CN106150177A - A kind of terminal anchor support for double-layer frame outlet - Google Patents
A kind of terminal anchor support for double-layer frame outlet Download PDFInfo
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- CN106150177A CN106150177A CN201610740019.9A CN201610740019A CN106150177A CN 106150177 A CN106150177 A CN 106150177A CN 201610740019 A CN201610740019 A CN 201610740019A CN 106150177 A CN106150177 A CN 106150177A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
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- 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
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Abstract
The present invention relates to a kind of terminal anchor support for double-layer frame outlet, compared with prior art solve the Traverse phase-order arrangement when double-layer frame outlet of terminal anchor support and select limited defect.In the present invention, framework side wire tension-resistant insulator chain is installed in the terminal tower framework side of ground floor cross-arm, second layer cross-arm and third layer cross-arm, terminal tower inlet wire wire it is mounted on framework side wire tension-resistant insulator chain, line side wire strain insulator string is installed in second layer cross-arm, third layer cross-arm and the terminal tower line side of the 4th layer of cross-arm, and line side wire strain insulator string is mounted on terminal tower outgoing conductor.The present invention can be greatly improved double-layer frame outgoing conductor phase sequence arrangement degree of freedom, meets and Traverse phase-order arrangement is required strict special engineering.
Description
Technical field
The present invention relates to iron tower of power transmission line technical field, a kind of terminal for double-layer frame outlet is resistance to
Open tower.
Background technology
Transformer station's outlet design is typically the version for monolayer framework, but on economically developed, denser population ground
District, for compression transformer station size, reduces permanent occupation of land, and increasing transformer station is considered as the version of double-layer frame.
Double-layer frame outlet at present all uses common double loop terminal anchor support, i.e. one layer earth wire support and three layer conductors horizontal
Load, as depicted in figs. 1 and 2, wire is arranged vertically within three layer conductor cross-arms, arranges in same layer.It is calculated analytically, uses common
Double loop terminal anchor support, major part phase sequence arrangement (about 56.6%) can cause inlet wire shelves wire phase spacing to be unsatisfactory for specification will
Ask.If the wire arrangements of double-layer frame is negative phase sequence (upper strata cba, lower floor CBA), common double loop terminal anchor support three layer conductor
Cross-arm is respectively upper, middle and lower.Through computational analysis, prior art use common double-loop terminal tower total " under (1) a/C on
Under a (2) under/B upper (3) b/C upper (4) a under/C in (5) a/C on " five kinds of situations can be suitable for, and other 20 kinds layouts are alternate
Distance is unsatisfactory for code requirement, and i.e. 56.6% is unsatisfactory for requirement.Therefore the terminal anchor support of prior art is not suitable for bilayer
Major part Traverse phase-order arranging situation during framework outlet, becomes transformer station and arranges the restraining factors of double-layer frame.
How to develop a kind of terminal anchor support that can at utmost meet the arrangement of multiple phase sequence when double-layer frame outlet
Have become as urgent need to solve the technical problem that.
Summary of the invention
The invention aims to solve terminal anchor support Traverse phase-order row when double-layer frame outlet in prior art
The defect that column selection is limited, it is provided that a kind of terminal anchor support for double-layer frame outlet solves the problems referred to above.
To achieve these goals, technical scheme is as follows:
A kind of terminal anchor support for double-layer frame outlet, including tower body, described tower body is installed the most successively
There are ground floor cross-arm, second layer cross-arm, third layer cross-arm and the 4th layer of cross-arm, ground floor cross-arm, second layer cross-arm and third layer
End, cross-arm the same side based on tower body is mounted on framework side wire tension-resistant insulator chain, second layer cross-arm, third layer cross-arm
It is mounted on line side wire strain insulator string, framework side wire tension-resistant with end, the 4th layer of cross-arm the same side based on tower body
Insulator chain and line side wire strain insulator string are positioned at the same side of tower body；
Framework side wire tension-resistant insulator chain is installed in ground floor cross-arm, second layer cross-arm and the terminal of third layer cross-arm
Tower framework side, framework side wire tension-resistant insulator chain is mounted on terminal tower inlet wire wire, line side wire strain insulator
String is installed in second layer cross-arm, third layer cross-arm and the terminal tower line side of the 4th layer of cross-arm, and line side wire strain insulator insulate
Terminal tower outgoing conductor it is mounted on substring；
The terminal tower inlet wire wire of ground floor cross-arm is connected with the terminal tower outgoing conductor of second layer cross-arm by wire jumper, the
The terminal tower inlet wire wire of two layers of cross-arm is connected with the terminal tower outgoing conductor of third layer cross-arm by wire jumper, third layer cross-arm
Terminal tower inlet wire wire is connected by the terminal tower outgoing conductor of wire jumper and the 4th layer of cross-arm.
