The dielectric modulus Μ∗(ω) is used for studying the frequency domain response and activation energy (Ea) of transformer immersed cellulose insulation. Existing literatures show that the temperature is a crucial factor affecting the Μ∗(ω) and aging rate of transformer oil-paper insulation, while the Ea can be regarded as an indicator to reflect the average aging rate of the transformer immersed cellulose insulation. Therefore, the discussion of the temperature-dependence on both Μ∗(ω) and Ea is of great significance. This paper attempts to report an approach for understanding the temperature impact on both Μ∗(ω) and Ea. The obtained knowledge can be used to establish two available models for temperature correction on Μ∗(ω) and activation energy prediction of transform immersed cellulose insulation, respectively. These findings are expected to promote the reliability of the condition prediction result of transformer immersed cellulose insulation by using Μ∗(ω) and Ea technique.

中文翻译：

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油浸纤维素绝缘介电模量的温度校正和活化能预测

介电模量 Μ∗(ω) 用于研究变压器浸入式纤维素绝缘体的频域响应和激活能 (Ea)。现有文献表明，温度是影响变压器油纸绝缘的M*(ω)和老化率的关键因素，而Ea可以看作是反映变压器浸入式纤维素绝缘平均老化率的一个指标。因此，讨论 Μ∗(ω) 和 Ea 的温度依赖性具有重要意义。本文试图报告一种理解温度对 Μ∗(ω) 和 Ea 影响的方法。所获得的知识可用于建立两个可用模型，分别用于对 M*(ω) 的温度校正和转化浸没纤维素绝缘材料的活化能预测。