CN108923345A - Extra-high voltage flexible DC transmission brace type valve tower - Google Patents
Extra-high voltage flexible DC transmission brace type valve tower Download PDFInfo
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- CN108923345A CN108923345A CN201810667739.6A CN201810667739A CN108923345A CN 108923345 A CN108923345 A CN 108923345A CN 201810667739 A CN201810667739 A CN 201810667739A CN 108923345 A CN108923345 A CN 108923345A
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- valve
- support
- extra
- high voltage
- brace type
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Classifications
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
A kind of extra-high voltage flexible DC transmission brace type valve tower, including：Support base has and is arranged side by side from front to back two groups of support constructions, and each support construction all has connected at least two layers of support frame stacked on top of one another, is equipped with radiation item structure between two layers neighbouring of support frame；Support frame includes the two lateral branch support bodies and at least one medial support body that left and right is oppositely arranged, and the rear and front end of at least one medial support body and the rear and front end of lateral branch support body are connected separately with Tiebar structure；Multilayer valve module, it is stacked on top of one another to be connected in support base, each layer valve module, which all has, is arranged side by side from front to back two groups of valve segment bodies, and two groups of valve segment bodies of every layer of valve module are located in two groups of support constructions, and each valve segment body is made of left and right multiple valve sections arranged side by side；Maintenance structure is connected between two groups of valve segment bodies of every layer of valve module.Extra-high voltage flexible DC transmission brace type valve tower of the invention has firm support construction, and shock resistance is strong and maintenance repair is facilitated to safeguard.
Description
Technical field
The present invention relates to technical field of electric power transmission more particularly to a kind of extra-high voltage flexible DC transmission brace type valve towers.
Background technique
Flexible DC transmission technology be one kind based on full-controlled device, pulse modulation technology and voltage source converter be
The New DC transmission technology on basis.Relative to foreign countries, domestic flexible DC transmission technology research and engineer application starting evening,
But quickly grow, from the soft straight engineering development of ± 35kV/20MW Shanghai Nanhui in the world operation voltage class highest, conveying
The back-to-back soft straight engineering of the maximum ± 350kV/1000MW western Shandong of capacity.The following flexible DC transmission technology voltage class will be towards
Extra-high voltage (typically referring to ± 800kV direct current or more) direction is developed, and transmission capacity will also be strided forward towards higher step, and be had
The full-bridge topology converter valve of DC Line Fault self-cleaning ability will promote flexible DC transmission technology defeated in remote overhead line direct current
The fields such as electricity, renewable energy are grid-connected and region bulk power grid interconnects obtain broader development.
Currently, flexible direct-current transmission valve tower at home and abroad is mainly brace type structure, it is by support insulator valve
The valve section of tower is sequentially connected in series upwardly frame structure together certainly.With the raising of voltage class and transmission capacity, individually
The weight of valve tower becomes 100 tons or so from initial more than ten tons, and valve tower height also becomes 15 meters or more from 5 meters or less.Valve tower weight
Variation with height by valve tower entirety highlight lines shock resistance and daily repair and maintenance bring very big challenge.
Summary of the invention
The object of the present invention is to provide a kind of extra-high voltage flexible DC transmission brace type valve towers, have firm support knot
Structure, shock resistance is strong and maintenance repair is facilitated to safeguard.
Following technical proposal can be used to realize in above-mentioned purpose of the invention：
The present invention provides a kind of extra-high voltage flexible DC transmission brace type valve tower, including：
Support base has and is arranged side by side from front to back two groups of support constructions, and each support construction all has stacked on top of one another
Connected at least two layers of support frame is equipped with radiation item structure between two layers neighbouring of support frame；Support frame as described above includes a left side
The two lateral branch support bodies and at least one medial support body between two lateral branch support bodies that the right side is oppositely arranged, institute
The rear and front end of the rear and front end and the lateral branch support body of stating at least one medial support body is connected separately with Tiebar structure；
Multilayer valve module, stacked on top of one another to be connected in the support base, each layer valve module all has front and back side by side
Two groups of valve segment bodies being arranged, valve segment body described in two groups of every layer of valve module be located at two groups described in support construction, respectively
The valve segment body is made of left and right multiple valve sections arranged side by side；
Maintenance structure is connected between valve segment body described in two groups of every layer of valve module, and the maintenance structure has inspection
Repair channel.
