Influence of PWM characteristics on the core losses due to harmonic voltages in PWM fed induction motors

被引：0
|
作者：
Khomfoi, S [1 ]
Kinnares, V [1 ]
Viriya, P [1 ]
机构：
[1] King Mongkuts Inst Technol, Fac Engn, Dept Elect Engn, Bangkok 10520, Thailand
来源：
2000 IEEE POWER ENGINEERING SOCIETY WINTER MEETING - VOLS 1-4, CONFERENCE PROCEEDINGS | 2000年
关键词：
PWM; inverter; harmonic voltages; core losses; modulation depth; modulation frequency; switching frequency and PWM strategy;
D O I：
暂无
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 paper focuses on mechanisms of harmonic core losses due to PWM characteristics. The influence of PWM characteristics such as switching frequency, modulation depth and PWM strategy on core losses has been examined. The investigation into harmonic core losses based on no-load input power measurement with minimized rotor copper loss and rotational loss has been made. The experimental results show that the increment of core losses due to PWM harmonic voltages is significant compared to a sinusoidal supply and the modulation depth has significant effect on machine core losses.
引用
收藏
页码：365 / 369
页数：3
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