CN205509251U - A improved generation arrangement structure for GIS transformer substation - Google Patents
A improved generation arrangement structure for GIS transformer substation Download PDFInfo
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- CN205509251U CN205509251U CN201620157519.5U CN201620157519U CN205509251U CN 205509251 U CN205509251 U CN 205509251U CN 201620157519 U CN201620157519 U CN 201620157519U CN 205509251 U CN205509251 U CN 205509251U
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Abstract
The utility model provides an improved generation arrangement structure for GIS transformer substation which characterized in that: including a door type framework and an incoming unit who has the upper beam, incoming unit includes a set of A, B, C looks GIS entrance bushing to and the point is hung to the inlet wire that three setting is used for respectively disposing A, B, C looks inlet wire on putting the beams in place, a, B, C looks GIS entrance bushing are the setting of V font and connect the inlet wire to corresponding through drawing to reach the standard grade respectively in one side of inlet wire framework. The utility model discloses the beneficial effect who has: the characteristics of make full use of sail formula framework pattern merge the parallel inlet wire mode of tradition " a style of calligraphy " to the sail formula framework in, carry out the pattern and optimize main the change. The problem of main become limit looks inlet wire and deepen the framework after the declination great, nervous with near the electrical distance of interval framework is solved, the whole ununified and comparatively complicated problem of structure of traditional sail formula framework has been solved simultaneously.
Description
Technical field
This utility model belongs to high voltage power transmission and transforming technical field, is specifically related to a kind of improved arrangement structure for GIS transformer station.
Background technology
In Shapotou of Ningkia 750kV project of transmitting and converting electricity 330kV is intended using GIS power distribution equipment pattern.Conventional GIS power distribution equipment outlet casing tube and outlet Liangping row, " yi word pattern " is used to arrange, the lateral dimension in whole place is by outlet casing tube control, the most well utilize the local optimum in terms of the advantage that GIS device lateral separation is compressed, electrical safety clear distance still can be limited to the feature that outlet " yi word pattern " is arranged.Therefore, outlet " yi word pattern " arrangement need to be carried out the change of essence.
In view of the concordance of outlet spatial volume distribution, the optimization of lateral dimension will necessarily bring the extension of vertical dimension, and therefore, outlet method is intended being arranged in parallel by " yi word pattern " and is optimized for " yi word pattern " and is arranged vertically.Vertical disposition can make full use of the vertical direction space of outgoing line interval, is optimized to by lateral dimension ultimate attainment, similar with circuit outlet method.
Conventional " sail association type " outlet pattern is that sleeve pipe is perpendicular to bus arrangement, gate outlet structure arranges three layers of outlet beam, vertical direction between three layers of outlet beam and horizontal-direction pitch are by electric clearance control, the GIS outlet casing tube of vertical wire outlet A, B, C triple line drawn can be drawn respectively by vertical plane and is connected to different outlet beam.This outlet pattern Overall View sense effect, as sail, is connected by tri-layer beams, and therefore this outlet pattern is referred to as " sail association type " outlet.Part plan is arranged and sectional drawing refers to Fig. 1.The size of " sail association type " framework transverse and longitudinal and vertical direction is determined by the factors such as electrical distance, equipment size and windage yaw control that tentatively combine, and the size initial option in Fig. 1 is as shown in the table.
| Figure marks | Size Selection (unit mm) | Remarks |
| L1 | 4200 | Distance controlling mutually |
| L2 | 4200 | Distance controlling mutually |
| L3 | 2500 | Passage and the convenient control of equipment line |
| L4 | 5800 | Service without power-off controls |
| L5 | 4500 | Alternate control |
| L inlet wire | 8400 | |
| L outlet | 19200 | |
| L depth | 9000 | |
| H1 | 14000 | |
| H2 | 24000 | |
| H3 | 34000 |
The 330kV power distribution equipment site plan arranged according to dimensions above refers to Fig. 2.