In embodiments of the present invention, the lateral branch support body has two bottom shores insulation of time interval setting
Son, the medial support body have time interval setting two bottom shore bodies, each bottom shore body by left and right simultaneously
The bottom shore insulator composition of two of row's setting.
In embodiments of the present invention, it is connected between two of the lateral branch support body bottom shore insulators
The Tiebar structure, there are two the Tiebar structures for connection between the bottom shore body of two of the medial support body.
In embodiments of the present invention, the Tiebar structure includes two link insulators arranged in a crossed manner, each described
Link insulator be connected to the bottom shore insulator of adjacent one top and another bottom shore insulator
Between bottom end.
In embodiments of the present invention, the radiation item structure includes more first solid aluminium bars；Wherein, the outside
Between the top of the bottom shore insulator of two of supporter and at least one described medial support body for being disposed adjacent
The bottom shore body top and the lateral branch support body the bottom shore insulator top between connect
The first solid aluminium bar is stated, there are two first solid aluminums for connection between the bottom shore body of two of the medial support body
Stick.
In embodiments of the present invention, the radiation item structure further includes more second solid aluminium bars, and more described
Two solid aluminium bar head and the tail are opposite to be arranged in bending；Wherein, the bottom of the lateral branch support body adjacent and being diagonally arranged
It is connected between the top of the bottom shore body of the top of support insulator and at least one medial support body described
Second solid aluminium bar.
In embodiments of the present invention, connect between two be oppositely arranged the radiation item structure of support construction described in two groups
It is connected to more solid aluminium bars.
In embodiments of the present invention, the outside of each layer valve module is enclosed equipped with multiple shielding cases, the shielding
Cover includes barricade and at least one shielded-plate tube being detachably connected on the barricade.
In embodiments of the present invention, the valve section includes multiple left and right power module arranged side by side, the power
Module has module head and module tail, and the module head is arranged towards the access path, and the module tail is towards the shielding
Pipe setting.
In embodiments of the present invention, pass through multiple interlayer post insulators between neighbouring two layers valve module
Son is connected.
In embodiments of the present invention, it is connected between multiple split between valve segment body described in two groups of each layer valve module
Connecting insulator, it is multiple it is described split a connecting insulator be connected between two be oppositely arranged the lateral branch support body and
Between two be oppositely arranged the medial support body.
In embodiments of the present invention, the lower section of the extra-high voltage flexible DC transmission brace type valve tower is examined equipped with leak
Device is surveyed, the leakage inspector includes multiple water accumulating discs and at least one detector, multiple institutes of each layer valve module
It states and is correspondingly provided with a water accumulating disc below valve section, multiple water accumulating discs pass through multiple diversion pipes and at least one described detection
Device is connected.
The characteristics of extra-high voltage flexible DC transmission brace type valve tower of the invention and advantage are：Extra-high voltage of the invention is flexible
Direct current transportation brace type valve tower has firm support construction, and shock resistance is strong and maintenance repair is facilitated to safeguard, is flexible straight
Application of the stream technology of transmission of electricity in long range overhead line field is laid a good foundation.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the three-dimensional structure diagram of extra-high voltage flexible DC transmission brace type valve tower of the invention.
Fig. 2 is the overlooking structure diagram of the support base of extra-high voltage flexible DC transmission brace type valve tower of the invention.
Fig. 3 is the overlooking structure diagram of the valve module of extra-high voltage flexible DC transmission brace type valve tower of the invention.
Fig. 4 is the three-dimensional structure diagram of the shielding case of extra-high voltage flexible DC transmission brace type valve tower of the invention.
Fig. 5 is the knot of an embodiment of the leakage inspector of extra-high voltage flexible DC transmission brace type valve tower of the invention
Structure schematic diagram.
Fig. 6 is another embodiment of the leakage inspector of extra-high voltage flexible DC transmission brace type valve tower of the invention
Structural schematic diagram.
