The Delta-Rectifier: Analysis, control and operation

被引：19

作者：

Greul, Roland ^{[1
]}

Round, Simon D. ^{[1
]}

Kolar, Johann W. ^{[1
]}

机构：

[1] ETH, Power Elect Syst Lab, CH-8092 Zurich, Switzerland

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2006年 / 21卷 / 06期

关键词：

pulsewidth modulation (PWM); total harmonic distortion (THD);

D O I：

10.1109/TPEL.2006.882961

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：

The three-phase Delta-Rectifier is formed by a delta-connection of single-phase pulsewidth modulation (PWM) rectifier modules and has the advantage that it can provide full rated output power in the case of a mains phase loss. In this paper the Delta-Rectifier, implemented with a standard (two-level and/or three-level) boost converter, is analyzed based on an equivalent star connection. Analysis of the Delta-Rectifier shows a redundancy in the switching sates concerning the input voltage formation. Furthermore, the Delta-Rectifier has reduced current ripple in the mains phase currents if the modulation is implemented with synchronized PWM. 4, disadvantage of two-level Delta-Rectifier is the higher voltage stress on the switching devices; however this is mitigated when the Boost converter is implemented with a three-level topology as realized for a 10.5-kW laboratory prototype. The Delta-Rectifier concept is proposed based on theoretical considerations and is verified experimentally. The influence of non-idealities on the current ripple formation in the practical realization is analyzed and a high quality mains phase current is demonstrated.

引用

页码：1637 / 1648

页数：12

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