Kiwoo Park, “퍼지 제어 기법을 이용한 Z-소스 스파스 매트릭스 컨버터의 출력 성능 개선,” 아주대학교 공학석사 학위 논문, 2010. > Paper

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Thesis Kiwoo Park, “퍼지 제어 기법을 이용한 Z-소스 스파스 매트릭스 컨버터의 출력 성능 개선,” 아주대학교 공학석사 학위 논문, 2010.

2010

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This paper presents a novel Z-source Sparse Matrix Converter (ZSMC) and its fuzzy logic controller based compensation method

under unbalanced input voltage conditions. The ZSMC is developed based on the structure of a sparse matrix converter (SMC) to

reduce the number of unipolar power semiconductor switches and employs a Z-source network to overcome the inherent limitation

of the low voltage transfer ratio of the conventional matrix converters. Although the ZSMC is a two-stage converter, it directly

connects between a source and a load without any intermediate energy storage component at the dc-link except the Z-source

network for the boosting purpose. Therefore, the output of the ZSMC is directly affected by the disturbance in the input voltage

source. In this paper, the topology and operational principle of the ZSMC is described and its modulation strategy is explained. A

compensation method, based on a fuzzy logic controller, is presented to improve the output performance of the ZSMC under

unbalanced input voltage conditions. The simulation and experimental results are shown to verify the feasibility of the ZSMC and its

compensation method. 

 

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