Power transfer efficiency (PTE) enhancement and electromagnetic interference (EMI) reduction method using a frequency selective repeater coil for loosely-coupled wireless power transfer system = 장거리 무선전력전송 시스템에서 주파수 선택형 중계기 코일을 이용한 전력 전달 효율 증가 및 전자기 간섭 감소 방법

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dc.contributor.advisorKim, Joungho-
dc.contributor.advisor김정호-
dc.contributor.authorSim, Boogyo-
dc.date.accessioned2019-09-04T02:40:45Z-
dc.date.available2019-09-04T02:40:45Z-
dc.date.issued2019-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=843402&flag=dissertationen_US
dc.identifier.urihttp://hdl.handle.net/10203/266737-
dc.description학위논문(석사) - 한국과학기술원 : 전기및전자공학부, 2019.2,[iii, 30 p. :]-
dc.description.abstractWith the advent of the fourth industrial revolution, wireless power transfer technology is becoming increasingly important. However, one of the biggest limitations of current wireless power transfer technology is that it can not transmit power with high efficiency from long distance. Currently, the wireless charging system has enabled the market for wireless charging pads for short-range charging of low-power electronic devices such as smart phones. However, in the case of high-power electronic devices or electronic devices requiring long-range wireless charging, there is a limit. Also, when a wireless power transfer system is applied, electromagnetic interference problems arise. Electromagnetic interference causes malfunction of sensors. Various solutions have been studied and proposed over the years to overcome these problems. In this paper, we propose a repeater coil that can enhance high efficiency and reduce electromagnetic interference. Analytical equations were derived to analyze the power transfer efficiency and electromagnetic interference reduction rate at a specific resonant frequency of the repeater, and by simulation and measurement to verify this. Through the design and analysis equations presented in this study, it is expected that a repeater coil with a long - distance wireless power transfer system can be designed.-
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectElectromagnetic interference▼aefficiency▼aresonant frequency▼arepeater coil▼awireless power transfer-
dc.subject공진주파수▼a무선 충전 시스템▼a전력 전달 효율▼a전자계-
dc.subject전자기 간섭-
dc.titlePower transfer efficiency (PTE) enhancement and electromagnetic interference (EMI) reduction method using a frequency selective repeater coil for loosely-coupled wireless power transfer system = 장거리 무선전력전송 시스템에서 주파수 선택형 중계기 코일을 이용한 전력 전달 효율 증가 및 전자기 간섭 감소 방법-
dc.typeThesis(Master)-
dc.identifier.CNRN325007-
dc.description.department한국과학기술원 :전기및전자공학부,-
dc.contributor.alternativeauthor심부교-
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