For the development of modern civilization huge amount of electrical power is necessary. To meet the demand of these power scientists is desperately searching for renewable and green sources of energy. This paper attempts to increase up the electrical energy using piezoelectric materials and solar panel together. Piezoelectric materials which can take mechanical stress and convert it to electrical energy and solar panel absorb the sun's rays as a source of energy for generating electricity. In this paper the output from solar panel has been added with outputs of piezoelectric material. Here piezoelectric material has been used in two ways. We have observed that huge energy was produced when piezoelectric crystals and transducer have been used to convert mechanical stress into electrical energy by using pressure and sound on it respectively. Crystals has placed on speed breakers of roadways and transducers have placed near roadside. The goal of this experiment is to generate power not only in day but also in night with the help piezoelectric materials, so that we get sufficient source of voltage to lighten up the street lights for distance than before. Keywords-Piezoelectric material, solar panel, double sun method, DC rechargeable battery, street light.I.
Scientists are desperately searching for renewable and green sources of energy to produce electrical power. In past several years, researchers have begun using piezoelectric material for structural vibrations suppression. These materials transform mechanical energy to electrical energy and vice versa. The objective of this paper is to present an effective method for producing usable electrical energy from available sound energy from train wheels. We have observed that huge amount of sound energy is wasted in train movement (traction) System. In this paper an approach has been made to make fruitful application of the wasted sound energy. The proposed conversion circuit was tested in sound sources of train wheels and a comparison was made between other sources using this conversion circuit and a better result from train wheels have observed. The output of conversion circuit is around 12 volt which is sufficient to charge a rechargeable DC battery where a fully discharged 9 volt dc battery was found to be fully charged within half an hour from transduced electric power. The proposed electric power supply can be used to run low power electrical equipments like light, fan etc. in train compartments.
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