变压器油中气体色谱分析中以模糊综合评判进行故障诊断的研究

在对传统比值法的编码组合进行模糊化处理和统计及分析的基础上得到了编码－故障模糊关系矩阵Ｒｆ；以现场用常现色谱方法检测到的特征气体比值所对应的２７组编码组合的隶属度作为特征输入矢量，通过综合评判求得故障输出矢量，并确定出故障类型。结果表明，应用本文建立的模糊关系矩阵对变压器故障进行综合评判诊断的方法是有效的。

Study on Fault Diagnosis of Transformer DGA Method with Fuzzy Multi-Criteria Analysis

After fuzzy procession of codes and code sets of gas ratio method,and on the base of statistical analysis,a fuzziness relationship matrix which links the code to the fault kinds is obtained.According to the ratio of typical gases detected by DGA method,using the 27 groups of menbership degree of code sets as the fuzzy input,through fuzzy multi-criteria analysis,we can get the fault output and confirm the fault kinds.Applying this method to diagnose faults of transformer,the effectiveness of this method has been proved.