The paper analyses the influence on the analysis of transformer oil chromatogram induced by different sampling oil spot when conventional analysis of transformer oil chromatogram or on-line analysis of transformer oil chromatogram.

• 论文分析讨论了常规油色谱和在线油色谱分析时，不同取样点对变压器油色谱分析的影响，特别对变压器在线油色谱分析在确定和选择取样点时，一定要考虑变压器油循环方式、运行状态、变压器结构及油流分布、故障部位及严重程度等情况。