CN104141405A - Overhead junction pole for two-circuit overhead transmission line and line junction structure of overhead junction pole - Google Patents
Overhead junction pole for two-circuit overhead transmission line and line junction structure of overhead junction pole Download PDFInfo
- Publication number
- CN104141405A CN104141405A CN201310575213.2A CN201310575213A CN104141405A CN 104141405 A CN104141405 A CN 104141405A CN 201310575213 A CN201310575213 A CN 201310575213A CN 104141405 A CN104141405 A CN 104141405A
- Authority
- CN
- China
- Prior art keywords
- cross bar
- pole
- wire rod
- low
- length
- 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.)
- Pending
Links
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention relates to an overhead junction pole for a two-circuit overhead transmission line and a junction structure of the overhead junction pole, and belongs to the technical field of high-voltage transmission lines. On the basis of an existing junction pole, at least two cross poles and one unloading pole are also arranged on a steel pipe pole from top to bottom, the unloading pole and each cross pole are located on perpendicular planes of planes where line hanging poles are located, and divergence line (T-joint) leads are arranged horizontally, so that the interlayer distance between the leads and ground wires is compressed to the maximum extent, and the limited space height is fully used; single-phase leads are vertically arranged in an upper-and-lower manner for jumper wires, and all the phase leads are arranged in parallel in the main line direction. The junction pole is simple in structure, and the problems of the high difficulty and the high cost during reverse T-joint unloading of one of two circuits as well as adverse effects on the operation safety and the power supply capacity of grids due to the fact that power outage is required during construction are solved.
Description
Technical field
The present invention relates to the built on stilts junction pole of a kind of double back overhead transmission line and wiring construction thereof, belong to ultra-high-tension power transmission line technical field.
Background technology
In recent years, along with the fast development of national economy, the scale of transmission line of electricity and density are also continuing to increase, and the thing followed is exactly the contradiction between day by day serious power transmission line corridor and regional construction planning.Particularly in recent years, flourish along with the quickening of urbanization progress and regional industrial accumulation regions, newly-built 110kV transformer station multidigit is in transmission line of electricity high pressure corridor, outskirts of a town annex, access system plan mostly is that T connects or π connects existing transmission line of electricity, and existing transmission line of electricity mostly is common-tower double-return and sets up in order to save high pressure corridor when building, and for parallel the setting up of transmission line of electricity of many different electric pressures, form banded high pressure corridor, in increasingly crowded high pressure corridor, realizing a two circuit wherein reverse T connects and rolls off the production line, in the past can be for the plane and the solid space that utilize because do not have, normal adopt cable mode roll off the production line through behind high pressure corridor again the mode of pivoted frame sky maybe several ultra-high-tension power transmission lines that close on are all carried out to elevation reconstruction.Wherein not only first stage of construction investment is larger for cable drill Vietnamese side case, and later operation and maintenance cost is higher, and difficulty is larger, and cost is high; And to closing on the elevation reconstruction scheme of transmission line of electricity, not only initial investment is huge, cost is high, and will inevitably because having a power failure, construction cause negative effect to safe operation of electric network and power supply capacity in construction period.
Summary of the invention
The object of this invention is to provide the built on stilts junction pole of a kind of double back overhead transmission line, to solve that a two circuit wherein reverse T connects that difficulty is large while rolling off the production line, expense is high and construction period need to have a power failure, safe operation of electric network and power supply capacity are caused the problem of negative effect.
The present invention provides a kind of double back overhead transmission line to make somebody a mere figurehead junction pole for solving the problems of the technologies described above, comprise the vertical steel pipe pole of a base single-column, on this steel pipe pole, be disposed with from high to low four layers of bilateral standard trolley, first floor is for grounding wire, second to the 4th layer is respectively used to articulate first-phase, second-phase and third phase wire, on described steel pipe pole, be also provided with from high to low and have two cross bars and a low wire rod at least, described low wire rod and each cross bar are in the vertical plane of described each standard trolley place plane, there are two cross bars respectively in both sides, wherein the length of at least one cross bar is not less than the leakage distance of twice, the length of another cross bar is not less than the leakage distance of a times, described low wire rod comprises two parts of corresponding both sides respectively, described low wire rod two parts length is not less than respectively the extreme length of homonymy cross bar with it.