It can thus be seen that conventional " sail association type " layout pattern still suffers from further improving and optimizing space, it is embodied in following aspects:
1. main transformer uses three-phase separate build formula, distant between three-phase inlet wire, and the phase drift angle, limit of vertical inlet wire is relatively big, and the bad control of electrical safety clear distance between the framework of interval around.
2. main transformer inlet wire uses reverse sail pattern and other outlet structure are different, and integral frame pattern is complex.
3. two intervals share a Pin framework, and the safety net distance of framework and the safety net distance of two compartments are restricted by width by each interval, still have the space of optimization further.
4. vertical wire outlet pattern top layer beam is inevitable higher, and downlead windage yaw is relatively big, can cause the elongation of sail framework longitudinal size.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, a kind of improved arrangement structure for GIS transformer station is provided, the size of main transformer inlet wire framework can be optimized further, and inlet wire framework and outlet structure can be made to share a Pin framework, thus reduce construction difficulty and the cost that whole substation structure is arranged.
For solving prior art problem, the technical solution adopted in the utility model: a kind of GIS transformer station one is back into line structure, including a gate framework with upper beam and a wire inlet unit, wire inlet unit includes one group of A, B, C phase GIS entrance bushing, and three are arranged on upper beam the inlet wire hanging point being respectively used to configure A, B, C phase inlet wire；A, B, C phase GIS entrance bushing be in the shape of the letter V be arranged on inlet wire framework side and respectively by drawing reach the standard grade be connected to correspondence inlet wire.
The invention also discloses a kind of GIS transformer station to return back out line more and add one back into line structure, including a gate framework with upper beam, central sill and underbeam, a wire inlet unit, and at least two outgoing line unit；
Wire inlet unit includes one group of A, B, C phase GIS entrance bushing, and three are arranged on upper beam the inlet wire hanging point being respectively used to configure A, B, C phase inlet wire；A, B, C phase GIS entrance bushing be in the shape of the letter V be arranged on inlet wire framework side and respectively by drawing reach the standard grade be connected to correspondence inlet wire；
Outgoing line unit includes one group of A, B, C phase GIS outlet casing tube, and one group is separately positioned on upper beam, central sill and underbeam the outlet hanging point being respectively used to configure A, B, C phase outlet；Often organize A, B, C phase GIS outlet casing tube and be connected to the outlet of correspondence respectively by downlead.
Preferably, the outlet hanging point on central sill and underbeam is additionally provided with the composite insulator for fixing its side downlead.
Preferably, the quantity of outgoing line unit is two.
Preferably, upper depth of beam is less than 30m, and middle depth of beam is less than 21m, and lower depth of beam is less than 12m；Horizontal range between three beams is less than 3.5m.
Preferably, the longitudinal size of gate framework is less than 7m, and lateral dimension is less than 27m.
This utility model has the advantages that
1. make full use of the feature of sail type framework pattern, tradition " yi word pattern " parallel wire leading method is fused in sail type framework, main transformer is carried out pattern and is optimized.Solve main transformer limit phase inlet wire and go deep into that drift angle after framework is relatively big and the electrical distance anxiety problem of interval around framework；Solve Traditional Sail formula framework entirety disunity and the complex problem of structure simultaneously.
The most fully combine Shapotou 330kV transmission line circuit number, outlet and main transformer inlet wire are spaced and merge, it is possible to arrange multiple deck-siding, so that integral layout symmetry is attractive in appearance, lateral dimension is compressed further.
3. use post composite insulator that downlead is fixed, solve downlead windage yaw and cause fore-and-aft distance longer and the problem of sleeve pipe lifting difficulty, have compressed longitudinal size and the deck-molding of sail type outlet structure further.Comparing Traditional Sail formula scheme, deck-molding is reduced to 30m by 32m, and longitudinal size is by 9m boil down to 7m.
