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| Content Provider | IET Digital Library |
|---|---|
| Author | Sakai, Kazuto Takishima, Kenta |
| Abstract | Electric aircrafts capable of moving in three dimensions cause creation of new industries and applications in society. Also, electric aircrafts operate on minimal energy with low emissions. However, an electric aircraft must be ultra-lightweight. To produce an ultra-lightweight machine for electric aircrafts, the authors proposed a machine in which electrical energy is converted between the stator and rotor through magnetic resonance coupling (MRC). This action causes electromagnetic resonance between the multiphase windings of the stator and rotor. Electromagnetic resonance coupling technology allows electrical machines to convert energy without a magnetic core, thereby allowing the production of ultra-lightweight machines. In this study, authors describe a machine with three-phase windings based on MRC and discuss its operating principles and the basic characteristics induced by MRC. A model of this MRC machine was subjected to magnetic analyses to assess its rotational energy conversion in a rotating machine and to understand its basic characteristics. Authors’ results confirmed that MRC machines without a magnetic core could convert magnetic energy between the stator and rotor and produce sufficient starting torque and power at a power factor of 1.0. Furthermore, the machine was highly efficient, and its torque increased with resonant frequency. |
| Starting Page | 4571 |
| Ending Page | 4575 |
| Page Count | 5 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 17, Jun (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2019/17 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8185 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2019-01-22 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution -Non Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) |
| Subject Keyword | A.C. Machine Basic Characteristic D.C. Machines Drive Electric Aircraft Electric Drive Electric Generators Electric Machines Electric Motors Electrical Energy Electrical Machine Electromagnetic Resonance Coupling Technology Finite Element Analysis Inductive Power Transmission Magnetic Core Magnetic Energy Magnetic Resonance Magnetic Resonance Coupling Mechanical Component Minimal Energy MRC Machine Operational Characteristic Resonant Frequency Rotating Machine Rotational Energy Conversion Rotor Rotors Starting Stator Stators Torque Ultra-lightweight Machine Converting Energy |
| Content Type | Text |
| Resource Type | Article |
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