Computation of thermal condition in an induction motor during star-delta starting

被引：2
|
作者：
Sarkar, D. [1 ]
Bhattacharya, N. K.
机构：
[1] Bengal Engn & Sci Univ, Dept Elect Engn, Sibpur, Howrah, India
[2] Jadavpur Univ, Dept Phys, Kolkata 700032, W Bengal, India
来源：
ELECTRIC POWER COMPONENTS AND SYSTEMS | 2007年 / 35卷 / 09期
关键词：
FEM; induction motor; thermal analysis; transients; design performance; APPROXIMATE ANALYSIS; FINITE-ELEMENTS; HEAT-FLOW;
D O I：
10.1080/15325000701250181
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：
The problem of two-dimensional heat flow in the stat or of induction motor is solved by use of a finite element formulation and arch-shaped elements in ther-plane of the cylindrical coordinate system.The shape functions and exact solution matrices are derived algebraically for utmost economy in computation. The temperature distribution has been determined considering convection from the stat or frame and cylindrical air-gap surface. Finally, the temperatures obtained by this two-dimensional approximation have been compared for different stat or currents considering the time required for each stat or current during the transient in star delta starting.
引用
收藏
页码：1041 / 1060
页数：20
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