4. modified model " sail association type " outlet can complete commutation in station thus coordinate flexibly with circuit.
5. being optimized by above, modified model " sail association type " outlet structure is compared Traditional Sail formula scheme and is reduced the most further at aspects such as floor space, framework steel material and costs of investment.
Accompanying drawing explanation
Fig. 1 (a) is that tradition " sail association type " part plan arranges top view；
Fig. 1 (b) is that tradition " sail association type " part plan arranges sectional drawing；
Fig. 2 is the overall power distribution equipment horizontal layout schematic diagram of tradition " sail association type "；
Fig. 3 is time main transformer incoming line structure schematic diagram of this utility model；
Fig. 4 is that this utility model four returns back out line and shares a Pin frame construction schematic diagram；
Fig. 5 is that this utility model two returns back out line and adds a main transformer inlet wire and share a Pin frame construction axonometric chart；
Fig. 6 is that this utility model two returns back out line and adds a main transformer inlet wire and share a Pin frame construction schematic diagram；
Fig. 7 is this utility model gate framework and outlet layout longitudinal size verification schematic diagram；
Fig. 8 is that in Fig. 6, partial approach figure is arranged in outlet；
Fig. 9 is a kind of overall power distribution equipment horizontal layout schematic diagram after Optimal improvements.
Reference: 1 gate framework；2 upper beams；3 central sills；4 underbeams；5A, B, C phase GIS entrance bushing；There is sleeve pipe in 6A, B, C phase GIS；7 composite insulators.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.Following example are only used for clearly illustrating the technical solution of the utility model, and can not limit protection domain of the present utility model with this.
On the basis of making full use of sail type framework pattern, tradition " yi word pattern " parallel wire leading method is fused in sail type framework, main transformer inlet wire pattern is optimized.As shown in Figure 3, a kind of GIS transformer station one is back into line structure, including a gate framework 1 with upper beam 2 and a wire inlet unit, wire inlet unit includes one group of A, B, C phase GIS entrance bushing 5, and three are arranged on upper beam 2 the inlet wire hanging point being respectively used to configure A, B, C phase inlet wire.A, B, C phase GIS entrance bushing 5 is arranged on the side of inlet wire framework, wherein B phase GIS entrance bushing is near gate framework 1, and A phase GIS entrance bushing and C phase GIS entrance bushing are positioned at the both sides of B phase GIS entrance bushing and away from gate framework 1, so that the line of centres of three entrance bushings presents V-arrangement.Each entrance bushing respectively by drawing reach the standard grade be connected to correspondence inlet wire.
It is in one line that inlet wire hanging point is arranged upper beam 2 by this inlet wire pattern, it is not required to as the inlet wire hanging point of Traditional Sail formula main transformer limit phase is arranged on inside sail type framework, limit is drawn by strain insulator-string mutually, by the safety net distance between length limitation main transformer inlet wire and the adjacent spaces downlead of strain insulator-string；Without the need for using reverse sail structure, still keep unified with other outgoing line interval framework pattern, solve Traditional Sail formula framework entirety disunity and the complex problem of structure.
As shown in Figure 4, a kind of GIS transformer station four returns back out line structure, including a gate framework 1 with upper beam 2, central sill 3 and underbeam 4, and four outgoing line units.Each outgoing line unit includes that one group is separately positioned on upper beam 2, central sill 3 and underbeam 4 for configuring the outlet hanging point of A, B, C phase outlet, and with one group of A, B, C phase GIS outlet casing tube 6 of this group coplanar setting of outlet hanging point.Each outlet casing tube is all connected to the outlet of correspondence by downlead, and four groups of outlet hanging points share a gate framework 1.Outlet casing tube is positioned at the lower section of outlet hanging point, and its position relationship is identical with Fig. 1 with arrangement.
