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PWM逆变器对电机端子过电压的影响 被引量:1

Influences of PWM Inverter on Over-voltage of Induction Motor Terminal
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摘要 建立了从PWM逆变电源、电缆到电机的传动系统模型,考虑了振荡频率对电缆参数的影响。通过仿真电机端子上的PWM脉冲反射波瞬间电压,建立反射波峰值电压与上升时间和电缆长度之间的关系。本模型基于Matlab仿真软件下,允许改变上升时间、电缆长度、电机功率等参数,简单明确,仿真速度快,并经实验验证了仿真结果和模型的正确性。 The model of the drive system which includes PWM inverter, cable and induction motor is established, The influence of oscillation frequency on cable parameters is thought about. By imitating the trasienl voltage of the PWM reflect wave of the induction motor terminal the relations of reflect wave peak value with rise-time and cable length are established. This model is base on the Matlab imitation software. The parameters such as rise-time, cable length, motor power can be changed. The method is simple and explicit. It is also fast in imitation speed. The model correctness and imitation results are verified by examination.
出处 《电源技术应用》 2002年第5期188-191,共4页 Power Supply Technologles and Applications
关键词 PWM 逆变器 电机端子 过电压 峰值电压 高频模型 Rise-time Cable PWM pulse Peak value voltage Motor high-frequency model
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参考文献6

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  • 2G. Skibinski,R. J. Kerkman,D. Leggate.Cable Characteristics and Their Influence on Motor Over-Voltages[].IEEE APEC Conference Proceedings.1997
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同被引文献3

  • 1E.PERSSON.Transient Efects in Application of PWM Invertera to Induction Motors[J],IEEE Translnd. hppl. 1992 : 1095-1100.
  • 2ANNETTE VON JOUANNE,DUDI ARENDUSARA,PRASAD N ENJETI.Filtering techniques to minimize the effect of long motor leads on PWM in- verter-fed AC motor drive system[J].IEEE Trans,on In dustry Applications, 1996,32(4) : 919-925.
  • 3刘学忠,徐传骧.PWM变频调速电动机端子上过电压的抑制[J].中国电机工程学报,2001,21(8):84-88. 被引量:29

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