CN206211278U - A kind of three-phase coenosarc rigid gas insulated power circuit - Google Patents
A kind of three-phase coenosarc rigid gas insulated power circuit Download PDFInfo
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- CN206211278U CN206211278U CN201621359415.9U CN201621359415U CN206211278U CN 206211278 U CN206211278 U CN 206211278U CN 201621359415 U CN201621359415 U CN 201621359415U CN 206211278 U CN206211278 U CN 206211278U
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- 239000004020 conductor Substances 0.000 claims abstract description 51
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000005611 electricity Effects 0.000 claims description 20
- 238000005452 bending Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model is related to a kind of three-phase coenosarc rigid gas insulated power circuit, including straight section unit (2) and corner units；Each unit enclosure interior fills insulating gas, the housing of each unit is connected by flange, the conductor of each unit passes through fingertip grafting, corner units (3) include short section housing (34) and piece housing long (35), and fixed insulation support member (36) is provided with piece housing (35) long and insulated support (37) is slided.The utility model is simple and reliable for structure, component standard, is applicable various lines design, flexible arrangement.Adjusted according to different installation environments and arranged, ease of assembly construction, compact conformation occupies little space.
Description
Technical field
The utility model is related to high voltage power transmission technical field, particularly a kind of three-phase coenosarc rigid gas insulated power line
Road.
Background technology
Rigid gas insulated power circuit (GIL), is the insulation with certain pressure by being enclosed in inside metallic conduit
Gas, there is provided the power transmission unit of current channel, and the transmission facility that other insulation assemblies are constituted.
GIL has reliability high, long service life and transmittability as Large Copacity, high voltage, long distance transmission line
Strong the advantages of.GIL is a kind of enclosed construction of metal rigidity, smaller by ambient atmosphere and ambient influnence, also without external magnetic field
Influence.Inside uses SF6Or SF6And N2Mixed gas or compressed air are used as dielectric, and good insulation preformance, dielectric loss is low,
Without problem of aging, without combustibility, reliability is high.The average life of GIL is more than 50 years.The transimission power of current GIL
Up to 4GW, ability to transmit electricity is strong.Advantageously reduce transmitting loop quantity.Using compact enclosed construction, take up an area more than overhead transmission line
It is small.Arrangement flexibly, can simplify system wiring, improve whole system power supply reliability.
GIL can usually run into various deployment scenarios in engineering design：Corner is more, addition current branch, installs experiment additional and sets
Standby or introduce other accessory detection units and need to increase interface, transmission line of electricity is twice by a tap, uses three-phase coenosarc knot
Structure and trolley line, GIS device, transformer equipment and cable butting, many technical barriers such as long transmission line thermal deformation is big.In circuit
The less corridor position in space, rigid gas insulated power circuit (GIL) takes up room greatly.
The change of GIL generatrix directions needs corner segments to complete.Current GIL is for non-90 degree right-angled bend casting or two
Individual right angle is assembled to be realized.Using casting elbow, and two right angle assembly, in the line cannot in absorption equipment operation heat expansion it is cold
The deformation that contracting is produced, need to increase special thermal compensation device, and structure is more complicated.And thermal compensation device investment is big, short life is reliable
Property is poor, has a strong impact on the safe operation of whole bus.
Utility model content
In order to solve the above problems, reduces cost, raising line arrangement flexibility, the utility model proposes a kind of more single
The three-phase coenosarc rigid gas insulated power circuit of unit's combination.Concrete scheme is as follows：
A kind of three-phase coenosarc rigid gas insulated power circuit, including n straight section unit, described each straight section unit include
The housing and three straight conductors for being arranged on enclosure interior of inside filling insulating gas, n >=1 is also used for including m corner units
Transmission line of electricity is set to change direction, described each corner units include short section housing, piece housing long and three corner conductors, m >=1；
Wherein,
The one end open planar tilt of the short section housing or piece housing long is in housing axis, the short section housing and section long
The plane of the opening that housing favours housing axis is adjacent and be fixedly connected, and makes the housing axis of the piece housing long and short section housing
With angle；
Described each corner conductor is a conductor of the axis with angle of bend, and it is arranged on short section housing and piece housing long
In, the axis bending angle of the corner conductor is identical with the housing axis angle of the piece housing long and short section housing；
The n straight section unit is connected two-by-two with m corner units by flange, and the conductor in each unit passes through fingertip two
Two grafting.
