A series-connected hybrid triple converter system

被引：2
|
作者：
Li, DS [1 ]
Fukuda, S
Kubo, Y
机构：
[1] Hokkaido Univ, Grad Sch Engn, Sapporo, Hokkaido 060, Japan
[2] Hokkaido Univ, Grad Sch Informat Sci & Technol, Sapporo, Hokkaido 060, Japan
来源：
ELECTRICAL ENGINEERING IN JAPAN | 2005年 / 153卷 / 03期
关键词：
multiconverters; hybrid converter; high efficiency; STATCOM;
D O I：
10.1002/eej.20210
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：
This paper proposes a hybrid multiconverter system aiming at a large-capacity high-voltage high-efficiency converter system free from harmonics in its input/output. The system consists of n (n: integer) GTO converters and a single neutral-point-clamped IGBT converter connected in series by n + 1 output transformers. The GTO converters operate in a square-wave switching mode while the IGBT converter operates in a PWM switching mode. The former produces a base part of the resultant output voltage. The latter not only produces an additional part of the resultant output voltage, but offsets the voltage harmonics generated by the GTO converters. A basic voltage control strategy for the hybrid converter system is proposed, and its validity is verified by experimental results. (C) 2005 Wiley Periodicals, Inc.
引用
收藏
页码：64 / 70
页数：7
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