Compact Self-Powered Wireless Sensors for Real-Time Monitoring of Power Lines
- Authors
- Lim, Towoo; Kim, Youngmin
- Issue Date
- May-2019
- Publisher
- SPRINGER SINGAPORE PTE LTD
- Keywords
- Self-powered wireless sensor; Split core; Voltage doubler; Autonomous switch
- Citation
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY, v.14, no.3, pp.1321 - 1326
- Journal Title
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY
- Volume
- 14
- Number
- 3
- Start Page
- 1321
- End Page
- 1326
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/1670
- DOI
- 10.1007/s42835-019-00174-1
- ISSN
- 1975-0102
- Abstract
- This paper presents a highly efficient self-powered sensor with a radio-frequency (RF) transmission range of a few hundred meters. Magnetic energy from power lines was harvested and converted into 3.3 V pulsed voltage using a voltage doubler and an autonomous switching circuit. A ferrite core with a high relative permeability of 3200 was used for magnetic harvesting, and a split core was employed to allow live-line installation without causing a power outage. Low power sensors, such as a temperature sensor, a current sensor, and a three-axis accelerometer, were included in the module to monitor the power lines in real time. Even under a very low magnetic field of 40 mu T, average harvested power of 1.8 mW was achieved and wireless multi-sensing was successfully demonstrated over 500 m.
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Collections - College of Engineering > School of Electronic & Electrical Engineering > 1. Journal Articles
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