Rigid insulation when the brake down and then lose the insulation condition permanently. Brake down of the occurrence mechanism rigid insulation is quite complex, depending on the duration of the voltage or electric input.
Rigid insulation when insulation breakdown, you lose permanently. Mechanism of breakdown of rigid insulation is quite complex. Depending on the time Remains of pressure Or electric field, enter
Solid dielectric breakdown, then you lose when insulation condition permanently. Mechanism of breakdown of solid insulation is complicated by depending on the time, remain of voltage or electric field enter .