外文中英文翻译太阳能LED路灯.doc

Advancements in Solar based LED Street light Nupur 1 Neha 1 Sangya gugri 1 Srishti mishra 1 Gulshan kr. dubey 2 UG Student, Dept. of EIE, Galgotia?s College of engineering technology, Uttar Pradesh India 1 Associate professor, Dept. of EIE, Galgotia?s College of engineering technology, Uttar Pradesh, India 2 ABSTRACT: We are in the time where energy conservation use of renewable resources has become a necessity. Thus requirement of methods which are not only highly efficient but also low in energy consumption has greatly increased to keep a check on pollution factor. Keeping this in mind this paper focuses on solar based LED street light that uses automatic intensity controller with a solar tracker. This type of LED street light not only adjust itself according to the varying darkness but also keeps a track on overcharging, deep discharging, automatic restoration of charging ,protecting the battery from the over/under voltage. It comprised of solar cell and electric energy stored from battery. The LED street lamp is lit at night automatically and changed into pulsed lighting in low power after the setting time and then turns off in daytime. Since only 20% of the total sun?s energy falls on earth and also the trajectory of sun keeps changing thus a solar tracker is used so as to track maximum sun?s energy. Keywords:Solar panel, charge controller, Intensity regulator, Solar tracker. I.INTRODUCTION Thesurface of the Sun has a temperature of about 5,800 Kelvin (about 5,500 degrees Celsius, or about 10,000 degrees Fahrenheit),as per the say of NASA, At that temperature, most of the energy the Sun radiates is visible and near- infrared light. At Earth?s average distance from the Sun (about 150 million kilometres), the average intensity of solar energy reaching the top of the atmosphere directly facing the Sun is about 1,360 watts per square meter, according to measurements made by the most recent NASA satellite missions. This amount of power is known as the total so