CN101207268A - Gas insulation opening and closing arrangement - Google Patents
Gas insulation opening and closing arrangement Download PDFInfo
- Publication number
- CN101207268A CN101207268A CNA2007101959839A CN200710195983A CN101207268A CN 101207268 A CN101207268 A CN 101207268A CN A2007101959839 A CNA2007101959839 A CN A2007101959839A CN 200710195983 A CN200710195983 A CN 200710195983A CN 101207268 A CN101207268 A CN 101207268A
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- Prior art keywords
- conductor
- current transformer
- container
- mentioned
- converter
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Classifications
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- 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
- H02B13/0358—Connections to in or out conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
-
- 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
- H02B13/0356—Mounting of monitoring devices, e.g. current transformers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention provides an air insulated opening and closing device. In the container of the air insulated opening and closing device, a structure of stand-type stopping part is arranged so as to achieve the maintenance of the stand-type stopping part and the changing operations of a contact part easily, wherein, the stand-type stopping part (6) is arranged in a container (1) with a maintenance hole (5) which is closed by a detachable cover (5a) formed at the upper part; the power supply is connected with one side of the container (1), while a first converter container having a converter (7) and a second converter container having a converter (8) are arranged on the other side. A first converter conductor (11) passes through the converter (7) inside a first converter container (2), bent in the container (1), and is connected with a power supply side conductor (9) through the upper part of the stand-type stopping part (6). Besides, the second converter conductor (12) passes through the converter (8) in a second converter container (3) and is connected with the load side. A medium-conductor (10) is arranged between the power supply side conductor (9) and the first converter conductor (11) and also arranged at a position relative to the maintenance hole (5). One end of the medium-conductor is detachably fixed on the power supply side conductor (9), while the other end can be detachably connected with the first converter conductor (11) through an assorting device (17).
Description
Technical field
The present invention relates to gas insulation opening and closing arrangement, particularly be suitable for the gas insulation opening and closing arrangement that in the power transformation field of the electric power system of regularly carrying out Maintenance and Repair, uses.
Background technology
Usually, the structure of gas insulation opening and closing arrangement (being designated hereinafter simply as " GIS ") employing is: be filled with sulphur hexafluoride sulphur gas (SF
6) wait insulating gas and in the container that seals, be provided with by electric device and conductors such as device, circuit breaker, current transformers; The electric current of supplying with from bus bar side is delivered to load-side through conductor and each electric device.
Constitute the electric device of GIS, especially end device, make the instantaneous electric device that blocks of electric current for to flow through under the situation of circuit at super-high-current.As knowing, end device and in metal container, be provided with the portion that ends that constitutes by fixed contact therefor and movable contact etc., and utilize the electric arc that produces when being filled in the interior insulating gas of container to carry out the arc extinguishing operation cut-off current.Because the electric arc that produces when current cut-off is high temperature, so, use all the year round, can consume by the part of electric arc influence.Therefore, regularly to consume under the significant situation and must change to carrying out Maintenance and Repair by the contact part of portion etc.
In having this GIS of portion of ending, for example, as record in and 63-242108 number (document 1) clear at the open communique of Japan's special permission, in order to dwindle erection space, layout forms vertical by portion in the container of vertical formation.Have this vertical in the GIS of portion, carry out vertical by portion periodic inspection or during the replacing of contact portion etc., pull down the lid that is arranged on the manhole on the container top, carry out the replacing operation of contact from top.
In addition, realize miniaturization, power supply is linked to each other with a side side that is provided with vertical container by portion, be provided with the 1st current transformer container and these two containers of the 2nd current transformer container of load-side in another side of container in order to contain vertical GIS by portion.In this structure, in the ring-type current transformer of the 1st current transformer conductor in running through the 1st current transformer container that vertical top by portion links to each other, in the container inner bending, and the transversal vertical top of portion of ending of along continuous straight runs is to link to each other with the electric current side conductor, the 2nd current transformer conductor that links to each other with vertical bottom by portion runs through the current transformer in the 2nd current transformer container and link to each other with load-side (for example, the special permission referring to Japan discloses communique 2005-261004 number (document 2)).
On the other hand, in being provided with the GIS of lightning arrester, following scheme has been proposed: as put down at the open communique of special permission put down in writing 6-133419 number (document 3) in, connecting portion folder between the bus of GIS bus and lightning arrester side is established shearing device, so that carry out the connection between the conductor of each bus by milliken conductor, thereby can realize loading and unloading; As putting down into 7-284214 number (document 4) in record at the open communique of special permission like that, flexible joint is set, between bus so that continuous between conductor by the stube cable that can stretch and can bending.
