Phase Current Reconstruction and Suppression in a Single Current Sensor Measurement-Based Four-Phase SRM-Integrated Drive System
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Le résumé fourni par la source
In this article, a compact single current sensor measurement-based four-phase switched reluctance motor (SRM)-integrated drive system is developed. Based on the current measurement characteristics of this drive system, the phase current reconstruction and demagnetization current suppression strategies are proposed. To ensure reliable operation of the SRM, two key issues are considered: 1) the four-phase current should be obtained from the only measured bus current signal and 2) as the nonconducting phases are unable to demagnetize normally with traditional control algorithms, serious negative torque effects exist. For the first issue, a four-phase current reconstruction method is proposed by decoupling the adjacent two-phase currents in the overlapping conduction regions. For the second issue, high-frequency pulses are injected in the shared upper power switch of the bridge arm where the conducting phase is located, providing rapid demagnetization for the other phase in the same bridge arm. The two methods are fully decoupled and can be integrated freely to achieve current reconstruction and demagnetization of current suppression. Based on these methods, a hybrid control algorithm that can satisfy the operation requirement in different speed ranges is developed for the SRM drive. Experiments have been implemented in an 8/6 structure SRM prototype-based system, and detailed experimental results verify the effectiveness of the proposed methods.
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Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.
- Titre Crossref
- Phase Current Reconstruction and Suppression in a Single Current Sensor Measurement-Based Four-Phase SRM-Integrated Drive System
- Date Crossref
- 01/01/2025
- Éditeur
- Institute of Electrical and Electronics Engineers (IEEE)
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
Où se fait cette recherche
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Nanjing University of Information Science and Technology pays non établi dans la noticeUniversité ou école supérieure
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Nanjing University of Posts and Telecommunications pays non établi dans la noticeUniversité ou école supérieure
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Northwestern Polytechnical University pays non établi dans la noticeUniversité ou école supérieure
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and the School of Automation CICAEET pays non établi dans la noticeUniversité ou école supérieure
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College of Automation pays non établi dans la noticeUniversité ou école supérieure
Nanjing University of Information Science and Technology, Nanjing University of Posts and Telecommunications et Northwestern Polytechnical University, avec 2 autres affiliations.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.