An active circuit for cancellation of common-mode voltage generated by a PWM inverter

被引：0
|
作者：
Ogasawara, S
Ayano, H
Akagi, H
机构：
来源：
PESC'97: 28TH ANNUAL IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE - RECORD, VOLS I AND II | 1997年
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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：
This paper proposes an ''Active Common-noise Canceler (ACC)'' that is capable of eliminating the common-mode voltage produced by a PWM inverter. An emitter follower using complementary transistors and common-mode transformer are incorporated into the ACC, the design method of which is also presented in detail. A prototype ACC designed and constructed in this paper verifies the viability and effectiveness in a 3.7 kW induction motor drive using an IGBT inverter. Some experimental results show that the ACC makes significant contributions to reducing a ground current and a conducted EMI. In addition, the ACC can prevent an electric shock on a non-grounded motor frame and can suppress a motor shaft voltage.
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页码：1547 / 1553
页数：7
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