In structure is that above-mentioned the 1st current transformer conductor runs through the ring-type current transformer in the 1st current transformer container, simultaneously, transversal vertical in the GIS with connection mains side conductor above the portion in container inner bending and along continuous straight runs, carry out vertical by portion maintenance or during the replacing of contact portion etc., transversal vertical the 1st current transformer conductor by the portion top can form obstacle.Its reason is: when overhauling or change operation, must remove the interior current transformer of the 1st current transformer container that the 1st current transformer conductor connects, afterwards, pull down the 1st current transformer conductor, and, carry out the dismounting of fixed contact and moving contact thus from manhole insertion instrument.Therefore,, can spend the long time, thereby can not easily carry out the replacing operation of contact portion etc., so hope is improved this in maintenance or when changing operation.
In addition, though in the means of carrying out the connection between the GIS conductor, proposed above-mentioned various structure, but, if they are used for being provided with in container vertical vertical to carry out by the maintenance of portion or the GIS structure of replacing by portion, then be present in vertical by between near the conductor the portion coupling part have the problem that can not be suitable for these structures simply.
The object of the present invention is to provide GIS, its structure is for being provided with vertical GIS by portion in the container that forms the manhole that is closed by cap seal removably on top, thus can easily carry out vertical by portion maintenance and the replacing operation of contact portion etc.
Summary of the invention
GIS of the present invention to achieve these goals, adopted following structure: in the container utilize the manhole that cap seal removably closes is formed at top, be provided with vertical by portion, power supply is linked to each other with a side of said vesse, simultaneously, inner the 1st current transformer container and the 2nd current transformer container that is provided with the ring-type current transformer is installed respectively on another side; The 1st current transformer conductor that links to each other with above-mentioned vertical top of ending portion runs through the current transformer in above-mentioned the 1st current transformer container, simultaneously, in the said vesse inner bending, link to each other with the mains side conductor by above-mentioned vertical top by portion, above-mentioned the 2nd current transformer conductor that links to each other with above-mentioned vertical bottom of ending portion runs through current transformer in above-mentioned the 2nd current transformer container to link to each other with load-side; It is characterized in that: between above-mentioned mains side conductor and above-mentioned the 1st current transformer conductor, be folded with middle conductor in the position relative with the manhole of said vesse, one end of above-mentioned middle conductor releasably is fixed on the above-mentioned mains side conductor, simultaneously, the other end can link to each other with above-mentioned the 1st current transformer conductor by adapting device with freely loading and unloading.
Mode according to the present invention constitutes GIS, when connecting mains side conductor and the 1st current transformer conductor, owing to adopted the relative vertical middle conductor of ending the top of portion of along continuous straight runs manhole transversal and container, one end of this middle conductor releasably is fixed together with the mains side conductor, simultaneously, the other end by adapting device, can link to each other with the 1st current transformer conductor with freely loading and unloading, therefore, vertical by portion etc. Maintenance and Repair or when repairing, can remove transversal vertical middle conductor from manhole simply by the portion top.Therefore, can easily carry out the replacing operation of vertical contact part by portion etc. with the short time, compared with the past, can improve operating efficiency significantly.
Description of drawings
Fig. 1 is a longitudinal sectional drawing, and it has shown an embodiment who adopts gas insulation opening and closing arrangement of the present invention;
Fig. 2 is profile, and its amplification has shown the coupling part of mains side conductor and middle conductor among Fig. 1;
Fig. 3 is a longitudinal sectional drawing, the state when displayed map 2 is disintegrated;
Fig. 4 is a profile, shows to have amplified vertical major part by portion among Fig. 1.
Embodiment
Below, utilize example shown in Figure 1 to describe to adopting GIS of the present invention.It roughly constitutes and comprises: the 1st current transformer container 2 and the 2nd current transformer container 3, setting that the bus that inside is provided with vertical container 1 by portion 6, be mounted on a side (left side of Fig. 1) of container 1 is installed in the container (not shown), with 2 sections settings on the upper and lower of another side (right side of Fig. 1) of container 1 are installed in the cable connection box container (not shown) on the 2nd current transformer container 3 right sides.Be equipped with in the casing that is arranged on pallet 15 carrying out the controller 4 of vertical opening and closing operations by portion 6 at the downside of container 1, the drive part of this controller 4 is contained in the casing on the pallet 15.
The general using bolt makes respectively by the flange 22 fixed to one another connections of welded and installed around opening of container, thereby makes container 1 and the 1st current transformer container 2 and the 2nd current transformer container 3 form one.Insulating gass such as SF6 are filled in inside at container 1 and each current transformer container 2,3.
