| abstract |
The present invention relates to a solid insulating material, in particular in the form of a tape, its use in a vacuum impregnation process and an insulation system produced therefrom as well as an electrical machine with the insulation system, in particular for the medium and high voltage range, i.e. For medium and high voltage machines, especially rotating electrical machines in the medium and high voltage range and semi-finished products for electrical switchgear. The solid insulating material and the insulating system produced therefrom are characterized in that it can be prepared anhydride-free, wherein the curing catalyst is a mixture of 1H-imidazole and/or 1H-imidazole derivatives with compounds containing oxirane groups adduct. |