The diagram is a pictorial front view of a palace in Ghana, Kenyasi. During the night, the palace is very dark as a result of insufficient light to illuminate the place. As energy engineer, together with my colleagues, we have proposed a solar street light project which will help to illuminate the palace during the night. Solar energy is a renewal energy which is inexhaustible. It drives it energy from the sun and make good use of it during the night. The energy drived from the sun is stored in a battery. This energy stored in the battery is used during the night when the sun is not shining. Solar energy has a life span of 25 years. It is very cheap at long run. With solar, you are free from power crisis. Even if the sky is cloudy, there is a possibility of light rays. Since energy is the basic necessity for every country, there is the need to shift our attention to solar energy
good one
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Solar lights are very good alternative sources of energy but is not conventional as other sources
Very true
Great idea!
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Solar street works in the night because during the day some of the energy is stored in a battery. Available energy stored in the battery is used during the night
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The streelights is a set together with the battery. At times the batteries are in build. In case of a rooftop solar system I can decide the type of battery I will use. Li-ion batteries by Tesla is very good one. In sizing of the battery, we have a term called days of autonomy. For example, depending on the customer , I can use 3 days autonomy which means if there is a continuous rain for 3 days there would be supply of energy. 3 days of auntonomy has more battery capacity as compared to 1 day of autonomy. As I said earlier in my post, even if the sky is cloudy still there would be light rays . In case of industries since the demand of energy is high, diesel generator can be added to prevent inconveniences. Solar energy does not pollute the atmosphere. It's environmental friendly unlike fossils fuels (diesel) which pollutes the atmosphere