bronimpedantieFormule property

Implementation

String get bronimpedantieFormule =>
    isNL ? 'Z_b = (u_cc/100) × (U²_sec / S_n)  |  U_sec = 400 V  |  Primaire Z_net verwaarloosd (∞ Sk)'
         : 'Z_b = (u_cc/100) × (U²_sec / S_n)  |  U_sec = 400 V  |  Primary Z_net neglected (∞ Sk)';