CN106129824B - A kind of direct connection device of three-phase combined type GIS busbares and transformer - Google Patents
A kind of direct connection device of three-phase combined type GIS busbares and transformer Download PDFInfo
- Publication number
- CN106129824B CN106129824B CN201610500894.XA CN201610500894A CN106129824B CN 106129824 B CN106129824 B CN 106129824B CN 201610500894 A CN201610500894 A CN 201610500894A CN 106129824 B CN106129824 B CN 106129824B
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- conductor
- phase
- oil
- gas casing
- transformer
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- 239000004020 conductor Substances 0.000 claims abstract description 152
- 239000012212 insulator Substances 0.000 claims abstract description 16
- 238000002474 experimental method Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 35
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000016507 interphase Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
Abstract
The invention discloses a kind of three-phase combined type GIS busbares and the direct connection device of transformer, including transformer bottom plate, with the integrally formed oil-gas casing of transformer bottom plate, it is used to support the disk insulator of GIS busbares and the GIS housings between transformer bottom plate and disk insulator, oil-gas casing is equipped with to make each phase oil-gas casing and the position of corresponding each phase bus-bars conductor corresponding, will pass through corresponding middle conductor by each oil-gas casing switching conductor direct-connected with corresponding each bus-bars conductor, the fracture for installing middle conductor is formed between each bushing conductor and corresponding bus-bars conductor.Since middle conductor is dismountable, middle conductor is not installed at the trial, which has apparent fracture so that is independent of each other during experiment.After experiment, it can realize that box GIS busbares are conductively connected together for the transformer of common box by conductor of transferring.
Description
Technical field
The present invention relates to switching equipment technologies, and in particular to a kind of three-phase combined type GIS busbares and transformer it is direct-connected
Device.
Background technology
GIS device is a kind of Cubicle Gas-Insulated Switchgear, it is opened by breaker, disconnecting switch, ground connection
The elements such as pass are directly linked to together, and be all enclosed in the metal shell of ground connection, and certain pressure is filled in shell
SF6 gases
As insulation and arc-extinguishing medium.In the design process of substation GIS more and more occur and transformer direct connection
Situation, but since GIS device and transformer field pilot project differ greatly, numerous items cannot link together progress,
Cause in-site installation and experiment inconvenient.
Chinese patent CN 201708450U(Authorized announcement date is 2011.01.12)It discloses a kind of female for case GIS altogether
Line goes out the direct coupled structure of line transformer with branch mailbox, including the direct-connected cylinder of interphase and four-way busbar, the mutually direct-connected cylinder in both sides, four-way
By the interface above it, case GIS busbares are connected busbar together, and the left side direct-connected conductor of conductor and left side phase transformer that is connected connects
It connects, the lower section of four-way busbar is connect with the direct-connected conductor of middle phase transformer.Under the mutually direct-connected cylinder in the left side and the direct-connected cylinder of interphase
Side is respectively adopted counter flange and is used for docking with transformer oil gas bushing.Direct coupled structure disclosed in the patent document is directed to become
Depressor goes out the situation of line transformer for branch mailbox, therefore, is common box type for transformer, designs a kind of three-phase combined type GIS busbares
Transition connecting structure to transformer is very necessary.
Invention content
The object of the present invention is to provide a kind of for the three-phase combined type connected between three-phase combined type type transformer, GIS busbares
The direct connection device of GIS busbares and transformer.
In order to achieve the goal above, the technical solution of the direct connection device of three-phase combined type GIS busbares of the present invention and transformer is such as
Under:The direct connection device of three-phase combined type GIS busbares and transformer, including transformer bottom plate, on the transformer bottom plate
Integrally formed oil-gas casing, the disk insulator for being used to support GIS busbares and set on transformer bottom plate and disk insulator it
Between GIS housings, oil-gas casing is located in GIS housings, oil-gas casing include the first phase oil-gas casing, the second phase oil-gas casing,
Third phase oil-gas casing, disk insulator be equipped with for connected with the GIS busbares of corresponding phase the first bus-bars conductor, second mother
Line conductor, third bus-bars conductor, oil-gas casing are equipped with to make position of each phase oil-gas casing with corresponding each phase bus-bars conductor
Put it is corresponding, the switching direct-connected with corresponding each bus-bars conductor of each oil-gas casing is led with will pass through corresponding middle conductor
Body, the fracture formed between conductor and corresponding bus-bars conductor for installing the middle conductor of transferring.
