Unlock instant, AI-driven research and patent intelligence for your innovation.

Switchgear

A technology of switchgear and grounding device, applied in the field of switchgear, can solve the problems of high price, decreased insulation performance, not economical, etc., and achieve the effect of restraining investment

Inactive Publication Date: 2013-09-18
HITACHI IND EQUIP SYST CO LTD
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In addition, since the air is thin when the altitude is high, the heat dissipation by convection is poor, and since the discharge start voltage decreases in proportion to the air pressure, the insulation performance decreases, so in high places (such as 1000 to 4000m), it is necessary to select a higher The equipment of the style of the insulation resistance becomes an expensive equipment and is not economical

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Switchgear
  • Switchgear

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] figure 1 Embodiment 1 of the switchgear of this invention is shown. In this figure, the cabinet 100 of the switchgear of this embodiment is divided into the front side ( figure 1 right side) and back side ( figure 1 On the left side of the front side), the control room 21, the breaker room 17 and the operator room 18 of the grounding device are divided and formed in the order from top to bottom on the front side, and the busbar room is formed in the order from top to bottom on the back side 19 and cable room 20. The breaker room 17 on the front side is separated from the operator room 18 of the grounding device by a support plate 25 , and the bus bar room 19 and the cable room 20 on the back side are separated by a partition plate 24 .

[0023] The vacuum interrupter 1 is arranged in the above-mentioned interrupter chamber 17, and the solid insulated busbar 4 is arranged in the busbar chamber 19. The solid insulated busbar 4 is provided with a ground layer on the sur...

Embodiment 2

[0039] figure 2 Embodiment 2 of the switchgear of this invention is shown. The switchgear of this embodiment shown in this figure is the same as that described in Embodiment 1 figure 1 The structures are substantially the same, and the structures different from those in Embodiment 1 will be described below.

[0040] That is, in figure 2 In the shown embodiment 2, the grounding device 5 is arranged so that a part is located in the cable chamber 20, and the remaining part of the grounding device 5 is located in the operator room 18 of the grounding device, and the front end of the U-shaped insulator 5A is located in the The structural seal of the operator compartment 18 of the grounding device ( figure 2 slash), the breaker chamber 17 and the operator chamber 18 of the grounding device form a sealed space of a larger box, and the sealed space is formed into the same sealed structure as the breaker chamber 17 in Embodiment 1 ( figure 2 The slashed part), and the interrupt...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention relates to a switchgear capable of obtaining reliability relative to insulation, reducing the space of a device and achieving minimization, and reducing investment used for devices. The switchgear includes a vacuum circuit breaker that is disposed in a circuit breaker chamber compartmented by a grounded metal plate, a busbar that is disposed in a busbar chamber and connected to the vacuum circuit breaker through a conductor, a cable that is disposed in a cable chamber and connected at one end to a load side, and a grounding device that is operated by a grounding device actuator disposed in a grounding device actuator chamber, connected to the vacuum circuit breaker through a conductor, and connected to the other end of the cable. The busbar is formed by a solid-insulated busbar. The conductor connecting the vacuum circuit breaker to the busbar and the conductor connecting the vacuum circuit breaker to the grounding device are both formed by a solid-insulated conductor. The circuit breaker chamber and the grounding device have a sealed structure.

Description

technical field [0001] The present invention relates to switchgear, in particular to switchgear suitable for substations and the like. Background technique [0002] In the substation, switchgear (enclosed switchboard) is provided, and the switchgear is retracted: a vacuum breaker for blocking load current or accident current; a circuit breaker for ensuring the safety of workers during load maintenance and testing And grounding switch; detection device for detecting system voltage and system current; and protection relay, etc. [0003] There are various insulation methods for this switchgear. In the past, in addition to air insulation and combined gas insulated switchgear (GIS) using SF6 gas, in the past, from the perspective of adapting to the environment, there were also solid insulation, compressed air insulation, The full vacuum insulation method and the use of various insulation methods have accelerated the miniaturization of each component of the circuit breaker, circu...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H02B13/02
CPCH02B13/01H02B13/0354H02B13/075H01H33/66H02B13/02H01H33/66207
Inventor 薮雅人土屋贤治森田步
Owner HITACHI IND EQUIP SYST CO LTD