2. System composition
2.1 Photovoltaic Array
-* * Function * *: Convert solar energy into electrical energy.
-Composition: Composed of multiple photovoltaic panels connected in series or parallel, with a total power of 15kW.
-* * Type * *: Usually using monocrystalline silicon or polycrystalline silicon photovoltaic panels, with high efficiency.
2.2 Controller
-Function: Adjust the electrical energy output of the photovoltaic array to ensure stable operation of the water pump.
-* * Type * *: MPPT (Maximum Power Point Tracking) controller, capable of maximizing the output power of photovoltaic arrays.
2.3 Water pump
-Function: Convert electrical energy into mechanical energy and lift water.
-* * Type * *: Choose submersible pump or centrifugal pump according to your needs, with power matching the system.
2.4 Energy storage device (optional)
-* * Function * *: Store excess electricity for use at night or on cloudy days.
-* * Composition * *: Usually uses battery packs, such as lead-acid batteries or lithium batteries.
2.5 Pipeline system
-* * Function * *: Convey water.
-* * Composition * *: including water pipes, valves, joints, etc.
2.6 Water tank
-* * Function * *: Store the water brought up.
-* * Type * *: Choose between above ground or underground water tanks according to your needs.
3. Working principle
3.1 Optoelectronic Conversion
-Photovoltaic arrays absorb sunlight and convert it into direct current electricity through the photovoltaic effect.
3.2 Electricity regulation
-The controller monitors the output power of the photovoltaic array in real time and adjusts the operating point through MPPT algorithm to ensure that the system always operates at the maximum power point.
3.3 Water pump drive
-The electric energy output by the controller drives the water pump to work, lifting water from low to high.
3.4 Water Storage and Transportation
-The water lifted up is transported through a pipeline system to the water tank for storage and subsequent use.
3.5 Energy Storage (optional)
-If the system is equipped with an energy storage device, excess electricity will be stored in the battery for use in case of insufficient photovoltaic power generation.
4. System features
-Environmental Protection: Utilizing solar energy without pollution.
-Energy saving: Reduce dependence on traditional electricity.
-Economy: Low long-term operating costs, especially suitable for remote areas.
-* * Reliable * *: The system structure is simple and easy to maintain.
5. Application scenarios
-Irrigation of farmland: Providing a stable water source for farmland.
-* * Domestic Water * *: Solving the problem of domestic water in remote areas.
-Animal husbandry: Providing drinking water for pastures.
6. Summary
The 15kW photovoltaic water lifting system converts solar energy into electrical energy through photovoltaic arrays, driving water pumps to lift water, suitable for various scenarios. The system has the advantages of environmental protection, energy conservation, and economy, and is an effective means to solve water resource problems.