Piezoelectric ceramic sensor (PZT) applied to electric current measurements

被引：0
|
作者：
M. Henrique B. Júnior
Amarilton L. Magalhães
Agliberto M. Bastos
A. Jefferson M. Sales
Daniel X. Gouveia
Alexei A. Kamshilin
Alisson da C. Ferreira
Glendo de F. Guimarães
A. Sergio B. Sombra
J. Wally M. Menezes
机构：
[1] Ciência e Tecnologia do Ceará-IFCE,Departamento de Telemática, Instituto Federal de Educacão
[2] Universidade Federal do Ceará,Departamento de Engenharia de Teleinformática, Programa de Pós Graduação em Eng Teleinformática
[3] Universidade Federal do Ceará,Laboratório de Telecomunicações e Ciência e Engenharia de Materiais LOCEM, Departamento de Física
[4] Instituto Federal de Educação,Laboratório de Fotônica, Programa de Pós
[5] Ciência e Tecnologia do Ceará,Graduação em Engenharia de Telecomunicações
[6] University of Eastern Finland,Department of Applied Physics
[7] Universidade Federal do Ceara,Departamento de Fisica
来源：
Microsystem Technologies | 2019年 / 25卷
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摘要：
This work presents an experimental current measurement set based on a Lead Zirconate Titanate (PZT) ceramic for AC (60 Hz) current measurement. The proposed device is built using a PZT rectangular plate ceramic with one fixed end. A permanent magnet is mounted to the other end of the plate. The interaction between a magnetic field (B) and the device creates a mechanical vibration. Due to the piezoelectric effect, a voltage is presented at the output terminals of the device. This output is proportional to the magnitude of the current flowing in the wire. We present experimental results of the AC 60 Hz current measurement on the 15–110 A. The good sensitivity of the device (approximately 20 mV/A) for a distance of 1.5 cm between device and the magnetic B-field source must be highlighted.
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页码：705 / 710
页数：5
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