Braking and pulsating torques of induction motors with voltage control due to semiconductor failure

被引：0
|
作者：
Jaschke, R
机构：
[1] Universität der Bundeswehr Hamburg,Fachbereich Elektrotechnik, Elektrische Maschinen und Antriebe
来源：
ELECTRICAL ENGINEERING | 1997年 / 80卷 / 02期
关键词：
D O I：
10.1007/BF01245963
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：
Contents The calculation of unsymmetric a.c. and d.c. currents, pulsating and braking torques in asynchronous three-phase machines caused by a semiconductor failure is presented by symmetrical components. Neglecting the stator resistance a simple solution is obtained describing the worst case. The exact calculation requires the analysis of the switching conditions of the semiconductor. While starting, pulsating and braking torques arise to a multiple of the rated torque. By means of experimental investigations on a 11 kW motor the analytical-numerical method is verified.
引用
收藏
页码：135 / 144
页数：10
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