The GIS housings include rigid main casing for being connect with transformer bottom plate and be connected to the main casing and
Bellows between the disk insulator.
The GIS housings are equipped with hand hole.
The middle conductor includes sequentially connected left conductor, middle conductor, right conductor, the right conductor and corresponding busbar
Conductor plug connection, the middle conductor are bolted with the right conductor, pass through spiral shell between the left conductor and middle conductor
It tethers and connects.
The switching conductor include mutually independent the first switching conductor for being in 120 degree of angles on the same circumference,
Second switching conductor, third switching conductor, first switching conductor, second switching conductor, third switching conductor respectively with it is corresponding
First phase oil-gas casing, the second phase oil-gas casing, the connection of third phase oil-gas casing.
Beneficial effects of the present invention:The three-phase combined type GIS busbares of the present invention and the direct connection device of transformer, pass through transformer
Bottom plate and oil-gas casing realization thereon and the connection of transformer side, disk insulator are equipped with female for the GIS with corresponding phase
The first bus-bars conductor, the second bus-bars conductor, the third bus-bars conductor of line connection realize the connection with GIS by disk insulator.
Intermediate middle conductor is dismountable, and middle conductor is not installed at the trial, which has apparent fracture so that
It is independent of each other during experiment, quick-recovery can be connected soon after experiment.Oil-gas casing be equipped with for make each phase oil-gas casing with it is corresponding
The position of each phase bus-bars conductor is corresponding, is led each oil-gas casing with corresponding each busbar with will pass through corresponding middle conductor
Body direct-connected switching conductor realizes that box GIS busbares are conductively connected together for the transformer of box altogether by conductor of transferring.This hair
Bright direct connection device have it is simple in structure, it is easy to operate, convenient for field test, it is reliable the features such as.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention;
Fig. 2 is the D-D schematic cross-sectional views of Fig. 1;
Fig. 3 is the E-E schematic cross-sectional views of Fig. 1;
Fig. 4 is the schematic diagram of the direct connection device of three-phase combined type GIS busbares and transformer of the present invention at the trial;
Fig. 5 is the direct connection device of three-phase combined type GIS busbares and transformer of the present invention in the schematic diagram for being packed into middle conductor.
Specific embodiment
The embodiment of the direct connection device of three-phase combined type GIS busbares and transformer of the present invention:As shown in Figs. 1-3, three-phase combined type
The direct connection device of GIS busbares and transformer, it is integrally formed including transformer bottom plate 1, on the transformer bottom plate 1
Oil-gas casing 2, the disk insulator 7 for being used to support GIS busbares and the GIS between transformer bottom plate 1 and disk insulator 7
Housing, oil-gas casing 2 are located in GIS housings.Oil-gas casing 2 includes the first phase oil-gas casing, the second phase oil-gas casing, third phase
Oil-gas casing.Disk insulator 7 is equipped with leads for the first bus-bars conductor, the second busbar connected with the GIS busbares of corresponding phase
First bus-bars conductor therein is labeled as 13 by body, third bus-bars conductor.The first bus-bars conductor 13, second when installing and using
Bus-bars conductor, third bus-bars conductor correspond to the first phase busbar, the second phase busbar, third phase busbar respectively.
Oil-gas casing be equipped with for make each phase oil-gas casing it is corresponding with the position of corresponding each phase bus-bars conductor, with
Corresponding middle conductor be will pass through by each oil-gas casing switching conductor direct-connected with corresponding each bus-bars conductor, switching conductor 8 has
Three, each phase in three-phase is corresponded to respectively.Switching conductor is denoted as the first switching conductor 81, second switching conductor 82, the respectively
Three switching conductors 83, each fracture formed between conductor and corresponding bus-bars conductor for installing middle conductor of transferring.First turn
It connects and is independent from each other between the switching of conductor 81, second conductor 82, third switching conductor 83, it is spaced apart, and mutually coordinate 120 degree
Angle is arranged.First phase oil-gas casing, the second phase oil-gas casing, third phase oil-gas casing are circumferentially uniformly distributed along transformer bottom plate.Respectively
The first phase electrode conductor 9, the second phase electrode conductor, third phase electrode conductor are provided on switching conductor to be spaced circumferentially from one another
120 degree of arrangements.Distribution diameter of a circle where each oil-gas casing is more than the distribution diameter of a circle where each electrode conductor.By right
The switching conductor answered is realized per being electrically connected between phase oil-gas casing and electrode conductor, after corresponding middle conductor is installed,
Achievable oil-gas casing is electrically connected with corresponding phase busbar.The distribution circle of transformer side three-phase conductor is than GIS sides three-phase conductor
Distribution circle it is big, and the phase sequence of both sides(A, B, C phase)Also it differs, in the connection for carrying out oil-gas casing and GIS conductors just
It needs to set excessive switching conductor, which should can be transformed into GIS sides by three-phase conductor from the position of transformer side
Position, while also to ensure three-phase conductor in insulation performance electrically.The shape of switching conductor is as shown in figure 3, its size
By stringent calculating, insulation performance is also ensured while the conversion of three-phase conductor position is met.