Described cross bar is provided with two altogether, and the cross bar length that is arranged on higher position is not less than the leakage distance of twice.
Described cross bar is made as three altogether, is followed successively by from high to low the first cross bar, the second cross bar and the 3rd cross bar, and wherein the length of the first cross bar is not less than the leakage distance of twice, and all the other two cross bar length are not less than the leakage distance of a times.
The present invention is for solving the problems of the technologies described above the wiring construction that the built on stilts junction pole of a kind of double back overhead transmission line is also provided, comprise the vertical steel pipe pole of a base single-column, on this steel pipe pole, be disposed with from high to low four layers of bilateral standard trolley, first floor grounding wire, second to the 4th layer articulates respectively first-phase, second-phase and third phase wire, on described steel pipe pole, be also provided with from high to low and have two cross bars and a low wire rod at least, described low wire rod and each cross bar are in the vertical plane of described each standard trolley place plane, each cross bar is respectively in both sides, described low wire rod comprises two parts of corresponding both sides respectively, wherein the length of at least one cross bar is not less than the leakage distance of twice, the length of all the other cross bars is not less than the leakage distance of a times, described low wire rod two parts length is not less than respectively the extreme length of homonymy cross bar with it, each cross bar is laid with straight down respectively vertical line and is connected with the correspondence position of the low wire rod of homonymy with it, every phase conductor is connected on corresponding vertical line by connecting line, low wire rod is also laid with the horizon that for carry out T connect corresponding with each vertical line, its one end is connected with each self-corresponding vertical line respectively.
Described cross bar is two, the cross bar length that is arranged on higher position is not less than the leakage distance of twice, the end of this cross bar is all laid with straight down respectively a vertical line with place, centre position and is connected with the correspondence position of the low wire rod of homonymy, and first-phase wire and second-phase wire are connected to respectively two vertical lines of this cross bar by connecting line separately.
Described cross bar is made as three altogether, be followed successively by from high to low the first cross bar, the second cross bar and the 3rd cross bar, wherein the length of the first cross bar is not less than the leakage distance of twice, all the other two cross bar length are not less than the leakage distance of a times, the end of each cross bar is laid with straight down respectively a vertical line and is connected with the correspondence position of the low wire rod of homonymy, first-phase wire, second-phase wire and third phase wire all respectively the connecting line by be separately connected on the vertical line of the first cross bar, the second cross bar and the 3rd cross bar.
Every described vertical line two ends are all that insulator is separately connected with low wire rod with corresponding cross bar respectively.
Every the described horizon respectively insulator by is separately connected with low wire rod, and described every vertical line is walked around corresponding insulator by connecting line and is connected on corresponding horizon.
The invention has the beneficial effects as follows: the present invention is by the basis of existing junction pole, on steel pipe pole, be also provided with from high to low and have two cross bars and a low wire rod at least, low wire rod and each cross bar are in the vertical plane of described each standard trolley place plane, each cross bar is respectively in both sides, low wire rod comprises two parts of corresponding both sides respectively, diverging tracks (T connects) wire adopts horizontal arrangement, leads, the interfloor distance of ground wire to compress to greatest extent, makes full use of limited spatial altitude; Jumper adopts that single-phase transmission line is upper and lower to be arranged vertically, each phase conductor is parallel to be arranged along main line direction, junction pole of the present invention is simple in structure, being easy to realize reverse T, to connect while rolling off the production line difficulty large, solved that two circuit wherein reverse T connects that while rolling off the production line, difficulty is large, expense is high and construction period need to have a power failure and safe operation of electric network and power supply capacity caused to the problem of negative effect.
