High voltage alternate current isolating switch and earthing switch combination
A technology of isolating switch and grounding switch, which is applied in the field of combination of high-voltage AC isolating switch and grounding switch, can solve the problems that it is difficult to meet the current performance and insulation performance of the power system, and the rated current is low, and achieve a compact structure and high insulation level. Effect
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[0014] like figure 1 As shown in -6, the combination of the high-voltage AC isolating switch and the grounding switch includes a metal shell 2, an insulating partition 3, a moving contact of the isolating switch 4, a static contact of the isolating switch and a static side shielding structure 5, and an arcing contact of the isolating switch 6. Earthing switch moving contact 7, earthing switch static contact 8, insulating pull rod 9, ball screw 10, isolating switch moving side shielding structure 11, isolating switch operating mechanism 12, earthing switch operating mechanism 13, screw Spring 14, sulfur hexafluoride gas 15, metal coupling body 16, compression spring 17, leaf spring 18, operating mechanism 12 for isolating switch is connected with ball screw 10 through insulating pull rod 9, the central axis of ball screw 10 Co-rotating with the insulating pull rod 9, the bushing on the ball screw 10 pushes the moving contact 4 of the isolating switch fixed on the bushing of the...
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