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

被引:0
|
作者
Muetze, Annette [1 ]
Sullivan, Charles R. [2 ]
机构
[1] Univ Wisconsin, Dept Elect & Comp Engn, 1415 Johnson Dr, Madison, WI 53706 USA
[2] Dartmouth Coll, Thayer Sch Engn, Hanover, NH 03755 USA
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暂无
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
A simpli ed 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 450mm frame size show how effective ground-current reduction is possible with small, inexpensive, single-turn chokes.
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页码:2304 / 2311
页数:8
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