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A Composite Insulated Pillar Type SF6 Circuit Breaker

A technology of composite insulating pillars and composite insulation, which is applied in the field of power transmission and transformation, can solve the problems of restricting the development process and low reliability, and achieve the effects of improving reliability, improving the earthquake resistance level, and lowering the center of gravity

Active Publication Date: 2019-04-23
SHANDONG TAIKAI HIGH VOLTAGE SWITCH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the traditional ceramic column circuit breaker design technology is adopted, the ultra-high voltage level porcelain column circuit breaker needs to adopt a multi-fracture structure with three to four arc extinguishing chambers connected in series, which has lower reliability and thus seriously restricts its development process

Method used

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  • A Composite Insulated Pillar Type SF6 Circuit Breaker
  • A Composite Insulated Pillar Type SF6 Circuit Breaker
  • A Composite Insulated Pillar Type SF6 Circuit Breaker

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Embodiment Construction

[0041] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions protected by the present invention will be clearly and completely described below using specific embodiments and accompanying drawings. Obviously, the implementation described below Examples are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in this patent, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this patent.

[0042] It will be understood that when an element or layer is referred to as being "on," "connected" or "coupled" to another element or layer, it may be directly on, connected to, or directly on the other element or layer. Or coupled to said another element or layer, intervening elements or layers may also be present. In contrast, when an element is referred to as being "directly on," "di...

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Abstract

The invention discloses a composite insulating strut type SF6 circuit breaker, which comprises an incoming and outgoing wire terminal, a composite insulating arc-extinguishing chamber bushing, an arc-extinguishing chamber unit, a composite insulating strut bushing, an insulating tie rod, a mechanism box and a hydraulic mechanism. Because the high-voltage, large-capacity single-break interrupter unit is used to replace the traditional double-break interrupter unit, the transmission link is simplified, which not only improves the reliability, but also greatly reduces the operating work required by the mechanism and simplifies the mechanism design. Difficulty; the composite insulating pillar bushing and composite insulating arc extinguishing chamber bushing are adopted, and the overall arrangement is vertical coaxial line, light weight and low center of gravity, which greatly improves the earthquake resistance level of the circuit breaker device.

Description

technical field [0001] The invention relates to the field of power transmission and transformation, in particular to a composite insulating post type SF6 circuit breaker. Background technique [0002] In power transmission and transformation systems, high-voltage switchgear is responsible for important functions such as control, protection, and measurement. [0003] At present, the 363kV porcelain column circuit breakers used in ultra-high voltage power transmission and transformation systems all adopt a double-fracture structure with two arc extinguishing chambers connected in series, which is large in size, complex in structure, poor in earthquake resistance, and high in cost. [0004] Now, the construction of UHV power transmission and transformation system is becoming more and more extensive, and it is imperative to develop UHV grade porcelain column circuit breakers. If the traditional ceramic column circuit breaker design technology is adopted, then the ultra-high vol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H33/91H01H33/22H01H33/53
CPCH01H33/22H01H33/53H01H33/91
Inventor 谢文刚宫瑞磊肖风良
Owner SHANDONG TAIKAI HIGH VOLTAGE SWITCH
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