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¿µ¹® Ç¥Áظí Efficiency Calculation Method of Short-range Wireless Power Transfer System Using Magnetic Field(Technical Report)
ÇÑ±Û ³»¿ë¿ä¾à º» ±â¼úº¸°í¼­´Â ÀÚ±âÀåÀ» ÀÌ¿ëÇÑ ±Ù°Å¸® ¹«¼± Àü·Â Àü¼Û ½Ã½ºÅÛÀÇ ÃÖ´ë Àü·Â Àü¼Û È¿À² »êÃâ¿¡ ÇÊ¿äÇÑ ½Ã½ºÅÛÀÇ ¼º´É Áö¼ö¸¦ ÃøÁ¤À» ÅëÇÏ¿© ±¸ÇÏ´Â ¹æ¹ýÀ» Á¦½ÃÇÑ´Ù. ½Ã½ºÅÛÀÇ ¼º´É Áö¼ö´Â ¼Û¼ö½Å ÄÚÀÏ »çÀÌÀÇ °áÇÕ °è¼ö¿Í ¼Û¼ö½Å ÄÚÀÏÀÇ QÀÎÀÚ·Î ±¸ÇÒ ¼ö ÀÖ´Ù. µû¶ó¼­, °áÇÕ °è¼ö¿Í ÄÚÀÏÀÇ QÀÎÀÚ¸¦ ÃøÁ¤ ¹æ¹ýÀ» Á¦½ÃÇϰí, À̸¦ ÀÌ¿ëÇÏ¿© ÃøÁ¤µÈ ½Ã½ºÅÛÀÇ ¼º´É Áö¼ö¸¦ ¾ò´Â´Ù. º» ±â¼úº¸°í¼­¿¡¼­´Â µÎ °³ÀÇ ÄÚÀÏ ¶Ç´Â ³× °³ÀÇ ÄÚÀÏÀ» »ç¿ëÇÑ µÎ Á¾·ùÀÇ ±Ù°Å¸® ¹«¼± Àü·Â Àü¼Û ½Ã½ºÅÛ¸¸À» °í·ÁÇÑ´Ù.
¿µ¹® ³»¿ë¿ä¾à The measurement method for deriving figure-of-merit(FoM) that is necessary to derive maximum power transfer efficiency in a short-range wireless power transfer system using magnetic field is presented. The FoM of the system is determined by coupling coefficient between transmitting and receiving coils and quality(Q)-factor of the transmitting and receiving coils. Therefore, measurement method of coupling coefficient and Q-factor is explained and the measured FoM is obtained using the results.
In the technical report, only two types of wireless power transfer systems using two coils and four coils are considered.
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°ü·ÃÆÄÀÏ    TTAR-06.0163.pdf TTAR-06.0163.pdf
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