Strip off-circuit tap-changer
A technology of tap changer and excitation, applied in electric switches, inductors, variable inductors, etc., can solve the problem of excessive switching operating torque, and achieve a compact structure with reduced switching operating torque, small lead bending radius and compact structure. Effect
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[0020] The present invention will be further described below in conjunction with accompanying drawing.
[0021] Such as Figure 1-2 As shown, this embodiment provides a bar-shaped off-excitation tap-changer, which includes an insulating rod 3 and a support frame 2. An operation positioning device 1 is installed on the support frame 2, and the lower end of the operation positioning device is set Drive the gear, the top of the insulating rod is provided with a rack mobile frame, the rack of the rack mobile frame is meshed with the gear of the operating positioning device 1, so that the rack mobile frame can move back and forth along the insulating rod longitudinally; on the insulating rod 3 Static contacts 4 are arranged at intervals along its length direction, and each phase static contact 4 is equipped with a moving contact assembly, which includes a moving contact bracket 8 and a clip installed in the moving contact bracket For the piece type moving contact, the moving conta...
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