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이승환(Seung-Hwan Lee),김현민(Hyoen-Min Kimm),김희제(Hee-Je Kim),김수원(Su-Weon Kim) 대한전기학회 2013 전기학회논문지 Vol.62 No.3
Wireless power transmission introduced by Tesla has instrumented by many scientists of the world. This technique first was utilized as wireless communications such as radio in long range transmission. And contactless transmission using inductive property was used on white goods. In 2007, MIT’ lab introduced that new wireless power transmission by magnetic resonance which has about 50% efficiency and 2M transmission distances, it was a chance to refocus a new possibility of wireless power transmission. In this paper, using LC coupling compensate the short distances of contactless transmission, this simple method could transmit about 30㎝ distances. Using this approach, it can be solved the short transmission distances, a drawback of Electromagnetic inductive coupling method.