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논문 기본 정보

자료유형
학술대회자료
저자정보
Chun-An Cheng (I-Shou University) Chien-Hsuan Chang (I-Shou University) Hung-Liang Cheng (I-Shou University) Ching-Hsien Tseng (I-Shou University)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2015-ECCE Asia
발행연도
2015.6
수록면
1,240 - 1,245 (6page)

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초록· 키워드

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This paper proposes a novel single-stage lightemitting diode (LED) driver with coupled inductors and interleaved power-factor correction (PFC), suitable for streetlight applications. The presented LED driver integrates an interleaved boost PFC converter with coupled inductors and a half-bridge-type series-resonant converter cascaded with a full-bridge rectifier into a single-stage power-conversion circuit. Coupled inductors inside the interleaved boost PFC converter sub-circuit are designed to operate in discontinuous-conduction mode (DCM) for achieving input-current shaping, and the half-bridge-type series-resonant converter cascaded with a full-bridge rectifier is designed for obtaining zero-voltage switching (ZVS) on two power switches to reduce their switching losses. Analysis of operational modes and design equations for the presented LED driver are described and included. In addition, the proposed driver features high power factor, low total-harmonic distortion (THD) of input current and soft-switching. Finally, a prototype 165W-rated LED driver is developed and tested with a utility-line input voltage of 110V. Satisfactory outcomes from experimental results demonstrate the feasibility of the proposed circuit.

목차

Abstract
I. INTRODUCTION
II. DESCRIPTIONS AND OPERATIONAL MODES ANALYSIS OF THE PROPOSED SINGLE-STAGE LED DRIVER
III. DESIGN EQUATIONS OF KEY PARAMETERS
IV. EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES

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