Operation of fault-tolerant inverters with DC-link midpoint connection for adjustable speed drives

被引：0
|
作者：
Gleissner, Michael [1 ]
Bakran, Mark-M. [1 ]
机构：
[1] Univ Bayreuth, Ctr Energy Technol, Dept Mechatron, Univ Str 30, Bayreuth, Germany
来源：
2018 20TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS (EPE'18 ECCE EUROPE) | 2018年
关键词：
Fault handling strategy; Variable speed drive; Fault tolerance; Multilevel converters; Voltage Source Converter (VSC); CONVERTER; TOPOLOGIES; COST;
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：
Some fault-tolerant three-phase inverters are based upon a reconfiguration to an inverter with only two active phases and a DC-link midpoint connection after any semiconductor failure. Thus, the maximum output voltage is halved and the DC-link midpoint capacitor voltage ripple depends on output frequency and output current of the inverter. These limiting effects on the operation range of adjustable speed drives as well as software and hardware based countermeasures are presented in this paper.
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页数：10
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