Abstract
We
compare
the
performance
of
photovoltaic
(PV),
flat-plate
and
evacuated-tube
solar-thermal
(ST),
hybrid
photovoltaic-thermal
(PV-T)
collectors
to
meet
energy
demands
multi-effect
distillation
(MED)
desalination
plants
across
four
locations.
consider
three
scales:
1700
m
3
day
−1
,
120
.
find
a
strong
dependence
capacity
configuration
solar
on
both
cost
sourcing
electricity
from
grid
specific
collector
employed.
costs
as
low
7.8,
3.4
3.7
USDm
−3
for
plant
capacities.
that
solar-driven
systems
optimised
lowest
result
in
CO
2
eq
emissions
equal
to,
or
higher
than,
those
grid-driven
reverse
osmosis
(RO)
line
with
PV-RO.
This
highlights
need
environmental
footprint
these
ensure
is
United
Nations’
Sustainable
Development
Goal
6.
Energies,
Год журнала:
2024,
Номер
17(3), С. 556 - 556
Опубликована: Янв. 23, 2024
Combined
concentrated
solar
power
with
photovoltaics
can
provide
electricity
and
heat
at
the
same
system
while
maximizing
output
reduced
losses.
Spectral
splitting
is
required
in
such
systems
to
separate
infrared
part
of
spectrum
towards
thermal
system,
visible
near-infrared
radiation
be
converted
by
photovoltaic
cell.
The
performance
plants
comprising
reflective
beam
splitters
for
combined
generation
presented
this
work.
A
50
MW
plant
considered
work
as
a
case
study
Southern
Crete,
Greece.
consists
parabolic
trough
collectors
utilizes
varying
reflectivity.
dynamic
modeled,
annual
energy
yield
calculated.
Up
350
MWt
delivered
utilizing
50%
reflecting
splitter.
penalty
high-reflectivity
limited
16.9%
calculated
53.32
GWh.
During
summer
months,
higher
up
84.8
MWh/month
produced
80%
reflectivity
compared
90%
result
number
troughs.
reported
yields
modeling
highlight
discrete
points
improvement
photovoltaics.
Energies,
Год журнала:
2025,
Номер
18(8), С. 2044 - 2044
Опубликована: Апрель 16, 2025
The
exploitation
of
bifacial
solar
cells
in
photovoltaics
aims
to
provide
cost-effective
solutions
maximize
power
collection
on
specific
surfaces.
A
prerequisite
for
this
is
the
effective
backscattered
diffuse
light
from
albedo,
which
self-shading
an
obstacle.
We
discuss
benefits
bifaciality
asymmetric
low-concentrating
and
spectral-splitting
photovoltaic
optics
system
that
features
a
wedged
right-prism
geometry
address
self-shading.
performance
conceptual
design
analyzed,
using
commercial
ray-tracing
software,
four
different
latitudes
installation,
by
assuming
standard
AM1.5G
spectrum
as
input.
daily
Relative
Optical
Power
Increase
(ROPI)
evaluated
with
respect
flat
configurations,
reaching
ROPI
=
293%
at
latitude
25°
north
winter
solstice.
photocurrent
total
Conversion
Efficiency
(PCE)
four-terminal
(4T)
configuration
are
estimated,
operation
Si
HJT
cell
single-junction
GaAs
cell.
global
increase
PCE
up
23%
obtained
best-performing
trackless
configuration.
From
perspective,
use
high-performance,
high-bandgap
4T
configurations
might
further
leverage
advantages
proposed
here.
