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Article

Self-Oscillating Boost Converter of Wiegand Pulse Voltage for Self-Powered Modules

1
Electrical and Computer Engineering, Yokohama National University, Yokohama 240-8501, Japan
2
Department of Electrical, Management and Mechanical Engineering, University of Udine, 33100 Udine, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Dibin Zhu
Energies 2021, 14(17), 5373; https://doi.org/10.3390/en14175373
Received: 2 July 2021 / Revised: 18 August 2021 / Accepted: 25 August 2021 / Published: 29 August 2021
(This article belongs to the Special Issue Advanced Energy Harvesting Technologies)
This paper introduces a new method of electricity generation using a Wiegand sensor. The Wiegand sensor consists of a magnetic wire and a pickup coil wound around it. This sensor generates a pulse voltage of approximately 5 V and 20 µs width as an induced voltage in the pickup coil. The aim of this study is to generate a DC voltage of 5 V from the sensor, which is expected to be used as a power source in self-powered devices and battery-less modules. We report on the design and verification of a self-oscillating boost converter circuit in this paper. A DC voltage obtained by rectifying and smoothing the pulse voltage generated from the Wiegand sensor was boosted by the circuit. A stable DC output voltage in the order of 5 V for use as a power supply in electronics modules was successfully obtained. A quantitative analysis of the power generated by the Wiegand sensor revealed a suitable voltage-current range for application in self-powered devices and battery-less modules. View Full-Text
Keywords: self-powered device; battery-less modules; energy harvesting; Wiegand sensor; self-oscillating boost converter self-powered device; battery-less modules; energy harvesting; Wiegand sensor; self-oscillating boost converter
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MDPI and ACS Style

Sun, X.; Iijima, H.; Saggini, S.; Takemura, Y. Self-Oscillating Boost Converter of Wiegand Pulse Voltage for Self-Powered Modules. Energies 2021, 14, 5373. https://doi.org/10.3390/en14175373

AMA Style

Sun X, Iijima H, Saggini S, Takemura Y. Self-Oscillating Boost Converter of Wiegand Pulse Voltage for Self-Powered Modules. Energies. 2021; 14(17):5373. https://doi.org/10.3390/en14175373

Chicago/Turabian Style

Sun, Xiaoya, Haruchika Iijima, Stefano Saggini, and Yasushi Takemura. 2021. "Self-Oscillating Boost Converter of Wiegand Pulse Voltage for Self-Powered Modules" Energies 14, no. 17: 5373. https://doi.org/10.3390/en14175373

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