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논문 기본 정보

자료유형
학술저널
저자정보
Changyuan Chang (Southeast University) Luyang He (Southeast University) Zixuan Cao (Southeast University) Dadi Zhao (Southeast University)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.18 No.6
발행연도
2018.11
수록면
1,642 - 1,649 (8page)

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초록· 키워드

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A single-stage flyback LED AC-DC converter based on primary-side control under constant current mode is proposed in this study. The proposed converter features low total harmonic distortion (THD) and high power factor (PF). It also consists of a zero-crossing distortion compensation circuit and a variable duty ratio control compensation circuit to deal with the line current distortions caused by fixed duty ratio control. The system model and layout are built in Simplis and Cadence, respectively. The feasibility and performance of the proposed circuit is verified by designing and fabricating an IC controller in the HHNEC 0.35 μm 5 V/40 V HVCMOS process. Experimental results show that the PF can reach a level in the range of 0.985–0.9965. Moreover, the average THD of the entire system is approximately 10%, with the minimum being 6.305%, as the input line voltage changes from 85 VAC to 265 VAC.

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Abstract
I. INTRODUCTION
II. ANALYSIS AND CONSTRUCTION OF TWO KINDS OF COMPENSATION CIRCUIT
III. SIMULATION AND TEST VERIFICATION
IV. EXPERIMENTAL RESULTS
V. CONCLUSION
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