A CIRCUIT APPROACH TO FINITE-ELEMENT ANALYSIS OF A DOUBLE SQUIRREL CAGE INDUCTION-MOTOR

被引：18

作者：

BELMANS, R

FINDLAY, RD

GEYSEN, W

机构：

[1] CATHOLIC UNIV LEUVEN,DEPT ELECT ENGN,ELECT MACHINES & DRIVES LAB,B-3000 LOUVAIN,BELGIUM

[2] CATHOLIC UNIV LEUVEN,DEPT ELECT ENGN,ELECT MACHINES & DRIVES LAB,B-3000 LOUVAIN,BELGIUM

来源：

IEEE TRANSACTIONS ON ENERGY CONVERSION | 1990年 / 5卷 / 04期

关键词：

finite elements; Induction motors; torque-speed curves;

D O I：

10.1109/60.63145

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper presents a method for analysing the losses and the torque of an induction motor with double cage rotor. The tentative values for the currents for the analysis are found using an analytical procedure. The parameters of an equivalent circuit are then calculated from a finite element method. The actual current distribution in the rotor bars, including the eddy current distribution, results from the finite element solution. New current estimates are found from the obtained circuit which are used to establish a corrected field distribution. Using the losses due to eddy currents, the equivalent resistance of the rotor may be calculated, hence, the torque. Assuming linearity, the complex power yields the inductances. The resulting equivalent circuit can then yield a better estimate for the current. This constitutes an iterative procedure which can be continued to any desired convergence accuracy for the currents. © 1990 IEEE

引用

页码：719 / 724

页数：6

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