The sun enrgy
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The document discusses the sun as a renewable source of energy and how its energy can be harnessed through solar panels and solar plants. Solar energy can be collected through photovoltaic panels, which convert sunlight directly into electricity, or through solar plants that use mirrors to reflect and concentrate sunlight onto a central point to power a turbine and generate electricity. The two main types of solar plants are photovoltaic systems and plants that use mirrors.
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Solar energy is a powerful and renewable source of energy derived from the sun's radiation. This abundant and inexhaustible resource has become a focal point in the pursuit of sustainable and environmentally friendly alternatives to conventional energy sources. At its core, solar energy harnesses the sun's radiant light and heat, converting it into electricity or thermal energy for various applications. Photovoltaic cells, commonly known as solar panels, are the primary technology employed to capture sunlight and generate electricity through the photovoltaic effect. These cells are composed of semiconductor materials that absorb photons, releasing electrons and creating an electric current. Additionally, solar thermal systems use mirrors or lenses to concentrate sunlight, producing heat that can be used directly or converted into electricity. Introduction slides.pptx
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This document provides an overview of different types of solar electric systems. It describes off-grid systems that use solar power to charge batteries for powering appliances, and grid-connected systems that feed excess power generated by solar panels back into the electricity grid. It also discusses centralized and distributed grid-connected systems, as well as passive solar design and other solar technologies like solar thermal power and concentrated solar power.
Solar copy
Solar energy is a renewable energy source that is absorbed from the sun as light and heat. For thousands of years, humans have harnessed solar energy passively through architectural design of homes, but now solar cells directly convert absorbed sunlight into electricity via the photovoltaic effect. Current solar technologies aim to overcome challenges through concentration of sunlight, making solar energy systems more economical at utility scales, and using mirrors to reflect more sunlight onto photovoltaic panels for electricity generation without precise sun-tracking.
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The sun enrgy
- 1. THE SUN ENERGY By: Pablo Domènech i Mònica Martínez
- 2. THE SUN The sun is a primary energy. Is renewable (we can use it lots of times), and it’s also a alternative energy. The sun is the star of the center in the Systema Solar!
- 3. HOW CAN WE USE THE SUN? We can use the sun for lots of things. For example, we can put solar panels for getting electricity and get hot water too. Some houses have got solar panels in its roof. We can also use the sun in power plants.
- 4. TWO TYPES OF SOLAR PLANTS We have got two types of solar plants: a solar plants with photovoltaic panels or a solar plant with mirrors. In the next slide i’m going to explain how this solar plants work.
- 5. PHOTOVOLTAIC SYSTEM This system use photovoltaic panels. The sun goes to this panels and they become continues electricity. There are houses with this panels for get electricity and hot water. It’s more easy get this that no the solar plants of mirrors.
- 6. SOLAR PLANTS WITH MIRRORS This system use a type of mirrors and the sun goes to a certain punt. After, the sun become to electricity and move a turbine. The turbine makes steam.