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shaft voltages
相关语句
  轴电压
     Effects of large capacity PWM inverter on AC motor bearing currents and shaft voltages
     大容量PWM逆变器对交流电机的轴电压和轴承电流的影响
短句来源
     This paper introduces the effects of PWM inverter on AC motor bearing currents and shaft voltages, focuses on the causes, effects, and remedies.
     本文就在大容量 PWM逆变器供电情况下 ,逆变器对交流电机的轴承造成损坏的起因 ,影响和补救措施作了综述 ,着重介绍了所产生的轴电压和轴承电流对轴承的损坏作用
短句来源
  相似匹配句对
     Blind Shaft
     盲井
短句来源
     Shaft of Minibus
     微型汽车主动圆锥齿轮轴断裂分析
短句来源
     Effects of large capacity PWM inverter on AC motor bearing currents and shaft voltages
     大容量PWM逆变器对交流电机的轴电压和轴承电流的影响
短句来源
     This paper introduces the effects of PWM inverter on AC motor bearing currents and shaft voltages, focuses on the causes, effects, and remedies.
     本文就在大容量 PWM逆变器供电情况下 ,逆变器对交流电机的轴承造成损坏的起因 ,影响和补救措施作了综述 ,着重介绍了所产生的轴电压和轴承电流对轴承的损坏作用
短句来源
     The voltages are realized by SVM-PWM.
     计算出的电压矢量由空间电压矢量脉宽调制方法实现。
短句来源
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  shaft voltages
The shaft voltages consist of peaks with a time constant of some μs.
      
The operation of large electrical machines like turbo-generators with ratings of several hundred MVAs by static frequency converters can cause shaft voltages of several hundred volts.
      
Medium frequency shaft voltages in large frequency converter driven electrical machines
      
The approach reduces the capacitive and induced shaft voltages by more than 80% in the examined 1.4MW induction motor drive.
      
Reduction of capacitive and induced shaft voltages in an induction motor drive using dual-bridge inverter approach
      
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This paper introduces the effects of PWM inverter on AC motor bearing currents and shaft voltages, focuses on the causes, effects, and remedies.

本文就在大容量 PWM逆变器供电情况下 ,逆变器对交流电机的轴承造成损坏的起因 ,影响和补救措施作了综述 ,着重介绍了所产生的轴电压和轴承电流对轴承的损坏作用

This paper has a discussion on some problems occurring frequently during installation and application on site,conformation of protection degree to various of corrosive environment, shaft voltage measurement of explosionproof motor, etc.

针对防爆电气设备在现场安装使用过程中出现的问题、腐蚀环境与防护等级的配合及防爆电机轴电压的测量等进行了讨论。

Aiming at the bearing failure of the frequency-conversion motor, the bearing failure mechanism and failure process when the motor is fed by the high-frequency PWM inverter are investigated in this paper. It is discovered that the chief reasons of the bearing failure of the frequency-conversion motor are the shaft voltage and bearing currents aroused by the PWM pulses. Lastly, the simulation results of the shaft voltage and bearing currents are presented in this paper.

针对变频电机出现的轴承损坏问题 ,研究了电机在高频PWM逆变器驱动下轴承失效机理和失效过程 ,变频电机轴承损坏的一个主要原因是由PWM脉冲序列引起的电机轴电压和轴承电流

 
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