Civil Engineering Reference
In-Depth Information
Table 1 Characteristics comparison of different heat extraction methods (Zhang et al.
2012
)
PV/T models
Efficiency (%)
Advantage
Disadvantages
'IS' model for air-based PV/T type
(Solanki et al.
2009
)
24-47
-low cost
-low thermal mass
-simple structure
-large air volume
-poor thermal effectiveness
-high heat loss
'IPVTS' model for water-based PV/T
type (Huang et al.
2001
)
33-59
-low cost
-still-high PV temperature
-direct contribution
-unstable heat effectiveness
-high thermal mass
-complex structure
-low flow volume
-possible piping freezing
'PV-SAHP' model for refrigerant-based
PV/T type (Ji et al.
2008
)
56-74
-low PV temperature
-risk of leakage
-stable performance
-uneven liquid distribution
-high efficiency
-high cost
-effective heat removal
-difficult to operate
'PV/FPHP' model for heat pipe-based
PV/T type (Zhao et al.
2010
)
42-68
-low PV temperature
-high cost
-stable performance
-risk of damage
-high solar efficiency
-complex structure
-effective heat removal
-reduce power input
