CN102561783A - 500kV vertical-arrangement symmetrical double-circuit compact tangent tower - Google Patents
500kV vertical-arrangement symmetrical double-circuit compact tangent tower Download PDFInfo
- Publication number
- CN102561783A CN102561783A CN2012100211677A CN201210021167A CN102561783A CN 102561783 A CN102561783 A CN 102561783A CN 2012100211677 A CN2012100211677 A CN 2012100211677A CN 201210021167 A CN201210021167 A CN 201210021167A CN 102561783 A CN102561783 A CN 102561783A
- Authority
- CN
- China
- Prior art keywords
- tower
- phase conductor
- head
- compact
- windows
- 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
- 239000004020 conductor Substances 0.000 claims abstract description 30
- 239000012212 insulator Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000002146 bilateral effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
A 500kV vertical-arrangement symmetrical double-circuit compact tangent tower comprises ground wire supports, phase conductors,tower windows, V-shaped insulator strings, a tower body, and tower legs, wherein the tower windows are formed by enclosing a tower body middle column, side columns, a lower cross arm and an upper cross arm, each tower window is provided with one upper phase conductor, one middle phase conductor and one lower phase conductor in vertical arrangement in a circuit, all the phase conductors are connected with the tower windows through the V-shaped insulator strings, a tower head composed of two tower windows in bilateral symmetry is disposed at the top of the tower body, the tower form of the whole tower head is axially symmetrical, the ground wire supports are disposed at the top of the tower head, and the ground wires and the phase conductors below form negative protection angles. The tower head and the tower body are structurally optimized, the conductors employ the insulator string style for improvement, the tower head is compact in arrangement, and accordingly the tower is novel and creative in structure, the width of a line corridor and the height of the tower are reduced to the maximum extent, transmission power of the single corridor is improved, line electromagnetic environment is improved, and the tower is an innovative double-circuit tower meeting the requirements on both width limit and height limit.
Description
Technical field
What the present invention relates to is a kind of double loop compact tangent tower, has especially a kind ofly not only satisfied limit for height but also has satisfied the 500kV vertical arrangement symmetric arrangement double loop compact tangent tower that limit for width requires, and belongs to the overhead transmission line iron tower.
Background technology
500kV is two to return Qiaosi-money river 500kV work transmission line, because circuit gos deep into economically developed down town, Hangzhou, resident house and other buildings are than comparatively dense, and land resourcess such as farmland are nervous, and the transmission line of electricity width of corridor is taken up an area of has strict planning requirement; The simultaneously airport of adjacent lines and the height that military direction finding station has limited circuit, require this engineering circuit within the specific limits maximum height be no more than 50m.
Present domestic compact line has only single loop (inverted triangle), double loop level (inverted triangle) to arrange two kinds of forms.Inverted triangle horizontal arrangement double loop compact line, there is significant limitations than conventional double circuit line also wide (being about 20m) in width of corridor (being about 26m) in congested area, circuit corridor, can't promote in the nervous area of land resources.
500kV double loop shrunk type tower adopts V string vertical hanging; Iron tower is arranged to hyperbolic type or drum type; Wire spacing is little, is applicable to narrow area, corridor, but this tower tower head height is big; Satisfy lead over the ground safe distance under the situation, can't satisfy the requirement of general airport, military direction finding station 50m limit for height.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists; There is the limit for height requirement simultaneously to some regional circuit corridors are narrow; Provide a kind of same return wire vertically to be arranged in the same tower window, adopt the suspension of V string, alternate no earthing component double loop compact tangent tower.
The objective of the invention is to accomplish through following technical scheme; It mainly comprises: ground line bracket, phase conductor, tower window, V-type insulator string, body of the tower, tower leg; Wherein said tower window is surrounded by body of the tower center pillar, side column, following cross-arm and last cross-arm and forms; Arrange a upper, middle and lower loop, that be vertical arrangement three-phase conducting wire in the tower window, phase conductor all is connected with the tower window through the V-type insulator string.
Be provided with above the described body of the tower by symmetrical two tower heads that the tower window is formed, and the tower of whole tower head axisymmetricly; Said ground line bracket is positioned at the tower head top, is negative shielding angle with the phase conductor of below.
Described phase conductor adopts 6 divisions, and heading spacing is 375mm, and phase conductor central horizontal distance in loop, the left and right sides is 11.7 meters, the tower head height, and promptly the distance of lower wire hanging point line bracket to ground is 16.6 meters, whole tower height degree is limited in 50 meters.
