Insulation of small and medium size motors - IGBT inverter fed

被引：1
|
作者：
Bell, S
Sung, JS
机构：
来源：
1997 IEEE INTERNATIONAL ELECTRIC MACHINES AND DRIVES CONFERENCE RECORD | 1997年
关键词：
D O I：
10.1109/IEMDC.1997.604333
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The latest IGBT type of adjustable speed drives (ASD's) produce over voltage with extremely high carrier frequency. The frequency may be as high as 20khz. Motors which are designed for low voltage sinusoidal power run more efficiently and quieter under this condition. However, the insulation in small and medium size motors may experience undesirable aging. This aging usually leads to premature failure of motors sometimes days or months after startup. Even new motors make this an issue. Harsh application conditions may also add to the problem. This paper will present approaches taken to deal with the motor insulation concerns of applying ASD power to less than 1000 V three phase motors.
引用
收藏
页码：WC131 / WC133
页数：3
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