DC Capacitor Voltage Balancing Control for Delta-Connected Cascaded H-Bridge STATCOM Considering the Unbalanced Grid and Load Conditions

被引：0

作者：

Jung, Jae-Jung ^{[1
]}

Lee, Joon-Hee ^{[1
]}

Sul, Seung-Ki ^{[1
]}

Son, Gum Tae ^{[2
]}

Chung, Yong-Ho ^{[2
]}

机构：

[1] Seoul Natl Univ, Dept Elect & Comp Engn, Seoul, South Korea

[2] LS Ind Syst Co Ltd, HVDC Syst, Anyang, South Korea

来源：

2016 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2016年

关键词：

static synchronous compensator(STATCOM); cascaded h-bridge converter(CHB); cluster balancing; leg balancing; flicker compensation; MULTILEVEL ACTIVE RECTIFIER; COMPENSATION; CONVERTER; PWM; INVERTERS;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this paper, a comprehensive control scheme for a delta-connected cascaded h-bridge (CHB) converter based static synchronous compensator(STATCOM) is presented, especially focusing on improving dynamic performance by novel feedforward control method. The method can conspicuously improve the dynamics of circulating current regulation of delta connected CHB STATCOM especially under grid fault condition as well as load unbalance without excessive DC cell capacitor voltage fluctuation. The full scaled simulation results and the down scaled experimental results verify that stable operation is guaranteed for both emulated grid and load unbalance conditions.

引用

页数：8

共 50 条

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