CN105680401A - Transformer substation outgoing line strengthening system - Google Patents
Transformer substation outgoing line strengthening system Download PDFInfo
- Publication number
- CN105680401A CN105680401A CN201610169114.8A CN201610169114A CN105680401A CN 105680401 A CN105680401 A CN 105680401A CN 201610169114 A CN201610169114 A CN 201610169114A CN 105680401 A CN105680401 A CN 105680401A
- Authority
- CN
- China
- Prior art keywords
- wire
- downlead
- down lead
- wire jumper
- outlet
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulators (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention relates to a transformer substation outgoing line strengthening system. The transformer substation outgoing line strengthening system comprises an outgoing line wire, a jumper wire, a down lead, a lightning arrester, a voltage transformer and a connecting wire, wherein the lightning arrester and the voltage transformer are positioned below the outgoing line wire; two ends of the connecting wire are respectively connected with the lightning arrester and the voltage transformer; two ends of the jumper wire are respectively connected with the outgoing line wire; one end of the down lead is connected with the jumper wire, and the other end of the down lead is connected to the connecting wire. Due to the fact that one end of the down lead is connected with the jumper wire and the other end of the down lead is connected to the connecting wire, compared with a traditional wire connecting manner, the length of the down lead is shortened, the lateral wind pressure of the down lead is reduced, the jumper wire and the down lead are connected together as a whole body, the weight in the air is increased, and the swing amplitude of the down lead in the wind is further reduced; and moreover, the down lead is not in direct contact with the lightning arrester, the lateral wind pressure is prevented from being concentrated onto an equipment terminal, the down lead cannot be cut by a T-shaped wire clamp in a strong wind blowing process, and strand breakage of the down lead is prevented.
Description
Technical field
The present invention relates to transformer station's outlet technical field, particularly to a kind of transformer station outlet hardened system.
Background technology
Current transformer station outgoing conductor is connected with cross-line in string by wire jumper, outgoing line side is directly connected to the T-shaped wire clamp place of spark gap terminal with downlead, but such mode of connection causes downlead length longer, can normal operation under conventional weather condition, but when violent typhoon, strong wind makes downlead repeatedly wave, downlead length is longer, downlead end is blown to accommodate at high wind and is not stopped to do bending motion, easily cause the situation of the disconnected stock of downlead and conductor spacer twisting and breaking, and disconnected stock major part all occurs on spark gap terminal, spark gap terminal is provided with T-shaped wire clamp, the edge of this wire clamp is sharp, downlead is in rocking process, edge can constantly cut downlead, cause the disconnected stock of downlead.
Summary of the invention
It is an object of the invention to provide a kind of transformer station outlet hardened system, it is possible to shorten the length of downlead, it is prevented that the situation of disconnected stock occurs downlead in high wind.
For realizing the purpose of the present invention, adopt the technical scheme that:
A kind of transformer station outlet hardened system, including outgoing conductor, wire jumper, downlead, it is positioned at the spark gap below outgoing conductor and connection wire that voltage transformer, two ends are connected respectively with spark gap and voltage transformer, the two ends of wire jumper are connected with outgoing conductor respectively, one end of downlead is connected with wire jumper, and the other end connects with being connected wire.
One end of downlead is connected with wire jumper, the other end connects with being connected wire, compared with traditional mode of connection, shorten the length of downlead, reduce the lateral blast of downlead, wire jumper and downlead are connected together as an entirety, increase skyborne weight, reduce the amplitude that downlead waves in wind further; And downlead does not directly contact with spark gap, it is to avoid lateral blast concentrates in an arrangement terminal, will not be cut by T-shaped wire clamp being blown by high wind in pendulum process, it is prevented that the generation of the disconnected stock of downlead.
Below technical scheme is further illustrated:
Further, transformer station's outlet hardened system also includes the suspension insulator supportting the framework of outgoing conductor, one end is connected with framework, and the other end of suspension insulator is connected with wire jumper.Wire jumper is played a supportive role by suspension insulator, reduces strain insulator drain force-bearing situation, it is prevented that drainage plate fracture and the wire jumper deformation caused because of the access of downlead.