Further, fixed insulation support member is provided with the piece housing long and insulated support is slided, wherein, fixed insulation
Near corner, the two ends of corner units are provided with flange, are connected with adjacent cells support member；Corner conductor is by fixed insulation branch
Support member and slip insulated support are arranged in short section housing and piece housing long.
Further, the housing axis angle of the piece housing long of the corner units and short section housing is 90 °~179 °.
Further, the piece housing long of the corner units and the plane of the opening for favouring housing axis of short section housing pass through
Grafting weldering connection, the junction is provided with handle hole.
Further, also be used to adding current branch in transmission line of electricity including a T-shaped units, install testing equipment additional or
Other auxiliary units are introduced, b branch units is used to make transmission line of electricity separate three branch road connection other equipments, and c benefit
Repay unit and change to realize that line build-out is deflected for compensating the expanded by heating of transmission line of electricity straightway, wherein a >=0, b >=0, c
>=0, each unit enclosure interior filling insulating gas is connected between the housing of each unit by flange, and the conductor in each unit leads to
Cross socket connection.
Further, including airtight insulating supporting, the airtight insulating supporting be arranged on the flange of two neighboring unit or
At the opening of unit, for installing conductor.
In the utility model, flexible corner unit is devised, the corner of angle Selection needs that can be according to needed for circuit
Section angle, designs GIL circuits more flexible.Simultaneously corner units there is larger flexibility, can allow angle change ±
1.5 ° are capable of expanding with heat and contract with cold and other errors for absorption circuit.
The beneficial effects of the utility model are：
1st, the utility model is simple and reliable for structure, component standard, is applicable various lines design, flexible arrangement.According to
Different installation environment adjustment arrangements, ease of assembly construction, compact conformation occupies little space.
2nd, corner units of the present utility model have larger flexibility using grafting soldering set, can permit angle change ± 1.5 °,
The flexible design at turning, can splice the deformation that welding structure realizes low-angle, error and change in absorption circuit by shell
Shape.
3rd, the utility model can reduce flange connection quantity, reduce airtight insulating supporting usage quantity, reduce sealing surface number
Amount, removes thermal compensation device.Leakage probability is reduced, circuit reliability of operation is lifted, construction costs is saved, optimization engineering is applied
Work scheme.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model embodiment 2；
Fig. 2 is the schematic diagram of the utility model embodiment 3；
Fig. 3 is the schematic diagram of utility model embodiment 4；
Fig. 4 is static contact and moving contact grafting schematic diagram；
Fig. 5 is corner units schematic diagram；
Fig. 6 is T-shaped cell schematics；
Fig. 7 is branch units schematic diagram；
Fig. 8 is compensating unit schematic diagram；
Fig. 9 is straight section cell schematics；
Figure 10 is the schematic diagram of the utility model embodiment 1.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, it is necessary to explanation is, these
Specific description is to allow those of ordinary skill in the art to be more prone to, clearly understand the utility model, rather than new to this practicality
The limited explanation of type
A kind of three-phase coenosarc rigid gas insulated power circuit, applicable voltage class is 66kV~330kV.
Embodiment 1：
As shown in Figure 10, a kind of three-phase coenosarc rigid gas insulated power circuit, including straight section unit 2 and corner units 3,
Each straight section unit 2 includes the housing of internal filling insulating gas and is arranged on three straight conductors of enclosure interior.Corner units 3
Including short section housing 34, piece housing long 35 and three corner conductors 32.The quantity of straight section unit and corner units is according to construction need
Determine, can have multiple straight section units and corner units and according to transmission line of electricity lay landform or addition port the need for
It is determined that the quantity and distributing order of combination.I.e., it is possible to set n (n >=1) straight section unit and m (m >=1) corner units, make
In, n straight section unit 2 is connected two-by-two with m corner units 3 by flange.Corner units are used to make transmission line of electricity change side
To straight section unit is the elementary cell in transmission line of electricity.The piece housing long 35 of corner units 3 and short section housing 34 favour shell
The plane of the opening of body axis is welded by grafting and connected, and junction is provided with handle hole.
