Solar Water Pumps
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solar water pumping system
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solar system for agricultural water pumps
Drip Irrigation, above ground emitters, and open flood watering methods all can be achieved using solar water pumping. Small-scale and commercial-scale solutions are ready to deploy for you irrigation needs.
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Solar Irrigation Systems
Solar water pumping systems are a perfect match for irrigation – a solar irrigation pump solution for remote locations where more sun increased the demand for water.
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A Solar Agricultural Water Pumping System
LORENTZ solar pumping systems can be used to transform unused land into productive farms or to improve the yields from existing crops. Bringing water to locations that do not have any existing infrastructure is improving food security and generating significant income for farmers and communities around the world.
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Solar water pumps are often used in remote areas where the cost of running traditional AC powered water pumping is cost prohibitive or you just want to provide water to an off-grid home. Solar water pumping systems are also used to pump water for livestock and crop irrigation in remote locations.
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Selecting the Solar Pump
Submersible Solar Pumps can lift up to 650 feet and fit in a 4″ or larger well casing and are used when the water supply is deeper than 20 feet from the surface. Submersible solar pumps can operate directly off solar panels, batteries, or in some cases, an AC power source. Water is usually pumped during the day when the sun is shining and stored in a cistern or tank for use whenever needed. It is recommended that several days worth of water is stored to be prepared for stretches of bad weather when no water is pumped.
Surface Solar Pumps are good for applications with shallow wells, ponds, streams or storage tanks. They are best if the water supply is 20 feet or less from the surface. While surface pumps generally can’t lift water very high from a deep source, they can then push water great distances, 200 feet or more!
Solar Water Pumps and Systems for Wells, Irrigation and Livestock
The sun is the natural source of energy for an independent water supply. Solar water pumps and systems operate anywhere that the sun shines, and the longer it shines, the more water they pump. When its cloudy, they pump less water, but often you need less water when it is cloudy.Photovoltaic modules, the power source for solar water pump systems, have no moving parts, require no maintenance and last for decades. A properly designed solar water pumping system will be efficient, simple and reliable. Solar water pump systems operate on direct current, (the Shurflo 9300 solar water pump operates at 24v, the Grundfos SQflex solar water pump for wells operate as high as 300VDC).
The output of the solar power system varies throughout the day and with changes in weather conditions. The nature of variable electricity in the form of direct current (DC) is quite different from conventional, steady alternating (AC) current from the utility grid or a generator. To use solar energy economically, the solar water pump system must utilize the long solar day, drawing a minimum of power. This means pumping more slowly than conventional pumps. Pumping at rates of less than 6 gpm requires different mechanisms from the conventional (centrifugal) pumps.