Environmental Engineering Reference
In-Depth Information
Power Curve of a Solar Panel under Different Illuminations
500
PV Simulated (380 lux)
PV Measured (380 lux)
PV Simulated (425 lux)
PV Measured (425 lux)
PV Simulated (480 lux)
PV Measured (480 lux)
PV Simulated (640 lux)
PV Measured (640 lux)
PV Simulated (1010 lux)
PV Measured (1010 lux)
400
300
200
100
0
0
0.5
1
1.5
2
Voltage (V)
2.5
3
3.5
4
4.5
FIGURE 5.17
P-V curves of a solar panel at different lux conditions.
the power curves of the solar panel in relationship with the output voltage
(P-V) and the load resistance (P-R) under a range of loads from short circuit
to open circuit were generated at five different lighting conditions ranging
from 380 to 1010 lux.
Taking into consideration the parameters extracted for the solar panel, the
model of the solar panel expressed by Equation 5.3 has been simulated, and
the simulation results are recorded in Figure 5.17 . The simulated P-V curves
Electrical Power (µW) vs. Load Resistance (kΩ)
500
Maximum Power
Points (MPPs)
380 lux
425 lux
480 lux
680 lux
1010 lux
400
300
200
100
0 0
50
27 - 68 kΩ
100
150
200
Load Resistance (kΩ)
FIGURE 5.18
P-R curves of a solar panel at different lux conditions.
 
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