CN204204476U - A kind of carbon-fibre wire transmission line - Google Patents
A kind of carbon-fibre wire transmission line Download PDFInfo
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- CN204204476U CN204204476U CN201420653818.9U CN201420653818U CN204204476U CN 204204476 U CN204204476 U CN 204204476U CN 201420653818 U CN201420653818 U CN 201420653818U CN 204204476 U CN204204476 U CN 204204476U
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Abstract
The utility model discloses a kind of carbon-fibre wire transmission line, comprise framework, the T-shaped wire clamp of two-conductor line, strain clamp, strain insulator string, adjustable tension-resistant insulator string and carbon-fibre wire, every two frameworks composition one across, one end of carbon-fibre wire is connected with adjustable tension-resistant insulator string by strain clamp, the other end of carbon-fibre wire is connected with strain insulator string by another strain clamp, adjustable tension-resistant insulator string and strain insulator string are connected to one across the both sides of framework, and the centre of carbon-fibre wire arranges the T-shaped wire clamp of two-conductor line.The beneficial effects of the utility model are, energy-conservation, material-saving, environmental protection.
Description
Technical field
The utility model belongs to field of electrical equipment, specifically a kind of carbon-fibre wire transmission line.
Background technology
Along with the development of electrical network, electrical network has carried out large-scale dilatation, retrofit work, and it is imperative that jumbo project of transmitting and converting electricity is built.The transmission current density that dilatation then mainly improves main bus bar is carried out in original operation transformer station.At present, the main bus bar that some old transformer stations adopt is substantially all traditional steel reinforced aluminium conductor, and its heat resistance is relatively poor, and transmission line capability is subject to a definite limitation, and the capacity-increasing transformation of transformer station is difficult to carry out.
Utility model content
The purpose of this utility model is to provide a kind of carbon-fibre wire transmission line, replaces original steel reinforced aluminium conductor with carbon-fibre wire, can expand transmission line capability when keeping original framework constant, has the advantages such as energy-conservation, material-saving, environmental protection.
For achieving the above object, the utility model adopts following technical scheme:
A kind of carbon-fibre wire transmission line, comprise framework, the T-shaped wire clamp of two-conductor line, strain clamp, strain insulator string, adjustable tension-resistant insulator string and carbon-fibre wire, every two frameworks composition one across, one end of carbon-fibre wire is connected with adjustable tension-resistant insulator string by strain clamp, the other end of carbon-fibre wire is connected with strain insulator string by another strain clamp, adjustable tension-resistant insulator string and strain insulator string are connected to one across the both sides of framework, and the centre of carbon-fibre wire arranges the T-shaped wire clamp of two-conductor line.
Outer current-carrying part and the conventional wires of carbon-fibre wire have identical diameter and helicoidal structure, and wire is installed and can the method for wire routinely be carried out completely.Existing framework need not be transformed.Therefore, in old transformer station capacity-increasing transformation process, the application of carbon-fibre wire can effectively solve while raising main bus bar discharge capacity, existing framework can be utilized again, only need restringing can improve the discharge capacity of main bus bar, shorten the construction period, greatly reduce the total cost of Transfomer Substation Reconstruction.
As improvement of the present utility model, also comprise and also comprise conductor spacer, conductor spacer is arranged between two carbon-fibre wires.
Conductor spacer can limit the relative motion between wire and in proper motion situation, keep the geometry of bundle conductor.
As further improvement of the utility model, described carbon-fibre wire comprises the aluminum steel stock of carbon fiber plug and wrap carbon fiber plug, described carbon fiber plug is made up of the glass fibre of carbon fiber central core and carbon coated fibrillar center layer, described aluminum steel stock is made up of some aluminum steels and is divided into inside and outside two-layer, internal layer aluminum steel stock and outer aluminum steel stock concentric, internal layer aluminum steel stock is different with the twisting direction of outer aluminum steel stock, and the cross section of internal layer aluminum steel stock and outer aluminum steel stock is trapezoidal.
Carbon fiber adopts polyamide refractory process, carbonization forms; The epoxy resin of high strength, high tenacity formula has very strong resistance to impact, resistance to tension stress and bending stress.
In carbon-fibre wire, delivery of electrical energy mainly relies on conductor part aluminum conductor to complete, and carbon fiber complex core mainly bears wire own wt and the mechanical force such as wind-force, the stress of conductor.
The tensile strength of carbon-fibre wire is 1.93 times of general tensile strength of wire, is 1.7 times of high-tensile steel wires.
Carbon-fibre wire conductivity is high, and ampacity is large, and operating temperature is high.There is not the magnetic loss and thermal effect that wire material causes in carbon-fibre wire, and under the condition of conveying same power, has lower operating temperature, can reduce transmission of electricity line loss about 6%.Run under 180 DEG C of conditions, its ampacity is 2 times of conventional wires in theory.The aluminium sectional area of the carbon-fibre wire of same diameter is 1.29 times of conventional wires, and therefore ampacity can improve 29%.
Carbon-fibre wire is lightweight, and the density of composite material is about 1/4 of steel, and unit weight is about 60% ~ 80% of conventional wires.
