A Failure Mode for PWM Inverter-Fed AC Motors Due to the Antiresonance Phenomenon

被引：37
作者：
Mirafzal, Behrooz [1 ]
Skibinski, Gary L. [2 ]
Tallam, Rangarajan M. [2 ]
机构：
[1] Florida Int Univ, Dept Elect & Comp Engn, Miami, FL 33174 USA
[2] Rockwell Automat, Stand Drives Business, Mequon, WI 53092 USA
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2009年 / 45卷 / 05期
关键词：
Antiresonance; pulsewidth-modulation (PWM) voltage-source inverter (VSI); reflected wave; stator winding failure; voltage oscillation; PARAMETERS; CABLE;
D O I：
10.1109/TIA.2009.2027524
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A failure mode for pulsewidth-modulation inverter-fed ac motors due to the antiresonance phenomenon is introduced and investigated in this paper. At high frequencies, an ac motor behaves as a series RLC circuit with a resonance point, so-called antiresonance, typically above 1.0 MHz. If the voltage oscillation frequency caused by the reflected-wave phenomenon matches the motor antiresonance frequency, an amplified voltage will appear internally between the turns of the stator windings. This externally unobservable state can cause winding insulation failure in the ac motor. This phenomenon is experimentally verified using a rewound permanent-magnet motor with accessible taps along the stator windings, and the results are presented in this paper.
引用
收藏
页码：1697 / 1705
页数：9
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