摘 要：針對電力變壓器直流偏磁現象，對當前變壓器直流偏磁的研究進行了總結，對直流偏磁的研究方法及成果進行詳細分析。列出了直流偏磁產生的主要原因及其基本原理，直流偏磁對變壓器振動噪聲的影響，詳細論述了變壓器的振動機理和現有普遍對變壓器直流偏磁的研究方法與方向。
關鍵詞：變壓器；直流偏磁；振動噪聲
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
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