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Manufacturing of Electromagnetic Components out of Electrical Steel Sheets

Manufacturing of Electromagnetic Components out of Electrical Steel Sheets
用电工钢板制造电磁元件
批准号:
255711578
负责人:
Professor Dr.-Ing. Wolfram Volk
金额:
$0.0万
依托单位国家:
德国
项目类别:
Research Units
财政年份:
2014
资助国家:
德国
项目状态:
已结题
起止时间:
2013-12-31 至 2017-12-31

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中文摘要
翻译
将电工钢加工成电驱动器的定子和转子芯会由于感应的机械应力而导致磁性材料性能劣化。结果是在电动机的操作期间增加的电损耗。特别是在切割电工钢板时,切割面区域的塑性变形会导致材料中残留较大的应力。在项目的第一阶段,可以演示各个剪切参数对电工钢磁性能的影响。然而,各个切削参数对磁性能的影响并不是相互独立的。他们通常互相影响。在项目第一阶段研究成果的基础上,必须制定全面的剪切切割策略,同时考虑到要生产的电驱动器的要求。在后续项目的框架内,有必要通过进一步使用含2.8 wt-%硅的电工钢合金来确保和扩展研究成果。剪切切割过程的分析继续平行的数值以及实验水平上。研究小组对电工钢的研究-内部和工业生产过程确保了结果在工业上的可移植性。除了对制造过程的磁效应进行纯研究外,还确保了结果在电机开发过程中的适用性。因此,在设计阶段就可以考虑降低磁电磁性能。在第二阶段的最后部分,通过演示器对研究结果进行了全面的保证。其目的是通过研究小组的发现来证明改善磁性材料性能的潜力。
英文摘要
Processing electrical steels to stator and rotor cores of electrical drives results in deteriorated magnetic material properties due to the induced mechanical stresses. Increased electrical losses during operation of the electric motor are the result. Particularly when cutting the electrical steel sheets, the plastic deformation in the area of the cut surface leads to large stresses remaining in the material.In the first phase of the project, the influence of individual shear cutting parameters on the magnetic properties of electrical steels could be demonstrated. However, the effects of individual cutting parameters on the magnetic properties are not independent of one another. They usually influence each other. On the basis of the findings from the first project phase, comprehensive shear cutting strategies must be developed taking into account the requirements for the electrical drive to be produced.Within the framework of the subsequent project it is necessary to secure and expand the findings by means of a further electrical steel alloy with 2.8 wt-% silicon. The analysis of the shear cutting process continues parallel on a numerical as well as on an experimental level. Investigations on electrical steels from the research group-internal and industrial production process ensure the transferability of the results for the industry.Apart from the pure investigation of the magnetic effect of the manufacturing process, the applicability of the results within the development process of electric motors is to be ensured. A consideration of reduced magnetic electromagnetic properties is thereby already possible during the design phase.A comprehensive assurance of the research results is made by means of a demonstrator in the last part of the second phase. It is intended to demonstrate the potential for improving magnetic material properties through the findings of the research group.
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