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1100kV ultra-high voltage isolating switch for opening and closing switching current of high-parameter bus

A technology for converting current and isolating switches, applied in high voltage/large current switches, electrical switches, switches with unconnected bridge contacts, etc., can solve problems such as lack of technology and production experience, and achieve excellent corrosion resistance and reasonable stress. , the effect of simple structure

Active Publication Date: 2010-12-15
CHANGGAO ELECTRIC GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For such a high-parameter bus switching current requirement, there is no reference technology and production experience at home and abroad

Method used

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  • 1100kV ultra-high voltage isolating switch for opening and closing switching current of high-parameter bus
  • 1100kV ultra-high voltage isolating switch for opening and closing switching current of high-parameter bus
  • 1100kV ultra-high voltage isolating switch for opening and closing switching current of high-parameter bus

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Embodiment Construction

[0046] The present invention will be further described in detail below in conjunction with specific embodiments and accompanying drawings.

[0047] Such as figure 1 , Figure 2a , Figure 2b As shown, the present invention is a 1100kV UHV isolating switch for opening and closing high-parameter busbar switching current, including a mounting base 1, an insulator 2, a left static contact 3, a main switch blade 4, a right static contact 5 and an operating mechanism 6 . The middle of the installation base 1 is a rotating bearing seat 9, and the two ends are fixed supports 7. The insulator 2 is a three-column insulator, and its lower end is respectively fixed on the rotating bearing seat 9 and the fixed support 7 of the installation base 1. The main switch knife 4 is installed On the insulator 2 in the middle, the left static contact 3 and the right static contact 5 are installed on the insulator 2 at both ends respectively, and the operating mechanism 6 used to drive the middle ...

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Abstract

The invention disclose a 1100kV ultra-high voltage isolating switch for opening and closing switching current of a high-parameter bus, which comprises a mounting base, insulators, a left fixed contact, a main knife switch, a right fixed contact and an operating mechanism, wherein a rotating bearing seat is arranged in the middle of the mounting base, fixed support saddles are arranged at two endsof the mounting base, the insulators are three-column insulators, the lower ends of the insulators are respectively fixed on the rotating bearing seat of the mounting base and the two fixed support saddles, the main knife switch is mounted on the middle insulator, the left fixed contact and the right fixed contact are respectively mounted at the insulators at two ends, and the operating mechanismfor driving the middle insulator to rotate is fixed below the mounting base. The 1100kV ultra-high voltage isolating switch has simple and compact structure, low cost, particularly strong capacity for opening and closing the switching current of the bus, high rated current parameter, excellent thermal stability, excellent dynamic stability and conductivity, high insulation performance, strong radio interference suppression capacity and the like.

Description

technical field [0001] The invention mainly relates to the field of electric equipment, in particular to an isolating switch for opening and closing high-parameter busbars to convert current. Background technique [0002] The power industry mainly includes power generation, power transmission and transformation, and power consumption, while the high-voltage switch industry belongs to the power transmission and transformation industry. The development focus of the power industry is to strengthen the construction of the power grid. The high-voltage switch industry has a huge development prospect. At present, the construction of ultra-high and ultra-high voltage power transmission and transformation is being accelerated. The manufacturing technology of 1100 kV UHV isolation switch equipment will become a new technical development field of the industry and point of economic growth. The UHV power transmission and transformation manufacturing technology, especially the 1100kV UHV...

Claims

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Application Information

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IPC IPC(8): H01H31/20H01H33/66
Inventor 邓文华马晓张婵裕黄展先王春华马伟军
Owner CHANGGAO ELECTRIC GROUP CO LTD
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