As AC voltage cannot sum up each other, we have to convert AC voltage to DC voltage. Piezo transducer generate AC voltage when we apply pressure on piezoelectric transducer. In the project we used piezoelectric transducer of ceramic type. The most common type of voltage multiplier is the half-wave series multiplier, also called the Villard cascade. Voltage multipliers can be used to generate a few volts for electronic appliances, to millions of volts for purposes such as high-energy physics experiments and lightning safety testing. In our project we used Villard Cased to convert AC supply to DC and amplify the voltage.We chose Villard cascade because it rectify and amplify the input from the source simultaneously by using diodes and capacitor.Ī voltage multiplier is an electrical circuit that converts AC electrical power from a lower voltage to a higher DC voltage, typically using a network of capacitors and diodes. As a result, the metal plates also vibrates and produce an acoustic disturbance. Conversely, if an AC signal is applied to the plates, it causes the crystal to vibrate in sync with the signal voltage. ![]() Therefore, an AC voltage arises between the two metal plates, with a waveform similar to that of the sound waves. The crystal picks up this vibration, which it translates into a weak AC voltage. When a sound wave strikes one or both sides of the plates, the plates vibrate. Certain ceramics, Rochelle salts, and various other solids also exhibit this effect. ![]() The most common piezoelectric material is quartz. Piezoelectricity is the electricity generated by piezo element by effect called the piezoelectric effect.It is the ability of certain materials to generate an AC (alternating current) voltage when subjected to mechanical stress or vibration, or to vibrate when subjected to an AC voltage, or both. A piezoelectric plate is a device that uses the piezoelectric effect to measure pressure, acceleration, strain or force by converting them to an electrical charge.
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