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Gas insulated circuit breaker and method for breaking electrical connections

A technology of gas insulation and circuit breakers, applied in the direction of high-voltage air circuit breakers, circuits, electrical components, etc., to achieve the effect of increasing the degree of free movement

Active Publication Date: 2022-06-07
HITACHI ENERGY SWITZERLAND AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While this system can be effective, the large number of parts and design necessitates placement of a large number of parts with extremely tight tolerances

Method used

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  • Gas insulated circuit breaker and method for breaking electrical connections
  • Gas insulated circuit breaker and method for breaking electrical connections
  • Gas insulated circuit breaker and method for breaking electrical connections

Examples

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Embodiment Construction

[0032]Reference will now be made in detail to various embodiments of the present disclosure, one or more examples of which are illustrated in the accompanying drawings. In the following description of the drawings, the same reference numerals refer to the same components. Typically, only differences are described with respect to individual embodiments. The examples are provided by way of illustration of the present disclosure, and are not intended to be limitations of the present disclosure. Furthermore, features shown or described as part of one embodiment can be used on, or in conjunction with, other embodiments to yield yet another embodiment. It is intended that this description includes such modifications and variations.

[0033] figure 1 Gas insulated circuit breaker 100 is shown. The gas insulated circuit breaker 100 may include a housing that defines a gas space for dielectric gas. The gas insulated circuit breaker 100 may be a high voltage circuit breaker. In th...

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PUM

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Abstract

A gas insulated circuit breaker (100) disclosed herein includes: a housing (50) defining a gas space for a dielectric gas; a nominal contact system; and an interrupting contact system having a pin (122) and a tulip ( 124), they can be electrically connected and disconnected from each other along the axis (A). The gas insulated circuit breaker (100) further has a pilot assembly (150), which includes a pilot bushing (152) and a pilot member (154) coupled to the pin (122); and a gas damming assembly (140), which It is configured to dampen the breaking movement of the pin (122) by compressing the dielectric gas in the absorber space (125). The movable absorption element (142) and the absorber space (125) are arranged radially inside the guide sleeve (152).

Description

technical field [0001] The present application relates to gas-insulated circuit breakers and methods for breaking electrical connections, and in particular to high-voltage gas-insulated circuit breakers and methods for breaking electrical connections of high-voltage gas-insulated circuit breakers. Background technique [0002] Gas-insulated circuit breakers are designed to interrupt current flow by separating two contacts in a dielectric gas with excellent dielectric and arc-extinguishing properties, such as sulfur hexafluoride (SF6). A dielectric gas may be contained in the housing. The nominal contact system and the break contact system may be provided in the housing. The nominal contact system may include nominal contacts and may selectively establish a nominal current path, ie the nominal current may be conducted by the nominal contact system. The break contact system can include pins and tulips that can selectively establish a power current path. After the breaking c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H33/42H01H33/32
CPCH01H33/32H01H33/42H01H3/605H01H33/121H01H33/56H01H33/74H01H2221/024
Inventor G.斯特丁
Owner HITACHI ENERGY SWITZERLAND AG
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