Common-Mode Voltage Attenuation of an Active Common-Mode Filter in a Motor Drive System Fed by a PWM Inverter

被引:0
|
作者
Takahashi, S. [1 ]
Ogasawara, S. [1 ]
Takemoto, M. [1 ]
Orikawa, K. [1 ]
Tamate, M. [2 ]
机构
[1] Hokkaido Univ, Grad Sch Informat Sci & Technol, Sapporo, Hokkaido 0600814, Japan
[2] Fuji Elect Co Ltd, 1 Fuji Machi, Hino, Tokyo 1928502, Japan
关键词
EMI; Active common-mode filter (ACF); Active common-noise canceller (ACC); Common-mode noise; PASSIVE EMI FILTER; LEAKAGE CURRENT; PERFORMANCE; REDUCTION; CURRENTS;
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
In previous work, the authors proposed an active common-mode filter (ACF) that is able to reduce the radiated noise from power cables connected to power converters and evaluated its radiated noise reduction effect by using an oscillator as a common-mode (CM) noise source. In this paper, this ACF is applied to a motor drive system fed by a PWM inverter, and the attenuation characteristics of the CM voltage are evaluated. In order to avoid saturation of the ACF, the combination of an active common-noise canceller and the ACF is discussed. The experimental results show that the system constructed in this paper can suppress the CM voltage produced by a PWM inverter over a wide frequency range, from 100 kHz to 100 MHz.
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页数:6
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