지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 윤덕용
- 발행연도
- 2018
- 저작권
- 공주대학교 논문은 저작권에 의해 보호받습니다.
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This paper proposes four sector select methods and six voltage vector output methods for direct torque control of 2-phase induction motor using 3-leg inverter. Direct torque control has been applied to 3-phase induction motor and many studies are under way. Because output voltage vector of the 3-leg 2-phase inverter has an asymmetric hexagonal shape, if the conventional direct torque control is applied, the current ripples and torque ripples of the motor increase, and desired control performance can not be obtained. Therefore, in order to apply direct torque control technology to a 2-phase induction motor using a 3-leg inverter, asymmetrical output characteristics must be considered.
This paper proposes the sector select methods for determining the position of stator flux and the voltage vector output methods for outputting optimal voltage vector required by the controller. The proposed methods are divided into four groups by analyzing and comparing torque ripple, phase current waveform, Lissajous figure and THD of phase currents etc. It is expected that it will be useful for designing the motor control system to have the desired characteristics by selecting appropriate method. The proposed methods are applied to a 2-phase induction motor of 360[W] class using a 3-leg inverter and verified through computer simulation and experiments.
This paper proposes the sector select methods for determining the position of stator flux and the voltage vector output methods for outputting optimal voltage vector required by the controller. The proposed methods are divided into four groups by analyzing and comparing torque ripple, phase current waveform, Lissajous figure and THD of phase currents etc. It is expected that it will be useful for designing the motor control system to have the desired characteristics by selecting appropriate method. The proposed methods are applied to a 2-phase induction motor of 360[W] class using a 3-leg inverter and verified through computer simulation and experiments.
목차
Ⅰ. 서 론 1Ⅱ. 2상 유도전동기의 모델링 41. 2상 유도전동기의 수학적 모델링 42. 3레그형 2상 인버터 토폴로지 63. 직접토크제어 기법 10Ⅲ. 2상 유도전동기를 위한 직접토크제어 171. 섹터 결정 방식 172. 전압벡터 출력 방식 31Ⅳ. 시뮬레이션 및 실험 결과 371. 시뮬레이션 결과 372. 실험 결과 53Ⅴ. 결 론 67참고문헌 69Abstract 72
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