Accompanying drawings symbol description：1, support base；11, support construction；12, support frame；121, lateral branch support body；1211, bottom
Bilge cod insulator；122, medial support body；1221, bottom shore body；13, Tiebar structure；131, link insulator；2, valve group
Part；21, valve segment body；211, valve section；2111, power module；2111a, module head；2111b, module tail；22, interlayer busbar；3,
Maintenance structure；31, access path；32, interlayer ladder；4, radiation item structure；41, the first solid aluminium bar；42, the second solid aluminum
Stick；43, solid aluminium bar；5, interlayer support insulator；6, a connecting insulator is split；7, shielding case；71, barricade；711, it connects
Plate；712, it is inserted into hole；72, shielded-plate tube；721, semicircle tube body；722, straight tube；73, connecting plate；731, bolt；7', shielding case；
8, leakage inspector；81, water accumulating disc；82, diversion pipe；83, detector；9, balance pipe；101, cable tube；102, cooling tube
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may be centering elements.When an element is known as " being connected to " another element, it be can be
It is directly connected to another element or there may be centering elements.
It is only relative concept each other it should also be noted that, the positional terms such as left and right, upper and lower, forward and backward in the present invention
It or is to refer to, and should not be regarded as restrictive with the normal operating condition of product.A left side in the present invention,
The positional terms such as right, upper and lower, forward and backward are for shown in Fig. 1, wherein " preceding " refers to the direction for being directed toward drawing, " rear "
Refer to the direction for pointing out drawing.
As shown in Figure 1, the present invention provides a kind of extra-high voltage flexible DC transmission brace type valve towers comprising support base
1, multilayer valve module 2 and maintenance structure 3, wherein：Support base 1, which has, is arranged side by side from front to back two groups of support constructions 11, each institute
It states support construction 11 and all has connected at least two layers of support frame 12 stacked on top of one another, set between neighbouring two layers of support frame 12
There is radiation item structure 4；Support frame as described above 12 include two lateral branch support bodies 121 being oppositely arranged of left and right and be located at two it is described outer
At least one medial support body 122 between collateral support body 121, the rear and front end of at least one medial support body 122 with
The rear and front end of the lateral branch support body 121 is connected separately with Tiebar structure 13；Multilayer valve module 2 is stacked on top of one another be connected to it is described
In support base 1, each layer valve module 2, which all has, is arranged side by side from front to back two groups of valve segment bodies 21, every layer of valve module 2
Valve segment body 21 described in two groups be located at two groups described in support construction 11, each valve segment body 21 is arranged side by side by left and right
Multiple valve sections 211 form；Maintenance structure 3 is connected between valve segment body 21 described in two groups of every layer of valve module 2, the maintenance
Structure 3 has access path 31.The extra-high voltage of the extra-high voltage flexible DC transmission brace type valve tower refers to ± 800kV's or more
Direct current.
Specifically, support base 1 is mechanism for carrying multilayer valve module 2, please refer to shown in Fig. 2, in this reality
It applies in example, which, which has, is arranged side by side from front to back two groups of support constructions 11, and each support construction 11 all has stacked on top of one another
Connected two layers of support frame 12, each support frame 12 include two lateral branch support bodies 121 that left and right is oppositely arranged and are located at outside two
A medial support body 122 between collateral support body 121.Certainly, in other examples, support construction 11 can have up and down
Three layers, four layers or more connected support frames 12 of stacking can be equipped with two between two lateral branch support bodies 121 of support frame 12
A, three or more medial support bodies 122, herein with no restrictions.
In the present invention, which has two bottom shore insulators 1211 of time interval setting, should
Medial support body 122 have time interval setting two bottom shore bodies 1221, each bottom shore body 1221 by left and right simultaneously
Two bottom shore insulators 1211 composition of row's setting.Bottom shore body 1221 is designed as using two bottom branch by the present invention
The structure that column insulator 1211 is respectively connected together side by side and by the top and bottom of two bottom shore insulators 1211, energy
Enough make the support construction 11 more firm.Support construction 11 of the invention is substantially in rectangular frame structure.
