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국내 논문지

홈 홈 > 연구문헌 > 국내 논문지 > 전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

Current Result Document : 17 / 17 이전건 이전건

한글제목(Korean Title) 초전도 코일을 적용한 무선 충전시스템 특성
영문제목(English Title) Characteristics of Variable Wireless Charging System Applying Superconducting Coils
저자(Author) Jeong   In-Sung   Choi   Hyo-Sang   In-Sung Jeong   Hyo-Sang Choi  
원문수록처(Citation) VOL 67 NO. 06 PP. 0804 ~ 0808 (2018. 06)
한글내용
(Korean Abstract)
영문내용
(English Abstract)
Interest in wireless power transfer (WPT) has been growing recently due to the rapid increase in the use of electronic devices. Wireless charging systems are currently being applied to mobile phones and many studies are being conducted to apply wireless charging systems to various devices. The current wireless charging systems are capable of 1:1 charging. For wireless charging, when the devices with the same resonance frequency are present in the vicinity, the charging efficiency may be significantly lowered due to frequency interference or the wireless charging systems may stop operating. In this paper, variable capacitors were applied to a superconducting WPT system to solve the frequency interference among multiple devices with the same frequency. When a wireless charging system was performing 1:1 operation, the frequency of the other devices was varied using variable capacitors. As a result, it was confirmed that the highly efficient WPT is possible without frequency interference even when multiple receivers are present.
키워드(Keyword) Wireless Power Transfer (WPT)   Superconducting coil   Resonance frequency   Selectivity of frequency  
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