CN1623257A - Gas-insulated switch gear - Google Patents
Gas-insulated switch gear Download PDFInfo
- Publication number
- CN1623257A CN1623257A CN02828351.1A CN02828351A CN1623257A CN 1623257 A CN1623257 A CN 1623257A CN 02828351 A CN02828351 A CN 02828351A CN 1623257 A CN1623257 A CN 1623257A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- bus
- closing device
- mounting panel
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/075—Earthing arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- Patch Boards (AREA)
Abstract
A circuit breaker, a disconnecting device with a ground switch and a bushing for feed line are all mounted on and supported by a single, planar mounting plate in a tank filled with an insulation gas. The disconnecting device with a ground switch has a ground side terminal which is disposed at a position below the bushing for feed line and is mounted on the mounting plate. The circuit breaker and the disconnecting device with a ground switch are supported by an insulated supporting cylinder which is supported by the mounting plate.
Description
Technical field
The present invention relates to gas-insulated switchgear, the gas-insulated switchgear of the container with the front of vessel is airtight and removable mounting panel particularly is set.
Background technology
Traditional gas-insulated switchgear, the major loop member of the circuit breaker etc. of breaker and band grounding opening-closing device is contained in to enclose to be had in the container of insulating gas, and the sleeve that bus is connected usefulness connects, is installed in the through hole on the vessel top wall of being located at these major loop members tops.In addition, breaker is installed on front wall, and the circuit breaker of band grounding opening-closing device is installed on vessel bottom wall (for example with reference to TOHKEMY 2001-352623 communique, Fig. 1 and Fig. 2).
Also has a kind of traditional gas-insulated switchgear, container is divided into two on fore-and-aft direction, the part of the container of preceding half point as panel, is installed the major loop member (for example with reference to Japanese kokai publication hei 8-306277 communique) of the circuit breaker etc. of breaker and band grounding opening-closing device on this panel.
Traditional gas-insulated switchgear has adopted above structure, when bus connects, the operator must climb up on the vessel top wall of switchgear top, so high-rise working danger, again because switchgear top must sustain the body weight that bus connects the operator, therefore need Reinforced container and increase cost.
In addition, because of bus is installed on the different faces with the side terminal of going into of circuit breaker of sleeve with the band grounding opening-closing device, so the site error of mutual erection opening is big, in order also to connect under the situation of mistake occurring, splicing ear must have pliability, thereby increases cost.
Summary of the invention
Gas-insulated switchgear of the present invention, in container with the front of vessel is airtight and removable mounting panel, the circuit breaker of breaker and band grounding opening-closing device is set, bus is provided with the chamber wall that sleeve connects described container, it is characterized in that, with breaker, the band grounding opening-closing device circuit breaker and bus be bearing on the shared single mounting panel with sleeve.
The simple declaration of accompanying drawing
Fig. 1 is the sectional side view of the embodiment of expression gas-insulated switchgear of the present invention.
Fig. 2 carries out the key diagram that bus wire portion divides electrical verification on the earth terminal of gas-insulated switchgear of the present invention.
Embodiment
As shown in Figure 1, on the pallet 1 that the metallic plate by thin plate constitutes, container 2 is set.The front of container 2 (left side among the figure) is a kerf.Container 2 has: the vessel 2b that is formed with peristome 2a on the chamber wall of container front; And airtight shape is inaccessible with the peristome 2a of vessel 2b and the mounting panel 3 of a formation chamber wall part, and the inner filling of container 2 insulating gas.Mounting panel 3 is the single writing board shapes that are in the roughly same plane, inboard at mounting panel 3, the insulation supporter that the hollow that is made of the fixed insulation thing is installed promptly supports insulating cylinder 4, has the space between the major loop part of one side's side of supporting insulating cylinder 4 and vacuum interruption device 5, in the inboard of supporting insulating cylinder 4, the major loop portion of taking in breaker and be vacuum switch tube (VST) 6 and the circuit breaker of the movable axis 7 of vacuum switch tube 6 and band grounding opening-closing device being supported the vacuum interruption device 5 of flexible conductor 9 that 8 of terminals are connected etc. with fin.Also take in inboard at supporting insulating cylinder 4: the insulating bar 11 that the opening 3a of perforation mounting panel 3 carries out the mechanicalness connection and the movable axis 7 and the breaker of vacuum switch tube 6 are used operating portion 10 insulation; And the member of the adapter 12 that insulating bar 11 is connected with the movable axis 7 of vacuum switch tube 6 etc.The circuit breaker 13 of band grounding opening-closing device is set on supporting insulating cylinder 4.In the front side of mounting panel 3, the circuit breaker operating portion 15 of vacuum interruption device with operating portion 10 and band grounding opening-closing device is set.
