浙江电力

2018, v.37;No.263(03) 12-16

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模糊理论在电力变压器绝缘老化诊断中的应用
Application of Fuzzy Theory in the Insulation Aging Diagnosis of Power Transformer

许寅卿
XU Yinqing

摘要(Abstract):

为有效评估变压器绝缘老化状态,提出了基于模糊理论的绝缘老化评价模型。首先利用4种不停电检测变压器绝缘状态的方法进行参数测量,然后建立各参数的隶属度函数并将所测参数模糊化后得到4组独立的判据,再利用模糊综合评判法对多种因素进行整合计算并得出最终的诊断结果。最后通过多组实例证明该模型的有效性。
In order to evaluate the insulation aging of transformer effectively, this paper proposes an insulation aging evaluation model based on fuzzy theory. Four parameters measured by the method for testing the insulation state of the transformer without power failure are passed to establish the membership function of each parameter. After the parameters were blurred, 4 groups of independent evidence are obtained. Then the final diagnosis result is obtained by using the fuzzy comprehensive evaluation method. Finally, the validity of this model is proved by multiple examples.

关键词(KeyWords): 电力变压器;模糊理论;绝缘老化;评判模型
power transformer;fuzzy theory;insulation aging;evaluation model

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 许寅卿
XU Yinqing

DOI: 10.19585/j.zjdl.201803003

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