Also including the wire jumper suspension assembly being arranged on ground floor cross-arm, wire jumper suspension assembly is exhausted with framework side wire tension-resistant
Edge substring is positioned at the same side of tower body；Described wire jumper suspension assembly includes wire jumper insulator chain and jumper wire support pipe, and wire jumper is exhausted
Edge substring is arranged on the lower section of ground floor cross-arm, and jumper wire support pipe is arranged on the lower section of wire jumper insulator chain, ground floor cross-arm
Terminal tower inlet wire wire is connected on one end of jumper wire support pipe by wire jumper, and the terminal tower outgoing conductor of second layer cross-arm passes through wire jumper
It is connected on the other end of jumper wire support pipe.
Described ground floor cross-arm, second layer cross-arm, third layer cross-arm and the 4th layer of cross-arm are trapezoidal inverted structure.
The top of described ground floor cross-arm is provided with framework side ground wire strain hardware fitting string and line side ground wire strain hardware fitting
String, framework side ground wire strain hardware fitting string, line side ground wire strain hardware fitting string are all positioned at tower with framework side wire tension-resistant insulator chain
The same side of body, framework side ground wire strain hardware fitting displacement is in the terminal tower framework side of ground floor cross-arm, line side ground wire strain insulator gold
Tool displacement is in the terminal tower line side of ground floor cross-arm.
The quantity of described wire jumper insulator chain is 2.
Beneficial effect
A kind of terminal anchor support for double-layer frame outlet of the present invention, compared with prior art can be greatly improved double
Layer framework outgoing conductor phase sequence arrangement degree of freedom, meets and Traverse phase-order arrangement is required strict special engineering.
By the layer of four layers of cross-arm every wire jumper Transition Design so that upper strata outlet and lower floor's outlet of double-layer frame achieve
Staggered floor designs, and the present invention only has " under a on C " situation and cannot be suitable for, and arranges that phase spacing is unsatisfactory for code requirement, i.e. for 4 kinds
11.1% is unsatisfactory for requirement, can meet major part arrangements of conductors situation, and phase sequence arrangement degree of freedom is significantly increased, and " under a on C " feelings
Condition also can give reality by strengthening the existing means such as double-layer frame vertical interval, follow-up line Phases adjustment on the basis of the present invention
Existing.There is the feature of simple in construction, applied range.
Accompanying drawing explanation
Fig. 1 is the structure front view of terminal anchor support in prior art；
Fig. 2 is the structural side view of Fig. 1；
Fig. 3 is the structure front view of the present invention；
Fig. 4 is the side view of Fig. 3；
Fig. 5 be the present invention tower body structure use prior art insulator arrangement structural side view；
Fig. 6 is the present invention structural representation when reality is applied；
Fig. 7 is conventional double-loop terminal tower computational analysis figure in prior art；
Fig. 8 is the double-loop terminal tower computational analysis figure of the present invention；
Wherein, 1-tower body, 2-ground floor cross-arm, 3-second layer cross-arm, 4-third layer cross-arm, 5-the 4th layer of cross-arm, 6-structure
Frame side ground wire strain hardware fitting string, 7-framework side wire tension-resistant insulator chain, 8-wire jumper insulator chain, 9-jumper wire support pipe, 10-line
Trackside wire tension-resistant insulator chain, 11-terminal tower inlet wire wire, 12-terminal tower outgoing conductor, 13-line side ground wire strain insulator gold
Tool string, 14-double-layer frame, 15-double-layer frame lower floor, 16-double-layer frame upper strata, 17-anchor support.
