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last century the earth experienced a huge booming of its population. The rate
of this growth is the biggest ever and all major predictions estimate that it
will continue. Goods are becoming more and more valuable; consequently their
management requires precise decisions as well as accurate decisions.

the huge industrial revolution, the next huge step from humanity was to invent
new ways of transforming the energy from the sun, into useful energy for all
kinds of activities. Practically, solar energy will not expire before the end
of earth’s life, this fact drives to the assumption that the above mentioned
types of energy sources are considered renewable. Apart from energy, another
major good that is fundamental for all societies is food. Agriculture is the
science that circulates all activities related to food production. It seems
that the future of both goods will find them bonded and especially food
production will be directly dependable to the energy. Adding to this, the
demand for food production industry will increase and require more energy;
hence it will add especially to the environmental depletion, by releasing CO2
to the atmosphere.

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aim of this study is to present, a potential alternative solution regarding the
covering of energy needs, required for farming activities related to the arable
lands. As the car industry, gradually heads to the electric engines and
electric vehicles, the




Farming tractor
industry will not fall behind with traditional diesel engines. Assuming that it
is possible to manufacture electric farming tractors, this paper is studying
the energy balance between generation of solar energy and the demands of the
farming activities in the field. The main parts of this concept are the solar
array scheme, the electric motor of the tractor and of course the battery that
will store the electrical energy from solar panels and produce it to farming
tractor, while operating in the field. Except from evaluating the technical and
financial feasibility of this project, this paper aims to enforce the union of
two fields into one; Agriculture and Sustainable Engineering to Sustainable
Agriculture Practices.



Solar energy,
renewable, Agriculture, CO2, farming activities, electric engines,
farming tractor, batteries, solar radiation.  



            A solar cell is an electronic device
which directly converts solar energy from sun into electricity in consideration
of light current and voltage to generate electric power. This process requires
firstly, a material in which the immersion of light raises an electron to a
higher energy states, and secondly, the movement of this higher energy an
external circuit. The electron then dispelled its energy in the exterior
circuit and returns to the solar cell. A variety of materials and processes can
satisfy the requirements for photovoltaic energy conversion, but in practice
nearly all photovoltaic energy conversion, uses semi-conductor materials in the
form of p-n junction.

attempt of this study is to examine if an electric tractor can fulfill all the
farming activities in equal qualities and efficiency as the classic framing
tractor. Currently there is no specific model of an electric farming tractor in
commercial size production. Hence for the needs of this study the electric
tractor will be assumed to be classic farming tractor with electric motor an no
technical design details of any particular motors will be discussed. The
traditional fossil fuel, which is diesel, will be replaced by electricity from the
solar Photovoltaic panels and fuel tank will be battery.



have long looked for different ways to improve the efficiency and cost
effectiveness of solar cells. The solar PV cell array consists of hundreds,
sometimes thousands of solar cells leading to individually convert radiant sun
light into electrical supply. The ordinarily solar cell is almost 85% of the
sunlight that hits them does not get converted into electric current. Hence the
scientist has been constantly experimenting with new techniques to boost this
light absorption and conversion ability.



group of scientist from university of Toronto discovered a nano particle called
colloidal quantum Dots. This material is not costly and has more flexibility for
solar cells than compared to the processed silicon in normal solar cells.
Normal cells are not capable of outdoor functioning, but this discovery has
made it possible. Quantum dots do not unite with air and maintain their solidity,
due to this characteristic they have increased radiant light absorption capability
and also were found up to 8% more efficient at conversion of sunlight.




and wastewater utilities can benefit from new floating solar power systems. By
installing solar panels floating on lakes, lagoons or ponds. In turn, the solar
panels shade the water, limiting algae growth and water evaporation. The floats
have been approved for use in drinking water reservoirs. The floating system is
engineered to withstand 85 mph winds and change in water levels. By installing
solar panels over a pond, the panels are naturally cooled, resulting in
improved power production performances. The cooler environment also reduces
stress on the system, extending the system’s life span.



1. At the moment, the Japanese
currently have the largest floating solar power system in the world. Located at
Kyocera, this massive solar panel farm is comprised of over 9,000 panels and it
generates 2680 MW of energy every year.

2. The 10 KW floating solar power
station in Rajarhat, Kolkata is the first of its kind in India PV modules to
produce a minimum of 14mwh of solar energy annually. Fig. No.1 shows that
floating solar plant (blue) is 10.3% more efficient than terrestrial land
system (red).

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