As shown in figure 5, the one end open planar tilt of short section housing 34 or piece housing long 35 is in housing axis, short section housing
34 is adjacent with the plane of the opening that piece housing long 35 favours housing axis and be fixedly connected, and makes the piece housing long and short section housing
Housing axis there is angle.The housing axis angle of piece housing long and short section housing is 90 °~179 °.
Each corner conductor 32 is a conductor of the axis with angle of bend, and it is arranged on short section housing 34 and piece housing long
In 35, the axis bending angle of corner conductor is identical with the housing axis angle of the piece housing long and short section housing.
Fixed insulation support member 36 is provided with piece housing long 35 and insulated support 37 is slided, wherein, fixed insulation support
Near corner, the two ends of corner units 3 are provided with flange, are connected with adjacent cells part 36；Corner conductor 32 passes through fixed insulation
Support member 36 and slip insulated support 37 are arranged in short section housing 34 and piece housing long 35
As shown in figure 9, elementary cell of the straight section unit 2 for three-phase coenosarc rigid gas insulated power circuit, including straight shell
Body 21, straight conductor 22 (Fig. 9 can only see two phase conductors due to angle reason, actually three-phase conductor) and three-phase supports insulative
26.Straight housing uses formed pipe, rolls welded pipe, and helically welded tube, bending welded pipe or agitating friction welded pipe are made.Directly lead
Body is arranged on straight enclosure interior, with adjacent cells conductor grafting.Straight conductor is fixed in straight housing by three-phase supports insulative
Portion, to be fixedly connected or being slidably connected between three-phase supports insulative and straight housing, has two three inside a straight section unit
Phase supports insulative, passes through or bolt between three-phase supports insulative and straight conductor, and welding, crimping is attached.
Three-phase coenosarc rigid gas insulated power circuit of the present utility model can also include branch units.As shown in fig. 7,
Branch units 1 includes airtight insulating supporting 11, the branch's housing 12 with flange and the conductor (Fig. 7 in branch units
Because angle reason can only see two phase conductors, actually three-phase conductor), airtight insulating supporting is arranged on the opening of branch's housing
On, airtight insulating supporting is connected with conductor.Branch's housing includes main casing and three branch road housings being interconnected with main casing
13, branch road housing outer end opening is angled with main casing, usually 90 °.Branch units is on three-phase bus unit by it
Separate three branch road connection other equipments.This three branch roads can be connected with single-phase bus, be easy to experiment, the operation of different branch
And malfunction elimination, and floor space is greatly reduced, make installation more flexibility and reliability.
Branch conductors in branch units include straight conductor and curved conductor；Straight conductor be arranged on main casing in, curved conductor with
Axis is angled, and the angle and main casing are identical with the axis angle of branch's housing, and usually 90 °, curved conductor is arranged on
In branch road housing.The arrangement of branch road housing can be along the parallel distribution of main casing axial direction, it is also possible to be distributed in main casing radially
Same section on.
Branch units, the equipment such as single-phase GIL, convenient and trolley line, GIS device, transformer are branched into by three-phase coenosarc GIL
Connection.Or be by three-phase coenosarc GIL points：An a time three-phase coenosarc GIL and receipt phase GIL, when without these demands,
Add cover plate for sealing at branch's shell nozzle.
As shown in figure 4, the conductor in transmission line of electricity in each unit is respectively arranged at two ends with contact, it passes through contact and connects two-by-two
Connect.Conductor one end is static contact 33, and the moving contact with adjacent cells conductor passes through the grafting of fingertip 31；The other end is moving contact 33 ',
Static contact with adjacent cells conductor passes through the grafting of fingertip 31.