In the present embodiment, before and after the rear and front end of at least one medial support body 122 and lateral branch support body 121
Both ends are connected separately with Tiebar structure 13；That is, this is interior in the embodiment with a medial support body 122 of the invention
The bottom shore body 1221 that collateral support body 122 is located at front end is located at front end with two lateral branch support bodies 121 for being located at its two sides
A Tiebar structure 13 is connected separately between two bottom shore insulators 1211；Meanwhile after the medial support body 122 is located at
The bottom shore body 1221 at end is located at two bottom shore insulators of rear end with two lateral branch support bodies 121 for being located at its two sides
Also a Tiebar structure 13 is connected separately between 1211.
Further, the pull rod knot is also connected between two bottom shore insulators 1211 of supporter 121 on the outside
Structure 13.In addition, there are two Tiebar structures 13 for connection between two bottom shore bodies 1221 of collateral support body 122 inside；That is, should
Medial support body 122 be located at the arranged side by side two bottom shore insulators 1211 in left and right of the bottom shore body 1221 of front end with
The medial support body 122 is located at two bottom shore insulators 1211 that the left and right of the bottom shore body 1221 of rear end is arranged side by side
Between be connected separately with a Tiebar structure 13.
In the present invention, which includes two link insulators 131 arranged in a crossed manner, each link insulator
131 be connected to an adjacent bottom shore insulator 1211 top and another bottom shore insulator 1211 bottom end it
Between.The link insulator 131 is that can bear certain pulling force and the insulator with certain Telescopic, can play tension phase
The purpose of two bottom shore insulators 1211 of neighbour's setting.
In the present embodiment, collateral support body 122 is located at the bottom shore body 1221 and a lateral branch support body of rear end within
121 illustrate the connection type of the Tiebar structure 13 for the bottom shore insulator 1211 of rear end.Please refer to
Shown in Fig. 1, which is located at the bottom shore insulator 1211 positioned at right side of the bottom shore body 1221 of rear end
Upper end and be connected with one between the lower end of the bottom shore insulator 1211 that is located at rear end of lateral branch support body 121 on right side
A link insulator 131, another link insulator 131 are connected to the bottom for being located at rear end positioned at the lateral branch support body 121 on right side
The upper end of bilge cod insulator 1211 and the medial support body 122 are located at the bottom positioned at right side of the bottom shore body 1221 of rear end
Between the lower end of bilge cod insulator 1211.
In the present invention, it is equipped with radiation item structure 4 between neighbouring two layers of support frame 12, passes through the radiation item structure
4 can increase the stable connection between each support construction 11 of the support base 1.
Please refer to shown in Fig. 2, in the present embodiment, which includes more first solid aluminium bars 41.Its
In, the first solid aluminium bar is connected between the top of two bottom shore insulators 1211 of lateral branch support body 121.It is adjacent to set
The top of the bottom shore body 1221 at least one the medial support body 122 set and the bottom shore of lateral branch support body 121 insulate
The first solid aluminium bar 41 is connected between the top of son 1211；That is, of the invention with medial support body 122
In embodiment, which is located at the top of two bottom shore insulators 1211 of the bottom shore body 1221 of front end
End respectively with two bottom shore insulators 1211 being located at left side, each lateral branch support body 121 positioned at right side and be located at front end
A first solid aluminium bar 41 is connected between top, which is located at the two of the bottom shore body 1221 of rear end
The top of a bottom shore insulator 1211 is located at rear end with positioned at left side, each lateral branch support body 121 positioned at right side respectively
A first solid aluminium bar 41 is connected between the top of two bottom shore insulators 1211.Meanwhile medial support body 122
There are two the first solid aluminium bars 41 for connection between the top of two bottom shore bodies 1221；That is, the medial support body 122 is located at
The top of two bottom shore insulators 1211 of the bottom shore body 1221 of front end and the medial support body 122 are located at rear end
A first solid aluminium bar 41 is connected separately between the top of two bottom shore insulators 1211 of bottom shore body 1221.
