Cost-effective line termination net for IGBT PWM VSI AC motor drives

被引:0
|
作者
Fratta, A [1 ]
Pellegrino, GM [1 ]
Scapino, F [1 ]
Villata, F [1 ]
机构
[1] Politecn Torino, Dept Elect Engn, I-10129 Turin, Italy
关键词
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Full performance of series Line Termination Net has been already achieved by means of parallel ferrite-core inductors and not inductive power resistors, affecting integration and cost-effectiveness in medium-power PWM AC motor drives. A novel LTN design concept is here presented, namely IRONET, based on the exploitation of the inductor core loss as part of the wanted high-frequency LTN response. Iron cores are adopted instead of larger ferrite-core thanks to proper eddy-current density, set by design of lamination thickness and winding turns. The effective high-frequency behaviour of lossy power inductors is analysed and discussed, defining small-size R-C simple compensation. An IRONET prototype has been realised and tested for a 55kW-rated IGBT IM, showing IRONET effectiveness very close to full performance even by common .35mm laminations.
引用
收藏
页码:436 / 441
页数:2
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