Accompanying drawing explanation
Fig. 1 is the built on stilts junction pole structure elevation of double back overhead transmission line;
Fig. 2 is the structure side view of the present invention's built on stilts junction pole of double back overhead transmission line of containing three cross bars;
Fig. 3 is the structure side view of the present invention's built on stilts junction pole of double back overhead transmission line of containing two cross bars;
Fig. 4 is the top view of the structure of the built on stilts junction pole of double back overhead transmission line of the present invention;
Fig. 5 is the top view that in the embodiment of the present invention, double back overhead transmission line is maked somebody a mere figurehead steel pipe T wiring in junction pole;
Fig. 6 is the wiring construction figure that is provided with the built on stilts junction pole of three cross bar double back overhead transmission lines in embodiments of the invention;
Fig. 7 is the wiring construction figure that is provided with the built on stilts junction pole of double back overhead transmission line of two cross bars in embodiments of the invention.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
The embodiment of the built on stilts junction pole of a kind of double back overhead transmission line of the present invention
As shown in Figure 1, junction pole comprises the vertical steel pipe pole 1 of a base single-column, is vertically installed with four layers of bilateral standard trolley 2 on steel pipe pole 1, and the first floor of each side is used for articulating grounding wire, and second to the 4th layer is respectively used to articulate first-phase, second-phase and third phase wire.Its top view is as shown in 4, the built on stilts junction pole of double back overhead transmission line of the present invention improves on the basis of existing junction pole, on steel pipe pole, be also provided with from high to low and have two cross bars and a low wire rod at least, as shown in Figures 2 and 3, low wire rod and each cross bar are in the vertical plane of described each standard trolley place plane, each cross bar is respectively in both sides, low wire rod 6 comprises two parts of corresponding both sides respectively, wherein the length of at least one cross bar is greater than the leakage distance of twice, the leakage distance that the length of all the other cross bars is greater than one times, low wire rod two parts length is not less than respectively the extreme length of homonymy cross bar with it.
It is example that the present embodiment be take three cross bars, as shown in Figure 2, from high to low, be respectively the first cross bar 3, the second cross bar 4 and the 3rd cross bar 5, wherein the first cross bar is arranged between second layer standard trolley and the 3rd layer of standard trolley near second layer standard trolley, the second cross bar is arranged between the 3rd layer of standard trolley and the 4th layer of standard trolley near the 3rd layer of standard trolley, the 3rd cross bar is arranged on the position of close the 4th layer of standard trolley between the 4th layer of standard trolley and low wire rod, from construction, those skilled in the art is generally arranged on cross bar above-mentioned position, but also can be arranged on as required other position, the first cross bar 3 and the second cross bar 4 are homonymy, the 3rd cross bar is at opposite side, the length of the first cross bar is not less than the leakage distance (under electric pressure of living in) of twice, the length of the second cross bar and the 3rd cross bar is not less than the leakage distance of a times, be not less than the length of the first cross bar with the length of the low wire rod part of the first cross bar and the second cross bar homonymy, the length of the low wire rod of another part is not less than the length of the 3rd cross bar of homonymy with it.
Except above-mentioned embodiment, the number of cross bar can be also two, as shown in Figure 3, only retains the first cross bar and the 3rd cross bar, and the position of the first cross bar and the 3rd cross bar and length all need not change.
The embodiment of the built on stilts junction pole wiring construction of a kind of double back overhead transmission line of the present invention
As shown in Figures 2 and 3, the built on stilts junction pole of double back overhead transmission line of the present invention comprises the vertical steel pipe pole of a base single-column, on steel pipe pole, be vertically installed with four layers of bilateral standard trolley, first floor grounding wire, second to the 4th layer articulates respectively first-phase, second-phase and third phase wire, on steel pipe pole, be also provided with from high to low and have two cross bars and a low wire rod at least, low wire rod and each cross bar are in the vertical plane of described each standard trolley place plane, each cross bar is respectively in both sides, low wire rod comprises two parts of corresponding both sides respectively, wherein the length of at least one cross bar is greater than the leakage distance of twice, the leakage distance that the length of all the other cross bars is greater than one times, low wire rod two parts length is not less than respectively the extreme length of homonymy cross bar with it.
