient
(Δt
between
1.5
5.0
m
level
a.g.)
generated
rather
output,
especially
important
regions
with
moderate
climates.
Enlarging
refining
these
systems
could
significantly
reduce
costs
associated
Recommendations
include
investigating
enhanced
air
circulation
filtration
improved
functionality
user
comfort.
Electricity,
Journal Year:
2023,
Volume and Issue:
4(3), P. 256 - 276
Published: Sept. 5, 2023
Power
system
transformation
can
unleash
wide-ranging
effects
across
multiple,
frequently
interlinked
dimensions
such
as
the
environment,
economy,
resource
systems,
and
biodiversity.
Consequently,
assessing
multidimensional
impacts
of
power
transformation,
especially
under
rapid
transitions,
has
become
increasingly
important.
Nonetheless,
there
is
a
gap
in
literature
when
it
comes
to
applying
an
analysis
Mediterranean
country
facing
structural
socioeconomic
challenges.
This
paper
explores
potential
multifaceted
implications
rapidly
decarbonizing
Greek
sector
by
2035,
focusing
on
local-level
consequences.
The
evaluation
criteria
encompass
cost-optimal
mix,
costs,
land
use,
biomass
utilization,
GDP,
employment.
In
this
effort,
technology-rich
cost
optimization
model
representing
Greece’s
linked
global
Computable
General
Equilibrium
(CGE)
macroeconomic
economy.
results
indicate
that
fast
decarbonization
could
trigger
positive
consequences
short-
medium-term
(GDP:
+1.70,
employees:
+59,000
2030),
although
may
induce
negative
long-term
due
increased
capital
investment
requirements.
Additionally,
impact
use
only
be
trivial,
with
decrease
over
time
de-escalation
generation,
thereby
reducing
risk
harming
Energies,
Journal Year:
2023,
Volume and Issue:
16(12), P. 4808 - 4808
Published: June 20, 2023
To
address
the
negative
impact
of
large-scale
disorderly
grid
connection
EVs
on
stable
operation
power
grid,
a
cooperative
game
control
strategy
for
based
tariff
leverage
is
proposed,
taking
grid-side
and
user-side
economy
as
objective
function,
into
account
EV
load
state
constraint,
distribution
bi-directional
charging
discharging
pile
dynamic
members’
revenue
constraint.
A
model
piles
established,
weight
users
in
increased.
Based
model,
an
optimal
real-time
determined
both
electric
operators
updated
connected
to
at
current
moment,
genetic
algorithm
used
solve
simulation
Receding
Horizon
Control
principle.
The
results
show
that
this
has
smoother
curve
better
peak
valley
reduction
than
fixed
time-of-use
tariff,
it
reduces
operating
cost
operators.
In
addition,
brings
best
economic
benefits
users,
with
overall
increasing
by
up
6.3%
under
tariff.
Economy of Regions,
Journal Year:
2023,
Volume and Issue:
19(3), P. 844 - 859
Published: Jan. 1, 2023
The
energy
transition
is
a
global
problem
affecting
environmental
and
security,
sustainable
economic
development,
social
well-being.
However,
since
its
implementation
differs
in
certain
regions,
it
necessary
to
develop
specific
approaches
that
consider
local
factors,
external
threats
risks.
article
proposes
conceptual
vision
of
at
the
regional
level
context
crisis,
logistical
changes,
socio-economic,
scientific
technical
transformations.
It
hypothesised
order
implement
transition,
compensation
method
required
ensure
equivalence
environmental,
results.
study
analysed
expert
opinions
published
foreign
Russian
journals
indexed
SCOPUS,
Science
Direct,
MDPI,
WIT
Press
databases,
as
well
analytical
reports
international
agencies
consulting
firms.
analysis
revealed
most
appropriate
form
organisation
electric
power
system
flexible
model
combining
circuits
involving
plants
with
wide
range
generating
capacities.
integrated
decentralised
sources
are
seen
objects.
presented
an
scheme
from
low-cost
demand
management
measures
reconstruction
coal-fired
construction
renewable
facilities.
An
ideal
was
developed
strategic
guideline
implementation.
Possible
scenarios
stages
were
discussed.
findings
can
be
applied
by
government
industry
regulators,
companies,
large
electricity
consumers
when
planning
structural,
organisational
market
transformations
sector
under
uncertainty.