Described body of the tower both sides horizontal symmetrical is furnished with two loop tower windows, and two times common six phase lead all adopts V-type insulator string and following cross-arm and last cross-arm to connect respectively, and the phase conductor vertical interval is 7.1 meters.
500kV vertical arrangement symmetric arrangement of the present invention double loop compact type tower; Its objective is and compress horizontal range and tower head height between different circuit as far as possible; New tower makes full use of the suspension of V string, vertical arrangement reduces wire spacing; Reduce the tower head height through cancellation interlayer cross-arm, under the condition of limit for width limit for height, satisfy the air gap and livewire work requirement simultaneously.
The present invention arranges compactness; The novel structure innovation; Compress circuit width of corridor and shaft tower height to greatest extent, improved the transmission power of unit corridor, improved the line electricity magnetic environment; Be a kind of innovative double that limit for width satisfies the limit for height requirement again that promptly satisfies, create a new road for building the 500kV circuit in the developed area of the crowded especially limited high request again of passage.
Description of drawings
Fig. 1 is the structural representation of vertical arrangement symmetric arrangement according to the invention double loop compact tangent tower.
The specific embodiment
To combine accompanying drawing that the present invention is done detailed introduction below: shown in Figure 1,500kV vertical arrangement symmetric arrangement of the present invention double loop compact tangent tower, it comprises: ground line bracket 1, phase conductor 2, tower window 3, V-type insulator string 4, body of the tower 5, tower leg 6.The central horizontal distance of loop, left and right sides phase conductor 2 is 11.7 meters, and tower head height (distance of lower wire hanging point 11 line bracket 1 to ground) is 16.6 meters, and whole tower height degree is limited in 50 meters.
Tower window 3 shown in the figure is surrounded by body of the tower center pillar 10, side column 9, following cross-arm 8 and last cross-arm 7 and forms; Arrange the upper, middle and lower three-phase conducting wire 2 of the vertical arrangement in a loop in the tower window 3; Phase conductor 2 all is connected with tower window 3 through V-type insulator string 4; Do not have earthing component between phase conductor, the phase conductor vertical interval is 7.1 meters.
Tower head is made up of symmetrical two tower windows 3, and whole tower axisymmetricly; Ground line bracket 1 is positioned at the tower head top, is negative shielding angle with the phase conductor of below, further improves anti-thunder performance.
Phase conductor adopts 6 divisions, and heading spacing is 375mm, and through calculating when lead is 14 meters to ground level, maximum power-frequency electric field strength is all less than 4kV/m under the line; When lead was 19 meters to ground level, maximum power-frequency electric field strength was merely 2.76kV/m under the line, and reference point place audible noise level is 44.72 dB (A), and the reference point radio interference level is 41.67dB, all satisfies the requirement of rules limit value.
Embodiment:
1), the tower head basic demand of arranging,
The basic problem that tower head is arranged be guarantee between lead wire and earth wire, between lead and they and shaft tower member and operating maintenance personnel between necessary gap.For guaranteeing that circuit normally moves, the controlled condition that needs to consider can be divided into thunderbolt or the needed lead wire and earth wire positioned opposite of counterattack lead in electric clearance, the wire spacing in the span and the defence span on the tower head.
2), phase conductor is arranged
Phase conductor adopts vertical arrangement to arrange, at 5mm ice and do not have the ice formation and can not consider the horizontal-shift between the lead, the above ice formation of 5mm deices the jump flashover in order to prevent the levels lead, needs the horizontal-shift between the consideration lead.Vertical distance between phase conductor through switching overvoltage discharge, livewire work experimental study, confirms in the lead that interlamellar spacing in the heart is 7.1m, and distance is not less than 5.4m between the isopic zone electricity body.
3), the different circuit wire spacing,
The different circuit lead need keep certain distance, satisfies in tower head and the span lead and prevents switching overvoltage discharge requirement.Confirm the tower head wire spacing according to insulator string is long with angle, check discharge scenario under the asynchronous swing situation of lead in the span under this distance.Tower lead distance between centers of the present invention is 11.7m, is applied in below the span 500m interbody spacer rod of can uneasiness pretending.
As a kind of improvement, the present invention is arranged in same loop three-phase conducting wire in the same tower window, and the three-phase conducting wire vertical arrangement does not have earthing component between phase conductor.