In supporting insulating cylinder 4 and subtend mounting panel 3, intermediary has fixed terminal 17 ground that the fixation side terminal 16 of vacuum switch tube 6 is installed, the supporting protuberance 4a supporting insulating cylinder 4 of portion from it protrudes upward, be installed with the band grounding opening-closing device circuit breaker 13 go into side terminal 18, above the vacuum switch tube movable axis 7 of supporting insulating cylinder 4, the protuberance 4b that lacks than described supporting protuberance 4a protrusion amount is installed.The fin supporting terminal 8 of the circuit breaker 13 of band grounding opening-closing device is installed on this protuberance 4b.In addition, in mounting panel 3 sides of little protuberance 4b, the supporting insulating cylinder 4 shaped aperture portions 20 that connect are set, the movable axis 7 of vacuum switch tube 6 is connected with the fin supporting terminal 8 of the circuit breaker 13 of band grounding opening-closing device by the flexible conductor 9 that connects this peristome 20.The earth terminal 29 of the circuit breaker 13 of band grounding opening-closing device is installed on the mounting panel of being located at container 2 fronts by sleeve 30.
Notch in container 2 front lower, the below of the supporting insulating cylinder 4 of each phase forms peristome with the spacing with supporting insulating cylinder 4 same degree, the insulating component that is provided with inaccessible this peristome of airtight shape is that cable connects with sleeve 25, is connected with power cable 27 by cable termination 26.
On the mounting panel 3 of container 2 fronts, the top position of operating portion 10,15 and earth terminal 29, with each phase and spacings supporting insulating cylinder 4 same degree and be a bit larger tham the outside dimension of bus 21, form peristome 3b on the position of staggering on the above-below direction, the insulating component that is provided with inaccessible this peristome 3b of airtight shape is that bus connects with sleeve 22.Imbed inner conductor 22a at bus with the center of sleeve 22, form and connect the form of bus with sleeve 22, but the both sides of inner conductor 22a become the structure (such as screw thread processing) of bonding conductor, one side is connected by the side terminal 18 of going into of bonding conductor 31 with the circuit breaker of band grounding opening-closing device, and opposite side is connected with solid insulation bus 21.
With mounting panel 3 before the circuit breaker 13 etc. of vacuum interruption device 5 and band grounding opening-closing device is installed on the vessel 2b, bus is installed in the peristome 3b place of mounting panel 3 with sleeve 22, with bonding conductor 31 with bus with the going into after side terminal 18 is connected of the circuit breaker 13 of sleeve 22 and band grounding opening-closing device, mounting panel 3 airtight shapes are installed on the vessel 2b.In addition, when connecting solid insulation bus 21, solid insulation bus 21 is connected with sleeve 22 with bus from the switchgear front, lid 32 is installed as required, with solid insulation bus 21 and separate on every side.
In the embodiment of this gas-insulated switchgear, in the container 2 that has the airtight and removable mounting panel 3 in the front of vessel 2b, the circuit breaker 13 of breaker 6 and band grounding opening-closing device is set, bus is provided with the chamber wall that sleeve connects container 2, the circuit breaker 13 and the bus of breaker 6, band grounding opening-closing device all is bearing on the flat shared single mounting panel 3 that is in the roughly same plane with sleeve 22.In addition, the earth terminal 29 of the circuit breaker 13 of band grounding opening-closing device connects mounting panel 3 ground and is supported in the below of bus with sleeve.And the circuit breaker 13 of breaker 6 and band grounding opening-closing device is supported by the supporting insulating cylinder 4 that is supported on mounting panel 3, and bus is arranged on sleeve 22 on the mounting panel 3 of top position of earth terminal 29 of the circuit breaker 13 of being with grounding opening-closing device.
Adopt this gas-insulated switchgear, because of the circuit breaker 13 of bus with sleeve 22 and band grounding opening-closing device is installed on the same mounting panel 3, so it is little to interconnect the hole site error of peristome 3b, 3b of usefulness, do not need bonding conductor 31 is implemented special processing, the pliability conductor that does not also need to use high price can reduce cost as bonding conductor 31.Because the connection operation of bonding conductor 31 is to finish in the outside of container 2, it is good to pretend the industry property, is convenient to the affirmation to combination degree, can shorten the activity duration and improve the quality.And bus is installed on the mounting panel 3 of container 2 fronts with sleeve 22, does not need to climb up on the roof of container 2 to carry out operation, so be convenient to operation and can realize lightweight.