In addition, in container 1, be provided with vertical portion 6 and the mains side conductor 9 of ending, in the 1st current transformer container 2, be provided with 1 side converter 7 that forms annular, and, 2 side converters 8 that form annular in the 2nd current transformer container 3, be provided with.In the example of Fig. 1, mains side conductor 9 is bearing in vertical ending in the metal cylinder 31 on portion 6 tops by the dielectric support 18a of installations such as bolt, and it is to be arranged in the container 1 with vertical mode by portion's 6 almost parallels and vertically extension.This mains side conductor 9 links to each other with supporting conductor 16 on being installed in each mains side liner 13 by contact 23a, so that arrive the conductor (not shown) of bus.
By top bonding conductor 20 and contact 23b, be that vertical metal cylinder 31 of ending the bonding conductor on portion 6 tops links to each other with the 1st current transformer conductor 11 and double as.The 1st current transformer conductor 11 runs through the current transformer 7 in the 1st current transformer container 2, simultaneously, is formed on the shape of container 1 inner bending, and is last, as hereinafter described, links to each other with mains side conductor 9 by middle conductor 10.
In addition, being arranged on vertical bottom bonding conductor 21 by portion 6 bottoms links to each other with the 2nd current transformer conductor 12 by contact 23c.The 2nd current transformer conductor 12 is by dielectric support 18c supporting, and it runs through the current transformer 8 in the 2nd current transformer container 3, so that link to each other with the conductor of load-side contact 14 and arrive load-side cable straight joint (not shown) by contact 23d.In addition, though in Fig. 1, come explicit declaration mutually with one in principle,,, except the current transformer part, can adopt identical structure even under the situation of three-phase.
Vertical is the device that longitudinally opens and closes the contact by portion 6, and it is provided with fixation side on top, be provided with movable side in the bottom.Movable side is carried out on-off action by the operation of controller 4.This vertical contact part by portion 6 has generally adopted structure shown in Figure 4.That is, vertical major part by portion 6 is by fixation side electric arc contact 25, movable side electric arc contact 26, fixedly main contact 27, movable main contact 28, the jet pipe 29 that insulate, cylinder dielectric support 30, metal cylinder 31, cushion dashpot 32 constitute.Be used for fixing the top protuberance 31a of fixation side electric arc contact 25 and be used for fixing the fixedly bottom protuberance 31b of main contact 27 the inboard integrally formed of metal cylinder 31.
The two ends of the horizontal direction of the fixation side electric arc contact 25 that top protuberance 31a and the section by bolt 50 fixing metal tubes 31 inner surfaces is T word shape are by the bottom protuberance 31b of bolt 52 fixing metal tubes 31 inner surfaces and the fixing top of main contact 27.In addition, be provided with screw thread and make itself and the screw-threaded engagement of insulation jet pipe 29 outer peripheral faces at the inner peripheral surface of movable main contact 28, when assembling, the jet pipe 29 that will insulate from the top is screwed into and is fixed on the inner peripheral surface of movable contact 28.In addition, at the contact portion tap out of movable side electric arc contact 26, thereby make movable side electric arc contact 26 be fixed on the inner peripheral surface of cushion dashpot 32 threadably with cushion dashpot 32.
Have the vertical in portion 6 of this structure, though when making current cut-off as mentioned above, if movable side electric arc contact 26 leaves fixation side electric arc contact 25, then can between two contacts, produce electric arc, but, owing to can consume by the part of the fixation side electric arc contact 25 of electric arc influence, movable side electric arc contact 26 and insulation jet pipe 29, therefore, after using certain hour, should regularly replace.
Be used for the middle conductor 10 that the 1st current transformer conductor 11 is connected with mains side conductor 9, as depicted in figs. 1 and 2, crosscut container 1 vertical by portion 6 the top and be provided with in the mode relative with manhole 5.This middle conductor 10 is passed through secure fit devices 17 such as bolt 54 at the joint face of one end formation connecting portion 10a at its other end.
In addition, the connecting portion 10a that can be fixed to the middle conductor 10 on the upper surface of mains side conductor 9 is fixed for relaxing the holding member 19 that electric field is concentrated by bolt 57 with loading and unloading at an upper portion thereof.Holding member 19 can adopt the raw material identical with mains side conductor 9 or middle conductor 10, concentrates in order to prevent electric field, preferably adopts spherical crown shape shape.In addition, form on the top that makes connecting portion 10a under the situation of spherical crown shape shape, then need not holding member 19.
