Computation and measurements of the DC link current in six-phase voltage source PWM inverters for AC motor drives

被引：0
|
作者：
Bojoi, R [1 ]
Caponet, MC [1 ]
Grieco, G [1 ]
Lazzari, M [1 ]
Tenconi, A [1 ]
Profumo, F [1 ]
机构：
[1] Politecn Torino, Dipartimento Ingn Elettr Ind, I-10129 Turin, Italy
来源：
PCC-OSAKA 2002: PROCEEDINGS OF THE POWER CONVERSION CONFERENCE-OSAKA 2002, VOLS I - III | 2002年
关键词：
power converter design; electromagnetic compatibility (EMC);
D O I：
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：
Multiphase AC motor drives (with more than three phases) have some potential advantages as widely discussed in the literature. The DC-link capacitor size depends on the current rms value; in particular, if the drive is supplied by a DC source, the current requested to the capacitor is basically determined by inverter input current AC component. The analytical computation of the capacitor current rms value in the DC link of a voltage source PWM inverter, driving an induction motor, is extended from the common 3-phase systems to multiphase systems in general. In particular the six-phase - double star case has been analyzed in detail. The consistency of the analytical results have been tested through digital simulations. Furthermore, a 6-phase voltage PWM inverter prototype has been designed and built to supply a multiphase induction motor drive: the experimental results confirm the validity of the mathematical/simulation approach.
引用
收藏
页码：953 / 958
页数：4
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