Thermal aging properties of pressboard in mineral oil and natural ester

@article{Zhou2016ThermalAP,
  title={Thermal aging properties of pressboard in mineral oil and natural ester},
  author={Jinhui Zhou and Jian Li and Ruijin Liao and Yandong Lv},
  journal={2016 IEEE International Conference on High Voltage Engineering and Application (ICHVE)},
  year={2016},
  pages={1-4}
}
This article aims to contrastively study the thermal aging characters under different temperature between natural ester and mineral oil-pressboard insulation system. The thermal aging experiment was conducted with copper flat bars together in a sealed stainless vessel at 130 °C for 80 days, and at 100 °C for 220 days separately. Some basic physicochemical and electric characteristics of oil and cellulose varied with aging time, including moisture content, acid value, viscosity, furfural content… CONTINUE READING

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