Harmonic torques in three-phase induction motors supplied by non-sinusoidal voltages

被引：2
|
作者：
de Abreu, JPG [1 ]
de Sá, JS [1 ]
Prado, CC [1 ]
机构：
[1] Itajuba Fed Univ, Electrotech Dept, Elect Engn Inst, BR-37500903 Itajuba, MG, Brazil
来源：
2004 11TH INTERNATIONAL CONFERENCE ON HARMONICS AND QUALITY OF POWER | 2004年
关键词：
harmonic torques; modeling; power quality; skin-effect; three-phase induction motor;
D O I：
10.1109/ICHQP.2004.1409430
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：
Low-short-circuit-capacity electric systems may present considerable distortion in the voltage waveform when supplying nonlinear loads. Three-phase induction motors when connected to such a system may suffer additional requirements during start-up as overheating in the rotor bars due to the skin effect, and mechanical vibrations in the shaft due to harmonic torques. This paper presents an approach to analyze the behaviour of the harmonic torques produced by three-phase induction motors when supplied by non-sinusoidal voltage, taking into account the skin-effect in the rotor bars and the saturation of the stator leakage reactance during start-up. It is important to notice that the analysis and the derived equations are based on ordinary data available in the manufacturer's catalogue.
引用
收藏
页码：652 / 657
页数：6
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