Further, which further includes more second solid aluminium bars 42, more second solid 42 head and the tail of aluminium bar
It is opposite to be arranged in bending；Wherein, the top of the bottom shore insulator 1211 of lateral branch support body 121 adjacent and being diagonally arranged
The second solid aluminium bar 42 is connected between the top of the bottom shore body 1221 of at least one medial support body 122.At this
In the embodiment with a medial support body 122 of invention, positioned at the bottom positioned at front end of the lateral branch support body 121 in left side
The top of support insulator 1211 and the bottom shore in 1221 left side of bottom shore body positioned at rear end of medial support body 122 are exhausted
A second solid aluminium bar 42 is connected between the top of edge 1211, inside the bottom branch positioned at rear end of collateral support body 122
The top and the bottom positioned at front end for the lateral branch support body 121 for being located at right side of the bottom shore insulator 1211 on 1221 right side of cylinder
Another the second solid aluminium bar 42 is connected between the top of bilge cod insulator 1211.
Further, in the present embodiment, between two be oppositely arranged the radiation item structure 4 of two groups of support constructions 11
It is also connected with more solid aluminium bars 43.That is, being located at two support frames 12 of the neighbouring connection of the support construction 11 of front end
Between the radiation item structure 4 that is arranged and set between two support frames 12 of the neighbouring connection of the support construction 11 of rear end
More solid aluminium bars 43 are connected between the radiation item structure 4 set, those solid aluminium bars 43 are connected to two that front and back is oppositely arranged
Between a lateral branch support body 121 and between two medial support bodies 122 that front and back is oppositely arranged.
The present invention connects the radiation item structure 4 between two neighbouring support frames 12, and in two groups of support constructions
The structure of more solid aluminium bars 43 is connected between two radiation item structures 4 that 11 front and back is oppositely arranged, that is, being radiated by two
The radiation item bridging arrangement positioned at same level that structure 4 and more solid aluminium bars 43 form, so that the present invention is in layer
A good rigid connection structure is formd between support frame 12 between layer and between two support constructions 11,
Can be balanced respectively to stress, the purpose for the support base 1 that is connected well is played, so that support base 1 of the invention can
With the shock resistance with 9 grades and 9 grades or more.
Multilayer valve module 2 is connected to the top of support base 1, in the present invention, between neighbouring two layers of valve module 2
It is connected by multiple interlayer support insulators 5, the position of those interlayer support insulators 5 and each bottom shore of support base 1
It is corresponding above and below the position of insulator 1211.In the present embodiment, as shown in figure 3, the connection stacked on top of one another of the top of support base 1
There are three layers of valve module 2, each layer valve module 2, which has, is arranged side by side from front to back two groups of valve segment bodies 21, two groups of valve sections of every layer of valve module 2
Body 21 is located in two groups of support constructions 11, and each valve segment body 21 is made of left and right two valve sections 211 arranged side by side.When
So, in other examples, according to the needs of voltage class and transmission capacity, the top of support base 1 can company stacked on top of one another
It is connected to two layers, four layers or more valve module 2, each valve segment body 21 can be arranged side by side by left and right three, four or more
Valve section 211 forms, herein with no restrictions.In the present embodiment, pass through interlayer busbar 22 between the valve segment body 21 of each layer valve module 2
It is connected.
In the present invention, it is connected with maintenance structure 3 between two groups of valve segment bodies 21 of every layer of valve module 2, the maintenance structure 3
With access path 31.In the present embodiment, interlayer ladder 32 is respectively equipped in the left and right ends of access path 31.The maintenance is logical
Road 31 can personnel convenient to overhaul walk about, the convenient valve segment body 21 to each layer valve module 2 carries out upkeep operation, which uses
In the access path 31 for connecting each layer valve module 2, personnel convenient to overhaul overhaul the valve segment body 21 of each layer valve module 2.
In the present invention, be also connected between two groups of valve segment bodies 21 of each layer valve module 2 it is multiple split a connecting insulator 6,
Multiple connecting insulators 6 that split are connected between two lateral branch support bodies 121 being oppositely arranged and in two be oppositely arranged
Between collateral support body 122.Those split the purpose that a connecting insulator 6 can play two groups of valve segment bodies 21 of fixed each layer valve module 2,
So that the overall structure of extra-high voltage flexible DC transmission brace type valve tower of the invention is more stable.
In embodiments of the present invention, the outside of each layer valve module 2 is enclosed equipped with multiple shielding cases, which includes
Barricade 71 and at least one shielded-plate tube 72 being detachably connected on barricade 71.
