UFELE Electric — Solar Pumping, Industrial Drives and PV Protection
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UFELE project cases show how solar pump inverters, PV combiner boxes and water pumping systems are applied under different site conditions. The current project library covers school and community water supply, agricultural irrigation and mountainous solar pumping installations.
Each project focuses on the configuration that matters to buyers and engineers: pump duty, PV array, inverter selection, water storage, DC protection and field installation.
The projects below cover three different design priorities: deep-well water supply with storage, compact solar irrigation with a defined daily water target, and a larger mountain irrigation system with detailed PV string and combiner-box protection data.
A solar-powered groundwater system supplies a rural school and nearby community using a deep-well submersible pump and water storage.
A compact solar irrigation installation uses the FU9000SI-2.2KW-SS2 to operate the water pumping system from available PV energy.
A mountainous irrigation installation combines a 46 kW PV array, six-string PV protection, a 37 kW solar pump inverter and a 30 kW submersible pump.
The same solar pump inverter concept can serve very different water duties. The useful comparison is not the country alone, but the relationship between the water target, hydraulic conditions, PV array and electrical protection.
| Project | Application | Key Configuration | Main Engineering Focus |
|---|---|---|---|
| Kenya | School and community water supply | 44 PV modules, approx. 150 m pump depth, 2 × 10,000 L tanks | Deep-well pumping, hydraulic head and stored water availability |
| Sri Lanka | Agricultural irrigation | FU9000SI-2.2KW-SS2, up to 100,000 L/day | Pump/inverter matching, daily water target and PV-powered operation |
| Mexico | Mountain agricultural irrigation | 46 kW PV, 84 × 550 W, 6 × 14 strings, 6-string combiner box, 37 kW inverter, 30 kW pump | PV string design, DC protection, elevation and mountain pipe routing |
The three installations illustrate how the same product family fits different project goals. UFELE uses the actual pump and site data to determine the required voltage class, current capacity, PV operating window and protection arrangement.
Water storage can separate pumping time from consumption time. In the Kenya project, the deep-well pump fills two 10,000-liter tanks so water remains available beyond the strongest solar hours.
Irrigation projects start with the required flow and daily water target. The Sri Lanka project shows a compact FU9000SI installation where pump operation follows the available solar input.
Larger arrays add string-level protection and switching requirements. The Mexico project combines six PV strings through a 1000 V IP65 combiner box before the solar pump drive.
A completed case is useful for comparison, but a new system still needs its own pump, hydraulic and PV data. The review normally starts with four groups of information.
Motor power, voltage, phase, rated current, pump model and pump curve where available.
Static and dynamic water level, required flow, tank elevation, pipe length and pipe diameter.
Module wattage, Voc, Vmp, Isc, Imp, proposed string layout and minimum site temperature.
Combiner inputs, DC breaker and SPD requirements, level sensors, cable distance and AC backup needs.
Use the project cases together with the current technical pages when preparing a new specification or quotation.
Review current model ratings, PV input limits, rated output current, control terminals, protection functions and dimensions.
Review string inputs, DC protection devices and configuration options for PV arrays feeding solar pumping and other DC systems.
See how the PV array, solar pump inverter, pump, hydraulic duty, sensors, storage and optional backup supply work together.
Yes. Send the pump nameplate, required head and flow, water source data, PV module datasheet and site information. UFELE can review the inverter voltage class, rated current, PV string range and basic protection requirements.
Yes for a complete system review. Inverter selection starts with the motor electrical data, but pump performance depends on the hydraulic duty. Required flow, water level, delivery elevation and pipe losses should be checked together.
Yes. Combiner-box string quantity, fuse current, MCCB rating, SPD configuration and enclosure requirements can be matched to the PV array and project voltage.
For applicable FU9000SI configurations, PV and AC operation can be arranged with the required external switching and interlocking. The exact circuit should be confirmed from the selected model and site requirements.
Send the pump power, voltage, phase and rated current, required flow, total dynamic head or water-level data, pipe details, daily water target, PV module Voc/Vmp/wattage and the installation country.