As a kind of improvement, the present invention is arranged in the body of the tower both sides with two loop tower window horizontal symmetrical, and structural design optimization is reasonable, promptly satisfies limit for height and requires to satisfy again the limit for width requirement.
As a kind of improvement, the present invention is total to the six phase lead for two times and all adopts V-type insulator string and iron tower lead cross-arm to connect, and further compressed lines route road width of corridor, ground wire adopt bears shielding angle design, further improves the line thunder protection performance.
At last, need to prove that what more than enumerate only is specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, a lot of distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate all should be thought protection scope of the present invention.
Claims (4)
1. double loop compact tangent tower; It mainly comprises: ground line bracket (1), phase conductor (2), tower window (3), V-type insulator string (4), body of the tower (5), tower leg (6); It is characterized in that wherein said tower window (3) is by body of the tower center pillar (10), side column (9), cross-arm (8) and last cross-arm (7) surround and form down; Arrange a upper, middle and lower loop, that be vertical arrangement three-phase conducting wires (2) in the tower window (3), phase conductor (2) all is connected with tower window (3) through V-type insulator string (4).
2. double loop according to claim 1 compact tangent tower it is characterized in that being provided with the tower head of being made up of symmetrical two tower windows (3) above the described body of the tower (5), and the tower of whole tower head axisymmetricly; Said ground line bracket (1) is positioned at the tower head top, is negative shielding angle with the phase conductor (2) of below.
3. double loop according to claim 1 and 2 compact tangent tower; It is characterized in that described phase conductor (2) adopts 6 divisions; Heading spacing is 375mm, and loop, left and right sides phase conductor (2) central horizontal distance is 11.7 meters, the tower head height; The distance that is lower wire hanging point (11) line bracket (1) to ground is 16.6 meters, and whole tower height degree is limited in 50 meters.
4. double loop according to claim 1 and 2 compact tangent tower; It is characterized in that described body of the tower (5) both sides horizontal symmetrical is furnished with two loop tower windows (3); Be total to six phase lead (2) two times and all adopt V-type insulator string (4) and following cross-arm (8) and last cross-arm (7) to connect respectively, phase conductor (2) vertical interval is 7.1 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100211677A CN102561783A (en) | 2012-01-31 | 2012-01-31 | 500kV vertical-arrangement symmetrical double-circuit compact tangent tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100211677A CN102561783A (en) | 2012-01-31 | 2012-01-31 | 500kV vertical-arrangement symmetrical double-circuit compact tangent tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102561783A true CN102561783A (en) | 2012-07-11 |
Family
ID=46408248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100211677A Pending CN102561783A (en) | 2012-01-31 | 2012-01-31 | 500kV vertical-arrangement symmetrical double-circuit compact tangent tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102561783A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817489A (en) * | 2012-09-11 | 2012-12-12 | 河北省电力勘测设计研究院 | Double-tower-window double-loop linear tower |
| CN106639492A (en) * | 2016-12-22 | 2017-05-10 | 国网福建省电力有限公司 | 3V bunch iron tower and construction process thereof |
| CN109458032A (en) * | 2018-12-07 | 2019-03-12 | 绍兴大明电力设计院有限公司 | Wear straight line narrow base tower in double loop |
| US11799278B1 (en) | 2020-08-07 | 2023-10-24 | Inventus Holdings, Llc | Type C compact electric transmission line support structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1077371A (en) * | 1963-01-31 | 1967-07-26 | Rutenberg Abraham | Improvements in or relating to high tension electric power conductor suspension |
| CN101232164A (en) * | 2008-01-31 | 2008-07-30 | 云南电力试验研究院（集团）有限公司电力研究院 | High altitude 500kV compact type electric power line |
| CN100577974C (en) * | 2005-12-06 | 2010-01-06 | 北京国电华北电力工程有限公司 | Double-circuit compact linear transmission tower on the same tower |
