CPC H01B 3/305 (2013.01) [H01B 3/421 (2013.01)] | 17 Claims |
1. A magnet wire comprising:
a conductor; and an insulation system formed around the conductor, the insulation system comprising: a basecoat of first polymeric enamel insulation comprising THEIC polyester and having a first thickness that is between forty-five and sixty-five percent of a total thickness of the insulation system;
a midcoat of second polymeric enamel insulation formed around the basecoat and having a second thickness that is between twenty-five and forty percent of the total thickness, the second polymeric enamel insulation comprising a filler dispersed in a base polyamideimide material, the filler comprising between 20 percent and 80 percent by weight of silica dioxide and between 20 and 80 percent by weight of chromium oxide; and
a topcoat of third polymeric enamel insulation formed around the midcoat and having a third thickness that is between five percent and fifteen percent of the total thickness.
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