Further, suspension insulator is staggeredly arranged with the junction point of wire jumper and the junction point of downlead and wire jumper.
Further, the two ends of wire jumper are equal with the distance of downlead and the junction point of wire jumper respectively, and the two ends connecting wire are equal with the distance of downlead and the junction point connecting wire respectively.
Further, spark gap and voltage transformer are equipped with and are connected the dual lead device clamp that wire connects.
Further, downlead is special Light Aluminum Alloy line or heat-resistant steel core aluminum stranded conductor. Improve the antiwear property of downlead, extend the service life of downlead.
Compared with prior art, the method have the advantages that
One end of downlead of the present invention is connected with wire jumper, the other end connects with being connected wire, compared with traditional mode of connection, shorten the length of downlead, reduce the lateral blast of downlead, wire jumper and downlead are connected together as an entirety, increase skyborne weight, reduce the amplitude that downlead waves in wind further; And downlead does not directly contact with spark gap, will not be cut by T-shaped wire clamp being blown by high wind in pendulum process, it is prevented that the generation of the disconnected stock of downlead, it is to avoid lateral blast concentrates in an arrangement terminal.
Accompanying drawing explanation
The structural representation of Tu1Shi embodiment of the present invention transformer station outlet hardened system.
Description of reference numerals:
10. outgoing conductor, 20. wire jumpers, 30. downleads, 40. spark gaps, 50. voltage transformers, 60. connect wire, 70. frameworks, 80. suspension insulators.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail:
As shown in Figure 1, a kind of transformer station outlet hardened system, including outgoing conductor 10, wire jumper 20, downlead 30, it is positioned at the spark gap 40 below outgoing conductor 10 and connection wire 60 that voltage transformer 50, two ends are connected respectively with spark gap 40 and voltage transformer 50, the two ends of wire jumper 20 are connected with outgoing conductor 10 respectively, one end of downlead 30 is connected with wire jumper 20, and the other end connects with being connected wire 60.
One end of downlead 30 is connected with wire jumper 20, the other end connects with being connected wire 60, compared with traditional mode of connection, shorten the length of downlead 30, reduce the lateral blast of downlead 30, wire jumper 20 and downlead 30 are connected together as an entirety, increase skyborne weight, reduce the amplitude that downlead 30 waves in wind further; And downlead 30 does not directly contact with spark gap 40, avoid lateral blast to concentrate in an arrangement terminal, will not be cut by T-shaped wire clamp being blown by high wind in pendulum process, it is prevented that downlead 30 breaks the generation of stock, prevent typhoon from substation line and gold utensil being damaged, reduce economic loss.
In the present embodiment, downlead 30 shortens to 10 meters, and traditional mode of connection, downlead 30 needs 16 to 20 meters, is greatly shortened the length of downlead 30. And in the present embodiment, downlead 30 is special Light Aluminum Alloy line, and corresponding model is LGJQT-1400, is conducive to improving the antiwear property of downlead 30, extending the service life of downlead 30, downlead 30 can also adopt other wires such as heat-resistant steel core aluminum stranded conductor according to actual needs.
As it is shown in figure 1, transformer station's outlet hardened system also includes the suspension insulator 80 supportting the framework 70 of outgoing conductor 10, one end is connected with framework 70, the other end of suspension insulator 80 is connected with wire jumper 20.Wire jumper 20 is played a supportive role by suspension insulator 80, reduces strain insulator drain force-bearing situation, it is prevented that drainage plate fracture and the wire jumper 20 caused because of the access of downlead 30 deform.
As shown in Figure 1, suspension insulator 80 is staggeredly arranged with the junction point of wire jumper 20 and the junction point of downlead 30 and wire jumper 20, and the two ends of wire jumper 20 are equal with the distance of downlead 30 and the junction point of wire jumper 20 respectively, the two ends connecting wire 60 are equal with the distance of downlead 30 and the junction point connecting wire 60 respectively.
