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Transient temperature coefficient conductor material

Temperature coefficient of electrical resistivity of the conductor material at the start of the transient, IEC 60853-2, Section 8.3, Amendment 1 - 2008, Note of eq. 8-3.

Symbol
$\alpha_{c,t}$
Unit
1/K
Formulas
$\frac{1}{\beta_c+\theta_a+\Delta \theta_{d,t}}$
Related
$\alpha_c$
Temperature coefficient conductor material [1/K]
$\beta_c$
Reciprocal of temperature coefficient conductor material [K]
$\Delta \theta_{d,t}$
Transient temperature rise by dielectric losses [K]
$\theta_a$
Ambient temperature [°C]
Used in
$\delta \theta_{\alpha,t}$
Corrected transient temperature rise conductor [K]