Take below and major loop I is carried out to reverse T connect as example wiring construction of the present invention is described, as shown in Figure 6, four layers of standard trolley of steel pipe pole one side articulate respectively major loop I ground wire from high to low successively, major loop I phase line C(is as the dotted line in Fig. 6), major loop I phase line B(is as the single-point line in Fig. 6) and major loop I phase line A(as the double dot dash line in Fig. 6), opposite side articulates respectively the three-phase conducting wire of major loop II ground wire and major loop II, first the junction pole that is provided with three cross bars of take illustrates its wiring construction as example, as shown in Figure 6, three cross bars are followed successively by the first cross bar from high to low, the second cross bar and the 3rd cross bar, wherein the length of the first cross bar is not less than the twice of leakage distance, the end of the first cross bar is laid with straight down vertical line 71 and is connected the vertical line as major loop I phase line C with the correspondence position of the low wire rod of homonymy with it, this vertical line is connected with the correspondence position of the low wire rod of homonymy with it with the end of the first cross bar respectively by two insulator strings, major loop I phase line C is connected on this vertical line 71 by connecting line 81, the second cross bar and the 3rd cross bar arrange vertical line 72 and 73 according to the mode of the first cross bar, and respectively by major loop I phase line B and major loop I phase line A respectively the connecting line 82 and 83 by be separately connected on corresponding vertical line, every vertical line two ends are all that insulator is separately connected with low wire rod with corresponding cross bar respectively, low wire rod is also laid with the horizon 91 that for carry out reverse T connect corresponding with each vertical line, 92 and 93, its one end is connected with each vertical line respectively, every horizon respectively insulator by is separately connected with low wire rod, every vertical line is walked around corresponding insulator by connecting line and is connected on corresponding horizon, ground wire is drawn the ground wire 10 as oppositely T connects from steel pipe pole, its top view as shown in Figure 5.
If the cross bar arranging on junction pole is two, its wiring construction as shown in Figure 7, be separately positioned on the position of close major loop I phase line A standard trolley between major loop I phase line C standard trolley and major loop I phase line B standard trolley and between the position of close major loop I phase line C standard trolley and major loop I phase line A standard trolley and low wire rod, wherein be arranged between major loop I phase line C standard trolley and major loop I phase line B standard trolley and be not less than near the cross bar of the position of major loop I phase line C standard trolley the leakage distance of twice, the end of this cross bar is all laid with straight down respectively a vertical line with place, centre position and is connected with the correspondence position of the low wire rod of homonymy, major loop I phase line C(is as the dotted line in Fig. 7) and major loop I phase line B(as the single-point line in Fig. 7) by connecting line separately, be connected to respectively two vertical lines of this cross bar, another cross bar is arranged on opposite side, its end is laid with straight down a vertical line and is connected with the correspondence position of the low wire rod of homonymy, major loop I phase line A(is as the double dot dash line in Fig. 7) by connecting line, connect with the vertical line of corresponding cross bar, every vertical line two ends are all that insulator is separately connected with low wire rod with corresponding cross bar respectively, low wire rod is also laid with corresponding with each vertical line for carrying out the horizon that T connects or π connects, its one end is connected with each vertical line respectively, every horizon respectively insulator by is separately connected with low wire rod, every vertical line is walked around corresponding insulator by connecting line and is connected on corresponding reverse T water receiving horizontal line.
Main line of the present invention is led, ground wire is according to conventional erection mode hanging wire; Diverging tracks (T connects) wire adopts horizontal arrangement, leads, the interfloor distance of ground wire to compress to greatest extent, makes full use of limited spatial altitude; Jumper adopts that single-phase transmission line is upper and lower to be arranged vertically, and each phase conductor is parallel to be arranged along main line direction.
