An easy way to explain the SELFRAG process is to imagine that we “compress” the energy of a standard kitchen hot plate into a little fraction of a second – and we do that several times within that second. The result is that you end up with a system consuming little average energy – like a kitchen hot plate - but and having the big power of several megawatts.

Like natural lightning a SELFRAG plant creates repetitive electrical discharges. It applies the electrical energy to materials immersed in a process liquid. Dielectric liquids, like water, have a high dielectric strength when voltage rise time is kept below 500 ns. As a result discharges are forced through the immersed material. The introduced electrical energy is then transformed into an acoustical shockwave resulting into a huge tensile stress regime within the material.
Photograph of a discharge in a SELFRAG process vessel

Breakdown voltage as a function of time