A High-Speed Magnetoelectric High-Power Generator
| Autor: | Flyur R. Ismagilov, I. Kh. Khairullin, Vyacheslav Vavilov |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Physics
Total harmonic distortion Rotor (electric) 020209 energy Acoustics 02 engineering and technology Converters computer.software_genre Simulation software Power (physics) law.invention Generator (circuit theory) law Magnet 0202 electrical engineering electronic engineering information engineering Electrical and Electronic Engineering Current density computer |
| Zdroj: | Russian Electrical Engineering. 89:388-392 |
| ISSN: | 1934-8010 1068-3712 |
| DOI: | 10.3103/s1068371218060056 |
| Popis: | The efficiency of increasing the power of a magnetoelectric generator (MEG) was investigated in the RMXprt module of the Ansoft Maxwell software package. The MEG under study has four poles. Its magnetic system consists of cylindrical permanent magnets equally spaced over the rotor diameter. The magnetization of the rotor permanent magnets has a radial direction. To determine the thermal state of the MEG, the Solid Works Flow Simulation software package was used. An estimation of efficiency of using the Halbach magnet system in high-speed magnetoelectric energy converters is presented. The influence of the ratio of the rotor pole arc to the pole pitch was investigated, and as a result of the studies it was found that decreasing the pole arc makes it possible to reduce a total harmonic distortion (THD), but a current density increases and short-circuit current decreases. Therefore, when using this method, it is necessary fully to determine all of these parameters. The research results were used as a basis for design of a high-speed liquid-cooled MEG with 450-kW power and a 50 000-rpm rotor speed. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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