电力变压器直流偏磁研究综述

Summary of the Research on Transformer DC Magnetic Bias

针对电力变压器直流偏磁现象,对当前变压器直流偏磁的研究进行了总结,对直流偏磁的研究方法及成果进行详细分析。列出了直流偏磁产生的主要原因及其基本原理,详细论述了直流偏磁对变压器影响,对变压器直流偏磁的研究方法一般是通过实测建立相应的计算模型,进行模拟仿真计算,以及限流和隔直是抑制直流偏磁的主要方法。

The temporary researches on transformer DC magnetic biasing were summarized, and the researching methods and findings of transformer DC magnetic biasing were analyzed. The main reasons and basic theory of transformer DC magnetic biasing were introduced,and the influences of DC magnetic biasing to transformer were analyzed. The research method commonly is, establish corresponding calculate model by actual measure, simulate and calculate. The main restraining measures are limiting and isolating DC current