FIELD: electricity.
SUBSTANCE: invention relates to a glow discharge protection system for a high voltage machine including a shell body for a current carrying conductor of a high voltage machine, wherein the shell body has an electrically conductive varnish (10), wherein to the conductive varnish (10) a filler is added, wherein the filler is at least partially includes a thermally expandable filler. Invention also covers a repair varnish and a manufacturing method.
EFFECT: invention provides an improved in terms of erosion protection system against glow discharge.
26 cl, 3 dwg
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