Three-phase coenosarc rigid gas insulated power circuit of the present utility model can also include compensating unit.Compensating unit is used
In the expanded by heating change of compensation transmission line of electricity straightway, realize that line build-out is deflected.As shown in figure 8, compensating unit 4 is arranged on
With the corner of compensated line vertical direction, including 42, two flanged (FLGD) bellowss 41 of middle casing, short flow 43, limit
Bit slice 44 and conductor, the two ends of middle casing 42 fixedly mount a bellows 41 respectively, are installed with the bellows 41
Short flow 43 and banking stop 44.
Three-phase coenosarc rigid gas insulated power circuit of the present utility model can also include T-shaped unit.T-shaped unit is used for
Current branch is added in transmission line of electricity, testing equipment is installed additional or is introduced other auxiliary units.As shown in fig. 6, T-shaped unit 5
Including T-shaped housing 52 and conductor.T-shaped housing includes upper port 53, left port 54 and right output port 55, and airtight insulating supporting is arranged on
On port, conductor is arranged on airtight insulating supporting.
Airtight insulating supporting is arranged on the flange of two neighboring unit or at the opening of unit, for installing conductor and is protected
Demonstrate,prove the air-tightness of transmission line of electricity.
Each unit selects different units, any amount combination according to configuration.That is, three-phase of the present utility model
Coenosarc rigid gas insulated power circuit, in addition to above-mentioned straight section unit and corner units, can also include a T-shaped unit 5,
It is used to add current branch in transmission line of electricity, installs testing equipment additional or introduce other auxiliary units, b branch units 1,
It is used to make transmission line of electricity separate three branch road connection other equipments, and c compensating unit 4 is used to compensate transmission line of electricity straight line
The expanded by heating change of section is deflected with realizing line build-out, wherein a >=0, b >=0, c >=0, the filling insulation of each unit enclosure interior
Gas, is connected between the housing of each unit by flange, and the conductor in each unit passes through socket connection.
Embodiment 2：
As shown in figure 1, a kind of three-phase coenosarc rigid gas insulated power circuit, including straight section unit 2, branch units 1, turn
Angle unit 3, compensating unit 4 and T-shaped unit 5.The right output port 55 of T-shaped unit 5 is connected with one end of compensating unit 4, compensating unit 4
The other end be connected with the short section housing 34 of corner units 3, piece housing long 35 is connected with the one end of straight section unit 2, straight section unit 2
The other end is connected with branch units 3.Each unit enclosure interior fills insulating gas, and the housing of each unit is connected by flange, respectively
Conductor socket connection in unit.
Embodiment 3：
As shown in Fig. 2 a kind of three-phase coenosarc rigid gas insulated power circuit includes two straight section units 2, corner units
3, branch units 1, compensating unit 4 and T-shaped unit 5.One end of compensating unit 4 is connected with left port 54, the other end and corner list
The short section housing 34 of unit 3 is connected.The plane of the opening of the short section housing of corner units or piece housing one end long is inclined with housing axis
Angle is 60 °, then the axis angle of the short section housing and piece housing long that form corner units is 120 °, naturally it is also possible to according to need
It is arranged to other angles.The piece housing long 35 of corner units 3 is sequentially connected two straight section units 2, reconnects branch units 1.
Each unit inside filling insulating gas.
Embodiment 4：
As shown in figure 3, a kind of three-phase coenosarc rigid gas insulated power circuit includes four straight section units 2, corner units
3, compensating unit 4 and T-shaped unit 5.The plane of the opening of the short section housing of corner units or piece housing one end long inclines with housing axis
Oblique angle is 45 °, then the axis angle of the short section housing and piece housing long that form corner units is 90 °.Two straight section units 2 according to
Then secondary connection is connected with the upper port 53 of T-shaped unit 5, and the left port 54 of compensating unit one end connecting T-shaped unit, the other end connects
The short section housing 34 of corner units 3 is connect, the piece housing long 35 of corner units is connected with the straight section unit that two are sequentially connected.Each list
First internal filling insulating gas, described corner units deflection angle is 90 °.
Three-phase coenosarc rigid gas insulated power circuit of the present utility model, simple and reliable for structure, component standard is applicable many
Plant line design schemes, flexible arrangement.Adjusted according to different installation environments and arranged, ease of assembly construction, compact conformation takes empty
Between it is small.
