The Power of Solar Energy in Transportation
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Introduction to Solar Cars
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Solar cars are vehicles that are powered by the sun’s energy through the use of photovoltaic cells. The concept of using solar energy in transportation has been gaining popularity as a means of raising awareness about alternative forms of energy, particularly the development of solar cells. Despite the practical difficulties involved in converting traditional cars into solar cars, the idea of using the sun’s energy to power transportation is here to stay, and with advancements in technology, it is likely to develop into something promising and useful.
Design of Solar Cars
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The design of a solar car is heavily dependent on its electrical system, which controls the flow of electricity from the photovoltaic cells to the batteries, wheels, and controls. The electric motor that propels the vehicle is powered purely by the electricity produced by the solar cells, which, depending on the number installed, can produce up to 1000 watts of power from the sun’s rays. This is equivalent to the power needed to run an electric iron or toaster.
Solar Car Batteries and Motor Controllers
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Since the sun is not always shining, solar cars are equipped with batteries to serve as a backup power supply for the motor. The battery packs are charged by the solar cells, but they are not charged while driving unless the vehicle is traveling at a slow speed. A motor controller regulates the amount of electricity that enters the motor to control the speed of the vehicle. Despite popular perception, solar cars are not slow, and they can reach speeds of up to 80-85 mph.
Limitations of Solar Cars
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The main reason why solar cars are not yet in commercial production is that photovoltaic cells can only harness up to 21% of the sun’s energy that reaches the surface. If the technology improves and cells are able to harness more energy from the sun, it may become feasible to produce commercial models of solar cars. However, at this time, it is challenging to make a commercially viable model.
Concept Solar Cars and Other Applications
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Despite these limitations, some companies have created concept solar cars and are testing their roadworthiness. There is even a street-legal scooter powered by batteries charged by photovoltaic cells. Another possible application of solar car technology is in golf carts, which typically travel at slow speeds and could be appreciated by golfers.
Conclusion
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The future of solar energy in transportation is still uncertain, but advancements in the application of solar energy in homes and buildings have been made in recent years. Hopefully, these advancements will lead to new ways of converting the sun’s energy into usable electricity for conventional cars, making it economically and efficiently feasible.
