Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: May 31, 2024
The
hybrid
energy
storage
system
of
wind
power
involves
the
deep
coupling
heterogeneous
such
as
electricity
and
heat.
Exergy
a
dual
physical
quantity
that
takes
into
account
both
'quantity'
'quality,
plays
an
important
guiding
role
in
unification
energy.
In
this
paper,
operation
characteristics
are
related
to
quality,
strategy
is
proposed
based
on
exergoeconomics.
First,
mathematical
model
established
Then,
experiments
three
forms
thermal-electric
carried
out,
RSM
used
analyze
quality
exergoeconomic
system,
optimal
working
conditions
experiment
obtained.
Finally,
optimization
by
combining
simulation.
efficiency,
unit
exergy
cost
current
harmonic
distortion
rate
multi-objective
functions.
algorithms
evaluate
solution
standard
deviation.
results
show
exergoeconomics
can
effectively
judge
production-storage-use
new
'
+
storage'.
absorb
internal
loss
battery,
increase
efficiency
10%,
reduce
0.03
yuan/KJ,
8%.
It
provides
guidance
for
improving
reducing
cost.
Journal of Renewable and Sustainable Energy,
Journal Year:
2024,
Volume and Issue:
16(2)
Published: March 1, 2024
The
electricity
grid
with
high-penetration
renewable
energy
sources
has
urged
us
to
seek
means
solve
the
mismatching
between
supply
and
demand.
Energy
storage
technology
could
accomplish
conversion
process
different
periods
achieve
efficient
stable
utilization
of
sources.
In
this
paper,
a
hybrid
system
based
on
compressed
air
reversible
solid
oxidation
fuel
cell
(rSOC)
is
proposed.
During
charging
process,
rSOC
operates
in
electrolysis
(EC)
mode
by
converting
compression
heat
chemical
fuels.
discharging
for
production
gas
turbine
conducted
recover
waste
from
cell.
To
evaluate
comprehensive
performance
proposed
system,
energy,
exergy,
exergoeconomic
studies
are
paper.
Under
design
condition,
results
indicated
that
capable
generating
300.36
kW
106.28
heating;
meantime,
efficiency,
exergy
total
cost
per
unit
product
73.80%,
55.70%,
216.78
$/MWh,
respectively.
parametric
analysis
indicates
increase
pressure
ratio
compressor,
steam
factor
stack
under
EC
current
density
reduce
efficiency
simultaneously,
while
increment
operating
FC
enhances
decreases
product.
multi-objective
optimization
carried
out
improve
expressed
best
optimal
solution
65.85%
187.05
Compared
basic
improvement
led
maximum
enhancement
20.32%
18.60%
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: May 31, 2024
The
hybrid
energy
storage
system
of
wind
power
involves
the
deep
coupling
heterogeneous
such
as
electricity
and
heat.
Exergy
a
dual
physical
quantity
that
takes
into
account
both
'quantity'
'quality,
plays
an
important
guiding
role
in
unification
energy.
In
this
paper,
operation
characteristics
are
related
to
quality,
strategy
is
proposed
based
on
exergoeconomics.
First,
mathematical
model
established
Then,
experiments
three
forms
thermal-electric
carried
out,
RSM
used
analyze
quality
exergoeconomic
system,
optimal
working
conditions
experiment
obtained.
Finally,
optimization
by
combining
simulation.
efficiency,
unit
exergy
cost
current
harmonic
distortion
rate
multi-objective
functions.
algorithms
evaluate
solution
standard
deviation.
results
show
exergoeconomics
can
effectively
judge
production-storage-use
new
'
+
storage'.
absorb
internal
loss
battery,
increase
efficiency
10%,
reduce
0.03
yuan/KJ,
8%.
It
provides
guidance
for
improving
reducing
cost.
