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变频器——感应电机调速系统的故障分析 被引量：1

Fault Analysis on Inverter-induction for Adjustable Speed System
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摘要 分析了变频器感应电机系统可能出现的故障工况 ,并对其中的一相开路故障进行了仿真。由仿真结果可以看出 ,在一相开路故障情况下 ,电磁转矩会出现很高的二倍频分量。低频脉动转矩的出现对系统的运行会带来不利影响 ,造成系统运行的不稳定 ,对此应通过一些控制策略如谐波注入法等进行改进。 The fault situation of inverter-induction for adjustable speed system is analyzed in the paper.The fault situation,when one phase is open,is simulated.Electromaget torque contains high two-times frequency component when one phase is open.The lower frequency pulsates torque affects the operation of inverter-induction system so that the system operation isn't stable.It can be improved by the control strategy of the harmonic injection method.
作者 秦祖泽 杨向宇 黄绍平
机构地区 湖南工程学院 华南理工大学
出处 《湖南工程学院学报（自然科学版）》 2001年第1期13-18,共6页 Journal of Hunan Institute of Engineering(Natural Science Edition)
关键词 变频器 感应电机 系统 故障分析 一相开路故障 电磁转矩 低频脉动转矩 inverter induction motor system fault analysis
分类号 TM921.51 [电气工程—电力电子与电力传动]
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参考文献3

  • 1A.C. Smith, R. C. Healeyand,S,Williarnson. A transient induction motor model including saturation and deep bar effect. IEEETrans. on Energy Conversion. Vol. EC - 11, pp. 8～ 15,1996
  • 2K. Debaprasad,B. K. Bose. Investigation of fault modes of voltage- fed inverter system for induction motor drive. IEEE Trans.on Ind. Appl. ,Vol. Ia- 30 ,pp. 1028～ 1037
  • 3汤蕴璆.电机理论与运行[M].北京:水利电力出版社,1982..

共引文献2

同被引文献25

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湖南工程学院学报（自然科学版）
2001年 第1期

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