摘 要：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，直流偏磁对变压器振动噪声的影响，详细论述了变压器的振动机理和现有普遍对变压器直流偏磁的研究方法与方向。
关键词：变压器；直流偏磁；振动噪声
Abstract: 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
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