CN203722170U - High voltage bus - Google Patents
High voltage bus Download PDFInfo
- Publication number
- CN203722170U CN203722170U CN201420102466.8U CN201420102466U CN203722170U CN 203722170 U CN203722170 U CN 203722170U CN 201420102466 U CN201420102466 U CN 201420102466U CN 203722170 U CN203722170 U CN 203722170U
- Authority
- CN
- China
- Prior art keywords
- bus
- high voltage
- insulation protection
- voltage bus
- protection body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004020 conductor Substances 0.000 claims abstract description 66
- 238000009413 insulation Methods 0.000 claims abstract description 63
- 239000011159 matrix material Substances 0.000 claims description 54
- 230000004888 barrier function Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 abstract 3
- 239000011229 interlayer Substances 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The utility model provides a high voltage bus comprising an insulation protection tube body and a bus conductor base body. The bus conductor base body is supported in the inner cavity of the insulation protection tube body through support members. An air interlayer is arranged between the bus conductor base body and the insulation protection tube body. The innermost layer of the insulation protection tube body is a shielding layer. The bus conductor base body and the shielding layer are equipotential, so that the partial discharge between the bus conductor base body and the insulation protection tube body is prevented. When capacity increase is needed, the current carrying capability of the high voltage bus can be increased by replacing the original bus conductor base body with a bus conductor base body with higher current carrying capability or adding additional bus conductor base bodies in the inner cavity of the insulation protection tube body, and the insulation protection tube body is still used. The capacity increase method, compared with the conventional capacity increase method of wholly replacing the original high voltage bus with a new high voltage bus or additionally laying high voltage buses, has the advantages that investment is saved, installation is convenient and rapid and the working period is greatly shortened.
Description
technical field
The utility model relates to high voltage bus.
background technology
High voltage bus plays the effect that collects, distributes and transmit electric energy, often be applied to the electric equipment such as connection and transformer of electric substation's high voltage distribution installation and the connection of corresponding power distribution equipment, mostly adopt cable, rectangular bus bar or circular cross-section pipe clavate bus.No matter be any, all will be on conductor tight coated insulation layer.
The Chinese utility model patent of the patent No. 201020642316.8 has disclosed a kind of outdoor high voltage bus bar; as shown in Figure 1; it comprises copper busbar matrix 4 and is closely coated on the isolating shrinkable protective casing 5 outside copper busbar matrix; its manufacture method is: first copper busbar matrix 4 is preheated to 60 DEG C; again isolating shrinkable protective casing 5 is sleeved on copper busbar matrix 4, and then by isolating shrinkable protective casing 5 homogeneous heatings.After copper busbar matrix 4 is cooling together with isolating shrinkable protective casing 5, scratch the isolating shrinkable protective casing 5 of lap-joint with electrician's knife by " bus is made and assembly technology rules " requirement, make outdoor high voltage bus bar.Because MPG is by special poly-rare and special the processing of process, there is high insulation property and pyrocondensation performance, through heat shrink, the radial shrinkage ratio of isolating shrinkable protective casing 5 can reach 50%, therefore can be coated on securely the outer surface of copper busbar matrix 4.
At present, along with the continuous increase of every profession and trade power consumption, electric power increase-volume expansion project normality increasingly, at power field, renewable energy resources industry particularly Wind Power Development is the rapidest, and each wind energy turbine set will increase-volume every several years.Increase-volume generally all can relate to increases transformer capacity, increase high voltage bus current capacity.But the conductor of existing high voltage bus and coated insulating barrier are structure as a whole, combine closely, the in the situation that of increase-volume, can only integral replacing high voltage bus or lay in addition high voltage bus, greatly extend the duration and increase investment.
utility model content
The technical problems to be solved in the utility model is to provide a kind of high voltage bus.
In order to solve the problems of the technologies described above, the technical solution of the utility model is:
A kind of high voltage bus; comprise insulation protection body and bus-bars conductor matrix; bus-bars conductor matrix by supports support in insulation protection tube cavity; between bus-bars conductor matrix and insulation protection body, there is air blanketing; the innermost layer of insulation protection body is screen; when high voltage bus operation, bus-bars conductor matrix and this screen equipotential, to avoid producing partial discharge between bus-bars conductor matrix and insulation protection body.
Above-mentioned high voltage bus, is reserved with the support level that increases bus-bars conductor matrix after supporting on strutting piece.