Claims (8)
1. a double back overhead transmission line is maked somebody a mere figurehead junction pole, comprise the vertical steel pipe pole of a base single-column, on this steel pipe pole, be disposed with from high to low four layers of bilateral standard trolley, first floor is for grounding wire, second to the 4th layer is respectively used to articulate first-phase, second-phase and third phase wire, it is characterized in that, on described steel pipe pole, be also provided with from high to low and have two cross bars and a low wire rod at least, described low wire rod and each cross bar are in the vertical plane of described each standard trolley place plane, there are two cross bars respectively in both sides, wherein the length of at least one cross bar is not less than the leakage distance of twice, the length of another cross bar is not less than the leakage distance of a times, described low wire rod comprises two parts of corresponding both sides respectively, described low wire rod two parts length is not less than respectively the extreme length of homonymy cross bar with it.
2. the built on stilts junction pole of double back overhead transmission line according to claim 1, is characterized in that, described cross bar is provided with two altogether, and the cross bar length that is arranged on higher position is not less than the leakage distance of twice.
3. double back overhead transmission line according to claim 1 is maked somebody a mere figurehead junction pole, it is characterized in that, described cross bar is made as three altogether, be followed successively by from high to low the first cross bar, the second cross bar and the 3rd cross bar, wherein the length of the first cross bar is not less than the leakage distance of twice, and all the other two cross bar length are not less than the leakage distance of a times.
4. the wiring construction of the built on stilts junction pole of a double back overhead transmission line, comprise the vertical steel pipe pole of a base single-column, on this steel pipe pole, be disposed with from high to low four layers of bilateral standard trolley, first floor grounding wire, second to the 4th layer articulates respectively first-phase, second-phase and third phase wire, it is characterized in that, on described steel pipe pole, be also provided with from high to low and have two cross bars and a low wire rod at least, described low wire rod and each cross bar are in the vertical plane of described each standard trolley place plane, each cross bar is respectively in both sides, described low wire rod comprises two parts of corresponding both sides respectively, wherein the length of at least one cross bar is not less than the leakage distance of twice, the length of all the other cross bars is not less than the leakage distance of a times, described low wire rod two parts length is not less than respectively the extreme length of homonymy cross bar with it, each cross bar is laid with straight down respectively vertical line and is connected with the correspondence position of the low wire rod of homonymy with it, every phase conductor is connected on corresponding vertical line by connecting line, low wire rod is also laid with the horizon that for carry out T connect corresponding with each vertical line, its one end is connected with each self-corresponding vertical line respectively.
5. double back overhead transmission line according to claim 4 is maked somebody a mere figurehead the wiring construction of junction pole, it is characterized in that, described cross bar is two, the cross bar length that is arranged on higher position is not less than the leakage distance of twice, the end of this cross bar is all laid with straight down respectively a vertical line with place, centre position and is connected with the correspondence position of the low wire rod of homonymy, and first-phase wire and second-phase wire are connected to respectively two vertical lines of this cross bar by connecting line separately.
6. double back overhead transmission line according to claim 4 is maked somebody a mere figurehead the wiring construction of junction pole, it is characterized in that, described cross bar is made as three altogether, be followed successively by from high to low the first cross bar, the second cross bar and the 3rd cross bar, wherein the length of the first cross bar is not less than the leakage distance of twice, all the other two cross bar length are not less than the leakage distance of a times, the end of each cross bar is laid with straight down respectively a vertical line and is connected with the correspondence position of the low wire rod of homonymy, first-phase wire, second-phase wire and third phase wire all respectively the connecting line by be separately connected to the first cross bar, on the vertical line of the second cross bar and the 3rd cross bar.
7. according to the wiring construction of the built on stilts junction pole of the double back overhead transmission line described in claim 5 or 6, it is characterized in that, every described vertical line two ends are all that insulator is separately connected with low wire rod with corresponding cross bar respectively.
