Solid insulation material
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United States of America Patent
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Sep 15, 2020
Grant Date -
Mar 21, 2019
app pub date -
Feb 8, 2017
filing date -
Mar 9, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
Various embodiments may include a solid insulation material, e.g. in tape form, the use thereof in a vacuum impregnation process, and/or an insulation system produced therewith and also an electrical machine having the insulation system, for the medium- and high-voltage sector. Some examples include rotating electrical machines in the medium- and high-voltage sector and also semifinished products for electrical switchgear. The solid insulation material and the insulation system produced therewith are characterized in that it can be produced in an anhydride-free manner, wherein the curing catalyst is, for example, an adduct of a 1H-imidazole and/or 1H-imidazole derivative with a compound containing oxirane groups.
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