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Gas-insulated circuit breaker and a method for breaking an electrical connection

A technology of gas insulation and circuit breakers, which is 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 and reducing compactness

Active Publication Date: 2018-10-23
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 a method for breaking an electrical connection
  • Gas-insulated circuit breaker and a method for breaking an electrical connection
  • Gas-insulated circuit breaker and a method for breaking an electrical connection

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 drawings. Within the following description of the drawings, the same reference numbers refer to the same components. Typically, only differences with respect to individual embodiments are described. Each example is provided by way of illustration of the disclosure, and is not intended as a limitation of the disclosure. Furthermore, features illustrated or described as part of one embodiment can be used on or in conjunction with other embodiments to yield a further embodiment. It is intended that this description include such modifications and variations.

[0033] figure 1 A gas insulated circuit breaker 100 is shown. The gas insulated circuit breaker 100 may include a housing 50 defining a gas space for a dielectric gas. The gas insulated circuit breaker 100 may be a high voltage circuit breaker. In the context of the present d...

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PUM

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Abstract

A gas-insulated circuit breaker (100) disclosed here includes a housing (50) defining a gas volume for a dielectric gas; a nominal contact system and an interruption contact system with a pin (122) and a tulip (124) that they are electrically connectable to and disconnectable from one another along an axis (A). It further has a guiding assembly (150) including a guide sleeve (152) and a guiding member (154) that is coupled to the pin (122); and a gas damping assembly (140) configured to damp a breaking movement of the pin (122) by compressing the dielectric gas in an absorber volume (125). A movable absorption element (142) and the absorber volume (125) are arranged radially inward of 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 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 within the housing. A nominal contact system and an interrupt contact system may be provided in the housing. The nominal contact system can comprise nominal contacts and can optionally establish a rated current path, ie the rated current can be conducted by the nominal contact system. An interrupt contact system may include pins and tulips that selectively establish a power current path. After breaking apart the ...

Claims

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Application Information

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Patent Type & Authority Applications(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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