Design and Optimization of a 9-phase Axial-Flux PM Synchronous Generator with Concentrated Winding for Direct-Drive Wind Turbine

Vizircanu,; Brisset,; Brochet,

doi:10.1109/ias.2006.256797

Cited by 11 publications

(5 citation statements)

References 4 publications

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“…It needs to be emphasized though that there is no evidence at present of any industrial uptake of such solutions. Permanent-magnet synchronous multiphase generators [210]- [212] may become a viable solution for the direct-driven applications in wind-powered plants, while multiphase induction generators with multiple threephase windings may have a prospect for applications in standalone self-excited generating systems in rural areas [213] and low-power hydroelectric plants [214].…”

Section: Multiphase Machines In Electric-energy Generationmentioning

confidence: 99%

Multiphase Electric Machines for Variable-Speed Applications

Levi

2008

IEEE Trans. Ind. Electron.

1,860

795

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Although the concept of variable-speed drives, based on utilization of multiphase (n > 3) machines, dates back to the late 1960s, it was not until the mid-to late 1990s that multiphase drives became serious contenders for various applications. These include electric ship propulsion, locomotive traction, electric and hybrid electric vehicles, "more-electric" aircraft, and high-power industrial applications. As a consequence, there has been a substantial increase in the interest for such drive systems worldwide, resulting in a huge volume of work published during the last ten years. An attempt is made in this paper to provide a brief review of the current state of the art in the area. After addressing the reasons for potential use of multiphase rather than three-phase drives and the available approaches to multiphase machine designs, various control schemes are surveyed. This is followed by a discussion of the multiphase voltage source inverter control. Various possibilities for the use of additional degrees of freedom that exist in multiphase machines are further elaborated. Finally, multiphase machine applications in electric energy generation are addressed.Index Terms-Multiphase electric machines, multiphase variable-speed drives, multiphase voltage-source inverters (VSIs).

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Section: Multiphase Machines In Electric-energy Generationmentioning

confidence: 99%

Multiphase Electric Machines for Variable-Speed Applications

Levi

2008

IEEE Trans. Ind. Electron.

1,860

795

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“…Furthermore, a 2.7 MW AFPM machine with two PM rotors and one stator was considered for large wind turbines [48]. The comparative study was performed for various 5 MW topologies and 9-phase AFPM machine with concentrated winding [49]. The 10 MW iron-less AFPM machine was examined for offshore wind turbines with especial consideration on weight minimization [50].…”

Section: B Axial Flux Pm Machinementioning

confidence: 99%

A Review on Transverse Flux Permanent Magnet Machines for Wind Power Applications

et al. 2020

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Transverse flux permanent magnet (TFPM) machines are a potential candidate for directdrive wind power application due to high torque and power densities. The operating principle of TFPM machines is firstly described with various topologies available in literature, with the placement of magnets as a criterion for the classification of TFPM machine topologies. This review includes characteristics, power factor improvement, cogging torque minimization, material consideration, modelling techniques, and scalability. Different wind turbine concepts with direct-drive machines, control techniques and power converter topologies are also considered in this paper. INDEX Permanent magnet, topologies, transverse flux, and wind power.

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“…Zero-sequence components are omitted from the consideration and are therefore not included in (6), since the machine has two isolated neutral points. Two pairs of real variables that result after application of (6) onto phase quantities (α−βand x−y) can be combined into corresponding space vectors [4].…”

Section: Six-phase Induction Machine Modelmentioning

confidence: 99%

“…Multiphase generators have been studied much less than multiphase variable-speed drives and this remains to be an interesting topic, especially for WECS. In particular, multiphase machines with multiple three-phase windings are very convenient for WECS and several studies, employing six-phase and nine-phase generators, have been conducted recently [5,6]. Companies, as GAMESA Electric, also propose WECS, using eighteen-phase generator with six back-to-back three-phase converters [7].…”

Section: Introductionmentioning

confidence: 99%