Corona-resistant dielectric based on polyimide film
Corona-resistant dielectric based on polyimide film
- New search for: Drachev, A.I.
- New search for: Pak, V.M.
- New search for: Drachev, A.I.
- New search for: Pak, V.M.
A manufacturing technology for corona-resistant polyimide film has been developed. The dielectric consists of polyimide film with thin layers deposited on both sides by means of the polymerization of silicone in a DC discharge. The thickness of the silicone layers applied is 0.05 to 0.1 micrometer. The corona-resistant film has been tested on copper-bus mockups in long-term exposure to an electric field. The conductivity of the film is investigated in the range of 20 to 200 deg C. In comparison with other familiar polymer dielectrics, the residual conductivity of the film is very low. Polarization of this dielectric does not lead to the formation of excess positive charge in its volume under the action of high electric fields. Thus, this layer is a barrier to charges injected into the delectric surface from the electrodes and the air gaps.
Document information
Corona-resistant dielectric based on polyimide film
Koronabeständiges Dielektrikum auf der Basis von Polyimidfilm
Russian Electrical Engineering ; 76 , 3 ; 57-59
2005
3 Seiten, 3 Bilder, 1 Tabelle, 4 Quellen
Article (Journal)
English
Beschichten , Dünnschichttechnik , Durchschlagfestigkeit , elektrische Leitfähigkeit , elektrischer Isolierstoff , Fahrmotor , Film (Synthesepapier) , Koronaentladung , Langzeitversuch , Materialeigenschaft , Messergebnis , Motorwicklung , Plasmapolymerisation , Polyimid , Prüfverfahren , Silicon (Polymer) , Temperaturbeständigkeit
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