Phase Leg Voltage Balancing of a Cascaded H-Bridge Converter Based STATCOM using Zero Sequence Injection

被引：0
|
作者：
Summers, T. J. [1 ]
Betz, R. E. [1 ]
Mirzaeva, G. [1 ]
机构：
[1] Univ Newcastle, Sch Elect Engn & Comp Sci, Callaghan, NSW 2308, Australia
来源：
EPE: 2009 13TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS, VOLS 1-9 | 2009年
关键词：
Static Synchronous Compensator; Multilevel Converter;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In cascaded H-bridge wye and delta connected STATCOMs the phase leg capacitor voltages can diverge, even under ideal balanced voltage conditions, due to different leg losses and capacitor values. This paper presents a novel strategy for achieving phase leg voltage balance for wye and delta connected STATCOMs by making use of zero sequence injection into the STATCOM. The proposed strategy also makes the STATCOM leg voltages tolerant to terminal voltage imbalance.
引用
收藏
页码：2655 / 2664
页数：10
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