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首页> 外文会议>Congress of the International Council of the Aeronautical Sciences; 20060903-08; Hamburg(DE) >A NEW HIGH POWER DENSITY GENERATION SYSTEM
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A NEW HIGH POWER DENSITY GENERATION SYSTEM

机译：新型高功率密度发电系统

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A trend of increased Electric Power in Aircraft stresses the need of robust, low weight systems with low losses. New hard and soft magnetic materials have made it feasible to work with high speed and high frequency. Applications of new soft magnetic materials and hard magnetic materials like NeFeB magnets have enabled high density power generation systems. A new concept comprising a high speed PM-generator system and a magnetic amplifier control is presented. Magnetic amplifiers are used in the power supply of the Electronic Flight Control System in the Swedish "Gripen" fighter-aircraft. This technology is attractive in More Electric Aircraft (MEA) systems due to the possibility to achieve a compact, robust and a highly reliable system with low losses. Applications of new soft magnetic materials, such as amorphous magnetic alloys, have enabled the use of magnetic amplifier (magamp) technology in the design of competitive electric power converters. This paper presents a studied design on a 20-40 kW generator system including a +/- 270V controlled output, performed by magnetic amplifier technology. This work addresses the power generator, and the power converter. High speed PM-generators are offering high power density. The impact of operating a generation system with higher frequency and an increasing number of poles as well as the advantages with new soft magnetic materials is studied. The iron losses and the copper losses are analyzed for the generator, and the power converter.
机译：飞机中电力增加的趋势强调了对坚固，重量轻，损耗低的系统的需求。新的硬磁和软磁材料使高速，高频工作成为可能。新型软磁材料和诸如NeFeB磁体之类的硬磁材料的应用使高密度发电系统成为可能。提出了一个新的概念，包括一个高速永磁发电机系统和一个磁放大器控制。磁放大器用于瑞典“鹰狮”战斗机的电子飞行控制系统的电源。由于有可能实现紧凑，耐用且高度可靠的系统且损耗低，因此该技术在“更多电动飞机（MEA）”系统中具有吸引力。诸如非晶磁性合金之类的新型软磁材料的应用使得能够在竞争性电源转换器的设计中使用磁放大器（magamp）技术。本文介绍了一种20-40 kW发电机系统的研究设计，该系统包括通过磁放大器技术执行的+/- 270V控制输出。这项工作针对发电机和功率转换器。高速永磁发电机可提供高功率密度。研究了运行具有更高频率和更多极数的发电系统的影响，以及新型软磁材料的优势。分析发电机和功率转换器的铁损和铜损。

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