RS−P Solar Water Pump Controller User Manual
4
Chapter 1 System configuration
1.3.2 3PH AC 380v load
The Solar Array Power is as much 1.5-2 times as pump current power ,and the Maximum Power Voltage
(Vpm) is from 540V to 650v.
For example:
Water pump used:
Hz
kW
V
A
RPM
50
0.55
380
1.65
2780
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
:
0.55*2*1000=1100W.
(
Remark
:
The power ratio can be1.5 in the place
with strong sunshine.)
Solar panel total power
:
1100/130
≈
9
The number of tandem repeat
:
540/120=4.5
≈
5
The number of parallel
:
9/5=1.8
≈
2
As follow the picture( 2)
:
Picture (2)
130W
120V
+
-
130W
120V
+
-
130W
120V
+
-
130W
120V
+
-
130W
120V
+
-
130W
120V
+
-
130W
120V
+
-
130W
120V
+
-
130W
120V
+
-
130W
120V
+
-
+
-