Environmental Engineering Research,
Год журнала:
2024,
Номер
30(3), С. 240340 - 0
Опубликована: Сен. 27, 2024
Energy
poverty
is
a
significant
barrier
to
development
for
millions
of
people
globally
in
remote
areas;
developing
nations
like
India
still
use
conventional
fuels
meet
their
energy
needs.
Microgrids
can
be
feasible
solution
electrification
by
integrating
distributed
resources.
The
present
work
investigates
the
feasibility,
planning,
and
optimal
sizing
standalone
microgrid
system
from
socio-techno-economic
environmental
perspective
area
an
Indian
scenario.
For
feasibility
analysis,
village,
Dayarthi,
Andhra
Pradesh,
India,
was
investigated
considering
daily
load
profile,
which
includes
domestic
loads,
community
agriculture
loads.
total
demand
333.53
kWh/day,
with
peak
45.75
kW.
Four
potential
configurations
are
investigated,
various
combinations
diesel
generator,
wind
turbine,
photovoltaic,
battery
storage.
A
sociotechnical-economic-environmental
analysis
identifies
best
configuration
looking
at
different
scenarios
that
possible
suggesting
one
highest
percentage
renewable
lowest
net
cost
levelized
minimum
unmet
Furthermore,
scenario
compared
most
recent
study
literature.
Applied Sciences,
Год журнала:
2024,
Номер
14(13), С. 5575 - 5575
Опубликована: Июнь 26, 2024
This
article
aims
to
analyze
the
energy
efficiency
of
combining
heat
pumps
with
photovoltaic
(PV)
panels
in
energy-efficient
homes.
The
research
methodology
involved
a
detailed
balance
analysis,
assessment
impact
mechanical
ventilation,
location,
loss,
and
choice
operation
sources,
particular
focus
on
synergy
PV
installations.
results
demonstrate
that
integrating
can
significantly
reduce
demand
for
external
sources
lower
operating
costs
buildings,
while
contributing
their
self-sufficiency.
study
highlights
such
combination
technologies
is
key
promoting
sustainable
development
achieving
goals
residential
sector.
this
analysis
expand
knowledge
about
effectiveness
systems
provide
practical
recommendations
designers
engineers
interested
implementing
renewable
modern
taking
into
account
these
solutions
reducing
CO2
emissions
as
well.
Water,
Год журнала:
2025,
Номер
17(9), С. 1267 - 1267
Опубликована: Апрель 24, 2025
This
study
explores
the
challenge
of
achieving
water
and
energy
self-sufficiency
in
isolated
regions
through
design
a
hybrid
renewable
system
(HRES)
for
Skyros,
Greek
island
not
connected
to
mainland
grid.
The
proposed
integrates
wind
turbines,
photovoltaics,
pumped
hydro,
hydrogen
storage
ensure
stable
supply,
particularly
during
peak
summer
demand.
Using
advanced
R
simulations,
three
scenarios
were
analyzed
on
30
min
basis.
A
combined
meets
99.99%
demand
83%
electricity
needs.
hydro-only
covers
74%
hydrogen-only
supplies
but
just
67%
findings
indicate
annual
CO2
emission
reductions
exceeding
9600
tons.
Economic
analysis
confirms
system’s
feasibility,
with
projected
10-year
payback
period.
cost
desalinated
is
estimated
at
EUR
1/m3,
while
costs
range
from
0.083/kWh
hydro
0.093/kWh
0.101/kWh
system.
Overall,
results
highlight
potential
enhance
flexibility
complement
offering
sustainable
solutions
addressing
both
environmental
economic
challenges.
Electronics,
Год журнала:
2024,
Номер
13(19), С. 3788 - 3788
Опубликована: Сен. 24, 2024
In
this
paper,
a
complete
analysis
of
an
LLC
resonant
converter
with
customized
rectifier
structure
is
presented.
The
intended
for
wide,
low-input,
high-output
voltage
DC
bus
applications.
performance
the
assessed
using
comprehensive
time-domain
and
fundamental
harmonic
approximation
(FHA),
which
demonstrates
its
capacity
to
operate
across
ample
range
voltages
by
precisely
adjusting
structure.
converter’s
capability
illustrated
deriving
discussing
detailed
mode
operation,
steady-state
analysis,
gain
equations.
order
verify
theoretical
prototype
power
output
250
watts
constructed
subjected
testing.
results
testing
demonstrate
that
both
feasible
effective.
experimental
findings
illustrate
manage
vast
ranges
while
upholding
high
efficiency.
addition,
utilizes
frequency
switching
modulation
(FSM)
connect
photovoltaic
(PV)
panel
control
voltage.
This
adaptability
in
renewable
energy
validation
accordance
predictions,
demonstrating
high-efficiency
versatility.
