夏正龙;史丽萍;杨晓冬;李倩倩;

• 1:中国矿业大学信息与电气工程学院

摘要(Abstract)：

电网电压不平衡现象在煤矿配电网中尤其严重,达不到国标要求。针对这种现象,提出一种改进的电网电压不平衡情况下链式STATCOM控制策略,一方面从全局、相间、相内三个层次,尤其是电网电压不平衡条件下控制直流侧电容电压平衡,另一方面通过正、负双序电流控制环对不平衡系统的无功和负序电流进行完全补偿。仿真分析与工业样机试验表明,所提出的链式STATCOM控制策略,不仅有效解决了不平衡环境下直流侧电容电压的平衡控制难题,并且提高了装置的抗不平衡能力。

关键词(KeyWords)： 电压不平衡;链式STATCOM;控制策略;直流电压平衡控制

Abstract:

Keywords:

基金项目(Foundation): 高等学校博士学科点专项科研基金资助项目(20110095110014)~~

作者(Author): 夏正龙;史丽萍;杨晓冬;李倩倩;

Email:

DOI: 10.13335/j.1000-3673.pst.2014.05.028

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