Electrical steel is mainly characterized by its magnetic properties, i.e. the specific total loss and the magnetic polarization. In addition, mechanical and physical properties as well as coating and workability can strongly influence the performance and the cost of the resulting electric machine. Key parameters, limits and interaction of mechanical and magnetic properties achieved by an optimization of non-grain-oriented (NGO) electrical steel have been reviewed. The changes due to elevated temperature have been under particular interest. Therefore, ThyssenKrupp Electrical Steel GmbH develops application-specific NGO electrical steel grades to fulfill the demands of each specific motor design and to improve its efficiency. They are continuously improving properties and production of electrical steel in order to support customers in building high-efficient electric machines around the world. With the technological background of the complete ThyssenKrupp group in topics of simulation, prototype manufacturing and measuring, SE-ES has a big spectrum to assist its partners in the optimization of new machines or to improve existing machines relating to efficiency and costs. The main target of ThyssenKrupp Electrical Steel GmbH is to generate productivity advantages for their technology driven customers.
Application-specific development of nonoriented electrical steel for EV traction drives
2012
5 Seiten, 20 Bilder, 3 Tabellen, 11 Quellen
Conference paper
English
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