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두 대의 유도전동기 구동을 위한 5-레그 인버터의 향상된 속도제어 기법
- Alternative Title
- Improved Speed Control Method of Two-Induction Motor Fed by a Five-leg Inverter
- Author(s)
- 임영설
- Alternative Author(s)
- Young-Seol Lim
- Advisor
- 이교범
- Department
- 일반대학원 전자공학과
- Publisher
- The Graduate School, Ajou University
- Publication Year
- 2018-08
- Language
- kor
- Keyword
- 5-레그 인버터; 유도전동기; 듀얼 전동기 구동; 공통 레그의 전류 최소
- Alternative Abstract
- 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.
- Fulltext
- Appears in Collections:
- Graduate School of Ajou University > Department of Electronic Engineering > 3. Theses(Master)
- Files in This Item:
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