Simplified Design of Common-Mode Chokes for Reduction of Motor Ground Currents in Inverter Drives

被引：70
|
作者：
Muetze, Annette [1 ]
Sullivan, Charles R. [2 ]
机构：
[1] Graz Univ Technol, Inst Elect Drives & Machines, A-8010 Graz, Austria
[2] Dartmouth Coll, Thayer Sch Engn, Hanover, NH 03755 USA
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2011年 / 47卷 / 06期
关键词：
Common-mode (CM) current; CM voltage; converter-machine interactions; inductor design; variable-speed drives; LEAKAGE CURRENT; SYSTEMS;
D O I：
10.1109/TIA.2011.2170101
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A simplified design calculation for common-mode chokes for reducing motor ground currents provides insight on the effects of various parameters and allows easy design. Key simplifying assumptions are that the voltage rise time is short compared to the ring period and that the damping is small. Example designs for machines up to 450-mm frame size show how effective ground-current reduction is possible with small inexpensive single-turn chokes.
引用
收藏
页码：2570 / 2577
页数：8
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