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논문 기본 정보

자료유형
학술저널
저자정보
Fan Jiang (Nanjing University of Aeronautics and Astronautics) Hong-juan Ge (Nanjing University of Aeronautics and Astronautics) Xiao-xu Dong (Nanjing University of Aeronautics and Astronautics) Lu Zhang (Nanjing University of Aeronautics and Astronautics)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.18 No.1
발행연도
2018.1
수록면
266 - 276 (11page)

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초록· 키워드

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This paper presents a new step-up and step-down multi-pulse auto-transformer rectifier unit (ATRU) topology. This structure can achieve a wide range of output voltages, which solves the problem of auto-transformer output voltage being difficult to regulate. Adding middle taps to the primary winding and reasonably setting the number of auto-transformer windings, constituted two groups of three-phase output voltages with a 30° phase difference. Multi-pulse output DC voltage is obtained after a three-phase output voltage across two rectifier bridges and inter-phase reactor. Thus, the output DC voltage is related to the number and configuration of the auto-transformer winding. In this paper, the relationship between the voltage ratio of the auto-transformer and the ratio of winding, input current and auto-transformer kilovoltampere rating are deduced and validated by simulations. On this basis, the output voltage range is optimized. An experiment on two different voltage ratio principle prototypes was carried out to verify the correctness of the analysis design.

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Abstract
I. INTRODUCTION
II. TOPOLOGY OF THE STEP-UP AND STEP-DOWN ATRU
III. VOLTAGE RATIO AND RATIO OF WINDING
IV. ANALYSIS OF INPUT AND OUTPUT CURRENT
V. KILOVOLTAMPERE RATING OF AUTO-TRANSFORMER
VI. SIMULATION ANALYSIS AND EXPERIMENT
VII. CONCLUSION
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