Distance check results such as following table between this kind of each equipment of layout pattern:
According to above result of calculation, in conjunction with civil engineering architectural requirements, L4 distance is adjusted to 6m, and four return back out line shares the deck-siding of a Pin framework and be chosen as 34m.
As shown in Figure 5 and Figure 6, a kind of GIS transformer station two returns back out line and adds one back into line structure, including a gate framework 1 with upper beam 2, central sill 3 and underbeam 4, a wire inlet unit, and at least two outgoing line unit.
Wire inlet unit includes one group of A, B, C phase GIS entrance bushing 5, and three are arranged on upper beam 2 the inlet wire hanging point being respectively used to configure A, B, C phase inlet wire.A, B, C phase GIS entrance bushing 5 is arranged on the side of inlet wire framework, wherein B phase GIS entrance bushing is near gate framework 1, and A phase GIS entrance bushing and C phase GIS entrance bushing are positioned at the both sides of B phase GIS entrance bushing and away from gate framework 1, so that the line of three entrance bushings presents V-arrangement.Each entrance bushing respectively by drawing reach the standard grade be connected to correspondence inlet wire.
Outgoing line unit includes that one group is separately positioned on upper beam 2, central sill 3 and underbeam 4 for configuring the outlet hanging point of A, B, C phase outlet, and with one group of A, B, C phase GIS outlet casing tube 6 of this group coplanar setting of outlet hanging point.Each outlet casing tube is all connected to the outlet of correspondence by downlead, and two groups of outlet hanging points share a gate framework 1.Outlet casing tube is positioned at the lower section of outlet hanging point, and its position relationship is identical with Fig. 1 with arrangement.
Distance check results such as following table between this kind of each equipment of layout pattern:
As shown in Figure 7 and Figure 8, in order to strictly control windage yaw, compress the fore-and-aft distance of framework further, the outlet hanging point on central sill 3 and underbeam 4 is also respectively provided with the composite insulator 7 for fixing its side downlead.Can be controlled by fore-and-aft distance at 3.5m in conjunction with electrical distance verification, this distance be the horizontal range on gate framework 1 between tri-layer beams.After longitudinal size is defined as 3.5m, it is constant that GIS and spark gap spaced apart are maintained as 4.5m, now the whole triangulation reference of framework can be avoided in the position of GIS sleeve pipe, the problem that there is not the lifting of GIS sleeve pipe, underbeam 4 absolute altitude is controlled with electrical safety clear distance, underbeam 4 absolute altitude should be 12m, then middle level, upper beam 2 absolute altitude are respectively 21m, 30m.
As shown in Figure 9, a kind of overall power distribution equipment plane arrangement structure after Optimal improvements, fully combine Shapotou 330kV transmission line circuit number, outlet and main transformer inlet wire are spaced and merge, arrange three kinds of deck-sidings: four return back out line structure (being called for short four times), two return back out line adds a main transformer incoming line structure (being called for short three times), and an independent main transformer incoming line structure (being called for short a time).Three kinds of deck-sidings are centered by the structure of one time, double-bus segmentation position, and thing side respectively uses " four times+three times+four times " to arrange, integral layout symmetry is attractive in appearance.Comparing Traditional Sail formula scheme, the optimizing index after this kind modified model based on 330kV power distribution equipment " sail association type " outlet pattern is as shown in the table.
As can be seen from the above table, modified model " sail association type " outlet structure is compared Traditional Sail formula scheme and is decreased 4.1% in floor space, decreases 24.4% on framework steel material；Reduce investment outlay 42.24 ten thousand yuan altogether.
In this utility model, A, B, C phase GIS entrance bushing 5 refers to A phase GIS entrance bushing, B phase GIS entrance bushing and C phase GIS entrance bushing；A, B, C phase inlet wire hanging point refers to A phase inlet wire hanging point, B phase inlet wire hanging point and C phase inlet wire hanging point.In like manner, A, B, C phase GIS outlet casing tube 6 and A, B, C phase outlet hanging point are also such, repeat no more.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; on the premise of without departing from this utility model know-why; can also make some improvement and deformation, these improve and deformation also should be regarded as protection domain of the present utility model.
