The General Structure Of Solar Energy Solar Cells (Photovoltaic) And Solar Panels

mohammadhoseyn janat alipor¹

1) Undergraduate student of Electronics, Technical and Vocational University, Guilan Branch, Iran -

IOI Code : XDHC-FCCBF
Publication : 3rd International Congress On Engineering, Technology and Innovation(eticong.com/3rd)
Abstract :
    The sun is a great source of energy but also the beginning of life and the source of all other energies. About 6,000 million years have passed since the birth of this fireball, and every second 2.4 million tons of the sun s mass is converted into energy. According to the weight of the sun, which is about 333 thousand times the weight of the earth. This luminous sphere can be considered as a huge source of energy for the next 5 billion years. The sun is composed of gases such as hydrogen (86.8%), helium (3%) and 63 other elements, the most important of which are oxygen, carbon, neon and nitrogen. The temperature in the center of the sun is about 10 to 14 million degrees Celsius, which is emitted from the surface at a temperature of about 5600 degrees and in the form of electromagnetic waves in space. The Earth is located 150 million kilometers from the Sun and takes 8 minutes and 18 seconds for sunlight to reach the Earth. Therefore, the Earth s share of energy received from the sun is a small amount of its total radiant energy. Even the fossil fuels stored on Earth, wind energy, waterfalls, sea waves and many more are among the results of this energy received by the earth from the sun. Solar energy can directly or indirectly be converted to other forms of energy, such as heat and electricity. The main obstacles to the use of solar energy include the variable and intermittent amount of energy and its very wide distribution. Solar energy is used for water heating, dynamic use, space heating of buildings, drying of agricultural products and production of electricity. In 1830, English astronomer John Herschel used a solar collecting box to cook food during a trip to Africa.

Keywords : photovoltaic systems pv sheet semiconductor materials silicon fossil fuels