Claims (6)
1. a kind of three-phase coenosarc rigid gas insulated power circuit, including n straight section unit (2), described each straight section unit (2)
Housing and three straight conductors for being arranged on enclosure interior, n >=1, it is characterised in that also include including inside filling insulating gas
For making transmission line of electricity change direction, described each corner units (3) include short section housing (34), section long to m corner units (3)
Housing (35) and three corner conductors (32), m >=1；Wherein,
The one end open planar tilt of the short section housing (34) or the piece housing long (35) is in housing axis, the short section shell
Body (34) is adjacent with the plane of the opening that the piece housing (35) long favours housing axis and is fixedly connected, and makes the piece housing long
There is angle with the housing axis of the short section housing；
Described each corner conductor (32) is a conductor of the axis with angle of bend, its be arranged on the short section housing (34) and
In the piece housing long (35), the axis bending angle of the corner conductor and the piece housing long and the shell of the short section housing
Body axis angle is identical；
The n straight section unit (2) is connected two-by-two with the m corner units (3) by flange, and the conductor in each unit passes through
Fingertip grafting two-by-two.
2. three-phase coenosarc rigid gas insulated power circuit according to claim 1, it is characterised in that the piece housing long
(35) fixed insulation support member (36) is provided with and insulated support (37) is slided, wherein, the fixed insulation support member (36)
Near corner, the two ends of corner units (3) are provided with flange, are connected with adjacent cells；The corner conductor (32) is by described
Fixed insulation support member (36) and slip insulated support (37) are installed in the short section housing (34) and the section shell long
In body (35).
3. three-phase coenosarc rigid gas insulated power circuit according to claim 2, it is characterised in that the corner units
(3) piece housing described long (35) and the housing axis angle of the short section housing (34) is 90 °~179 °.
4. three-phase coenosarc rigid gas insulated power circuit according to claim 1, it is characterised in that the corner units
(3) piece housing described long (35) and the plane of the opening for favouring housing axis of the short section housing (34) is welded by grafting and connected
Connect, the junction is provided with handle hole.
5. three-phase coenosarc rigid gas insulated power circuit according to claim 1, it is characterised in that also T-shaped including a
Unit (5) for adding current branch in transmission line of electricity, installing testing equipment additional or introduce other auxiliary units, b branch
Unit (1) connects other equipments for making transmission line of electricity separate three branch roads, and c compensating unit (4) is transmitted electricity for compensating
The expanded by heating change of line linear section is deflected with realizing line build-out, wherein a >=0, b >=0, c >=0, each unit enclosure interior
Filling insulating gas, is connected between the housing of each unit by flange, and the conductor in each unit passes through socket connection.
6. the three-phase coenosarc rigid gas insulated power circuit according to any one of claim 1-5, it is characterised in that bag
Airtight insulating supporting (11) is included, the airtight insulating supporting is arranged on the flange of two neighboring unit or at the opening of unit,
For installing conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621359415.9U CN206211278U (en) | 2016-12-12 | 2016-12-12 | A kind of three-phase coenosarc rigid gas insulated power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621359415.9U CN206211278U (en) | 2016-12-12 | 2016-12-12 | A kind of three-phase coenosarc rigid gas insulated power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206211278U true CN206211278U (en) | 2017-05-31 |
Family
ID=58746509
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621359415.9U Expired - Fee Related CN206211278U (en) | 2016-12-12 | 2016-12-12 | A kind of three-phase coenosarc rigid gas insulated power circuit |
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| Country | Link |
|---|---|
| CN (1) | CN206211278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785944A (en) * | 2016-12-12 | 2017-05-31 | 江苏安靠智能输电工程科技股份有限公司 | A kind of three-phase coenosarc rigid gas insulated power circuit |
-
2016
- 2016-12-12 CN CN201621359415.9U patent/CN206211278U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785944A (en) * | 2016-12-12 | 2017-05-31 | 江苏安靠智能输电工程科技股份有限公司 | A kind of three-phase coenosarc rigid gas insulated power circuit |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |