Solar Water Pump for Livestock
Solar-powered water pump is essential for optimal growth and health. Without access to good quality water, cattle and sheep cannot thrive. Water comprises 80% of blood volume and is crucial for regulating body temperature, aiding in digestion, waste removal, and facilitating nutrient absorption in vital organs.
Solar water supply systems offer a more environmentally friendly and cost-effective means of providing high-quality water to livestock, ensuring their overall health and well-being.
How Solar Power Works
- When sunlight hits the surface of solar panels, the movement of electrons generates direct current. This DC current is transmitted to the pump controller through connected wires.
- The solar pump controller, acting as the "brain" of the system, operates the submersible motor using advanced technology and sensor inputs, driving the pump to overcome gravity and push water to the surface.
- The size of the solar water pump is determined by calculating the total vertical feet of head required to pump, the pressure needed, and the total water volume required per day.
How to Design a Livestock Watering System？
Understanding daily drinking water needs of livestock is key when designing a livestock watering system.The daily water requirement of livestock varies significantly among animal species.
How much water does animals needs?
These figures are for guidance only, as individual needs will vary based on personal circumstances, environment and diet.
How to choose a solar pump:
1. Confirm your technical requirements
- How deep is your well (borehole)?
- What is the distance between the tank and the well(or other watersource such as a river)?
- What is the height of the tank?
- How much water need to irrigation a day (litres/day)?
2. Choose solar pumps according to your needs
Calculate the “actual lift needed” and find an appropriate pump.Then choose the most suitable pump according to different flow rates and prices as well as pump materials.
How to calculate lift ?
- h1 Lift underwater
(the vertical distance between the water pump and the water surface) - h2 Lift above water
(the vertical distance between water surface and the wellhead) - h3 The horizontal distance between the well and the water tank
- h4 Tank height
-
Actual lift required:
H=h1/10+h2+h3/10+h4
How to calculate head :
- h3 the horizontal distance from the water source to the water tank
- h4 vertical height from water source to water tank
Actual lift required:
H=h3/10+h4
How to Choose a Solar Panel?
The power of the solar photovoltaic panel array is recommended to be 1.3 times or more than the power of the water pump.The voltage of the solar photovoltaic panel array needs to meet the voltage range of the water pump.
Example:
3 Inch Plastic Impeller Solar Submersible Pump
Model: 3DPC3.5-95-72-750
- Pump power: 750w
- Best input voltage: 90-120v
- Maximum open circuit voltage: 160v
Requirements for solar photovoltaic panel array: power ≥ 750w*1.3 (that is, power ≥ 975w)
- VMP voltage > 90v
- VOC voltage < 160v
Solar panel:
- power 330w
- VMP voltage 37.26v
- VOC voltage 45.64v
3 solar panels in series:
- power 330w*3=990w
- VMP voltage 37.26v*3=111.78v
- VOC voltage 45.64v*3=136.92v
In this case, the power and voltage requirements of the pump can be satisfied, so this solar photovoltaic panel array scheme is acceptable.
Is a battery necessary?
The battery is not necessary, if you need to use it at night or in rainy weather, you can choose Difful AC/DC hybrid solar submersible pump.
How to choose a battery?
If you need to use a battery, a charge manager must be connected. The voltage after the battery is connected needs to meet the voltage of the water pump. The connection method of charging manager is shown in the figure.
How to select pump extension lines?
The water pump comes with a cable of 2 meters. The length can be customized according to your actual needs. Customers can also extend the cable themselves.
Notes for selecting cables:
- Select waterproof cables.
- Select 3-wire or 4-wire cables.
- 2.5sq cables are recommended below 50m; 4sq cables for 50m-100m; 6sq cables for 100m-200m.
If the cable required is more than 200m, it is recommended to choose a solar submersible pump with built-in controller
References
Innovative Technology-leading Solar Pump Manufacturer
Solve the problem of livestock drinking water for Mongolian pastures
Solar energy water supply solution for Australian ranch
New Zealand ranch cattle and sheep drinking water solutions
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