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논문 기본 정보

자료유형
학술저널
저자정보
Rutian Wang (Northeast Electric Power University) Yanfeng Zhao (Northeast Electric Power University) Xingjun Mu (Fujian Yongfu Power Engineering Co) Weiquan Wang (Fujian Yongfu Power Engineering Co)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.18 No.1
발행연도
2018.1
수록면
81 - 91 (11page)

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초록· 키워드

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This paper proposes a double line voltage synthesis (DLVS) strategy for three-to-five phase direct matrix converters. In the proposed strategy, the input and expected output voltages are divided into 6 segments and 10 segments, respectively. In addition, in order to obtain the maximum voltage transfer ratio (VTR), the input line voltages and “source key” should be selected reasonably according to different combinations of input and output segments. Then, the corresponding duty ratios are calculated to determine the switch sequences in different segment combinations. The output voltages and currents are still sinusoidal and symmetrical with little lower order harmonics under unbalanced or distorted input voltages by using this strategy. In addition, the common mode voltage (CMV) can be suppressed by rearranging some of the switching states. This strategy is analyzed and studied by a simulation model established in MATLAB/Simulink and an experimental platform, which is controlled by a DSP and FPGA. Simulation and experimental results verify the feasibility and validity of the proposed DLVS strategy.

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Abstract
I. INTRODUCTION
II. OPERATIONAL PRINCIPLES OF THE DLVS STRATEGY
III. SUPPRESSION OF COMMON MODE VOLTAGE BY THE IMPROVED STRATEGY
IV. SIMULATION AND EXPERIMENTAL RESULTS
V. CONCLUSION
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