Form-wound Stator Winding for High-Speed Induction Motors

被引：0
|
作者：
Khang, H. V. [1 ]
Saari, J. [2 ]
Arkkio, A. [3 ]
机构：
[1] Univ Agder, Dept Engn, Grimstad, Norway
[2] Ingersoll Rand, Ind Technol Div, Espoo, Finland
[3] Aalto Univ, Dept Elect Engn & Automat, Espoo, Finland
来源：
2014 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES (ICEM) | 2014年
关键词：
High speed induction motors; Form-wound stator winding; eddy currents loss; finite element analysis; temperature rise;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Random-wound stator windings of high-speed induction motors (HSIM) have serious problems with eddy-current losses because their circular copper wires are randomly distributed. As a result, the differences in the total electromotive forces induced in the parallel conductors cause high additional losses in random-wound windings. Moreover, the eddy-current losses are underestimated during design stage due to difficulties of modeling eddy-current effect in the random-wound windings. A form-wound stator winding is an alternative option to reduce those losses. A roughly designed model of form-wound winding is presented based on the original random-wound stator windings of HSIM. Time-discretized finite-element analysis (FEA) is used to model losses in a 300 kW HSIM with random and form-wound stator windings. Those losses are used as the input data for the temperature rise analysis to check temperature rise constraints of the designed machine. Possibilities using form-wound windings for HSIM are evaluated from the losses and temperature rise analysis.
引用
收藏
页码：169 / 175
页数：7
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