Solar Water Pumping Continues to Grow in Paraguay
Features
AC water pump:
Power: 1.5kW
Voltage: 3-phase 380V AC, 50Hz
Type: multi-stage centrifugal submersible pump
Series: water cooling and reinforced motor suitable for solar power
Max. flow: 16m3/hour
Max. head: 197m
Outlet: 1.25/1.5/2 inches
NEMA standard: 96mm
Diving depth: ≤50m
Materials:
Water outlet: 304 stainless steel
Impeller: 304 stainless steel
Pump body: 304 stainless steel
Motor casing: 304 stainless steel
Motor shaft: 304 stainless steel
Screw: 304 stainless steel
Upper guide bearing, thrust bearing base: cast iron, can be updated to be stainless steel with extra cost if needed
Water quality: sand content (weight ratio) in water should not exceed 0.01%, chlorine content should not be over 400mg/L
Max average daily water supply: 90m³@ 5.5KWh/m²/day
Warranty: 18 months, extend to 2-year warranty optional with extra cost
Advantages: up to 15yrs lifetime, working is reliable and stable
Controller and inverter:
Power: 2.2kW
Input voltage: 330-710V
Output voltage: AC, 3-phase 380V
MPPT: 450-600V
Max MPPT efficiency: ≥97%, soft start/stop
Warranty: 2-year, extend to 3-year warranty optional with extra cost
Protection:
Over-current, over-voltage, over-speed, over-temperature
Reverse polarity
Dry water/phase failure protection
Advantages: high MPPT efficiency function, GMS remote control, auxiliary diesel power/3 phase AC electricity hybrid power transfer-switch controller, water flow control regulator, soft start/stop
Solar panel reference:
Power: mono/poly, totally about 2.1kW
Positive tolerance: +0/5W
Products warranty: 5 years
Performance warranty: 90%/10 years, 80%/25 years
Mounting system:
Type: fixed mode/pillar manual tracking/slanting uniaxial tracking
Foundation: concrete pouring
Installation type: 6 pieces/array and vertical
Warranty: 5 years
Material: hot-dip galvanized
Combiner box: N/A
Accessories: PV cables, water pump cables, water level detective sensor, cable sleeves, pipeline, flange, riser pipe
The quantity of accessory materials are based on actual design
Applications:
Ecological irrigation
Solar drought control, living water supply
Agriculture irrigation
Solar desert control
Solar seawater desalination system
Solar city water landscape
Pasture irrigation

| Factor | Solar AC Pump | Solar DC Pump |
Cost |
Less when compared to DC | High |
|
Ability to run on Mains during nights/ when solar absent |
Yes | NO |
| Installation, maintenance & servicing | Easy | Difficult |
| Aviable application | Submersible/monoblock/open-well | Most submersible only |
| Reliablitiy | Good | Poor |
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