PWM变频调速电动机端子上电压特性的研究  

The Characteristics of Voltage Waveform Acting on the Terminal of PWM Inverter-Fed Motor

作　　者：刘学忠[1] 徐传骧[1] 

机构地区：[1]西安交通大学电气绝缘研究中心,710049

出　　处：《电工技术学报》2000年第5期26-29,共4页Transactions of China Electrotechnical Society

摘　　要：研究了脉宽调制 (PWM)变频调速电动机接线端子上的电压特性 ,给出了电动机和逆变器上电压波形的测量结果 ,并应用传输理论分析了产生脉冲上升沿的过冲高频振荡的波传播过程 ,讨论了电动机接线端子上电压特性与电缆参数的关系 ,以及改善电压特性要采取的初步措施。The characteristics of voltage waveform acting on the terminal of PWM inverter fed moter are investigated The measured results of voltage waveform on the motor and inverter terminals are presented respectively The processes of voltage wave propagating,producing high frequency oscillations on pulse,are analyzed using transmission theory The relationships of the voltage waveforms on motor terminal to the cable parameters are discussed Some taken measures for improving waveform are presented also

关 键 词：变频调速电动机 接线端子 电压特性 PWM 

分 类 号：TM344.6[电气工程—电机]