王江彬,田铭兴,陈敏,赵远鑫

• 1:兰州交通大学自动化与电气工程学院

摘要(Abstract)：

由于零序分量的存在,三相四线制电路的不平衡补偿问题较三相三线制电路更复杂。该文基于Steinmetz理论的对称分量分析法考虑三相三线制系统负荷的平衡化补偿思路给出了三相四线制系统负荷不平衡电流的补偿方法,并给出3种约束方程下的补偿电纳模型。在三相四线制系统中,在已找到的3种约束方程条件下,对Y型联接的负荷进行零、负序电流补偿,并使系统功率因数提高到1。最后通过Matlab仿真表明,所提补偿理论不仅能实现不平衡电流的平衡化,还能使系统总功率因数接近于1,证明了所提补偿理论的正确性。

关键词(KeyWords)： 对称分量分析法;三相四线制;约束方程;零、负序电流补偿

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51167009);国家自然科学基金资助项目(51367010);; 甘肃省科技计划资助项目(1304WCGA181);; 兰州市科技计划资助项目(2013-4-111)

作者(Author): 王江彬,田铭兴,陈敏,赵远鑫

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