Technoeconomic assessment of a PVT-based solar combined cooling heating and power (S-CCHP) system for the university campus of Bari
File(s)
Accepted version
Supporting information
Author(s)
Herrando, María
Pantaleo, Antonio Marco
Wang, Kai
Markides, Christos
Type
Conference Paper
Abstract
In this
work
we
analyse the
year
-
round
technoeconomic
performance
of a solar combined
cooling, heating and power (S
-
CCHP)
system that features polymeric flat
-
box PVT collector
s
coupled via a thermal store to an
absorption
chiller
. The
hourly space heating (SH), cooling and
electricity
demands of the University Campus of Bari a
re used as inputs to
a
model
developed in
TRNSYS
.
Current electricity and gas prices are considered
in o
rder
to estimate the annual cost
savings which, together with the system’s investment cost, allow an estimation of
its
payback
time (
PBT
). The results are then compared to a PV
system
that match
es
the electricity demand of
the Campus (including the electri
city required to run the current HVAC system for air
-
conditioning)
.
The results show that the main limiting factor
for the
implementation
of the S
-
CCHP system
is the roof
-
space availability in
this application. A
system
with an
installed power
of 1.
68
MW
p
can
cover
14% of
the
SH, 6
6
% of
the cooling and 17% of
the
electrical
demands of
the Campus. The system’s
PBT
is estimated at 19
.3
years, which is 3 times higher than the
PBT
of a PV
system
of the same installed power
, nevertheless,
t
he proposed S
-
CCHP
sys
tem
has the
potential to displace 1,
17
0
tons CO
2
/year,
or
50%
more
than the
equivalent
PV
solution.
work
we
analyse the
year
-
round
technoeconomic
performance
of a solar combined
cooling, heating and power (S
-
CCHP)
system that features polymeric flat
-
box PVT collector
s
coupled via a thermal store to an
absorption
chiller
. The
hourly space heating (SH), cooling and
electricity
demands of the University Campus of Bari a
re used as inputs to
a
model
developed in
TRNSYS
.
Current electricity and gas prices are considered
in o
rder
to estimate the annual cost
savings which, together with the system’s investment cost, allow an estimation of
its
payback
time (
PBT
). The results are then compared to a PV
system
that match
es
the electricity demand of
the Campus (including the electri
city required to run the current HVAC system for air
-
conditioning)
.
The results show that the main limiting factor
for the
implementation
of the S
-
CCHP system
is the roof
-
space availability in
this application. A
system
with an
installed power
of 1.
68
MW
p
can
cover
14% of
the
SH, 6
6
% of
the cooling and 17% of
the
electrical
demands of
the Campus. The system’s
PBT
is estimated at 19
.3
years, which is 3 times higher than the
PBT
of a PV
system
of the same installed power
, nevertheless,
t
he proposed S
-
CCHP
sys
tem
has the
potential to displace 1,
17
0
tons CO
2
/year,
or
50%
more
than the
equivalent
PV
solution.
Date Acceptance
2018-06-24
Publisher
SEDWES
Copyright Statement
Copyright the authors
Sponsor
Engineering & Physical Science Research Council (EPSRC)
Grant Number
EP/M025012/1
Source
13th Conference on Sustainable Development of Energy, Water and Environment Systems - SDEWES Conference
Publication Status
Accepted
Start Date
2018-09-30
Finish Date
2018-10-04
Coverage Spatial
Palermo, Italy