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How to Choose the Right Solar Water Pump?

How to Choose the Right Solar Water Pump?

Nov 2,2021
 tips for choosing the right solar water pump

Solar water pump systems are becoming more and more popular due to the decreasing cost of solar panels in recent years. Solar water pumping systems mainly consist of solar pump drives, solar panels, and solar water pumps.

A solar water pump draws the energy required for its operation from a photovoltaic module. In the pond, simply place the pump in the water and then connect it to the solar panel using a cable. As soon as the sun shines on the panel, the pump starts to work.

A solar pump drive opens up many new possibilities. In addition, there are no energy costs after purchasing solar pump systems. The followings are tips for choosing the right solar water pump.

Choose the right pump

(1) Types

Solar water pump systems come in two kinds: surface and submersible water pumps. When you have nearby water sources such as a lake, stream, or river, surface pumps are ideal. Hoses connect the pump to the water source to a storage tank, water features, or irrigators, depending on your needs.

Most users, however, prefer a submersible solar pump drive. Submerging the pump requires a well or deep groundwater source of at least 1000 feet. A solar-powered pump pumps water to a storage tank or a pressure tank when connected to a solar power relay.

Flow rate is determined by the use case of the pump (domestic, agricultural, commercial). The manufacturer’s sheet can guide you on how many cubic meters of water you’ll get each day, including for domestic usage, gardening, and livestock consumption.

Pump suction height is limited by atmospheric pressure in meters of water (that is, 9.8 meters) and is in practice limited by 6 or 7 meters. The height of the subsurface pumps, therefore, is always lower than that of the surface pumps. To initiate water suction, the water upstream of these pumps must be primed.

Delivery solar pumps (or submerged pumps) are submerged in water, with either their motors integrated with the pumps (monobloc pumps) or on the surface. The pumps are connected to the motor by a shaft that transmits power. An exhaust line usually follows the pump, and the length of the line can vary based on engine power.

(2) Wattage

The pump output is given in watts. It should be in a reasonable proportion to the amount of water in the source area. That is why most manufacturers indicate on the packaging for which size the solar water pump is intended. The size of the solar panel is also tailored to this.

(3) Delivery rate

The required delivery rate also depends on the use case. The flow rate indicates how many liters per hour are circulated by the pump. If this performance is to be beneficial to the water quality, there should be a good ratio to the amount of water.

(4) Delivery head

The delivery head is the key figure for the height of a water fountain. However, the maximum height is always specified here. This means that a certain size is reached when all conditions are excellent. If the sun shines less intensely, the water fountain of the solar water pump can be correspondingly smaller. Those who rely on high performance here should use a larger pump or more solar area.

Add output AC line reactor to long-distance solar water pump systems projects

The cable length indicates how far the solar module can protrude from the pump. Long cables are an advantage here because the module can then be positioned according to the amount of sunlight. The longer the cable, the less restricted the options available with the solar module. For a long-distance solar pump system project, you may need an ac output line reactor. Normally we suggest using it when the distance from the pump to the solar pump inverter is over 50m, and request to use it over 100m.

Choose the right solar panels

Most AC solar water pump manufacturers provide technical documentation regarding how many watt-peaks it takes to achieve their rated capacity. Solar panels’ Watt-peak data shows how much power they can produce under normal conditions.

For the best determination of the size necessary for your photovoltaic installation, we recommend reading the manufacturer’s advice sheet. Last, different solar pump controllers have different requests for VOC and VMP, you need to confirm it with your solar pump inverter manufacturers and suppliers.

Get a good solar ac pump inverter

Solar ac pump inverters have a straightforward job. They convert DC electricity generated from PVs or batteries into AC electricity for household appliances. Today, you are faced with a more complex decision to make since there are numerous models and options available.

Before purchasing a solar inverter for your solar water pump systems, you must ensure that you choose a company that provided proper support and spare parts with excellent after-sales service.

In order to control product quality and reduce cost prices, TOPN will bring the most cost-effective and competitive solar water pumps to our customers. If you want to know the relevant information, you are welcome to find out about it by searching the products on our website.

TPON is a solar water pump manufacturer with many years of experience. Our goal is to meet the diverse needs of customers and provide customers with excellent quality products. We have established a comprehensive quality inspection system in the manufacturing process of products, which can control the quality in all directions. At the same time, we will also provide customers with a considerate one-stop service to reduce customers' worries in purchasing. If you want to buy our solar water pump, please contact us immediately!
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