GIS housings include rigid main casing 3 for being connect with transformer bottom plate and to be connected to main casing 3 exhausted with disc type
Bellows 6 between edge 7.Hand hole 4 is equipped on two sides on main casing, the connection of inner conductor when facilitating docking,
Cover board 5 is equipped at hand hole, cover board 5 is bolted with hand hole 4.Bellows 6 is equipped with connection method with the connecting pin of main casing
Blue plate realizes releasable connection between connecting flange plate and main casing 3 by bolt.
Middle conductor includes sequentially connected left conductor 10, middle conductor 11, right conductor 12, right conductor 12 and corresponding busbar
Conductor plug connection, is conductively connected by fingertip.Middle conductor 11 is bolted with right conductor 12, left conductor 10 and middle conductor
It is bolted between 11.
As shown in figure 4, during field test, left conductor 10, middle conductor 11, right conductor 12 are not installed, and centre forms apparent
Fracture makes transformer be adequately isolated with GIS, facilitates respective experiment.After experiment, need to connect inner conductor, such as Fig. 5
It is shown, by taking a wherein phase as an example, only right conductor 12 need to vertically be put by bellows 6 after GIS side compression certain distances at this time
Enter, contact side be inserted into the fingertip side for being fixed on the first bus-bars conductor 13 on disk insulator, then by left conductor 10, in lead
Body 11 is packed into, and the bolt carried out using the space of bellows compression between left conductor 10, middle conductor 11, right conductor 12 fastens company
It connects, then restores the state of bellows, the conductor completed between transformer and GIS connects.The structure by conductor connection mode and
The ingehious design of size does not need to dismounting housing after realizing field test, is completed by the compressed space of bellows interior
The connection of portion's conductor, i.e., so-called de- connection structure.
In other embodiments, switching conductor is not mutually independent yet, and conductor that three-phase can be transferred is arranged on together
On one insulating part, an overall structure is formed, is phase between the first switching conductor, the second switching conductor, third switching conductor
It mutually insulate, and the requirement for being electrically connected corresponding oil-gas casing and middle conductor can be met.
Claims (3)
1. the direct connection device of three-phase combined type GIS busbares and transformer, it is characterised in that:Including transformer bottom plate, mounted on described
Integrally formed oil-gas casing on transformer bottom plate is used to support the disk insulator of GIS busbares and set on transformer bottom plate
GIS housings between disk insulator, oil-gas casing are located in GIS housings, and oil-gas casing includes the first phase oil-gas casing, the
Two-phase oil-gas casing, third phase oil-gas casing, disk insulator are equipped with the first mother for being connected with the GIS busbares of corresponding phase
Line conductor, the second bus-bars conductor, third bus-bars conductor, oil-gas casing are equipped with to make each phase oil-gas casing and corresponding each phase
The position of bus-bars conductor is corresponding, straight by each oil-gas casing and corresponding each bus-bars conductor will pass through corresponding middle conductor
Switching conductor even, the fracture formed between conductor and corresponding bus-bars conductor for installing the middle conductor of transferring;It is described
Middle conductor includes sequentially connected left conductor, middle conductor, right conductor, and the right conductor connects with corresponding bus-bars conductor grafting
It connects, the middle conductor is bolted with the right conductor, is bolted between the left conductor and middle conductor;It is described
Switching conductor include mutually independent the first switching conductor for being in 120 degree of angles on the same circumference, the second switching conductor,
Third transfer conductor, first switching conductor, second switching conductor, third switching conductor respectively with corresponding first phase oil gas set
Pipe, the connection of the second phase oil-gas casing, third phase oil-gas casing;First phase oil-gas casing, the second phase oil-gas casing, third phase oil gas
Casing is circumferentially uniformly distributed along transformer bottom plate, and the first phase electrode conductor, the second phase electrode conductor, third are provided on each conductor of transferring
Phase electrode conductor is spaced 120 degree of arrangements circumferentially from one another, and the distribution diameter of a circle where each oil-gas casing is more than each electrode conductor
The distribution diameter of a circle at place, the distribution circle where each oil-gas casing and the distribution circle where each electrode conductor are in inside and outside distribution,
And respectively switching conductor extends from inside to outside;Each electrode conductor is connected with the left end of corresponding left conductor.
