H - Electricity – 01 – B
Patent
H - Electricity
01
B
337/82, 310/94
H01B 3/30 (2006.01) C08K 3/22 (2006.01)
Patent
CA 1299260
ABSTRACT OF THE DISCLOSURE: An electrical conductor is provided with an electrical insulation surrounding the conductor and a surrounding protective layer which protects the insulation against degradation caused by corona. The protective layer consists of an organic polymer containing at least 10 percent by volume of a powdered filler in the form of chromium oxide, iron oxide, or a mixture of chromium oxide and iron oxide. The filler preferably has an intrinsic resistivity of 104-108 ohm m. The thickness of the protective layer is preferably smaller than the thickness of the underlying insulation and its resistivity preferably exceeds 101° ohm m. The conductor is used, among other things, in windings and coils for electrical machines.
562224
Hjortsberg Arne
Holmstrom Goran
Johansson Lennart
Karlsson Thommy
Asea Brown Boveri Ab
Robic
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