Young Seol Lim, “두 대의 유도전동기 구동을 위한 5-레그 인버터의 향상된 속도제어 기법,” 아주대학교 공학석사 학위 논문, 2018. > Paper

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Thesis Young Seol Lim, “두 대의 유도전동기 구동을 위한 5-레그 인버터의 향상된 속도제어 기법,” 아주대학교 공학석사 학위 논문, 2018.

2018

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This paper proposes improved speed control for a five-leg inverter that drives the two induction motor used in various fields. The

improved control method includes two controllers: 1) The first controller controls slip frequency for maintaining the mechanical speed

of two motors equally under the any load condition. 2) The second controller controls the electrical phase angle difference between

the two motors for minimizing the common leg current because it can be twice higher than other leg`s current depending on the

operation condition of the two-motor. Additionally, stability criterion of the proposed two controllers is implemented. Analysis results

of maximum operation speed range and inverter efficiency shows the effectiveness of the improved speed control method. Finally,

experimental results demonstrate the performance of the improved speed control for FLVSI.

 

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