An Eleven-Level Inverter System for Dual-Fed Induction Motor Drive

被引：0
|
作者：
Rao, G. Sambasiva [1 ]
Sekhar, K. Chandra [1 ]
机构：
[1] RVR & JC Coll Engn, Dept Elect Engn, Chowdavaram 522019, Guntur, India
来源：
IEEE INTERNATIONAL CONFERENCE ON POWER ELECTRONICS, DRIVES AND ENERGY SYSTEMS (PEDES 2012) | 2012年
关键词：
Carrier based SPWM; Dual-fed induction motor; eleven-level inverter; reference sinusoidal signal; triangular carrier signal; PWM INVERTER;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, an eleven-level inverter system for dual-fed induction motor drive is described. The dual-fed structure is realized by opening the neutral-point of the conventional squirrel cage induction motor. The eleven-level inversion is obtained by feeding the dual-fed induction motor with an asymmetrical 4-level inverter from one end and a symmetrical 3-level inverter from other end. This inverter scheme does not experience neutral point fluctuations and uses a lesser number of DC sources compared to the series H-bridge topology. A multilevel carrier based Sinusoidal Pulse Width Modulation is implemented for the proposed drive where a progressive discrete DC bias depending upon the speed range is given to the reference wave to reduce the inverter switchings.
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页数：6
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