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논문 기본 정보

자료유형
학술저널
저자정보
Fangang Meng (Harbin Institute of Technology) Zhongcheng Man (Harbin Institute of Technology) Quanhui Li (Harbin Institute of Technology) Lei Gao (Harbin Institute of Technology)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.18 No.6
발행연도
2018.11
수록면
1,697 - 1,707 (11page)

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초록· 키워드

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In this paper, two large current rectifiers are proposed based on two wye-connected autotransformers. The requirements of the ideal large current rectifier are analyzed, and it is concluded that the large current rectifier has a higher power density and a higher energy conversion efficiency when it is made up of two three-phase half-wave rectifiers and a wye-connected autotransformer. According to theoretical analysis results, the two novel wye-connected autotransformers are designed to feed two three-phase half-wave rectifiers. The two autotransformers can generate two groups of three-phase voltages with a 60o phase shifting, and their kVA ratings account for 95% and 80% of the load power, respectively. These values are less than those of a double star rectifier at 30% and 46%. From the input mains and output side, the power quality of the proposed rectifiers is the same as that of the double star rectifier. Some experiments validate the correctness of the theoretical analysis.

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Abstract
I. INTRODUCTION
II. TOPOLOGIES OF THE TWO PROPOSED RECTIFIERS
III. DISCUSSION OF RECTIFIERS USING THE PROPOSED AUTOTRANSFORMERS
IV. EXPERIMENTAL RESULTS
V. CONCLUSION
REFERENCES

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