Above-mentioned high voltage bus, insulation protection body comprises rigid insulation pipe and be compound in the insulating barrier outside rigid insulation pipe, screen is located on rigid insulation pipe inner surface.
Above-mentioned high voltage bus, is provided with at least one deck screen in insulating barrier, the outermost layer screen in insulating barrier is connected with ground extractor as bonding layer.
Above-mentioned high voltage bus, screen is semiconductor layer or metal forming conducting shell.
Above-mentioned high voltage bus, this high voltage bus is for becoming segment structure, and when serial connection, the insulation protection body waterproof sealing insulation of adjacent two sections of high voltage bus connects, and this waterproof sealing insulation is connected to flange connection or adopts one section of more insulation protection body socket of large diameter.
Above-mentioned high voltage bus, strutting piece is cushion block or packing ring, in the time that strutting piece is insulator, between bus-bars conductor matrix and the screen of insulation protection body innermost layer, is electrically connected by elastic conducting strip, makes both equipotentials; In the time that strutting piece is conductor or semiconductor, between bus-bars conductor matrix and the screen of insulation protection body innermost layer, be electrically connected by strutting piece, make both equipotentials.
In the time of needs increase-volume; can be by changing the bus-bars conductor matrix of great current carrying capacity more (area of section is larger or material conductivity is better) or increasing other bus-bars conductor matrix to increase the current capacity of high voltage bus in insulation protection tube cavity; insulation protection body still continues to use; with existing integral replacing high voltage bus or lay in addition high voltage bus compatibilizing method and compare; reduce investment outlay; easy for installation, quick, greatly shorten the duration.
brief description of the drawings
Below in conjunction with accompanying drawing to further detailed explanation of the utility model:
Fig. 1 is the structural representation of existing high voltage bus.
Fig. 2 is the structural representation of a kind of embodiment of the utility model.
Fig. 3 is the sectional drawing of Fig. 2.
Fig. 4 is the structural representation of the another kind of embodiment of the utility model.
In figure: 1 insulation protection body, 2 bus-bars conductor matrixes, 3 strutting pieces, 4 copper busbar matrixes, 5 isolating shrinkable protective casings.
Embodiment
As shown in Figures 2 to 4, a kind of high voltage bus comprises insulation protection body 1 and bus-bars conductor matrix 2, and bus-bars conductor matrix is supported in insulation protection tube cavity by strutting piece 3, between bus-bars conductor matrix and insulation protection body, has air blanketing.The innermost layer of insulation protection body is screen, and when high voltage bus operation, bus-bars conductor matrix and this screen equipotential, to avoid producing partial discharge between bus-bars conductor matrix and insulation protection body.
On strutting piece, can be reserved with the support level that increases bus-bars conductor matrix after supporting, in the time of follow-up increase-volume, follow-up increase bus-bars conductor matrix is installed in insulation protection tube cavity and by support level reserved on strutting piece and be supported.
Insulation protection body comprises rigid insulation pipe and be compound in the insulating barrier outside rigid insulation pipe, and screen is located on rigid insulation pipe inner surface.Rigid insulation pipe, as the skeleton of insulation protection body, adopts epoxy resin pipe, teflon tube or other insulating composite material.
In insulating barrier, be provided with at least one deck screen, the outermost layer screen in insulating barrier is connected with ground extractor as bonding layer.
Screen is semiconductor layer or metal forming conducting shell.
This high voltage bus is for becoming segment structure, and when serial connection, the insulation protection body waterproof sealing insulation of adjacent two sections of high voltage bus connects.This waterproof sealing insulation is connected to flange connection or adopts one section of more insulation protection body socket of large diameter.
Strutting piece is cushion block or packing ring, in the time that strutting piece is insulator, between bus-bars conductor matrix and the screen of insulation protection body innermost layer, is electrically connected by elastic conducting strip, makes both equipotentials; In the time that strutting piece is conductor or semiconductor, between bus-bars conductor matrix and the screen of insulation protection body innermost layer, be electrically connected by strutting piece, make both equipotentials.Strutting piece can be extracted out with supported bus-bars conductor matrix from insulation protection body.
In the time being reserved with the support level that supports follow-up increase bus-bars conductor matrix on high voltage bus strutting piece, the method that increases high voltage bus current capacity is that the bus-bars conductor matrix of follow-up increase is installed in insulation protection tube cavity and by support level reserved on strutting piece and is supported.
