Research on motor terminal over-voltage caused by high-frequency PWM pulse

被引：0
|
作者：
Wan, Jian-Ru [1 ]
Lin, Zhi-Qiang [1 ]
Yu, Hua-Jun [1 ]
机构：
[1] Tianjin Univ., Tianjin 300072, China
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2001年 / 21卷 / 11期
关键词：
Capacitors - Electric cables - Electric current distribution - Electric impedance - Electric motors - Equivalent circuits - Overvoltage protection;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper investigates the principle of motor terminal over-voltage by analyzing the transmission and reflection of PWM pulse wave on cable using transmission line theory. The relations between the over-voltage, cable and carrier-frequency are established by simulations based on the system model in which the changes of cable and motor parameter are presented because of high frequency of reflected pulse wave. Finally, the designed impedance-matching terminator effectively reduces the transient over-voltage.
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页码：43 / 47
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