Manufacturing method of air-cooled hydrogenerator VPI (Vacuum Pressure Impregnating) stator coil bar
A technology of vacuum pressure impregnation and hydro-generator, which is used in the manufacture of motor generators, electrical components, electromechanical devices, etc., can solve the problems of increasing the cross-sectional size of the wire, the difficulty of the insulation thickness, and the difficulty in ensuring that the requirements of the drawings are met. The effect of wide application prospects
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[0030] The invention relates to a method for manufacturing a VPI stator wire rod of an air-cooled water turbine generator. The VPI stator wire rod is composed of a straight part and two ends.
[0031] Such as figure 1Shown: The straight line part includes: wire narrow surface insulation pad 1, transposition insulation layer 2, wire composed of electromagnetic wire 3, insulation between wire rows 5, main insulation layer of wire rod 6, low-resistance anti-corona layer 7, inner shield layer 8;
[0032] Such as figure 2 As shown: the end part includes two or four rows of wires composed of wire narrow surface insulating pad 1, magnet wire 3, insulation between wire rows 5, main insulation layer 6 of wire rod, and anti-corona layer 9 at the end;
[0033] Such as image 3 As shown, the connection structure of the wire rod is as follows: the insulating spacer strip 1 on the narrow surface of the wire rod not only fills the transposition pits on the narrow surface of the wire rod,...
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