Resumen (inglés):
Is applicable to alternating current and direct current bushings
for rated voltages above 52 kV, mounted on transformers, other
apparatus of buildings. It is accepted that for bushings for rated
voltages less than or equal to 52 kV, due to their characteristics
(resonance frequency greater than 25 Hz) seismic qualification is
not required.
Has the status of a technical report type 2.