2. the direct connection device of three-phase combined type GIS busbares according to claim 1 and transformer, it is characterised in that:The GIS
Housing includes the rigid main casing for being connect with transformer bottom plate and is connected to the main casing and the disk insulator
Between bellows.
3. the direct connection device of three-phase combined type GIS busbares according to claim 1 or 2 and transformer, it is characterised in that:It is described
GIS housings are equipped with hand hole.
Priority Applications (1)
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CN201610500894.XA CN106129824B (en) | 2016-06-30 | 2016-06-30 | A kind of direct connection device of three-phase combined type GIS busbares and transformer |
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CN201610500894.XA CN106129824B (en) | 2016-06-30 | 2016-06-30 | A kind of direct connection device of three-phase combined type GIS busbares and transformer |
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CN106129824A CN106129824A (en) | 2016-11-16 |
CN106129824B true CN106129824B (en) | 2018-06-12 |
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Citations (7)
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---|---|---|---|---|
CN201294151Y (en) * | 2008-10-27 | 2009-08-19 | 河南平高电气股份有限公司 | Separable/closed transformer direct connection device for GIS |
CN201438608U (en) * | 2009-06-24 | 2010-04-14 | 河南平高电气股份有限公司 | Detachable bus for ultra-high voltage GIS equipment |
CN202167762U (en) * | 2011-05-23 | 2012-03-14 | 平高集团有限公司 | Bus assembly for super-high voltage engineering GIS |
CN202405633U (en) * | 2012-01-13 | 2012-08-29 | 北京宏达日新电机有限公司 | Conductor connecting device |
CN203562647U (en) * | 2013-11-19 | 2014-04-23 | 川开电气股份有限公司 | Direct connecting device for gas insulated switchgear (GIS) equipment and transformer |
CN203562687U (en) * | 2013-11-19 | 2014-04-23 | 川开电气股份有限公司 | Common box-to-separation box transformation structure for gas insulated switchgear (GIS) |
CN203734198U (en) * | 2013-11-19 | 2014-07-23 | 川开电气股份有限公司 | Internal phase change structure of GIS equipment |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201708450U (en) * | 2010-06-13 | 2011-01-12 | 河南平高东芝高压开关有限公司 | Direct-connecting structure for total box GIS (Geographic Information System) bus and junction box feeder transformer |
CN104143778B (en) * | 2013-11-15 | 2017-02-08 | 国家电网公司 | Sleeve wire inlet/outlet device and connection barrel thereof |
CN203883409U (en) * | 2014-03-28 | 2014-10-15 | 山东泰开高压开关有限公司 | Common box bus conductor supporting device |
-
2016
- 2016-06-30 CN CN201610500894.XA patent/CN106129824B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201294151Y (en) * | 2008-10-27 | 2009-08-19 | 河南平高电气股份有限公司 | Separable/closed transformer direct connection device for GIS |
CN201438608U (en) * | 2009-06-24 | 2010-04-14 | 河南平高电气股份有限公司 | Detachable bus for ultra-high voltage GIS equipment |
CN202167762U (en) * | 2011-05-23 | 2012-03-14 | 平高集团有限公司 | Bus assembly for super-high voltage engineering GIS |
CN202405633U (en) * | 2012-01-13 | 2012-08-29 | 北京宏达日新电机有限公司 | Conductor connecting device |
CN203562647U (en) * | 2013-11-19 | 2014-04-23 | 川开电气股份有限公司 | Direct connecting device for gas insulated switchgear (GIS) equipment and transformer |
CN203562687U (en) * | 2013-11-19 | 2014-04-23 | 川开电气股份有限公司 | Common box-to-separation box transformation structure for gas insulated switchgear (GIS) |
CN203734198U (en) * | 2013-11-19 | 2014-07-23 | 川开电气股份有限公司 | Internal phase change structure of GIS equipment |
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Publication number | Publication date |
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CN106129824A (en) | 2016-11-16 |
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