On the fixture of connecting portion 10a and mains side conductor 9 and connecting portion 10a and holding member 19, as mentioned above, used bolt 55,57.On connecting portion 10a and mains side conductor 9, be provided with and be used to support the bolt hole of fixing them, after the position that makes bolt hole overlaps, can be from the top fastening bolt of connecting portion 10a.Each 2 place was arranged on 4 positions about the preferred bolt hole was divided into.
In adapting device 17, used and for example made a plurality of contact sheets concentrate the well-known tubaeform contact that forms one with spring-like.In addition, in the example shown in the figure, though make adapting device 17 be fixed on middle conductor 10 sides, make to cooperate and be fixed on the 1st current transformer conductor 11 with connecting portion 24, but, on the contrary, be arranged on the middle conductor 10 even will cooperate with connecting portion 24, adapting device 17 is arranged on the 1st current transformer conductor 11 sides, still can under being electrically connected, uses without any situation about changing.
Near the current transformer 7 that the 1st current transformer conductor 11 passes through by other phase conductor from mains side conductor 9, with the horizontal direction extension and in 2 inner bendings of the 1st current transformer container, after along continuous straight runs runs through current transformer 7, link to each other with the top bonding conductor 20 that is connected to vertical metal cylinder 31 by portion 6.In addition, the 1st current transformer conductor 11 usefulness bolts are fixed on the 1st current transformer container 2 by dielectric support 18b supporting.It both can be before 2 inner bendings of the 1st current transformer container that the 1st current transformer conductor 11 runs through current transformer 7, also can be that both all can after this bending.
By bolt, bottom bonding conductor 21 supporting is fixed on vertical in portion 6, on the other hand, it is provided with by the fixing contact 23c of bolt bearing, embeds the 2nd current transformer conductor 12 and both are linked together in the 23c of this contact.In addition, the inside of the bottom bonding conductor 21 in Fig. 1 has shown bottom bonding conductor, the 2nd current transformer conductor and the current transformer 8 of other phase.
When the maintenance of the detailed structure of middle conductor 10 loading and unloading and vertical contact part by portion 6 or when replacing, at first, the lid 5a of the manhole 5 of removable container 1, the operator is the insertion instrument from manhole 5, constitutes the middle conductor 10 of obstacle and implements necessary working with dismounting.
Utilize Fig. 2 and Fig. 3 that the dismounting of middle conductor 10 is described.When GIS turned round, as shown in Figure 2, middle conductor 10 comprised and connects mains side conductor 9, bolt 55,57 and holding member 19, and, be in the state that links to each other with the 1st current transformer conductor 11 by adapting device 17.
When dismounting middle conductor 10, take out bolt 57 by instrument from manhole 5, as shown in Figure 3, the holding member 19 of choosing upward.Then, remove bolt 55 removing being connected of middle conductor 10 and mains side conductor 9, in case extract middle conductor 10 vertically left owing to can extract adapting device 17 with connecting portion 24 from cooperating, therefore, formation can be simply from the state of manhole 5 taking-ups.
Below, the details in the replacing operation of vertical contact portion by portion 6 etc. is described.At first, take off the fixing bolt 50 of top protuberance that makes fixation side electric arc contact 25 and metal cylinder 31, upwards extract fixation side electric arc contact 25.Then, take off and make the fixedly fixing bolt 52 of bottom protuberance 31b of main contact 27 and metal cylinder 31, and take out fixedly main contact 27 upward.
Afterwards, insulation jet pipe 29 is rotated, remove being threaded of movable main contact 28 and insulation jet pipe 29, take out insulation jet pipe 29 with instrument.In addition, releasing cushion dashpot 32 is threaded with movable side electric arc contact 26, takes out movable side electric arc contact 26.Fixation side electric arc contact of removing with new part replacement 25 and movable side electric arc contact 26 etc., opposite order is assembled with dismounting the time, thereby can finish the replacing of contact.In addition, should not be limited to contact part, self-evident, the other parts of consumption also can be changed.
Can carry out above-mentioned operation from the manhole 5 of having removed lid 5a, as adopt vertical by portion 6 with the GIS that dwindles erection space in, be easy to carry out the replacing or the Maintenance and Repair of contact part, thereby can increase substantially operating efficiency.In addition, the special-purpose manual manipulation hole that is exclusively used in contact part replacing or Maintenance and Repair needn't be reset, thereby the structure of container can be simplified.
As mentioned above, GIS of the present invention is applicable to and makes power supply and be provided with the structure that vertical side of container by portion links to each other and is separately installed with the 1st current transformer container and the 2nd current transformer container in another side in inside, thereby is easy to realize the replacing operation of vertical maintenance that ends portion and contact portion etc.
