1. Proposed system for Solar PV Array I-V measurement at Centennial College, version 10
50. Outdoor Enclosure
31. DAQ & Sensor
Power Supply
1. Solar PV Array
12 panels
320W each
20. RTD’s
Module Temperature
(4 per PV module)
21. RTD’s
Roof Temperature
(3)
43. Remote
Computer
32. DAQ Relay D/O
Power Supply
51.Outdoor Enclosure/Rack
(Thermostatically
controlled)
41. UPS
Ethernet
42. Ethernet
22. Anemometer
 Wind speed (m/s)
 Wind direction (deg)
23. Pyranometer/AMPBOX
 Irradiance up (W/m2
)
 Irradiance down (W/m2
)
24. Thermometer &
Hygrometer
 Ambient temperature (°C)
 Relative Humidity (%)
25. Barometer
 Barometric Pressure (kPa)
26. Rain + Snow rate sensor
 Accumulated rainfall (mm/
hr)
27. Reference Cell
 RTD
 Isc
30. Compact Field
Point DAQ
Ethernet Port
1 x Analog Current
Input Module
2 x Digital Output
Module
1 x Counter Input
Module
1 x Analog Voltage
Input Module
7 x RTD Input Modules
43. Relay
Driver
60. Earth
Ground
11. AC Load
13. DC
Electronic Load
14. Power
Supply
40. Local LabVIEW
Computer
USB
Ethernet
52. Battery
Bank
Enclosure
(vented &
drained)
33. Temp sensor
7. Battery
Bank (8 nos)
258Ah
12V each
15. Sense Line
Fuses&teminal
blocks
70. RTD
Surge
Protector
Bank
16. Sense
Line Relay
Bank
17. Surge
Suppressor
28. Current
sensor
(for each group of
6 panels)
2. Power
Line
Disconnect
Breakers
12. Surge
Suppressor
5. MPPT
Charge
Controller
6. DC Disconnect
Breaker #1
(w.lockout)
9. Load
Disconnect
Relay
8. DC
Disconnect
Breaker #2
(w.lockout)
71. 4-20mA
Loop
Protector
Bank
10. Inverter
(w. AC breaker)
5kW,48V pure
sine wave
GPIB Card
3. Power
Line Relay
Bank
4. Surge
Suppres
sor
4. Surge
Suppres
sor
28. Current
sensor
(for each group of
6 panels)
5. MPPT
Charge
Controller
6. DC Disconnect
Breaker #1
(w.lockout)
72.
Voltage
sensor
(1 for
each
panel)
Meter
Hub