Direct Torque Control of Four-Switch Three Phase Inverter Fed Induction Motor Using a Modified SVM to Compensate DC-Link Voltage Imbalance

被引：0
|
作者：
Kazemlou, Sh. [1 ]
Zolghadri, M. R. [1 ]
机构：
[1] Sharif Univ Technol, Ctr Excellence Power Syst Management & Control, Sch Elect Engn, Tehran, Iran
来源：
2009 INTERNATIONAL CONFERENCE ON ELECTRIC POWER AND ENERGY CONVERSION SYSTEMS (EPECS 2009) | 2009年
关键词：
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：
In this paper the direct torque control (DTC) of the induction motor fed by four switch three phase inverter (FSTPI) is investigated. A modified space vector modulation (SVM) approach with optimal voltage vector sequence is proposed to compensate the effect of dc-link voltage variations caused by circulating phase current through the capacitor bank. SVM-DTC scheme of FSTPI fed induction motor is based on stator flux oriented control. According to simulation results, this approach significantly reduces the effect of dc-link voltage variation on the output torque, flux and current waveforms.
引用
收藏
页码：138 / 143
页数：6
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