A Reliable Multilevel Inverter with Fault Tolerance

被引：0
|
作者：
Sabyasachi, Sidharth [1 ]
Borghate, Vijay B. [1 ]
Maddugari, Santosh Kumar [1 ]
Karasani, Raghavendra R. [2 ]
机构：
[1] VNIT, Dept Elect Engn, Nagpur, Maharashtra, India
[2] SRKR, Dept Elect Engn, Bhimavaram, AP, India
来源：
TENCON 2017 - 2017 IEEE REGION 10 CONFERENCE | 2017年
关键词：
multilevel inverter; asymmetrical and symmetrical structure; fault tolerance; pulse width modulation; INDUSTRIAL APPLICATIONS; CONVERTERS; MODULATION; TOPOLOGIES;
D O I：
暂无
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：
A reliable multilevel inverter with fault tolerance is proposed. It consists of two sources and six switches. The unipolarity voltage level produced by the proposed inverter is transformed to dual polarity with the help of H-bridge. The proposed inverter produces maximum 9 levels output voltage with asymmetrical source and 5 levels output voltage with symmetrical source in healthy condition. During any fault in the inverter, it continues to operate with reduced voltage levels. The various modes of operation of the circuit are explained with all possible open circuit switch fault. Variable frequency inverted sine carrier PWM switching technique is implemented to verify the circuit operation. The comparative graph of level count vs switch count is provided. The proposed circuit provides uninterruptible operation during fault condition which increases the reliability of the circuit. It is simulated with MATLAB SIMULINK and the results are provided for the validation.
引用
收藏
页码：557 / 562
页数：6
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