High-voltage bushing of a rotating electric machine
A technology for high-voltage bushings and rotating electrical machines, applied in electromechanical devices, electrical components, electrical components, etc., to solve problems such as hydrogen leakage
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no. 1 approach
[0038] The following will refer to Figure 1 to Figure 9 A high-voltage bushing for a rotating electric machine according to a first embodiment of the present invention will be described.
[0039] figure 1 is a perspective view showing the inner diameter side of the hollow conductor 8 included in the high voltage bushing of the rotating electric machine according to the first embodiment of the present invention. figure 2 To show the axial cross-sectional view of the aforementioned hollow conductor 8 . image 3 is a sectional view of the aforementioned hollow conductor 8 and its peripheral portion when viewed from the axial direction.
[0040] Such as Figure 1 to Figure 3 As shown, the high voltage bushing of the rotating electric machine according to the first embodiment has a plurality of ventilation holes 14 . These vent holes 14 are formed at intervals from each other in both the axial direction and the circumferential direction of the hollow conductor 8 .
[0041] ac...
no. 2 approach
[0069] The following will refer to Figure 10 A second embodiment of the present invention will be described.
[0070] In the second embodiment, the same reference numerals are used to denote the same Figure 1 to Figure 3 The parts that are the same as those of the first embodiment shown in , and overlapped descriptions are omitted. In the following description, differences from the first embodiment are mainly explained.
[0071] Figure 10 It is a cross-sectional view of the hollow conductor 8 and its peripheral portion included in the high-voltage bushing of the rotating electrical machine according to the second embodiment of the present invention, when the conductor 8 and its peripheral portion are seen in a direction perpendicular to the axial direction.
[0072] The aforementioned first embodiment relates to the hollow conductor 8 in which the hollow conductor 8 is formed in the entire circumferential direction like figure 2The situation of multiple vent holes 14 i...
no. 3 Embodiment approach
[0077] In the third embodiment, the same reference numerals are used to indicate Figure 1 to Figure 3 Portions common to the first embodiment shown, and overlapping descriptions are omitted. In the following description, differences from the first embodiment are mainly explained.
[0078] Figure 11 is a cross-sectional view of the hollow conductor 8 and its peripheral portion included in the high voltage bushing of the rotating electric machine according to the third embodiment of the present invention, when the conductor 8 and its peripheral portion are viewed from a direction perpendicular to the axial direction.
[0079] Such as image 3 As shown, the foregoing first embodiment relates to the case in which the hollow conductor 8 is formed with a plurality of vent holes 14 having the same hole diameter at intervals in the axial direction. According to this third embodiment, the hollow conductor 8 is formed with a plurality of vent holes 14a, 14b, and 14c having differen...
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