Compared with the steel core aluminum stranded conductor, the carbon fiber composite core conductor has the characteristics of high temperature resistance, and the conductor can operate at a temperature not lower than 160 ℃ for a long time, depending on the glass transition temperature (Tg) of the carbon fiber composite resin material (such as not lower than 190 ℃ ). Under extreme conditions, carbon fiber composite core conductors also do not allow long-term operation above the glass transition temperature. Therefore, it is necessary to study the temperature rise of the carbon fiber composite core conductor under some special operating conditions, such as the heating of the strain clamp and the short circuit grounding. The research results help to understand the safe operation performance of the new conductor.

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