Method for producing high-voltage generator and stator with stator winding in circular cross section
A generator stator and stator winding technology, which is applied in the manufacture of motor generators, the shape/style/structure of winding conductors, and the shape/style/structure of winding insulation, etc., can solve the problems of complicated equipment, large eddy current loss and rated output voltage. Small problems, etc., to achieve the effect of high overall efficiency, improved availability, and improved reliability
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[0021] Specific implementation mode 1: This embodiment is described with reference to Figs. 1-11. This embodiment is composed of a stator and a rotor; the stator is composed of a frame 1, an iron core 2, a stator winding 3, and a heat dissipation water pipe 4; the cross section of the stator winding 3 is Round; the stator winding 3 is composed of a conductor 3-1, an inner semiconductor layer 3-2, an insulating layer 3-3, and an outer semiconductor layer 3-4 from the inside to the outside. The conductor 3-1 is a single-stranded wire or twisted Multi-stranded wires, the outer semiconductor layer 3-4 is connected to the ground potential; a wave-shaped winding slot 2-1 is opened along the radial direction of the iron core 2; the stator winding 3 is placed in the wave-shaped winding slot 2-1 of the iron core 2, The stator winding 3 is in clearance fit with the wave-shaped winding slot 2-1; at least four circular heat dissipation slots 2-2 are uniformly opened in the circumferential dir...
Example Embodiment
[0022] Embodiment 2: This embodiment will be described with reference to FIGS. 4-7. The difference between this embodiment and Embodiment 1 is that the insulating layer 3-3 of the stator winding 3 placed in the wave-shaped winding slot 2-1 is evenly wound on On the inner semiconductor layer 3-2. Other components and connection modes are the same as in the first embodiment.
Example Embodiment
[0023] Specific embodiment 3: This embodiment will be described with reference to Figs. 8-11. The difference between this embodiment and the first embodiment is that the stator windings 3 placed in the wave-shaped winding slot 2-1 are divided into m groups, m≥2, The thickness groups of the insulating layers 3-3 of the stator winding 3 from the first group distributed in the circumferential direction from the center of the iron core 2 to the m-th group gradually increase. Other components and connection modes are the same as in the first embodiment. The insulation 3-3 of the stator winding 3 in this embodiment adopts stepwise winding. This is because the induced voltage of the generator gradually increases from the neutral point of the stator winding to the end of the wire, which makes the cable produce different changes along the winding direction. Electrical stress. Therefore, thinner insulation is used in the first few turns of the winding, and the subsequent turns increase the ...
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