In the present embodiment, one end of downlead 30 is arranged between spark gap 40 and voltage transformer 50, and spark gap 40 and voltage transformer 50 are equipped with and are connected the dual lead device clamp (accompanying drawing does not identify) that wire 60 connects. If being not provided with spark gap 40 in transformer station, then one end of downlead 30 then can be arranged between insulated switch and voltage transformer 50 according to actual needs.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent. It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making such as dried fruits deformation and improve, these broadly fall into protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (6)
1. transformer station's outlet hardened system, it is characterized in that, including outgoing conductor, wire jumper, downlead, it is positioned at the spark gap below described outgoing conductor and connection wire that voltage transformer, two ends are connected respectively with described spark gap and described voltage transformer, the two ends of described wire jumper are connected with described outgoing conductor respectively, one end of described downlead is connected with described wire jumper, and the other end connects with the described wire that is connected.
2. transformer station according to claim 1 outlet hardened system, it is characterised in that also including the suspension insulator supportting the framework of described outgoing conductor, one end is connected with described framework, the other end of described suspension insulator is connected with described wire jumper.
3. transformer station according to claim 2 outlet hardened system, it is characterised in that the junction point of the junction point of described suspension insulator and described wire jumper and described downlead and described wire jumper staggers setting.
4. transformer station according to claim 1 outlet hardened system, it is characterized in that, the two ends of described wire jumper are equal with the distance of described downlead and the junction point of described wire jumper respectively, and the two ends of described connection wire are equal with the distance of described downlead and the junction point of described connection wire respectively.
5. transformer station according to claim 1 outlet hardened system, it is characterised in that described spark gap and described voltage transformer are equipped with and are connected, with described, the dual lead device clamp that wire connects.
6. the transformer station's outlet hardened system according to any one of claim 1 to 5, it is characterised in that described downlead is special Light Aluminum Alloy line or heat-resistant steel core aluminum stranded conductor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610169114.8A CN105680401B (en) | 2016-03-22 | 2016-03-22 | Substation's outlet hardened system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610169114.8A CN105680401B (en) | 2016-03-22 | 2016-03-22 | Substation's outlet hardened system |
Publications (2)
Publication Number | Publication Date |
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CN105680401A true CN105680401A (en) | 2016-06-15 |
CN105680401B CN105680401B (en) | 2018-07-24 |
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CN201610169114.8A Active CN105680401B (en) | 2016-03-22 | 2016-03-22 | Substation's outlet hardened system |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000350344A (en) * | 1999-06-04 | 2000-12-15 | Fujikura Ltd | Jumper device, jumper device installation method and prefabricated wire |
CN203260976U (en) * | 2013-05-21 | 2013-10-30 | 国家电网公司 | Cable termination tower |
CN204927814U (en) * | 2015-08-05 | 2015-12-30 | 宁夏回族自治区电力设计院 | 330kV distribution device's double -deck outlet structure |
CN105298201A (en) * | 2015-11-06 | 2016-02-03 | 江苏省电力公司苏州供电公司 | Electric-transmission-line cable-terminal three-dimensional downwards-leading device |
CN205489399U (en) * | 2016-03-22 | 2016-08-17 | 中国能源建设集团广东省电力设计研究院有限公司 | Reinforcerment system that is qualified for next round of competitions of transformer substation |
-
2016
- 2016-03-22 CN CN201610169114.8A patent/CN105680401B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000350344A (en) * | 1999-06-04 | 2000-12-15 | Fujikura Ltd | Jumper device, jumper device installation method and prefabricated wire |
CN203260976U (en) * | 2013-05-21 | 2013-10-30 | 国家电网公司 | Cable termination tower |
CN204927814U (en) * | 2015-08-05 | 2015-12-30 | 宁夏回族自治区电力设计院 | 330kV distribution device's double -deck outlet structure |
CN105298201A (en) * | 2015-11-06 | 2016-02-03 | 江苏省电力公司苏州供电公司 | Electric-transmission-line cable-terminal three-dimensional downwards-leading device |
CN205489399U (en) * | 2016-03-22 | 2016-08-17 | 中国能源建设集团广东省电力设计研究院有限公司 | Reinforcerment system that is qualified for next round of competitions of transformer substation |
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Publication number | Publication date |
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CN105680401B (en) | 2018-07-24 |
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