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Single-pole disconnector with vacuum switching tube as auxiliary contact system

A technology of vacuum switch and isolating switch, which is applied to switches with movable transmission contacts, setting of switch devices, electrical switches, etc. The effect of improving safety

Pending Publication Date: 2022-04-12
SIEMENS ENERGY GLOBAL GMBH CO & KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, an increasing amount of current is routed through the existing infrastructure, which has a particularly large impact on the susceptibility of the entire system to failure

Method used

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  • Single-pole disconnector with vacuum switching tube as auxiliary contact system
  • Single-pole disconnector with vacuum switching tube as auxiliary contact system
  • Single-pole disconnector with vacuum switching tube as auxiliary contact system

Examples

Experimental program
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Embodiment Construction

[0040] figure 1 A switching device 1 according to the invention with a main switch and an auxiliary switch 2 is schematically shown in . The main switch can have the design of a single-column switch disconnector, wherein the contact device can be equipped with one or two movable contact arms 3 , which are also called contact strips due to the design of the movable contacts. An embodiment with two contact arms 3 in figure 2 shown in . Contacts made of copper or stainless steel rods with a circular and / or rectangular cross-section are known, as well as fixed contacts made of copper or stainless steel rods. The vacuum switching chamber 2 , which has an actuating element 7 , serves as an auxiliary switch. In this example, the vacuum switching chamber 2 is an integral part of the fixed / mating contact 6 of the single-post disconnector and is arranged on a mounting element 5 for mounting the vacuum switching chamber 2 to the mating contact 6 superior. The mating contact 6 forms...

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Abstract

The invention relates to a switching device for an air-insulated high-voltage disconnector, comprising at least a main switch and an auxiliary switch, the main switch comprising a single-pole disconnector having at least one movable contact arm and a fixed mating contact; the auxiliary switch comprises a vacuum switch chamber, the vacuum switch chamber is provided with an electric switch and at least one control element arranged on the switch, and the vacuum switch chamber is conductively arranged on the matching contact piece of the main switch; the electrical switch of the vacuum switching chamber is configured in such a way that an electrically conductive connection between the mating contact of the main switch and the movable contact arm of the main switch is established or interrupted by the movable contact arm of the main switch via an operating element, and the operating element of the vacuum switching chamber is arranged in such a way that the mating contact of the main switch is electrically connected to the movable contact arm of the main switch. The electric switch of the vacuum switch chamber is switched on before the main switch is switched on and is switched off after the main switch is switched off.

Description

technical field [0001] The invention relates to a switchgear for an air-insulated high-voltage disconnector, which comprises at least a main switch and an auxiliary switch, wherein the main switch comprises a single-column disconnector having at least one movable and the auxiliary switch comprises a vacuum switch chamber having an electric switch and at least one operating element arranged on the switch, wherein the vacuum switch chamber is conductively arranged on the mating part of the main switch and wherein the electrical switch of the vacuum switch chamber is configured such that the movable contact arm of the main switch establishes or interrupts the contact between the mating contact of the main switch and the movable contact arm of the main switch through the operating element Conductive connection, wherein the actuating element of the vacuum switching chamber is arranged such that the electrical switch of the vacuum switching chamber is switched on before the main swi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H33/66H01H33/662
CPCH01H31/36H01H33/6661H01H2033/6667H02B13/0354
Inventor M.罗曼D.施雷德
Owner SIEMENS ENERGY GLOBAL GMBH CO & KG
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