A HVDC grounding switch and a stationary contact component thereof
A technology of grounding switch and high-voltage direct current, which is applied in the field of high-voltage direct current grounding switch and its static contact assembly, and can solve the problems of difficulty in manufacturing the grounding switch and high cost
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[0017] Embodiments of the high voltage direct current grounding switch of the present invention: as Figure 1-6 As shown, it mainly includes a base 8, a moving contact 12, a static contact 2, a grounding knife 7 and an operating mechanism 4. The upper end of the static contact 2 is fixed with a pipe bus clip 6, through which the static The contact 2 is directly positioned and suspended on the pipe busbar 1, and a shielding system is also provided on the pipe busbar clamp 6. The shielding system is composed of an upper pressure equalizing ring 5 and a lower pressure equalizing ring 3, wherein the upper pressure equalizing ring 5 is fixed on the pipe busbar The top of the bus clamp 6, the lower equalizing ring 3 is fixed on the bottom of the tube bus clamp 6, the static contact 2, the tube bus clamp 6, the upper equalizing ring 5 and the lower equalizing ring 3 form a static contact assembly; the static contact 2. It includes a cylindrical guide cover 21, the lower end of which ...
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