Please refer to shown in Fig. 1, which is broadly divided into two kinds of structures, and a kind of shielding case 7 of structure has shielding
Plate 71 and the shielded-plate tube 72 for being connected to 71 one end of barricade；The shielding case 7 ' of another structure has barricade 71 and is connected to screen
Two shielded-plate tubes 72 at 71 both ends of shield plate.Wherein, shielding case 7 is connected to the outside of the left and right sides of each layer valve module 2, shielding case
7 ' are connected to the outside of the front and rear sides of each layer valve module 2.
Specifically, one end is equipped with as shown in figure 4, the barricade 71 of shielding case 7 is substantially l-shaped plate body structure
Connecting plate 711, the upper and lower ends of the connecting plate 711 are respectively equipped with an insertion hole 712；Shielded-plate tube 72 is by semicircle tube body 721
It is formed with two straight tubes 722 for being connected to semicircle 721 end of tube body, shielded-plate tube 72 is inserted into barricade by two straight tubes 722
Two of 71 are inserted into holes 712 connection, it can be achieved that with barricade 71.In the present embodiment, it is equipped in the end of shielded-plate tube 72
Connecting plate 73, the upper and lower ends of the connecting plate 73 are connected with two straight tubes 722 respectively, by bolt 731 that connecting plate 73 is fixed
It is connected on connecting plate 711, can further be fastenedly connected shielded-plate tube 72 and barricade 71, to reach the mesh of both limitations freedom degree
's.The long side of the L shape barricade 71 of the shielding case 7 is connected in the outside of valve module 2 along the longitudinal direction, L shape barricade 71
Short side is located at the outside of the front and rear sides of valve module 2, so that shielded-plate tube 72 is located at the outside of the front and rear sides of valve module 2.
The barricade 71 of shielding case 7 ' is in substantially plate-like structure, and similar with the embodiment of Fig. 4, which is shielding
The both ends of plate 71 are respectively equipped with a connecting plate 711, and the upper and lower ends of each connecting plate 711 are respectively equipped with an insertion hole 712；Respectively
Two straight tubes 722 of shielded-plate tube 72 are inserted into respectively in corresponding insertion hole 712, and realize shielded-plate tube 72 and screen by connecting plate 73
Shield plate 71 is further fastenedly connected.
On the one hand shielding case of the invention can be played using tube sheet combination, the design structure of separate type to each layer valve module 2
The effect of shielding, on the other hand, the shielded-plate tube 72 is light-weight, can easily disassemble and install from barricade 71, facilitate inspection
Repair the upkeep operation of personnel.
In the present invention, the structure of the valve section 211 in each valve segment body 21 of each layer valve module 2 is all the same, in the present invention,
Valve section 211 includes the power module 2111 that multiple left and right are arranged side by side, which has module head 2111a and module
Tail 2111b, the module head 2111a are arranged towards access path 31, which is arranged towards shielded-plate tube 72.The present invention
The module head 2111a of each power module 2111 of each layer valve module 2 be arranged towards access path 31, personnel convenient to overhaul make
Industry.
In embodiments of the present invention, the lower section of the extra-high voltage flexible DC transmission brace type valve tower is equipped with leak water detdction
Device 8, the leakage inspector 8 include multiple water accumulating discs 81 and at least one detector 83, multiple valves of each layer valve segment body 21
The lower section of section 211 is correspondingly provided with a water accumulating disc 81, and multiple water accumulating discs 81 are connected at least one inspection by multiple diversion pipes 82
Survey device 83.
The leakage inspector 8 is placed on the ground, and is located at the lower section of extra-high voltage flexible DC transmission brace type valve tower.
In the present embodiment, water accumulating disc 81 there are four the leakage inspector 8 tools, one of each water accumulating disc 81 and each layer valve module 2
About 211 valve section is correspondingly arranged.Certainly, in other examples, the valve section of the quantity of water accumulating disc 81 and each layer valve module 2
211 quantity is corresponding, for example, there are six ponding for the leakage inspector 8 tool when each layer valve module 2 tool is there are six when valve section 211
Disk 81.The detector 83 of the leakage inspector 8 can be liquid level detector or moisture detector, when the valve section 211 of each valve module 2
When cooling medium leakage occurs, cooling medium is dropped onto corresponding water accumulating disc 81, is then collected by respective diversion pipe 82
Into detector 83 to reach testing goal.
