A soft commutated neutral-point-clamped (NPC) inverter: Theory and experimentation

被引：0
|
作者：
Yuan, XM [1 ]
Barbi, I [1 ]
机构：
[1] Univ Fed Santa Catarina, Power Elect Inst, BR-88040970 Florianopolis, SC, Brazil
来源：
APEC '98 - THIRTEENTH ANNUAL APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, VOLS 1 AND 2 | 1998年
关键词：
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 soft commutation circuit aimed to substitute for the conventional snubber in GTO NPC inverter is presented in this paper. The small rating lossless auxiliary branch creates soft switching conditions for the main devices without having to subject them to extra voltage/current spikes or any modulation constraints. Hence it allows for considerable extension of tile power range and the frequency range of the main installation. Operation, analysis, and designing of the circuit as well as the experimental results from a prototype are detailed in the paper.
引用
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页码：537 / 543
页数：7
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