Claims (1)
1. gas insulation opening and closing arrangement, wherein, in the container utilize the manhole that cap seal removably closes is formed at top, be provided with vertical by portion, power supply is linked to each other with a side of said vesse, simultaneously, on another side, be installed in the 1st current transformer container and the 2nd current transformer container that inside is provided with the ring-type current transformer respectively; The 1st current transformer conductor that links to each other with above-mentioned vertical top of ending portion runs through the current transformer in above-mentioned the 1st current transformer container, simultaneously, in the said vesse inner bending, links to each other with the mains side conductor by above-mentioned vertical top by portion; Above-mentioned the 2nd current transformer conductor that links to each other with above-mentioned vertical bottom by portion runs through current transformer in above-mentioned the 2nd current transformer container to link to each other with load-side; It is characterized in that: between above-mentioned mains side conductor and above-mentioned the 1st current transformer conductor, be folded with middle conductor in the position relative with the manhole of said vesse, one end of above-mentioned middle conductor releasably is fixed on the above-mentioned mains side conductor, simultaneously, the other end can link to each other with above-mentioned the 1st current transformer conductor by adapting device with freely loading and unloading.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006337694 | 2006-12-15 | ||
| JP2006-337694 | 2006-12-15 | ||
| JP2006337694A JP4795219B2 (en) | 2006-12-15 | 2006-12-15 | Gas insulated switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101207268A true CN101207268A (en) | 2008-06-25 |
| CN101207268B CN101207268B (en) | 2010-04-07 |
Family
ID=39567237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101959839A Active CN101207268B (en) | 2006-12-15 | 2007-12-14 | Gas insulation opening and closing arrangement |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4795219B2 (en) |
| KR (1) | KR101454723B1 (en) |
| CN (1) | CN101207268B (en) |
| TW (1) | TWI341633B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010220328A (en) | 2009-03-16 | 2010-09-30 | Japan Ae Power Systems Corp | Three-phase batch type gas-insulated switchgear |
| KR101654561B1 (en) * | 2014-11-25 | 2016-09-08 | 제룡전기 주식회사 | Conductor variable type Gas insulated switchgear for maintenance of current transformer |
| CN114300177B (en) * | 2021-12-15 | 2023-07-04 | 深圳供电局有限公司 | GIS is with dismantling conductor assembly |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60147916U (en) * | 1984-03-09 | 1985-10-01 | 日新電機株式会社 | gas insulated switchgear |
| JP3020499B2 (en) * | 1988-01-11 | 2000-03-15 | 株式会社日立製作所 | Gas insulated switchgear |
| JPH05130719A (en) * | 1991-11-06 | 1993-05-25 | Meidensha Corp | Gas-insulated switching equipment |
| JP3175434B2 (en) * | 1993-10-21 | 2001-06-11 | 株式会社日立製作所 | Gas insulated switchgear |
| JP2842206B2 (en) | 1994-02-18 | 1998-12-24 | 日新電機株式会社 | Gas insulated switchgear |
| JPH07284214A (en) * | 1994-04-06 | 1995-10-27 | Toshiba Corp | Mounting and removing apparatus for gas insulation switchgear |
| DE19633857A1 (en) | 1996-08-16 | 1998-02-19 | Siemens Ag | Encapsulated, gas-insulated high-voltage system with a sealed connection module |
| CN1526187A (en) * | 2001-09-05 | 2004-09-01 | 三菱电机株式会社 | Conductor connection structure |
| JP4329923B2 (en) * | 2002-10-31 | 2009-09-09 | 三菱電機株式会社 | Gas insulated switchgear |
| JP4272088B2 (en) * | 2004-03-09 | 2009-06-03 | 株式会社日本Ａｅパワーシステムズ | Gas insulated switchgear |
-
2006
- 2006-12-15 JP JP2006337694A patent/JP4795219B2/en active Active
-
2007
- 2007-11-14 TW TW096142981A patent/TWI341633B/en active
- 2007-12-14 CN CN2007101959839A patent/CN101207268B/en active Active
- 2007-12-14 KR KR1020070130776A patent/KR101454723B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CN101207268B (en) | 2010-04-07 |
| JP4795219B2 (en) | 2011-10-19 |
| TW200830657A (en) | 2008-07-16 |
| TWI341633B (en) | 2011-05-01 |
| KR20080055722A (en) | 2008-06-19 |
| KR101454723B1 (en) | 2014-10-27 |
| JP2008154325A (en) | 2008-07-03 |
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