ppt on conversion on sound into electrical energy
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i am in need of ppt on topic of CONVERSION OF SOUND INTO ELECTRICAL ENERGY
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ppt on conversion on sound into electrical energy

Abstract

In this work, a relatively less explored source of green energy is proposed. Random sound energy around us can be treated as a source of electric power after their efficient conversion using suitable transducer. An effective way of producing usable electric power from available random sound energy is presented here. Piezoelectric transducers are used for conversion of sounds into electric energy. The produced electric energy from multiple piezoelectric transducers are stored in multiple supercapacitors which are then summed up and amplified through adder and voltage multiplier circuits. The resultant electric power was used to charge a rechargeable DC battery so as to store this energy. A small 9 volt DC battery was found to be fully recharged within half an hour from fully discharged stage using medium sound source through the proposed conversion circuit. In this way, random sound energy from numerous sources around us can be stored as electric energy which can be used later to deliver electric power to drive compatible small loads. The proposed idea can give a new source of green energy and can contribute in global search for renewable energy.
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