RS−P Solar Water Pump Controller User Manual
Chapter 1 System configuration
3
1.3.1 3PH AC 220v load
The Solar Array Power is as much 1.5-2 times as pump current power ,and the Maximum Power
Voltage (Vpm) is above DC310V.
For example:
Water pump used:
Hz
kW
V
A
RPM
50
0.37
220
1.85
2850
Single solar panel:
Maximum Power (Pm)
130W
Open Circuit Voltage (Voc)
155.0V
Short Circuit Current (Isc)
1.28A
Maximum Power Voltage
(
Vpm
)
120.8V
Maximum Power Current (Ipm)
1.08A
Maximum System Voltage
1000V
Solar panel total power
:
0.37*2*1000=740W
(
Remark
:
The power ratio can be1.5 in the place
with strong sunshine.)
The number of panel
:
740/130=5.69≈6
The number of tandem repeat
:
310/120=2.58≈3
The number of parallel
:
6/3=2
As follow the picture (1) :
Picture (1)
Solar Array
:
Maximum Power (Pm)
780W
Open Circuit Voltage (Voc)
465V
Short Circuit Current (Isc)
2.56A
Maximum Power Voltage
(
Vpm
)
362.4V
Maximum Power Current (Ipm)
2.16A
Maximum System Voltage
−−−−
130W
Vpm=120V
+
-
130W
Vpm=120V
+
-
130W
Vpm=120V
+
-
130W
Vpm=120V
+
-
130W
Vpm=120V
+
-
130W
Vpm=120V
+
-
+
-