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The Economy, Feasibility and Application of Solar Pump System
23 July 2020

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The emergence of solar energy is undoubtedly a huge leap in the field of science, because it enables mankind to produce clean energy. Here I will briefly introduce to you the real economics, viability and applications of it.


In many developing countries, agriculture is far from being as efficient as it should be. One of the main problems in agriculture is water resource management. However, even in developing countries that obtain large amounts of water through rainfall, water resource management is not so efficient in the agricultural sector at all.


The initial investment of solar energy is high. Buts let’s put it in a developing nation's agriculturists/farmers perspective. I have chosen India as the perfect example of the best beneficiary from the use of solar energy. EXAMPLE based on past experience:


The common farmers in India may have to pay approximately Rs 50,000 to setup an electrical connection to his/her farm, depending on how far the nearest village transformer/power distributor is from the farm. Also, the farmer will have to pay between Rs 5,000 - 35,000 extra to buy a pump to irrigate the land. The problem is that the maintenance of power lines is not easy to carry out and there is high variation in the supplied voltage in such areas. This causes damage to the coils and winding and result in a possible decrease in efficiency, or even total damage the pump. Farmers who have batteries and inverters for their farms also suffer losses from the damage caused by voltage fluctuations to the inverters and has to also spend additional revenue in buying replacement Pumps and inverters,etc. Maintenance of the power lines has to be sometimes carried out by the farmer. Irregular power failures and power shortages causes major losses of agricultural output. Consider a 10 acre Cucumber crop plantation which should ideally yield a harvest of approximately 1000kg/day. Due to a power outage, there will be no power supplied to the farm for an entire day due to a power outage and this would lead to the crop not being watered for a day and results in significant weight loss of the cucumbers. In country's such as India, farmers sell vegetables based on weight and hence any weight loss would result in significant losses. But all these problems can be solved by the implementation of DIY Solar Water Pump System.


In India, there are mainly two crops: Kharif (Monsoon Crops) & Rabi (Winter Crops). With the help of DIY Solar Water Pump System, India farmers have been able to plant 4 different crops. i.e. 2 additional crops excluding the Kharif and Rabi crops. the farmers have been able to irrigate a cucumber and watermelon crop in the middle of summer which also has significantly increased their profits from agriculture, something I wouldn't have been able to do without solar energy.



What about farmers from developed nations?


Farmers in developed nations can use solar energy for their sprinkler systems in their greenhouses. They can also use for artificial lighting to grow saplings. They can also use Solar water pump systems in poultry(chicken) applications to cool the sheds and provide drinking water to the poultry birds.



Household/Domestic Applications


The solar water pump system can be used to pump drinking water in societies and buildings. The concept of 'Green Buildings' that has become increasingly popular includes the use of solar water pump systems for the purpose of drinking water and other sanitary uses of water.




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