As shown in figure 5, in a feasible embodiment of the invention, four water accumulating discs 81 of the leakage inspector 8 are in
Rectangular shape setting, each water accumulating disc 81 are connected separately with a diversion pipe 82, and four diversion pipes 82 are connect with a detector 83.
As shown in fig. 6, in another feasible embodiment of the invention, four water accumulating discs 81 of the leakage inspector 8
Rectangular shaped setting, each water accumulating disc 81 are connected separately with a diversion pipe 82, wherein two diversion pipes 82 and a detector
83 connections；Other two diversion pipes 82 are connected with another detector 83.
Certainly, in other examples, each water accumulating disc 81 can pass through respective diversion pipe 82 and a detector 83
It is connected, herein with no restrictions.By designing multiple detectors 83, the security reliability of the leakage inspector 8 can be increased.
In embodiments of the present invention, balance pipe 9 is also connected in the top of multilayer valve module 2；Meanwhile in each bottom
The upper and lower ends of support insulator 1211 are also respectively equipped with balance pipe 9.Those balance pipes 9 can play the role of uniform electric field.
In addition, extra-high voltage flexible DC transmission brace type valve tower of the invention is additionally provided with cable tube 101 and cooling tube 102,
Optical fiber cable placed is wherein used in cable tube 101, which can to provide electric energy for each power module；For leading in the cooling tube 102
Enter recirculated water, to cool down to each valve segment body 21.
Extra-high voltage flexible DC transmission brace type valve tower of the invention has firm support construction, and shock resistance is strong and square
Just maintenance repair is safeguarded, the application for flexible DC transmission technology in long range overhead line field is laid a good foundation.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent changes and modifications under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (12)
1. a kind of extra-high voltage flexible DC transmission brace type valve tower, which is characterized in that including：
Support base has and is arranged side by side from front to back two groups of support constructions, and each support construction all has stacked on top of one another be connected
At least two layers of support frame, radiation item structure is equipped between two layers neighbouring of support frame；Support frame as described above includes left and right phase
Two lateral branch support bodies to setting and at least one medial support body between two lateral branch support bodies, it is described extremely
The rear and front end of a few medial support body and the rear and front end of the lateral branch support body are connected separately with Tiebar structure；
Multilayer valve module, stacked on top of one another to be connected in the support base, each layer valve module all has front and back and is arranged side by side
Two groups of valve segment bodies, valve segment body described in two groups of every layer of valve module be located at two groups described in support construction, it is each described
Valve segment body is made of left and right multiple valve sections arranged side by side；
Maintenance structure is connected between valve segment body described in two groups of every layer of valve module, and the maintenance structure has maintenance logical
Road.
2. extra-high voltage flexible DC transmission brace type valve tower as described in claim 1, which is characterized in that the lateral branch support body
Two bottom shore insulators with time interval setting, the medial support body have two bottoms of time interval setting
Body of pillar, each bottom shore body are made of left and right two bottom shore insulators arranged side by side.
3. extra-high voltage flexible DC transmission brace type valve tower as claimed in claim 2, which is characterized in that the lateral branch support body
Two bottom shore insulators between be connected with the Tiebar structure, the bottom branch of two of the medial support body
There are two the Tiebar structures for connection between cylinder.
4. extra-high voltage flexible DC transmission brace type valve tower as claimed in claim 2 or claim 3, which is characterized in that the pull rod knot
Structure includes two link insulators arranged in a crossed manner, and it is exhausted that each link insulator is connected to an adjacent bottom shore
Between the top of edge and the bottom end of another bottom shore insulator.
5. extra-high voltage flexible DC transmission brace type valve tower as claimed in claim 2, which is characterized in that the radiation item structure
Including more first solid aluminium bars；Wherein, between the top of two of the lateral branch support body bottom shore insulators, with
And the institute on the top of the bottom shore body at least one the medial support body being disposed adjacent and the lateral branch support body
It states and is connected with the described first solid aluminium bar between the top of bottom shore insulator, two bottoms of the medial support body
There are two the described first solid aluminium bars for connection between Body of pillar.
