A Common-Mode Shorting Network to Reduce Common-Mode Excitation of Three-Phase Two-Level Electric Drives

被引：1
|
作者：
Singh, Harshita [1 ]
Sudhoff, Scott D. [1 ]
机构：
[1] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA
来源：
IEEE OPEN ACCESS JOURNAL OF POWER AND ENERGY | 2023年 / 10卷
关键词：
Voltage; Impedance; Capacitors; Inductors; Resonant frequency; Rails; Inverters; Bearing currents; common-mode; common-mode shorting network; electric machine;
D O I：
10.1109/OAJPE.2022.3208792
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：
Common-mode voltage and current in an electric machine are undesirable. Although the strategic placement of a common-mode inductor and dc input side capacitors may reduce the common-mode current produced by an electric drive system, the effectiveness of this mitigation is a function of machine parasitic capacitance. This engenders the need to insert another electrical component into the system to effectively mitigate the common-mode current. With this purpose, a common-mode shorting network for an inverter-based drive system is proposed in this work. This network, in conjunction with a common-mode inductor and dc input side capacitors, reduces the machine common-mode voltage and current. The proposed approach is experimentally demonstrated.
引用
收藏
页码：14 / 24
页数：11
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