Detailed description of the invention
By making the architectural feature to the present invention and effect of being reached have a better understanding and awareness, in order to preferably
Embodiment and accompanying drawing coordinate detailed description, are described as follows:
As it is shown on figure 3, a kind of terminal anchor support for double-layer frame outlet of the present invention, including tower body 1, tower body
1 is sequentially installed with ground floor cross-arm 2, second layer cross-arm 3, third layer cross-arm 4 and the 4th layer of cross-arm 5 from top to bottom, and ground floor is horizontal
Load 2 shares cross-arm for ground wire and wire, it is considered to inlet wire shelves span is typically small, so ground wire requires relatively with upper conductor vertical interval
Little, may be disposed so that one layer of cross-arm.
For being directed to tower body 1, the cross-arm that it is installed can realize the installation in two loops and hang, and i.e. pacifies at tower body 1
Cross-arm one side end of dress is installed for a loop, and the cross-arm end side that tower body 1 is installed is installed for another loop.
As shown in Figure 4, end, ground floor cross-arm 2, second layer cross-arm 3 and third layer cross-arm 4 the same side based on tower body 1 is mounted on structure
Frame side wire tension-resistant insulator chain 7, the quantity of framework side wire tension-resistant insulator chain 7 is 3, is used to the peace in same loop
Dress.Second layer cross-arm 3, third layer cross-arm 4 and end, the 4th layer of cross-arm 5 the same side based on tower body 1 are mounted on line side and lead
Line strain insulator string 10, the quantity of line side wire strain insulator string 10 is also 3, too for same loop
Install.Framework side wire tension-resistant insulator chain 7 and line side wire strain insulator string 10 are positioned at the same side of tower body 1, i.e. structure
Frame side wire tension-resistant insulator chain 7 and both line side wire strain insulator strings 10 cooperate and pacify a loop
Dress.
Framework side wire tension-resistant insulator chain 7 is installed in ground floor cross-arm 2, second layer cross-arm 3 and third layer cross-arm 4
Terminal tower framework side, terminal tower framework side is ground floor cross-arm 2, second layer cross-arm 3 and third layer cross-arm 4 and double-layer frame 14 phase
To side.Terminal tower inlet wire wire 11, i.e. ground floor cross-arm 2, the second layer it is mounted on framework side wire tension-resistant insulator chain 7
The terminal tower framework side of cross-arm 3 and third layer cross-arm 4 is used to install the terminal tower inlet wire wire 11 of double-layer frame 14.Line side
Wire tension-resistant insulator chain 10 is installed in second layer cross-arm 3, third layer cross-arm 4 and the terminal tower line side of the 4th layer of cross-arm 5,
Terminal tower line side is ground floor cross-arm 2, second layer cross-arm 3 and third layer cross-arm 4 and anchor support 17 opposite side.Line side is led
Terminal tower outgoing conductor 12, i.e. ground floor cross-arm 2, second layer cross-arm 3 and third layer it is mounted on line strain insulator string 10
The terminal tower line side of cross-arm 4 is used to install the terminal tower outgoing conductor 12 of anchor support 17.
The terminal tower inlet wire wire 11 of the ground floor cross-arm 2 terminal tower outgoing conductor 12 by wire jumper with second layer cross-arm 3
It is connected, does not install wire tension-resistant string in the terminal tower line side of this ground floor cross-arm 2, its direct and terminal of second layer cross-arm 3
Tower line side is attached, hereby it is achieved that the staggered floor design of ground floor cross-arm 2 to second layer cross-arm 3.In like manner, the second layer is horizontal
The terminal tower inlet wire wire 11 of load 3 is connected with the terminal tower outgoing conductor 12 of third layer cross-arm 4 by wire jumper, third layer cross-arm 4
Terminal tower inlet wire wire 11 be connected by the terminal tower outgoing conductor 12 of wire jumper and the 4th layer of cross-arm 5.The end of the 4th layer of cross-arm 5
Head tower framework side does not has the design of cross-arm yet, and it is only intended to the staggered floor design coordinated with third layer cross-arm 4.By such mistake
Layer design so that terminal anchor support four layer conductor cross-arm be respectively upper, in upper, under, lower four azimuth design, add wire
Between clearance space up and down, be greatly improved Traverse phase-order arrangement degree of freedom.
