7.5KW Water Pump for Solar System Specification
A 7.5kW solar water pump system is engineered for medium-scale agricultural or commercial water supply. It typically integrates an 11kWp photovoltaic array, a 7.5kW solar pump inverter, and a high-efficiency 7.5kW submersible or surface pump. The core inverter features MPPT technology, soft-start capability, and comprehensive protection against dry running and overload. This robust system is ideal for deep well pumping or long-distance water transfer, offering significant energy savings and reliable operation in remote areas without grid access.
7.5KW Solar Water Well Pump Kit
| Item | Componenet | Model | Quantity |
| 1 | Mono solar panel | 550Watt | 20pcs |
| 2 | Submersible Pump | 7.5KW, 3 Phase 380V | 1 set |
| 3 | Solar Pump Inverter | 7.5KW, 3 Phase 380V | 1 set |
| 4 | PV Combiner Box | DC circuit breaker | 1 set |
| 5 | Mounting System | Whole set for roof or ground | 1 set |
| 6 | PV Cables | 4mm² PV cables | 200m |
| 7 | PV connector | Rated Voltage: 1000V | 45 pairs |
| 8 | Water Level Sensor | Plug-and-Play RS484 Communication | 1 set |
| 9 | Lithium Battery (optional) | 18.75kWh | 1pcs or more |
Solar Powered Pumping System Features
Water Pumping for Irrigation: Solar-powered water pumps are widely used in agricultural applications to pump water for irrigation. The system ensures a steady and reliable water supply to crops, even in remote areas where conventional electricity may not be available.
Environmentally friendly: Solar water pump systems reduce the dependence on fossil fuels and minimize environmental pollution. By using renewable solar energy, they contribute to reducing carbon footprints, promoting sustainability, and protecting the environment.
Continuous Operation in Daylight Hours: The solar water pump system operates efficiently during daylight hours when solar energy is abundant. It provides water during the day, and many systems have storage or buffer capabilities to allow for water access even when the sun isn’t shining, such as during cloudy days or nighttime.
Project Reference
Solar Well Pump Systems FAQ
1. Can a solar water pump system be used in cold regions or during winter?
Yes, but frost protection measures are necessary. Install pumps and water pipes below the frost line or insulate them to prevent freezing damage. Solar panels perform more efficiently in low temperatures, but snow accumulation can affect power generation. Installing them at a steeper tilt angle helps snow slide off.
2. Does water quality affect the solar water pump system?
Yes. Different water qualities require different types of pumps. Use wear-resistant sewage pumps or specially designed gravel pumps for water sources with high sediment content. For seawater or highly saline-alkaline water, pumps made of corrosion-resistant materials (such as stainless steel or special plastics) are essential to prevent rapid corrosion damage.
3. Can a solar water pump system be integrated with an existing grid or diesel pump?
Yes. Such a system is called a “hybrid solar water pump system.” Common solutions include “solar + grid” or “solar + diesel generator” complementary setups. When solar energy is insufficient, the system can automatically switch to the backup power source to ensure uninterrupted water supply. This type of system requires a higher initial investment but is highly practical in situations where water supply stability is critical.
4. What are the key components of a complete solar water pump system?
A typical system consists of four core components: a solar panel array (for power generation), a dedicated solar water pump controller (for power conversion and protection), a pump unit (for water extraction, such as submersible or surface pumps), and water storage facilities (such as water towers or reservoirs for storing pumped water). Additionally, it includes auxiliary materials such as cables, pipes, and mounting brackets.