In addition, earth terminal 29 next doors of the circuit breaker 13 of the band grounding opening-closing device by bus being arranged on insulating mounting with sleeve 22, strengthened earth terminal 29 when earthing potential cuts off, earth terminal 29 and bus be with the static capacity C2 of 22 in the sleeve ratio with respect to the static capacity C1 between earth terminal 29 and grounding parts, can carry out electrical verification by 29 pairs of buses of earth terminal 21.The voltage V of earth terminal 29 roughly can be obtained by following formula shown in Figure 2 with respect to main circuit voltage V0:
V＝(C2/(C1+C2))×V0
Claims (4)
1. a gas-insulated switchgear in the container with the front of vessel is airtight and removable mounting panel, is provided with the circuit breaker of breaker and band grounding opening-closing device, and bus is provided with the chamber wall that sleeve connects described container, it is characterized in that,
The circuit breaker of described breaker, described band grounding opening-closing device and described bus are bearing on the shared single mounting panel with sleeve.
2. gas-insulated switchgear as claimed in claim 1 is characterized in that, described mounting panel is the writing board shape that is in the roughly same plane.
3. gas-insulated switchgear as claimed in claim 2 is characterized in that, below described bus usefulness sleeve, the ground connection side terminal that connects described chamber wall and supporting is set.
4. gas-insulated switchgear as claimed in claim 1, it is characterized in that, described breaker is supported by the insulating supporting body that is supported on described mounting panel, the circuit breaker of described band grounding opening-closing device is supported by described insulating supporting body, and described bus is set at the top of described ground connection side terminal of the circuit breaker of described band grounding opening-closing device with sleeve.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2002/013022 WO2004054057A1 (en) | 2002-12-12 | 2002-12-12 | Gas-insulated switch gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1623257A true CN1623257A (en) | 2005-06-01 |
| CN100474720C CN100474720C (en) | 2009-04-01 |
Family
ID=32500626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028283511A Expired - Fee Related CN100474720C (en) | 2002-12-12 | 2002-12-12 | Gas-insulated switch gear |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPWO2004054057A1 (en) |
| CN (1) | CN100474720C (en) |
| TW (1) | TW589774B (en) |
| WO (1) | WO2004054057A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104040812A (en) * | 2012-03-27 | 2014-09-10 | 三菱电机株式会社 | Gas-insulated switchgear |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4519048B2 (en) * | 2005-09-30 | 2010-08-04 | 三菱電機株式会社 | Gas insulated switchgear |
| EP2312602A1 (en) * | 2009-10-13 | 2011-04-20 | ABB Technology AG | Gas insulated medium voltage switchgear |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0667070B2 (en) * | 1985-11-05 | 1994-08-24 | 日新電機株式会社 | Gas insulated switchgear |
| JPH0382309A (en) * | 1989-08-24 | 1991-04-08 | Nissin Electric Co Ltd | Switchboard |
| JP2867743B2 (en) * | 1991-05-17 | 1999-03-10 | 日新電機株式会社 | Gas insulated switchgear |
| JPH0522815A (en) * | 1991-07-05 | 1993-01-29 | Nissin Electric Co Ltd | Gas insulated switch |
| JPH09149513A (en) * | 1995-11-20 | 1997-06-06 | Nissin Electric Co Ltd | Cubicle-housed switchgear |
-
2002
- 2002-12-12 CN CNB028283511A patent/CN100474720C/en not_active Expired - Fee Related
- 2002-12-12 WO PCT/JP2002/013022 patent/WO2004054057A1/en active Application Filing
- 2002-12-12 JP JP2004558384A patent/JPWO2004054057A1/en active Pending
- 2002-12-19 TW TW091136616A patent/TW589774B/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104040812A (en) * | 2012-03-27 | 2014-09-10 | 三菱电机株式会社 | Gas-insulated switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2004054057A1 (en) | 2006-04-13 |
| TW200412003A (en) | 2004-07-01 |
| CN100474720C (en) | 2009-04-01 |
| TW589774B (en) | 2004-06-01 |
| WO2004054057A1 (en) | 2004-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090401 Termination date: 20211212 |