| CN201433592Y (en) * | 2009-06-26 | 2010-03-31 | 国家电网公司 | An ultra-high voltage iron tower |
| CN201486201U (en) * | 2009-06-26 | 2010-05-26 | 中国电力工程顾问集团公司 | A UHV tension tower |
| CN101881091A (en) * | 2009-12-03 | 2010-11-10 | 中国电力工程顾问集团华北电力设计院工程有限公司 | 500kV vertical one-tower double-loop compact type power transmission linear tower model |
| CN202441099U (en) * | 2012-01-31 | 2012-09-19 | 浙江省电力设计院 | 500kV dual-loop compact straight-line tower in vertical and symmetrical arrangement |
-
2012
- 2012-01-31 CN CN2012100211677A patent/CN102561783A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1077371A (en) * | 1963-01-31 | 1967-07-26 | Rutenberg Abraham | Improvements in or relating to high tension electric power conductor suspension |
| CN100577974C (en) * | 2005-12-06 | 2010-01-06 | 北京国电华北电力工程有限公司 | Double-circuit compact linear transmission tower on the same tower |
| CN101232164A (en) * | 2008-01-31 | 2008-07-30 | 云南电力试验研究院（集团）有限公司电力研究院 | High altitude 500kV compact type electric power line |
| CN201433592Y (en) * | 2009-06-26 | 2010-03-31 | 国家电网公司 | An ultra-high voltage iron tower |
| CN201486201U (en) * | 2009-06-26 | 2010-05-26 | 中国电力工程顾问集团公司 | A UHV tension tower |
| CN101881091A (en) * | 2009-12-03 | 2010-11-10 | 中国电力工程顾问集团华北电力设计院工程有限公司 | 500kV vertical one-tower double-loop compact type power transmission linear tower model |
| CN202441099U (en) * | 2012-01-31 | 2012-09-19 | 浙江省电力设计院 | 500kV dual-loop compact straight-line tower in vertical and symmetrical arrangement |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817489A (en) * | 2012-09-11 | 2012-12-12 | 河北省电力勘测设计研究院 | Double-tower-window double-loop linear tower |
| CN106639492A (en) * | 2016-12-22 | 2017-05-10 | 国网福建省电力有限公司 | 3V bunch iron tower and construction process thereof |
| CN109458032A (en) * | 2018-12-07 | 2019-03-12 | 绍兴大明电力设计院有限公司 | Wear straight line narrow base tower in double loop |
| CN109458032B (en) * | 2018-12-07 | 2024-03-26 | 绍兴大明电力设计院有限公司 | Double-loop body-penetrating straight line narrow foundation tower |
| US11799278B1 (en) | 2020-08-07 | 2023-10-24 | Inventus Holdings, Llc | Type C compact electric transmission line support structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205243135U (en) | Two times overhead transmission line alternately bores tower more | |
| CN201695737U (en) | Double circuit high voltage overhead line tower | |
| CN102561783A (en) | 500kV vertical-arrangement symmetrical double-circuit compact tangent tower | |
| CN105155908A (en) | Heavy icing area alternating current strain tower in shape like Chinese character 'gan' | |
| CN205509438U (en) | Device is down drawn at four loop cable terminals | |
| CN103362343B (en) | A kind of with tower six circuit pole tower | |
| CN202810314U (en) | 220kV T-shaped double-circuit drilling tower | |
| CN102296864A (en) | Novel tower for extra-high voltage dual-circuit compact transmission | |
| CN201953131U (en) | 220kV one-tower double-loop straight corner penetrating tower | |
| CN204858287U (en) | 220kVGIS three -layer roof beam outlet structure | |
| CN102287070A (en) | Z-shaped side slope tower | |
| CN202441099U (en) | 500kV dual-loop compact straight-line tower in vertical and symmetrical arrangement | |
| CN219477434U (en) | Compact arrangement structure of outgoing lines of transformer substation | |
| CN201406865Y (en) | 66KV overhead transmission line double-circuit horizontal crossing tower | |
| CN102817489A (en) | Double-tower-window double-loop linear tower | |
| CN209924555U (en) | 220kV single-loop strain drill crossing tower | |
| CN204754412U (en) | Same terminal pole of two telegram in reply cables at present of unilateral cross arm | |
| CN206053506U (en) | A kind of transmission line tangent tower | |
| CN204691370U (en) | The novel butterfly in 110kV double loop, high altitude localities bores more tower | |
| CN204370879U (en) | A kind of novel crossed transposition tower | |
| CN203205717U (en) | Compact 220kV outdoor GIS power distribution equipment | |
| CN207847235U (en) | No ground pole DC transmission line line pole tower | |
| CN214144970U (en) | 500kV single-circuit dry-type drilling strain tower | |
| CN104538850A (en) | Three-phase tube bus vertical structure of 1000 kV transformer substation | |
| CN204850643U (en) | Steel pipe pole is more bored to trigeminy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120711 |