Development of Induction Heating Technique for controlling Stress Vector Magnetic Properties of Core Material for Low Loss Motor

2015 Fiscal Year Final Research Report

• Project/Area Number: 25820105
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Power engineering/Power conversion/Electric machinery
• Research Institution: Kagoshima University (2015); Oita University (2013-2014)
• Principal Investigator: Kai Yuichiro 鹿児島大学, 理工学域工学系, 准教授 (50595436)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: 鉄心材料 / モータ / 高効率 / 低損失 / 応力ベクトル磁気特性 / 誘導加熱

Outline of Final Research Achievements

This research reports new induction heating technique to control stress vector magnetic property of motor core materials for developing high efficiency motor. At first a new heating coil, which is used cylindrical magnetic flux concentration plate is made by using in order to heat the local part of the motor core. Next, the motor cores are heated by using the new developed heating coil. In addition the magnetic properties of the heated motor core is measured. As these results, it is possible to decrease the magnetic power loss about 40 % of the motor core by using the induction heating.

Free Research Field

磁気工学