Reduction of common-mode currents in PWM inverter motor drives

被引：242
|
作者：
Cacciato, M [1 ]
Consoli, A [1 ]
Scarcella, G [1 ]
Testa, A [1 ]
机构：
[1] Univ Catania, Dept Elect Elect & Syst Engn, I-95125 Catania, Italy
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 1999年 / 35卷 / 02期
关键词：
common-mode currents; electric drives; electromagnetic compatibility; space-vector modulation;
D O I：
10.1109/28.753643
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Modern pulsewidth modulation (PWM) inverter motor drives are affected by dangerous common-mode currents due to the high rate of variation of the modulated voltage. An inexpensive alternative to low-pass filters, which are normally used to limit common-mode currents, consists in reducing such currents by using suitable modulation strategies, In this paper, a new approach for designing PWM strategies is presented, which is able to reduce common-mode currents by limiting the amount of variations of the common-mode voltage. The main characteristics of the proposed approach are experimentally evaluated on a standard PWM induction motor drive.
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页码：469 / 476
页数：8
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