6. extra-high voltage flexible DC transmission brace type valve tower as claimed in claim 5, which is characterized in that the radiation item structure
It further include more second solid aluminium bars, the more second solid aluminium bar head and the tail are opposite to be arranged in bending；Wherein, adjacent and right
The top of the bottom shore insulator of the lateral branch support body of angle setting and the institute of at least one medial support body
It states and is connected with the described second solid aluminium bar between the top of bottom shore body.
7. such as extra-high voltage flexible DC transmission brace type valve tower described in claim 5 or 6, which is characterized in that propped up described in two groups
More solid aluminium bars are connected between two be oppositely arranged the radiation item structure of support structure.
8. extra-high voltage flexible DC transmission brace type valve tower as described in claim 1, which is characterized in that each layer valve module
Outside enclose equipped with multiple shielding cases, the shielding case includes barricade and is detachably connected on the barricade extremely
A few shielded-plate tube.
9. extra-high voltage flexible DC transmission brace type valve tower as claimed in claim 8, which is characterized in that the valve section includes more
A or so power module arranged side by side, the power module have module head and a module tail, and the module head is towards the inspection
Channel setting is repaired, the module tail is arranged towards the shielded-plate tube.
10. extra-high voltage flexible DC transmission brace type valve tower as described in claim 1, which is characterized in that neighbouring two
It is connected between the layer valve module by multiple interlayer support insulators.
11. extra-high voltage flexible DC transmission brace type valve tower as described in claim 1, which is characterized in that each layer valve group
Be connected between valve segment body described in two groups of part it is multiple split a connecting insulator, it is multiple described to split a connecting insulator and be connected to phase
To between two lateral branch support bodies of setting and between two medial support bodies being oppositely arranged.
12. extra-high voltage flexible DC transmission brace type valve tower as described in claim 1, which is characterized in that the extra-high voltage is soft
Property direct current transportation brace type valve tower lower section be equipped with leakage inspector, the leakage inspector includes multiple water accumulating discs and extremely
Lack a detector, is correspondingly provided with a water accumulating disc, multiple products below multiple valve sections of each layer valve module
Water pond is connected by multiple diversion pipes at least one described detector.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810667739.6A CN108923345B (en) | 2018-06-26 | 2018-06-26 | Extra-high voltage flexible direct current transmission supporting type valve tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810667739.6A CN108923345B (en) | 2018-06-26 | 2018-06-26 | Extra-high voltage flexible direct current transmission supporting type valve tower |
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| Publication Number | Publication Date |
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| CN108923345A true CN108923345A (en) | 2018-11-30 |
| CN108923345B CN108923345B (en) | 2020-04-28 |
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| CN201810667739.6A Active CN108923345B (en) | 2018-06-26 | 2018-06-26 | Extra-high voltage flexible direct current transmission supporting type valve tower |
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| CN110380624A (en) * | 2019-09-04 | 2019-10-25 | 常州博瑞电力自动化设备有限公司 | A kind of converter valve valve tower |
| CN111181052A (en) * | 2020-02-05 | 2020-05-19 | 荣信汇科电气技术有限责任公司 | Valve tower structure without frame valve section of flexible direct current transmission converter valve |
| WO2020233183A1 (en) * | 2019-05-20 | 2020-11-26 | 南京南瑞继保工程技术有限公司 | Valve tower reinforcing structure and reinforcing method |
| CN112054654A (en) * | 2020-08-18 | 2020-12-08 | 许继电气股份有限公司 | Water leakage prevention device for marine flexible straight converter valve tower |
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| EP3855594A4 (en) * | 2019-05-20 | 2022-01-19 | NR Engineering Co., Ltd. | Valve tower reinforcing structure and reinforcing method |
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| CN112054654B (en) * | 2020-08-18 | 2022-02-18 | 许继电气股份有限公司 | Water leakage prevention device for marine flexible straight converter valve tower |
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| CN108923345B (en) | 2020-04-28 |
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