A novel DC-link voltage control of PWM-switched cascade cell multi-level inverter applied to STATCOM

被引：0
|
作者：
Fujii, K [1 ]
De Doncker, RW [1 ]
Konishi, S [1 ]
机构：
[1] Univ Aachen, Rhein Westfal TH Aachen, Inst Power Elect & Elect Drives, D-5100 Aachen, Germany
来源：
Conference Record of the 2005 IEEE Industry Applications Conference, Vols 1-4 | 2005年
关键词：
medium voltage converter; multi-level inverter; DC-link control; Cascade Cell;
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：
The Cascade Cell Multi-Level Inverter (CCMLI) is a multi-level inverter topology, which offers the advantage of avoiding clamping devices. Usually, this inverter is switched in block mode, i.e. single pulse operation. However, this operation needs a high number of levels or large filters to achieve an adequate THD of the current. To improve performance, it should be switched with PWM when it is connected to transmission lines. If a CCML is used as a STATCOM with PWM switching, a DC-link control method has not yet been proposed till present. The authors developed a novel method to control each DC-link voltage individually and verified it with a lab model and various simulations.
引用
收藏
页码：961 / 967
页数：7
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