As further improvement of the utility model, also comprise wire clamp, described wire clamp is circular and is enclosed within outer field aluminum steel stock outer surface.
Wire clamp can better keep the shape of carbon-fibre wire.
In sum, the beneficial effects of the utility model are, adapt to further developing of electrical network, make full use of the existing framework of transformer station, meet Electric Power Network Planning requirement, the capacity-increasing transformation of old transformer station is implemented, and from aspects such as energy-conservation, material-saving, environmental protection and raising ability to transmit electricities in general, carbon-fibre wire has great economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is carbon-fibre wire transmission line floor plan.
Fig. 2 is carbon-fibre wire profile.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail to be applied to 220kV transformer station capacity-increasing transformation engineering for the utility model.
As illustrated in fig. 1 and 2, a kind of carbon-fibre wire transmission line, comprise framework 8, the T-shaped wire clamp 5 of two-conductor line, strain clamp 4, strain insulator string 3, adjustable tension-resistant insulator string 2 and carbon-fibre wire 1, every two frameworks 8 form one across, one end of carbon-fibre wire 1 is connected with adjustable tension-resistant insulator string 2 by strain clamp 4, the other end of carbon-fibre wire 1 is connected with strain insulator string 3 by another strain clamp 4, adjustable tension-resistant insulator string 2 and strain insulator string 3 are connected to one across the both sides of framework 8, the centre of carbon-fibre wire 1 arranges the T-shaped wire clamp 5 of two-conductor line, with connection device downlead.
Described carbon-fibre wire 1 comprises the aluminum steel stock 10 of carbon fiber plug and wrap carbon fiber plug, described carbon fiber plug is made up of the glass fibre 12 of carbon fiber central core 11 and carbon coated fibrillar center layer 11, described aluminum steel stock 10 is made up of some aluminum steels and is divided into inside and outside two-layer, internal layer aluminum steel stock and outer aluminum steel stock concentric, internal layer aluminum steel stock is different with the twisting direction of outer aluminum steel stock, and the cross section of internal layer aluminum steel stock and outer aluminum steel stock is trapezoidal.
Also comprise wire clamp 13, described wire clamp 13 is circular and is enclosed within outer field aluminum steel stock outer surface.
Each sag across carbon-fibre wire is determined by the length of this trsanscondutor, is generally 1/15 ~ 1/30 of span.
Carbon-fibre wire, as one extraordinary wire of good performance, can improve wire transmission capacity 50%, in the capacity-increasing transformation, extension project of transformer station, and can vast scale ground investment reduction and improve operation of power networks performance.Adopt carbon-fibre wire can utilize original framework in addition, the construction period is shortened, has very large benefit to the safe operation of electrical network.Carbon-fibre wire is applied to 220kV and following electric pressure at present.
Claims (4)
1. a carbon-fibre wire transmission line, it is characterized in that, comprise framework (8), the T-shaped wire clamp of two-conductor line (5), strain clamp (4), strain insulator string (3), adjustable tension-resistant insulator string (2) and carbon-fibre wire (1), every two frameworks (8) composition one across, one end of carbon-fibre wire (1) is connected with adjustable tension-resistant insulator string (2) by strain clamp (4), the other end of carbon-fibre wire (1) is connected with strain insulator string (3) by another strain clamp (4), adjustable tension-resistant insulator string (2) and strain insulator string (3) are connected to one across the both sides of framework (8), the centre of carbon-fibre wire (1) arranges the T-shaped wire clamp of two-conductor line (5).
2. carbon-fibre wire transmission line as claimed in claim 1, it is characterized in that, also comprise conductor spacer (6), conductor spacer (6) is arranged between two carbon-fibre wires (1).
3. carbon-fibre wire transmission line as claimed in claim 1 or 2, it is characterized in that, described carbon-fibre wire (1) comprises the aluminum steel stock (10) of carbon fiber plug and wrap carbon fiber plug, described carbon fiber plug is made up of the glass fibre (12) of carbon fiber central core (11) and carbon coated fibrillar center layer (11), described aluminum steel stock (10) is made up of some aluminum steels and in being divided into, two-layer outward, internal layer aluminum steel stock and outer aluminum steel stock concentric, internal layer aluminum steel stock is different with the twisting direction of outer aluminum steel stock, the cross section of internal layer aluminum steel stock and outer aluminum steel stock is trapezoidal.
4. carbon-fibre wire transmission line as claimed in claim 3, is characterized in that, also comprise wire clamp (13), and described wire clamp (13) is circular and is enclosed within outer field aluminum steel stock outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653818.9U CN204204476U (en) | 2014-11-04 | 2014-11-04 | A kind of carbon-fibre wire transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653818.9U CN204204476U (en) | 2014-11-04 | 2014-11-04 | A kind of carbon-fibre wire transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204204476U true CN204204476U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420653818.9U Active CN204204476U (en) | 2014-11-04 | 2014-11-04 | A kind of carbon-fibre wire transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204204476U (en) |
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2014
- 2014-11-04 CN CN201420653818.9U patent/CN204204476U/en active Active
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