Five-level inverter scheme for an open-end winding induction machine with less number of switches

被引：25
|
作者：
Figarado, S. [1 ]
Sivakumar, K. [1 ]
Ramchand, R. [1 ]
Das, A. [1 ]
Patel, C. [1 ]
Gopakumar, K. [1 ]
机构：
[1] Indian Inst Sci, CEDT, Bangalore 560012, Karnataka, India
来源：
IET POWER ELECTRONICS | 2010年 / 3卷 / 04期
关键词：
MODE VOLTAGE ELIMINATION; MOTOR DRIVE; MULTILEVEL INVERTER; PWM INVERTER; CONVERTER; 2-LEVEL; COUNT; GENERATION;
D O I：
10.1049/iet-pel.2009.0058
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Higher level of inversion is achieved with a less number of switches in the proposed scheme. The scheme proposes a five-level inverter for an open-end winding induction motor which uses only two DC-link rectifiers of voltage rating of Vdc/4, a neutral-point clamped (NPC) three-level inverter and a two-level inverter. Even though the two-level inverter is connected to the high-voltage side, it is always in square-wave operation. Since the two-level inverter is not switching in a pulse width modulated fashion and the magnitude of switching transient is only half compared to the convention three-level NPC inverter, the switching losses and electromagnetic interference is not so high. The scheme is experimentally verified on a 2.5 kW induction machine.
引用
收藏
页码：637 / 647
页数：11
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