전력전자학회논문지 (The Transactions of the Korean Institute of Power Electronics)

  • 제21권1호
  • /
  • Pages.42-48
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  • 2016
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  • 1229-2214(pISSN)
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  • 2288-6281(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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전자식 및 자기식 안정기 동시 호환 가능한 LED 구동회로

LED Driver Compatible with Both Electronic and Magnetic Ballasts

  • Gu, Hyun-Su (School of Electrical Eng., Kookmin University) ;
  • Choi, Yoon (School of Electrical Eng., Kookmin University) ;
  • Kang, Jeong-Il (Visual Display, Samsung Electronics. Co. Ltd.) ;
  • Han, Sang-Kyoo (POESLA, School of Electrical Eng., Kookmin University)
  • 투고 : 2015.11.11
  • 심사 : 2015.12.24
  • 발행 : 2016.02.20
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초록

Light-emitting diode (LED) drivers are recently replacing fluorescent lamps; these drivers can operate adaptively with various ballasts without modifying and removing such ballasts. To satisfy these trends, a LED driver that is compatible with both electronic and magnetic ballasts is proposed in this study. Unlike conventional LED drivers, the proposed driver has a ballast recognition circuit and a mode selection circuit to operate ballasts at optimal conditions. Therefore, it features low voltage stress, high efficiency, and good compatibility with both electronic and magnetic ballasts. Moreover, it can be compatible with a wide selection of ballasts from various manufacturers. To confirm the validity of the proposed LED driver, results of the theoretical analysis and experimental verification performed on a 15 W-rated prototype are presented.

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참고문헌

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