8. according to the wiring construction of the built on stilts junction pole of the double back overhead transmission line described in claim 5 or 6, it is characterized in that, every the described horizon respectively insulator by is separately connected with low wire rod, and described every vertical line is walked around corresponding insulator by connecting line and is connected on corresponding horizon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575213.2A CN104141405A (en) | 2013-11-15 | 2013-11-15 | Overhead junction pole for two-circuit overhead transmission line and line junction structure of overhead junction pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575213.2A CN104141405A (en) | 2013-11-15 | 2013-11-15 | Overhead junction pole for two-circuit overhead transmission line and line junction structure of overhead junction pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104141405A true CN104141405A (en) | 2014-11-12 |
Family
ID=51850722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310575213.2A Pending CN104141405A (en) | 2013-11-15 | 2013-11-15 | Overhead junction pole for two-circuit overhead transmission line and line junction structure of overhead junction pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104141405A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119228A (en) * | 2015-08-14 | 2015-12-02 | 国家电网公司 | A double-loop overhead transmission line overhead single-loop phase modulation wiring rod and a wiring structure |
| CN105680400A (en) * | 2016-03-09 | 2016-06-15 | 国家电网公司 | Single-loop power distribution overhead line junction pole and wiring structure thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB431829A (en) * | 1934-12-05 | 1935-07-16 | Pfistershammer Josef | Improvements in or relating to built-up tubular posts |
| US5175442A (en) * | 1990-10-05 | 1992-12-29 | Ashley James R | Six-phase power line geometry for reduced electric and magnetic fields |
| CN101510679A (en) * | 2009-03-20 | 2009-08-19 | 江苏科能电力工程咨询有限公司 | 110KV double-loop T connection steel pipe pole |
| CN101672124A (en) * | 2009-09-25 | 2010-03-17 | 国网电力科学研究院 | Compound material pole tower |
| CN102094544A (en) * | 2009-12-09 | 2011-06-15 | 河南省电力公司安阳供电公司 | 110KV power line double-circuit linear double-T connection tower |
| CN202090663U (en) * | 2010-12-30 | 2011-12-28 | 国家电网公司 | Same-tower and dual-loop straight line steel pipe tower |
| CN102383639A (en) * | 2011-08-19 | 2012-03-21 | 国网电力科学研究院 | Compactly structured pole tower |
| EP2430264B1 (en) * | 2009-05-11 | 2012-10-03 | Secobel | Method for keeping a transportable mast upright during erection or retraction thereof, and a mast assembly |
| CN103046791A (en) * | 2012-11-29 | 2013-04-17 | 安徽华电工程咨询设计有限公司 | Transmission line tangent tower using double-loop cable T guide |
| CN202970091U (en) * | 2012-11-30 | 2013-06-05 | 浙江省电力设计院 | 220-kilovolt same-rod two-circuit tower head full composite material steel pipe rod |
| CN103362343A (en) * | 2013-07-04 | 2013-10-23 | 国家电网公司 | Same-tower six-loop tower |
-
2013
- 2013-11-15 CN CN201310575213.2A patent/CN104141405A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB431829A (en) * | 1934-12-05 | 1935-07-16 | Pfistershammer Josef | Improvements in or relating to built-up tubular posts |
| US5175442A (en) * | 1990-10-05 | 1992-12-29 | Ashley James R | Six-phase power line geometry for reduced electric and magnetic fields |
| CN101510679A (en) * | 2009-03-20 | 2009-08-19 | 江苏科能电力工程咨询有限公司 | 110KV double-loop T connection steel pipe pole |
| EP2430264B1 (en) * | 2009-05-11 | 2012-10-03 | Secobel | Method for keeping a transportable mast upright during erection or retraction thereof, and a mast assembly |
| CN101672124A (en) * | 2009-09-25 | 2010-03-17 | 国网电力科学研究院 | Compound material pole tower |
| CN102094544A (en) * | 2009-12-09 | 2011-06-15 | 河南省电力公司安阳供电公司 | 110KV power line double-circuit linear double-T connection tower |
| CN202090663U (en) * | 2010-12-30 | 2011-12-28 | 国家电网公司 | Same-tower and dual-loop straight line steel pipe tower |
| CN102383639A (en) * | 2011-08-19 | 2012-03-21 | 国网电力科学研究院 | Compactly structured pole tower |
