Temperature Normalization Model
A new temperature normalization model based on the Havriliak-Negami model improves condition assessment accuracy of oil-paper insulation below -40°C.
Wenrui, Tian · Huimin, Ren · Yang, Dingqian · Feng, Yuxuan · Zhang, Daning · Li, Yuan · Zhang, Guanjun
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society 2025
The temperature normalization model achieves a goodness of fit of 0.9757 in low-temperature environments.
Compared with the traditional method, it adds 5 to 7 frequency data points and achieves full-frequency range correction.
In samples with high moisture content, the goodness of fit is 0.9822.