조명전기설비학회논문지 (Journal of the Korean Institute of Illuminating and Electrical Installation Engineers)

  • 제27권2호
  • /
  • Pages.84-94
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  • 2013
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  • 1229-4691(pISSN)
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  • 2287-5034(eISSN)
한국조명전기설비학회 (The Korean Institute of IIIuminating and Electrical Installation Engineers)
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TRIAC위상 제어 조광기에서의 LED구동을 위한 Single-Stage 준 공진형 PSR(Primary Side Regulation) PWM 컨버터

Single-Stage Quasi Resonant Type PSR(Primary Side Regulation) PWM Converter for the LED Drive in TRIAC Phase Controlled Dimmer

  • 투고 : 2012.11.15
  • 심사 : 2013.01.23
  • 발행 : 2013.02.28
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초록

In case when the existing TRIAC phase controlled dimmer is drove for the LED lighting equipments, there are many problems such as the LED flicker in low phase-angles, the acoustic noise and elements damage by increase of the peak voltage in the input filter capacitor, mulfunction by insufficiency of the TRIAC holding current, and the abnormal oscillation by LC resonant. In this paper, we proposes the single-stage quasi-resonant PSR(Primary Side Regulation) PWM converter, and the design, the simulation and experiment are performed. As a result, it could confirm that the proposed PWM converter is the lighting equipments for LED drive which can alternate the existing 60W class incandescent bulbs and it has the high drive performance of the efficiency 80% and over, the power factor 0.95 and over under the normal voltage 220V. Finally, total harmonic distortion(THD) is gratified with a standard[1] of the lighting equipments and the durability is evaluated as the high reliablilty of 150,000 hours and over.

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참고문헌

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