In order to increase the clearance space up and down between wire further, it is also possible to install wire jumper on ground floor cross-arm 2 and hang
Hanging component, wire jumper suspension assembly and framework side wire tension-resistant insulator chain 7 are positioned at the same side of tower body 1, are used for coordinating framework side
Wire tension-resistant insulator chain 7 and line side wire strain insulator string 10.Wire jumper suspension assembly includes wire jumper insulator chain 8 and jumps
Line props up stay tube 9, and wire jumper insulator chain 8 is arranged on the lower section of ground floor cross-arm 2, and jumper wire support pipe 9 is arranged on wire jumper insulator chain 8
Lower section, wherein the quantity of wire jumper insulator chain 8 can be 2.The terminal tower inlet wire wire 11 of ground floor cross-arm 2 passes through wire jumper
Being connected on one end of jumper wire support pipe 9, the terminal tower outgoing conductor 12 of second layer cross-arm 3 is connected on jumper wire support pipe 9 by wire jumper
The other end, by the design of jumper wire support pipe 9, meets wire jumper to tower body safe distance requirement.In like manner, second layer cross-arm 3 He
Third layer cross-arm 4 can also use the design of wire jumper suspension assembly.Can also be by ground floor cross-arm 2, second layer cross-arm the 3, the 3rd
Layer cross-arm 4 and the 4th layer of cross-arm 5 are trapezoidal inverted structure, utilize the height of cross-arm self, further increase between cross-arm
Distance up and down.
It is directed to ground wire install, framework side ground wire strain hardware fitting string 6 and line side are installed on the top of ground floor cross-arm 2
Ground wire strain hardware fitting string 13, ground floor cross-arm 2 shares cross-arm as ground wire and wire.Framework side ground wire strain hardware fitting string 6, circuit
Side ground wire strain hardware fitting string 13 is all positioned at the same side of tower body 1, framework side ground wire strain insulator with framework side wire tension-resistant insulator chain 7
Hardware string 6 is positioned at the terminal tower framework side of ground floor cross-arm 2, and line side ground wire strain hardware fitting string 13 is positioned at ground floor cross-arm 2
Terminal tower line side, ground wire is arranged on framework side ground wire strain hardware fitting string 6 and line side ground wire strain insulator by traditional mounting means
On hardware string 13.
As shown in Figure 6, when actually used, the terminal tower framework side in the present invention is double-layer frame 14, double-layer frame 14
It is provided with double-layer frame lower floor 15 and double-layer frame upper strata 16, is anchor support 17 in the terminal tower line side of the present invention.According to double
Phase sequence design on layer framework 14, can be for using different gage system.As a example by Fig. 6, institute in double-layer frame lower floor 15
Connect wire (black line in Fig. 6) and tower body 1 can be accessed by the way of prior art.The most in the present invention, based on tower body 1 two
Side can use 4 layers of cross-arm staggered floor design simultaneously, it is also possible to side uses staggered floor design, and opposite side is as it is shown in figure 5, use existing
Three layers of cross-arm design in technology.Double-layer frame upper strata 16, according to its Signal Phase Design needs, double-layer frame upper strata 16 picks out end
Head tower inlet wire wire 11 (dotted line in Fig. 6) is connected to second to ground floor cross-arm 2, second layer cross-arm 3, third layer cross-arm 4, then staggered floor
Layer cross-arm 3, third layer cross-arm 4 and the 4th layer of cross-arm 5, picked out by second layer cross-arm 3, third layer cross-arm 4 and the 4th layer of cross-arm 5
Terminal tower outgoing conductor 12 to anchor support 17.
For interfloor distance 7.0m, hanging point absolute altitude 14.0m, spaced apart for 2.5m～4.0m～4.0m～2.5m, every phase
Maximum tension is the 220kV double-layer frame 14 of 10kN, is spaced quantity and ordering according to double-layer frame 14, uses 2 with wire
As a example by × JL/G1A-400/35, span are the inlet wire shelves of 80m.Conventional double-loop terminal tower computational analysis such as Fig. 7 in prior art
Shown in, the same circuit is directly connected to framework monolayer mutually, and framework every layer alternate hanging point distance is consistent with routine, so same time
It is believed that meet requirement between road is biphase, it is only necessary to spacing between inspection different circuit not homophase.
