Definition and acquisition of CM and DM EMI noise for general-purpose adjustable speed motor drives

被引：19

作者：

Shen, W ^{[1
]}

Wang, F ^{[1
]}

Boroyevich, D ^{[1
]}

Liu, Y ^{[1
]}

机构：

[1] Virginia Polytech Inst & State Univ, Bradley Dept Elect & Comp Engn, Ctr Power Elect Syst, Blacksburg, VA 24061 USA

来源：

PESC 04: 2004 IEEE 35TH ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-6, CONFERENCE PROCEEDINGS | 2004年

关键词：

D O I：

10.1109/PESC.2004.1355562

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：

Separating conducted EMI noise into different modes, common mode (CM) and differential mode (DM), is important to the appropriate application of emission reduction techniques. While the CM/DM separation is well defined and understood for the single-phase or DC system, the same cannot be said for three-phase converter systems, common for general-purpose adjustable speed drives (ASD). Based on the study of CM and DM propagation characteristics of a three-phase diode-front converter, this paper identify different noise modes for different front-diode conducting patterns. The impact on EMI filter components by these noise modes is summarized. Finally, a time-domain based method is proposed to separate and acquire CM and DM noise components for the diode-front three-phase systems. Simulation and experimental verifications are presented.

引用

页码：1028 / 1033

页数：6

共 6 条

[1] PWM Impact on CM Noise and AC CM Choke for Variable-Speed Motor Drives
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[2] PWM Impact on CM Noise and Ac CM Choke for Variable-speed Motor Drives
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[5] A passive EMI filter with access to the ungrounded motor neutral line: Direct connection of a general-purpose inverter to a three-phase grounded voltage source
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[6] Enhanced Data Acquisition System of Current Signature for Diagnosis of Variable Speed Induction Motor Drives with Full ADC Range Utilization and Noise Cancellation
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