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Comparison of Efficiency for Different Switching Tables in Six-Phase Induction Motor DTC Drive
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  • Comparison of Efficiency for Different Switching Tables in Six-Phase Induction Motor DTC Drive
  • Comparison of Efficiency for Different Switching Tables in Six-Phase Induction Motor DTC Drive
저자명
Taheri. Asghar,Rahmati. Abdolreza,Kaboli. Shahriyar
간행물명
Journal of power electronics : JPE
권/호정보
2012년|12권 1호|pp.128-135 (8 pages)
발행정보
전력전자학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

In this paper, different switching tables proposed for the Direct Torque Controlled (DTC) of a six-phase induction machine are simulated and implemented. A six-phase induction motor has 64 space voltage vectors which result in increased complexity in the selecting of inverters switching. The unsuitable selection of a switching table leads to large harmonics especially at low speed and it also reduces drive efficiency. A six-phase induction machine has large zero sequence harmonic currents of the order $6{kappa}{pm}1$. These harmonic currents are varied in various techniques. Decreasing this loss is essential in a six-phase induction machine. The main purpose of this paper is to improve the ST-DTC of six-phase induction machines to reduce the voltage and current harmonics and the torque pulsation. Selecting a suitable method for minimizing these harmonics is very important.