Analysis and Modelling of Common-Mode Oscillations of Electrical Drive Systems with Active Front End and Long Motor Cables

被引：0

作者：

Weidinger, T. ^{[1
]}

Piepenbreier, B. ^{[1
]}

机构：

[1] Univ Erlangen Nurnberg, Chair Elect Drives, D-91058 Erlangen, Germany

来源：

2008 INTERNATIONAL SYMPOSIUM ON POWER ELECTRONICS, ELECTRICAL DRIVES, AUTOMATION AND MOTION, VOLS 1-3 | 2008年

关键词：

common-mode noise; EMC; EMI; modelling;

D O I：

10.1109/SPEEDHAM.2008.4581103

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper presents an analysis of common-mode oscillations in electrical drive systems. The analysed oscillations occur particularly in electrical drive systems with active front end, common DC-link and long shielded motor cables. Because of resonant frequencies at 10 to 40 kHz low damping occurs. In the concerned frequency range switching operations generate a significant excitation. As the focus of this paper the common mode system of an electrical drive system is analysed and modelled. The damping behaviour of the choke and the switching of active front end and inverters have to be analysed very carefully. Simulations and measurements show apparent voltage stressing of motors, common mode losses and currents that disturb the drive system.

引用

页码：906 / 911

页数：6

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