If the cross-arm abc on double-layer frame upper strata 16 is connected to DEF side in existing terminal anchor support cross-arm Fig. 7, double-layer frame
Lower floor 15 cross-arm ABC is connected to GHI side in terminal anchor support cross-arm Fig. 7.
Through calculating, total AD-cI, BD-cI, AD-bI, AE-cI, AD-cH, AE-bI sequence symmetric position there may be
Problem.As shown in table 1,
Under table 1 typical calculation, conventional double loop terminal does not meets situation checklist
From calculated above, double-layer frame outlet, use the phase sequence of conventional double-loop terminal tower larger area to arrange not
Meeting requirement, the ratio of being unsatisfactory for reaches 55.6% (20/36).
As shown in Figure 8, outlet staggered floor is used to connect with four layers of cross-arm double-loop terminal tower of the present invention, double-layer frame lower floor
15 3 are connected three-phase under terminal tower side, and double-layer frame upper strata 16 3 is connected three-phase on terminal tower side.
If the cross-arm abc on double-layer frame upper strata 16 is connected to the DEFG side in Fig. 8 of the present invention, the cross-arm of double-layer frame lower floor 15
The HJIK side that ABC is connected in Fig. 8.
It is unsatisfactory for requirement through calculating only aF-CI.As shown in table 2,
The terminal situation checklist of table 2 present invention
Understanding according to above calculating, when using four layers of cross-arm terminal tower, only aF-CI inlet wire shelves wire phase spacing is unsatisfactory for
Requirement, other phase sequences are satisfied by requirement, and outlet phase sequence arrangement motility is greatly improved.And aF-CI inlet wire shelves wire, can pass through
Follow-up position-changing tension tower realizes.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
The personnel simply present invention it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
Principle, the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, these change and
Improvement both falls within the range of claimed invention.The protection domain of application claims by appending claims and
Equivalent defines.
Claims (5)
1. for a terminal anchor support for double-layer frame outlet, including tower body (1), it is characterised in that: described tower body (1) is certainly
It is sequentially installed with down ground floor cross-arm (2), second layer cross-arm (3), third layer cross-arm (4) and the 4th layer of cross-arm (5), first
Layer cross-arm (2), second layer cross-arm (3) and third layer cross-arm (4) end, the same side based on tower body (1) are mounted on framework side and lead
Line strain insulator string (7), second layer cross-arm (3), third layer cross-arm (4) and the 4th layer of cross-arm (5) are based on tower body (1) same
Side end is mounted on line side wire strain insulator string (10), and framework side wire tension-resistant insulator chain (7) is led with line side
Line strain insulator string (10) is positioned at the same side of tower body (1)；
Framework side wire tension-resistant insulator chain (7) is installed in ground floor cross-arm (2), second layer cross-arm (3) and third layer cross-arm
(4) terminal tower framework side, framework side wire tension-resistant insulator chain (7) is mounted on terminal tower inlet wire wire (11), circuit
Side wire tension-resistant insulator chain (10) is installed in second layer cross-arm (3), third layer cross-arm (4) and the end of the 4th layer of cross-arm (5)
Head tower line side, line side wire strain insulator string (10) is mounted on terminal tower outgoing conductor (12)；
Terminal tower inlet wire wire (11) of ground floor cross-arm (2) is by the terminal tower outgoing conductor of wire jumper with second layer cross-arm (3)
(12) being connected, terminal tower inlet wire wire (11) of second layer cross-arm (3) is by the terminal tower outlet of wire jumper with third layer cross-arm (4)
Wire (12) is connected, and terminal tower inlet wire wire (11) of third layer cross-arm (4) passes through wire jumper and the terminal tower of the 4th layer of cross-arm (5)
Outgoing conductor (12) is connected.
