Sustainability,
Год журнала:
2024,
Номер
16(15), С. 6566 - 6566
Опубликована: Июль 31, 2024
In
the
current
context
of
energy
transition,
Integrated
Solar
Combined
Cycle
(ISCC)
power
plants
are
an
alternative
that
able
to
reduce
carbon
emissions
from
combined
cycle
(CC)
plants.
addition,
coupling
storage
system
based
on
molten
salts
benefits
hybridization,
allowing
surplus
be
stored
cover
peaks
in
demand.
Because
it
is
a
recent
technology,
determination
optimal
injection
points
for
solar-generated
steam
into
critical
issue.
this
work,
thermodynamic
model
hybrid
natural
gas
and
solar
thermal
CC
plant
has
been
developed
using
Thermoflex
analyze
integration
effects
terms
efficiency
power.
For
all
candidate
positions,
‘power
boosting’
‘fuel
saving’
operation
modes
have
simulated,
considering
conditions
compatible
with
useful
range
salts.
The
results
show
at
high-pressure
line
before
turbine
increases
cycle’s
gross
respect
reference
case,
estimating
reduction
6696
kg/h
mode
increase
14.4
MW
mode.
Hence,
adapting
cycles
hybridization
viable
solution
transition
period
towards
more
sustainable
sources.
Solar
energy's
pivotal
role
in
the
transition
towards
a
more
sustainable
energy
system
is
hindered
by
intermittency,
impacting
grid
reliability
and
necessitating
storage
advancements.
To
support
solar
technologies'
large
penetration,
this
work
explores
integration
of
electric
vehicles
(EVs)
with
hybrid
concentrated
photovoltaic
systems,
forging
symbiotic
link
between
generation
transportation.
Indeed,
bi-directional
EV
capabilities
via
vehicle-to-grid
technology
can
enrich
assets,
stabilising
during
outages
curbing
peak
demand.
Therefore,
paper,
an
advanced
dynamic
model
developed
MathWorks
Simulink
to
investigate
performance
tri-generative
consisting
power
plant
complemented
20
kWe
five
EVs,
supplying
10
apartments
Italian
location.
The
analysis
results
show
that
hybridisation
extend
thermal
coverage
4.15%
through
heightened
organic
Rankine
cycle
unit
operation,
underscoring
its
prowess
renewable
optimisation
within
small
communities.
Moreover,
lessened
reliance,
up
-90%
summer,
achieved
owing
battery
capacity
EVs.
fleet
effectively
absorbs
over
29%
annual
electrical
overproduction
9.5%
user
demands,
ultimately
disclosing
potential
mitigating
curtailment
benefit
self-consumption.
In
addition,
average
daily
distance
EVs
has
remarkable
effect
on
exchange
thus
resulting
relevant
parameter
for
assessment
overall
self-consumption
curtailment.
This
work
proposes
an
original
methodology
for
designing
and
selecting
operational
scenarios
a
Concentrating
Solar
Tower
(CST)
plant
that
provides
electricity
to
Renewable
Energy
Community
(REC)
in
Southern
Italy.
The
CST
system
incorporates
closed-cycle
unfired
micro
gas
turbine
thermal
energy
storage.
study
considered
real
electric
datasets
residential
district
end-users
prices
within
the
Italian
regulatory
framework.
Dynamic
operation
of
power
was
simulated,
Levelized
Cost
Electricity
(LCOE)
evaluated
across
fifty-six
different
layouts
identify
optimal
configuration
with
lowest
value.
Fifteen
dispatch
scenarios,
including
mix
Demand
Following,
Ancillary
Services
(tertiary
reserve
regulation),
simple
Sales,
were
investigated.
best
arrangement
identified
as
multi-tower
system,
wherein
number
single-unit
CSTs
set
meet
nameplate
required
by
REC.
optimum
layout
consisted
three
plants,
total
peak
1.05
MWe
storage
capacity
26
MWhth,
exhibited
LCOE
12.42
c€
kWh-1.
most
suitable
scenario
such
involved
providing
during
evening,
which
would
yield
approximately
430
k€
net
profit.
Energy,
Год журнала:
2024,
Номер
306, С. 132040 - 132040
Опубликована: Июнь 15, 2024
Linear
Fresnel
Reflector
(LFR)
is
a
promising
Concentrating
Solar
Thermal
Power
(CSP)
technology
due
to
its
simplicity
and
cost-effectiveness.
This
paper
presents
novel
approach
optimizing
the
Levelised
Cost
of
Electricity
(LCOE)
for
site-specific
LFR
systems.
The
considers
both
transverse
longitudinal
directions
annual
solar
angular
variations,
integrates
ray
tracing
thermal
model
with
genetic
algorithm
simulate
optimize
an
design
using
measured
radiation
data.
For
standard
evacuated
tube
70mm
diameter,
optimal
variables
were
determined
be
within
ranges
8.9-9.2m
receiver
height,
18-22
number
mirrors,
0.63-0.81m
mirror
width
0.10-0.13m
spacing.
LCOE
loss
resulting
from
installing
system
optimized
one
location
onto
another
specific
only
0.4%.
These
results
show
that
remain
relatively
consistent
across
different
locations,
allowing
efficient
use
in
multiple
locations.
sensitivity
analysis
reveals
predominantly
affected
by
height
possibility
employing
low
spacing
situations
where
land
scarce
or
expensive.
With
6
hours
energy
storage,
savings
up
20%
are
identified
recent
commercial
installations
through
optimization.
Overall,
study
demonstrates
there
still
substantial
improvements
can
made
reduce
cost
electricity
system.
Sustainability,
Год журнала:
2024,
Номер
16(15), С. 6566 - 6566
Опубликована: Июль 31, 2024
In
the
current
context
of
energy
transition,
Integrated
Solar
Combined
Cycle
(ISCC)
power
plants
are
an
alternative
that
able
to
reduce
carbon
emissions
from
combined
cycle
(CC)
plants.
addition,
coupling
storage
system
based
on
molten
salts
benefits
hybridization,
allowing
surplus
be
stored
cover
peaks
in
demand.
Because
it
is
a
recent
technology,
determination
optimal
injection
points
for
solar-generated
steam
into
critical
issue.
this
work,
thermodynamic
model
hybrid
natural
gas
and
solar
thermal
CC
plant
has
been
developed
using
Thermoflex
analyze
integration
effects
terms
efficiency
power.
For
all
candidate
positions,
‘power
boosting’
‘fuel
saving’
operation
modes
have
simulated,
considering
conditions
compatible
with
useful
range
salts.
The
results
show
at
high-pressure
line
before
turbine
increases
cycle’s
gross
respect
reference
case,
estimating
reduction
6696
kg/h
mode
increase
14.4
MW
mode.
Hence,
adapting
cycles
hybridization
viable
solution
transition
period
towards
more
sustainable
sources.