Claims (6)
1. a GIS transformer station one is back into line structure, it is characterized in that: include a gate framework with upper beam and a wire inlet unit, wire inlet unit includes one group of A, B, C phase GIS entrance bushing, and three are arranged on upper beam the inlet wire hanging point being respectively used to configure A, B, C phase inlet wire；A, B, C phase GIS entrance bushing be in the shape of the letter V be arranged on inlet wire framework side and respectively by drawing reach the standard grade be connected to correspondence inlet wire.
2. a GIS transformer station returns back out line more and adds one back into line structure, it is characterised in that: include a gate framework with upper beam, central sill and underbeam, a wire inlet unit, and at least two outgoing line unit；
Wire inlet unit includes one group of A, B, C phase GIS entrance bushing, and three are arranged on upper beam the inlet wire hanging point being respectively used to configure A, B, C phase inlet wire；A, B, C phase GIS entrance bushing be in the shape of the letter V be arranged on inlet wire framework side and respectively by drawing reach the standard grade be connected to correspondence inlet wire；
Outgoing line unit includes one group of A, B, C phase GIS outlet casing tube, and one group is separately positioned on upper beam, central sill and underbeam the outlet hanging point being respectively used to configure A, B, C phase outlet；Often organize A, B, C phase GIS outlet casing tube and be connected to the outlet of correspondence respectively by downlead.
A kind of GIS transformer station the most according to claim 2 returns back out line more and adds one back into line structure, it is characterised in that be additionally provided with the composite insulator for fixing its side downlead on the outlet hanging point on central sill and underbeam.
A kind of GIS transformer station the most according to claim 3 returns back out line more and adds one back into line structure, it is characterised in that the quantity of outgoing line unit is two.
A kind of GIS transformer station the most according to claim 4 returns back out line more and adds one back into line structure, it is characterised in that upper depth of beam is less than 21m less than 30m, middle depth of beam, and lower depth of beam is less than 12m；Horizontal range between three beams is less than 3.5m.
A kind of GIS transformer station the most according to claim 5 returns back out line more and adds one back into line structure, it is characterised in that the longitudinal size of gate framework is less than 7m, and lateral dimension is less than 27m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620157519.5U CN205509251U (en) | 2016-03-01 | 2016-03-01 | A improved generation arrangement structure for GIS transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620157519.5U CN205509251U (en) | 2016-03-01 | 2016-03-01 | A improved generation arrangement structure for GIS transformer substation |
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| CN205509251U true CN205509251U (en) | 2016-08-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437219A (en) * | 2016-08-31 | 2017-02-22 | 中国电力技术装备有限公司郑州电力设计院 | 330kV sailing combined three-phase perpendicular line outlet structure |
| CN108512038A (en) * | 2017-08-25 | 2018-09-07 | 安徽华电工程咨询设计有限公司 | It is a kind of to use novel sail type power distribution equipment framework made of composite insulating material |
| CN112600079A (en) * | 2020-12-01 | 2021-04-02 | 中国电建集团江西省电力设计院有限公司 | Sail type combined outgoing line framework |
-
2016
- 2016-03-01 CN CN201620157519.5U patent/CN205509251U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437219A (en) * | 2016-08-31 | 2017-02-22 | 中国电力技术装备有限公司郑州电力设计院 | 330kV sailing combined three-phase perpendicular line outlet structure |
| CN108512038A (en) * | 2017-08-25 | 2018-09-07 | 安徽华电工程咨询设计有限公司 | It is a kind of to use novel sail type power distribution equipment framework made of composite insulating material |
| CN112600079A (en) * | 2020-12-01 | 2021-04-02 | 中国电建集团江西省电力设计院有限公司 | Sail type combined outgoing line framework |
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