A Battery-free Wireless Sensor Module for Dynamic Power Line Rating System
- Authors
- Lim, Towoo; Kim, Youngmin
- Issue Date
- 2022
- Publisher
- IEEE
- Keywords
- Self-powered wireless sensor; real-time monitoring; smart switching circuit
- Citation
- 2022 9TH INTERNATIONAL CONFERENCE ON CONDITION MONITORING AND DIAGNOSIS (CMD), pp.767 - 770
- Journal Title
- 2022 9TH INTERNATIONAL CONFERENCE ON CONDITION MONITORING AND DIAGNOSIS (CMD)
- Start Page
- 767
- End Page
- 770
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/30968
- ISSN
- 2374-0167
- Abstract
- This paper presents a compact self-powered IoT sensor module with a radio-frequency (RF) transmission range of a few hundred meters. Magnetic energy from power lines was harvested using an efficient switching circuit and a low duty sensing operation without a battery was achieved for extended hours. A ferrite split core was used to allow live-line installation without causing a power outage. Low power sensors, such as a temperature sensor and a current sensor, were integrated in the module for monitoring the power lines. It demonstrated a real time temperature monitoring and thus dynamic line rating for optimal network operation can be achieved.
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- Appears in
Collections - College of Engineering > School of Electronic & Electrical Engineering > 1. Journal Articles
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