Control of an asymmetrical half-bridge dc filter used in 3-phase industrial rectifiers

被引：0
|
作者：
Salmon, J
Knight, A
机构：
来源：
2000 CANADIAN CONFERENCE ON ELECTRICAL AND COMPUTER ENGINEERING, CONFERENCE PROCEEDINGS, VOLS 1 AND 2: NAVIGATING TO A NEW ERA | 2000年
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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 transformerless igbt pwm asymmetrical half-bridge is described that regulates the de output current of a 3-phase diode rectifier operating with a de voltage rail. This 2-switch bridge can be designed with low per-unit voltage ratings, typically 10-15%, lowers the size of LC filter components, and guarantees equal current sharing between parallel rectifiers connected to the same ac supply. The higher conduction losses introduced is offset by using low voltage devices with lower on-state voltage drops, smaller filter components and an improved performance is obtained under balanced and unbalanced ac supply conditions.
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页码：1177 / 1181
页数：5
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