The another kind of method that increases high voltage bus current capacity is: bus-bars conductor matrix is replaced with to the same material conductor matrix that area of section is larger or is replaced with the better bus-bars conductor matrix of material conductivity.Particularly, in the time that bus-bars conductor matrix is tubular structure, one method is: this bus-bars conductor matrix is replaced with to larger or the solid and new bus-bars conductor matrix that outer profile size is constant of wall thickness (can with the same material of former bus-bars conductor matrix, can be also unlike material); Another kind method is: this bus-bars conductor matrix is replaced with to outer profile size the new bus-bars conductor matrix changing has occurred, at this moment just need to correspondingly adjust strutting piece.In the time that bus-bars conductor matrix is solid construction, this bus-bars conductor matrix is replaced with to the hollow or solid new bus-bars conductor matrix that area of section is larger, and corresponding adjustment supporter.
Another method that increases high voltage bus current capacity is: on bus matrix, extra conductor, with increasing section area, is then placed in insulation protection tube cavity by the bus-bars conductor matrix after extra conductor, and corresponding adjustment strutting piece.
According to size of current and other selecting factors bus-bars conductor matrix, bus-bars conductor matrix can be tubular, rectangle and other special-shaped conductor, and at specific position, bus-bars conductor matrix can be fexible conductor, and in Fig. 3, bus-bars conductor matrix is fexible conductor.
Claims (7)
1. a high voltage bus; it is characterized in that: comprise insulation protection body and bus-bars conductor matrix; bus-bars conductor matrix by supports support in insulation protection tube cavity; between bus-bars conductor matrix and insulation protection body, there is air blanketing; the innermost layer of insulation protection body is screen; when high voltage bus operation, bus-bars conductor matrix and this screen equipotential, to avoid producing partial discharge between bus-bars conductor matrix and insulation protection body.
2. high voltage bus according to claim 1, is characterized in that: on strutting piece, be reserved with the support level that increases bus-bars conductor matrix after supporting.
3. high voltage bus according to claim 1, is characterized in that: insulation protection body comprises rigid insulation pipe and be compound in the insulating barrier outside rigid insulation pipe, and screen is located on rigid insulation pipe inner surface.
4. high voltage bus according to claim 3, is characterized in that: in insulating barrier, be provided with at least one deck screen, the outermost layer screen in insulating barrier is connected with ground extractor as bonding layer.
5. according to the high voltage bus described in claim 1 or 4, it is characterized in that: screen is semiconductor layer or metal forming conducting shell.
6. high voltage bus according to claim 1; it is characterized in that: this high voltage bus is for becoming segment structure; when serial connection; the insulation protection body waterproof sealing insulation of adjacent two sections of high voltage bus connects, and this waterproof sealing insulation is connected to flange connection or adopts one section of more insulation protection body socket of large diameter.
7. high voltage bus according to claim 1, it is characterized in that: strutting piece is cushion block or packing ring, in the time that strutting piece is insulator, between bus-bars conductor matrix and the screen of insulation protection body innermost layer, be electrically connected by elastic conducting strip, make both equipotentials; In the time that strutting piece is conductor or semiconductor, between bus-bars conductor matrix and the screen of insulation protection body innermost layer, be electrically connected by strutting piece, make both equipotentials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420102466.8U CN203722170U (en) | 2014-03-07 | 2014-03-07 | High voltage bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420102466.8U CN203722170U (en) | 2014-03-07 | 2014-03-07 | High voltage bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722170U true CN203722170U (en) | 2014-07-16 |
Family
ID=51161296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420102466.8U Expired - Lifetime CN203722170U (en) | 2014-03-07 | 2014-03-07 | High voltage bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825233A (en) * | 2014-03-07 | 2014-05-28 | 解文 | High-voltage bus and method for improving current-carrying capability of high-voltage bus |
| CN107452439A (en) * | 2017-07-12 | 2017-12-08 | 西安理工大学 | A kind of compound insulation sleeve high voltage bus and its manufacture method |
-
2014
- 2014-03-07 CN CN201420102466.8U patent/CN203722170U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825233A (en) * | 2014-03-07 | 2014-05-28 | 解文 | High-voltage bus and method for improving current-carrying capability of high-voltage bus |
| CN107452439A (en) * | 2017-07-12 | 2017-12-08 | 西安理工大学 | A kind of compound insulation sleeve high voltage bus and its manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |