Temperature of screen

The formulae to calculate the loss factor for screen $\lambda_1$ use the resistance of the screen $R_{sh}$ at its maximum operating temperature. Because the temperature of the screen is a function of the current, $I_c$, an iterative method is used for the calculation.

Symbol
$\theta_{sc}$
Unit
$^{\circ}$C
Formulae
$- T_{1} \left(W_{c} + \frac{W_{d}}{2}\right) + \theta_{c}$
$\theta_{c}$
$W_{c}$
$W_{d}$
Used in
$R_{sc}$