A kind of terminal anchor support for double-layer frame outlet the most according to claim 1, it is characterised in that: also include peace
Being contained in the wire jumper suspension assembly on ground floor cross-arm (2), wire jumper suspension assembly is positioned at framework side wire tension-resistant insulator chain (7)
The same side of tower body (1)；Described wire jumper suspension assembly includes wire jumper insulator chain (8) and jumper wire support pipe (9), and wire jumper insulate
Substring (8) is arranged on the lower section of ground floor cross-arm (2), and jumper wire support pipe (9) is arranged on the lower section of wire jumper insulator chain (8), the
Terminal tower inlet wire wire (11) of one layer of cross-arm (2) is connected on one end of jumper wire support pipe (9), second layer cross-arm (3) by wire jumper
Terminal tower outgoing conductor (12) be connected on the other end of jumper wire support pipe (9) by wire jumper.
A kind of terminal anchor support for double-layer frame outlet the most according to claim 1, it is characterised in that: described
One layer of cross-arm (2), second layer cross-arm (3), third layer cross-arm (4) and the 4th layer of cross-arm (5) are trapezoidal inverted structure.
A kind of terminal anchor support for double-layer frame outlet the most according to claim 1, it is characterised in that: described
The top of one layer of cross-arm (2) is provided with framework side ground wire strain hardware fitting string (6) and line side ground wire strain hardware fitting string (13), framework
Side ground wire strain hardware fitting string (6), line side ground wire strain hardware fitting string (13) are all positioned at framework side wire tension-resistant insulator chain (7)
The same side of tower body (1), framework side ground wire strain hardware fitting string (6) is positioned at the terminal tower framework side of ground floor cross-arm (2), line side
Ground wire strain hardware fitting string (13) is positioned at the terminal tower line side of ground floor cross-arm (2).
A kind of terminal anchor support for double-layer frame outlet the most according to claim 2, it is characterised in that: described wire jumper
The quantity of insulator chain (8) is 2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610740019.9A CN106150177B (en) | 2016-08-26 | 2016-08-26 | A kind of terminal anchor support for double-layer frame outlet |
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| CN201610740019.9A CN106150177B (en) | 2016-08-26 | 2016-08-26 | A kind of terminal anchor support for double-layer frame outlet |
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| CN106150177B CN106150177B (en) | 2018-05-11 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108923278A (en) * | 2018-09-29 | 2018-11-30 | 国家电网有限公司 | A kind of open air 330kV GIS power distribution equipment sail type multilayer union framework outlet structure |
| CN109286168A (en) * | 2018-10-26 | 2019-01-29 | 国网浙江省电力有限公司经济技术研究院 | A kind of double outlet arrangements of substation's outgoing line interval double-layer frame |
| CN109301740A (en) * | 2018-10-26 | 2019-02-01 | 国网浙江省电力有限公司经济技术研究院 | A kind of double outlet structures of substation's outgoing line interval double-layer frame |
| CN110374389A (en) * | 2019-07-05 | 2019-10-25 | 江苏神马电力股份有限公司 | A kind of angle tower |
| CN115324411A (en) * | 2022-08-05 | 2022-11-11 | 中国三峡新能源(集团)股份有限公司 | Wind-powered electricity generation field 35kV current collection circuit T connects tower |
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| CN108923278A (en) * | 2018-09-29 | 2018-11-30 | 国家电网有限公司 | A kind of open air 330kV GIS power distribution equipment sail type multilayer union framework outlet structure |
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| CN109286168A (en) * | 2018-10-26 | 2019-01-29 | 国网浙江省电力有限公司经济技术研究院 | A kind of double outlet arrangements of substation's outgoing line interval double-layer frame |
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| CN109286168B (en) * | 2018-10-26 | 2023-04-18 | 国网浙江省电力有限公司经济技术研究院 | Double-outlet arrangement mode of double-layer framework of outlet intervals of transformer substation |
| CN109301740B (en) * | 2018-10-26 | 2023-10-24 | 国网浙江省电力有限公司经济技术研究院 | Double-layer framework double-outgoing-line structure for outgoing line interval of transformer substation |
| CN110374389A (en) * | 2019-07-05 | 2019-10-25 | 江苏神马电力股份有限公司 | A kind of angle tower |
| CN115324411A (en) * | 2022-08-05 | 2022-11-11 | 中国三峡新能源(集团)股份有限公司 | Wind-powered electricity generation field 35kV current collection circuit T connects tower |
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| CN106150177B (en) | 2018-05-11 |
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