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Volume 1, Number 1 (2023)
Year Launched: 2023
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Performance analysis and test of magnetic coupling excitation piezoelectric rotating generator

Volume 1, Issue 1, January 2023     |     PP. 1-14      |     PDF (517 K)    |     Pub. Date: October 30, 2023
DOI: 10.54647/ijii6091001    63 Downloads     858 Views  

Author(s)

Shengjie Li, Institute of Precision Machinery and Smart Structure, Zhejiang Normal University, Jinhua 321004, P.R. China; School of Mechanical and Electrical Engineering and Transportation, Shaoxing Vocational and Technical College, Shaoxing 312000, P.R. China
Junwu Kan, Institute of Precision Machinery and Smart Structure, Zhejiang Normal University, Jinhua 321004, P.R. China
Xuyuan Shen, Fanli Business School, Shaoxing Vocational and Technical College, Shaoxing 312000, P.R. China

Abstract
In order to meet the self-power demand of wireless monitoring system and network in agricultural remote sensing monitoring system, and avoid the environmental pollution and water waste caused by battery production and waste battery, a magnetically coupled piezoelectric rotary generator was proposed. The piezoelectric vibrator of the piezoelectric rotating generator is excited by the rotating magnetic force to produce bending deformation to generate electricity. The exciting magnet arc length influence on output performance of piezoelectric rotating generator is studied theoretically and experimentally. The results show that the arc length of the exciting magnet has an effect on the output voltage peak and waveform curve. When the rotating speed is 834 r/min as well as the exciting magnet number is 3 and 5, there are 3 and 5 oscillating waves in a single waveform. The exciting magnet number has an effect on the rotating speed- voltage characteristic curve of the piezoelectric rotating generator. There are several obvious optimal speeds make the output voltage peak. With the increase of the exciting magnet number, the amplitude of oscillating waves increases and the number of oscillating waves decreases.

Keywords
Exciting magnet; Piezoelectric rotating generator; Arc length of moving magnet; output voltage

Cite this paper
Shengjie Li, Junwu Kan, Xuyuan Shen, Performance analysis and test of magnetic coupling excitation piezoelectric rotating generator , International Journal of Instruments and Instrumentation. Volume 1, Issue 1, January 2023 | PP. 1-14. 10.54647/ijii6091001

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