| CN103046791A (en) * | 2012-11-29 | 2013-04-17 | 安徽华电工程咨询设计有限公司 | Transmission line tangent tower using double-loop cable T guide |
| CN202970091U (en) * | 2012-11-30 | 2013-06-05 | 浙江省电力设计院 | 220-kilovolt same-rod two-circuit tower head full composite material steel pipe rod |
| CN103362343A (en) * | 2013-07-04 | 2013-10-23 | 国家电网公司 | Same-tower six-loop tower |
Non-Patent Citations (1)
| Title |
|---|
| 宋岩等: "220kV同塔双回线路钻越500kV线路的方案选择", 《电力建设》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119228A (en) * | 2015-08-14 | 2015-12-02 | 国家电网公司 | A double-loop overhead transmission line overhead single-loop phase modulation wiring rod and a wiring structure |
| CN105119228B (en) * | 2015-08-14 | 2017-11-14 | 国家电网公司 | A kind of aerial list of double back overhead transmission line adjusts back connect line bar and wiring construction |
| CN105680400A (en) * | 2016-03-09 | 2016-06-15 | 国家电网公司 | Single-loop power distribution overhead line junction pole and wiring structure thereof |
| CN105680400B (en) * | 2016-03-09 | 2018-03-20 | 国家电网公司 | A kind of single loop distribution overhead line junction pole and its wiring construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204045951U (en) | A kind of arrangement of 220kV power distribution equipment | |
| CN104141405A (en) | Overhead junction pole for two-circuit overhead transmission line and line junction structure of overhead junction pole | |
| CN108756428A (en) | It is a kind of to be used to make somebody a mere figurehead the bearing platform type narrow base tower under double-circuit line cable T joint draws | |
| CN203205717U (en) | Compact 220kV outdoor GIS power distribution equipment | |
| CN201985528U (en) | Series compensation system adopting line iron towers | |
| CN205724627U (en) | A kind of three-dimensional compact outlet structure being applicable to transformer station 330kV GIS | |
| CN207459403U (en) | A kind of vertical wire outlet structure of compact 330kV substations GIS | |
| CN201360131Y (en) | High-voltage electric power pole tower | |
| CN201846015U (en) | GIS (global information system) power distribution unit adopting one and half breaker connection | |
| CN208473424U (en) | A kind of bearing platform type narrow base tower for making somebody a mere figurehead under double-circuit line cable T joint draws | |
| CN107591684B (en) | Perpendicular outlet structure of 330kV transformer substation GIS | |
| CN210723704U (en) | Double-layer linear outgoing line arrangement structure of 220kV indoor GIS equipment | |
| CN105261986A (en) | Optimization structure of 220kV substation | |
| CN204271577U (en) | A kind of three-phase pipe bus vertical stratification of 500kV transformer station | |
| CN112909751A (en) | 500kV and 220kV indoor substation 500kV and 220kV same-side upper and lower double-layer overhead outgoing line structure | |
| CN205791186U (en) | GIS power distribution equipment end outlet structure | |
| CN206575071U (en) | A kind of tree-like door frame outlet structure of 330kV open airs GIS power distribution equipments | |
| CN105119228A (en) | A double-loop overhead transmission line overhead single-loop phase modulation wiring rod and a wiring structure | |
| CN215070890U (en) | Multilayer vertically-arranged sail-shaped outgoing line structure of GIS power distribution device | |
| CN203312638U (en) | Screw type outgoing line framework arrangement structure of 220 kilovolt outdoor power distribution device | |
| CN201210610Y (en) | Branch tower having corner cross-arm | |
| CN205646451U (en) | Distribution system of being qualified for next round of competitions of GIS transformer substation | |
| CN210201430U (en) | 16 return circuits 220kV of transformer substation make an uproar structure of being qualified for next round of competitions that puts on stilts | |
| CN105244834B (en) | A kind of double T wiring towers of double back overhead transmission line and wiring construction | |
| CN205135023U (en) | Circuit framework and overhead line structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141112 |