Journal of Power Electronics

  • 제14권2호
  • /
  • Pages.341-350
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  • 2014
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  • 1598-2092(pISSN)
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  • 2093-4718(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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Smooth Torque Speed Characteristic of Switched Reluctance Motors

  • Zeng, Hui (School of Information and Electrical Engineering, China University of Mining and Technology) ;
  • Chen, Zhe (Department of Energy Technology, Aalborg University) ;
  • Chen, Hao (School of Information and Electrical Engineering, China University of Mining and Technology)
  • 투고 : 2013.07.24
  • 심사 : 2013.12.19
  • 발행 : 2014.03.20
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초록

The torque ripple of switched reluctance motors (SRMs) is the main disadvantage that limits the industrial application of these motors. Although several methods for smooth-toque operation (STO) have been proposed, STO works well only within a certain torque and speed range because of the constraints of the supply voltage and peak current. Based on previous work that sought to expand the STO range, a scheme is developed in this study to determine the maximum smooth torque range at each speed. The relationship between the maximum smooth torque and speed is defined as the smooth torque speed characteristics (STSC), a concept similar to torque speed characteristics (TSC). STSC can be utilized to evaluate torque utilization by comparing it with TSC. Thus, the concept benefits the special design of SRMs, especially for the generation of smooth torque. Furthermore, the torque sharing function (TSF) derived from the proposed method can be applied to STO, which produces a higher smooth torque over a wider speed range in contrast to four typical TSFs. TSimulation and experimental results verify the proposed method.

키워드

참고문헌

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피인용 문헌

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  2. Torque Ripple Minimization Scheme Using Torque Sharing Function Based Fuzzy Logic Control for a Switched Reluctance Motor vol.10, pp.1, 2015, https://doi.org/10.5370/JEET.2015.10.1.118
  3. Average torque control of switched reluctance machine drives for electric vehicles vol.9, pp.7, 2015, https://doi.org/10.1049/iet-epa.2014.0424
  4. Braking Torque Closed-Loop Control of Switched Reluctance Machines for Electric Vehicles vol.15, pp.2, 2015, https://doi.org/10.6113/JPE.2015.15.2.469
  5. Torque-ripple reduction of SRM using optimised voltage vector in DTC vol.8, pp.1, 2018, https://doi.org/10.1049/iet-est.2017.0090