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학술지 Energy harvesting from conducted electromagnetic interference of fluorescent light for Internet of Things application
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저자
형창희, 황정환
발행일
202210
출처
ETRI Journal, v.44 no.5, pp.759-768
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.2021-0255
협약과제
22HH4200, THz 대역 주파수 개척 및 안전성 평가 기술 개발, 김명돈
초록
A novel energy harvesting technique that uses conducted electromagnetic interference as an energy source is presented. Conducted EMI generated from fluorescent light using a switched-mode power supply was measured and modeled as an equivalent voltage source. Two types of rectifier circuits?봞 bridge rectifier and a voltage doubler?봶ere used as the harvesting devices for conducted EMI source. The matching networks were designed based on the equivalent model, and the harvested power was improved. The implemented energy harvester produces a regulated power over 68.9혻mW and current over 15.1혻mA while a regulated voltage can be selected between 3.3혻V and 5혻V. The proposed system shows the highest harvesting power indoor environment and can provide enough power for the Internet of Things devices.
KSP 제안 키워드
Bridge rectifier, Energy Harvesting(EH), Energy sources, Equivalent model, Fluorescent Light, Indoor Environment, Internet of thing(IoT), Switched-Mode Power Supply(SMPS), Voltage source, conducted EMI, conducted electromagnetic interference
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