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논문 기본 정보

자료유형
학술대회자료
저자정보
Pengfan Xu (Xi’an Jiaotong University) Yue Wang (Xi’an Jiaotong University) Taiyuan Yin (Xi’an Jiaotong University) Shiyuan Yin (Xi’an Jiaotong University) Zhang Wang (Xi’an Jiaotong University) Kai Li (Xi’an Jiaotong University)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2019-ECCE Asia
발행연도
2019.5
수록면
1,185 - 1,191 (7page)

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With the development of new energy sources, more and more isolated islands are interconnected to grid through MMC. However, isolated islands systems are easily influenced by harmonic disturbances. The analytical analysis of the harmonic transfer characteristics between AC/DC side of the Modular Multilevel Converter (MMC) is of great significance for understanding the harmonic issues and stability analysis. In this paper, the quantitative analysis method of the harmonics on the DC-side excited by the AC-side harmonics of MMC is presented in this paper. First, the influence of harmonics on MMC electric system and control system is analyzed. Second, the equivalent MMC harmonic transfer model is established based on the average switching function. Finally, the analytical expression of DC-side harmonic transferred from AC-side is derived. A 232-level simulation model was built in MATLAB/Simulink. The accuracy and validity of the proposed analytical expression were verified by comparing the simulation results with the analytical results.

목차

Abstract
I. INTRODUCTION
II. THE BASIC PRINCIPLES OF MMC
III. HARMONIC TRANSFER MECHANISM
IV. SIMULATION AND EXPERIMENTAL RESULTS
V. CONCLUSION
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