H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 3/50 (2006.01) H02K 3/40 (2006.01)
Patent
CA 2144046
The object of the invention is a low-part-load and mechani- cally reliable fixing for a high-voltage winding which can also be easily manufactured. The winding is fixed in the region of its head with a glass-fibre tube (1) passing around each winding rod (2). The glass-fibre tube is surrounded by a woven glass or polyester struc- ture. In order to obtain good mechanical strength the glass-fibre tubes (1) are filled with a resin. In order to prevent partial dis- charges in the interstices (4) formed by the glass-fibre tube (1) and the rod or winding insulation (3), the glass-fibre tube is coated with a semiconducting polymer. The purpose of the elastic polymer coat- ing is to provide a seal when resin is injected into the woven glass tube. In addition, the entire potential distribution between the two conductors and coil or rod insulation is shifted in favour of the glass tube, thus preventing the ionisation of the interstices.
Muller Franz
Mussbacher Gunther
Elin Energieversorgung Gesellschaft Mbh
Gowling Lafleur Henderson Llp
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