Abstract
This study is aimed at determining the piezoelectric configuration for generating electricity from wave power through the design of a prototype model named Cov-TOTal. The study was carried out in Tomini Bay, Lopo Village, Batudaa Pantai District, Gorontalo Regency, located at approximately ±50 meters from the shoreline, while the piezoelectric construction was arranged in parallel with varying numbers of 28, 70, and 90 pieces. The result showed that the amount of piezoelectric configuration affects the value of the voltage and electric current generated by the Cov-TOTal model. Furthermore, the average electric voltage values were 17.58, 20.76, and 29.85 volts, while the average current was 1.16, 1.73, and 2.01 mA for each piezoelectric amount. Therefore, the largest values of power and electrical energy for each piezoelectric are 16.65 mW and 0.56 joules, 31.82 mW and 1.20 joules, and 44.59 mW and 1.77 joules, respectively. This study concluded that the amount of piezoelectric configuration has a significant effect on the voltage, current, power, and electrical energy produced.
Highlights
Piezoelectricity is the accumulation of electric charge in certain solid materials such as ceramics, bone, and crystals
The deflection and the vibrations were produced by the electricity which comes from the pressure, pull, or vibration applied to the piezoelectric material [2]
Based on the potential of piezoelectric materials as a power station, and the abundant availability of sea waves in Indonesia, this study is aimed at providing information on the effect of the piezoelectric configuration placed on the prototype model, to generate electricity
Summary
Piezoelectricity is the accumulation of electric charge in certain solid materials such as ceramics, bone, and crystals. This phenomenon was discovered by the Curie brothers in 1880, by observing the semiconductor crystals that generated electricity due to the presence of external mechanical stress. The deflection (direct piezoelectric) and the vibrations were produced by the electricity which comes from the pressure, pull, or vibration applied to the piezoelectric material [2]. The deflection process in this piezoelectric material arises from the pressure applied directly or vibrated through an intermediary, such as a cantilever [3]. If the applied pressure is large, the electrical voltage which will be generated by this piezoelectric material is going to be even greater which tends to be damaged without direct pressure being applied [4]
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