Comparison of properties of two basic variants of combined star-delta stator winding of induction machines

被引：2
|
作者：
Schreier, L. [1 ]
Bendl, J. [1 ]
Chomat, M. [1 ]
机构：
[1] Inst Thermomech CAS, Dept Elect Engn & Electrophys, Dolejskova 5, Prague 18200, Czech Republic
来源：
ELECTRICAL ENGINEERING | 2018年 / 100卷 / 03期
关键词：
Induction machine; Combined star-delta winding; Energy efficiency; Higher spatial harmonics;
D O I：
10.1007/s00202-018-0695-7
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：
Two basic variants of combined star-delta stator windings of induction machines are analysed. The aim of the use of the combined winding is to suppress a chosen group of higher spatial harmonics of the current layer and magnetic flux density in the air gap and the magnetic flux in the yoke. The suppression of the higher spatial harmonics results in decreasing the losses and improving the energy efficiency of the machine. The differential equations are stated for both the considered variants. On the basis of the numerical solution of these equations, the ability of individual variants to suppress higher harmonics has been shown. The validity of the equations has been verified by experimental measurements on a physical model of an induction machine with the combined star-delta stator winding.
引用
收藏
页码：2155 / 2164
页数：10
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