CN207686369U - A kind of 800kV current conversion stations alternating current filter combined frame work - Google Patents

A kind of 800kV current conversion stations alternating current filter combined frame work Download PDF

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Publication number
CN207686369U
CN207686369U CN201721065804.5U CN201721065804U CN207686369U CN 207686369 U CN207686369 U CN 207686369U CN 201721065804 U CN201721065804 U CN 201721065804U CN 207686369 U CN207686369 U CN 207686369U
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China
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truss column
column
main
truss
hanging wire
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Inventor
毛宇
杨关
周德才
余波
何勇
冯仁德
吴怡敏
许泳
刘超
冯兵
高仕军
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Southwest Electric Power Design Institute Co Ltd of China Power Engineering Consulting Group
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Southwest Electric Power Design Institute Co Ltd of China Power Engineering Consulting Group
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Abstract

The utility model provides a kind of 800kV current conversion stations alternating current filter combined frame work, including main side truss column, from end truss column, main truss column and from truss column, between adjacent main truss column, adjacent from bridging hanging wire frame girder between truss column respectively, in adjacent main truss column and from bridging between truss column from frame girder, the main truss column is " 1 " font single-column, the main side truss column, from end truss column, main truss column, matrix structure is collectively formed from truss column, and main side truss column, from end, truss column is located at matrix structure the same end, hanging wire frame girder is bridged between adjacent main side truss column and main truss column, it is bridged from frame girder in adjacent main side truss column and between the truss column of end.The combined frame work of the utility model not only can ensure that it, to resist wind load and earthquake, but also can reduce the floor space of framework within the scope of filter group with enough anti-side rigidities, has and economizes the land resource, saves outstanding advantages of construction cost.

Description

A kind of 800kV current conversion stations alternating current filter combined frame work
Technical field
The utility model is related to the alternating current filter ture technologies of current conversion station used in power engineering extra-high voltage direct-current transmission Field, more particularly, to a kind of 800kV current conversion stations alternating current filter combined frame work.
Background technology
In power engineering extra-high voltage direct-current transmission field, such as ± 800kV current conversion stations, need according to electrical arrangement in station, Inside conductor of standing realizes current period 800kV power Transmission by outlet structure, inlet wire framework, alternating current filter framework.
But the both sides of existing current conversion station alternating current filter framework are required to the support of setting framework end, cause framework whole It is complicated, rolled steel dosage is very big, is unfavorable for cost-effective.In addition, existing current conversion station alternating current filter framework is mainly adopted It is herringbone column's scheme, not only increases the steel using amount of framework entirety, and then improve framework construction cost, and exchanges filter The floor space of wave device group range framework is larger, causes the unnecessary waste of land resource.Especially in the powerful area of wind-force Or high-intensity earthquake area, the anti-side rigidity of the current conversion station alternating current filter framework of existing this structure, resist wind load and Also all there is some potential safety problems in anti-seismic performance etc..
Utility model content
The technical problems to be solved in the utility model is:In view of the problems of the existing technology, a kind of 800kV changes of current are provided Alternating current filter combined frame work of standing reduces land area in station under the premise of meeting electrical arrangement, saves building for framework entirety It is set as this.
The technical problems to be solved in the utility model is realized using following technical scheme:A kind of 800kV current conversion stations exchange Filter combined frame work, including main side truss column, from end truss column, main truss column and from truss column, in adjacent main truss column Between, adjacent from hanging wire frame girder is bridged between truss column respectively, adjacent main truss column with from the span of truss column Connect from frame girder, the main truss column is " 1 " font single-column, the main side truss column, from end truss column, main truss column, from structure Matrix structure and main side truss column is collectively formed in trestle, from end, truss column is located at matrix structure the same end, in adjacent main side structure Hanging wire frame girder is bridged between trestle and main truss column, is bridged from framework in adjacent main side truss column and between the truss column of end Beam.
Preferably, the main truss column, from truss column, main side truss column, from end truss column to be collectively formed three vertical five horizontal The matrix structure of formula, the same end that independent two file and two file are formed by several main truss columns is main side framework Column, by independent single file being collectively formed from truss column and single file is located at the main structure of two files from end truss column with several Between trestle, by the main side truss column that is located in two files in single file from end truss column formed it is one horizontally-arranged, Remaining four it is horizontally-arranged in it is each it is horizontally-arranged include two main truss columns and one from truss column.
Preferably, further include framework cat ladder, the main side truss column and/or from truss column and/or from end truss column and/ Or main truss column is fixedly connected with framework cat ladder respectively;The framework cat ladder includes cat ladder main body, is set in cat ladder bottom part body Set anti-climbing structure.
Preferably, further include brace, between the main side truss column and the hanging wire frame girder being correspondingly connected with and/or from Hold between truss column and the hanging wire frame girder being correspondingly connected with and/or between main truss column and the hanging wire frame girder being correspondingly connected with and/ Or spandrel frame structure is formed by brace between truss column and the hanging wire frame girder being correspondingly connected with.
Preferably, the hanging wire frame girder is linear type crossbeam, and bottom surface structure includes first crossbeam, the second cross Beam is fixedly connected integrally between the first crossbeam and second cross beam by longeron, on first crossbeam and/or second cross beam It is respectively fixedly connected with the first hanging wire ring.
Preferably, pre- arch is respectively set on the first crossbeam and/or second cross beam, the pre- arch is arch Gravity direction after structure and its bowed out direction are installed with hanging wire frame girder is opposite.
Preferably, described from end truss column is tripod type framework, including the first pillar and two second pillars are described Two second pillars form " people " font framework, form end bracket in first pillar one end, are formed in second pillar one end main Fitting through end bracket, main connector and makes the first pillar and the second pillar be connected to become tripod type by connecting pin head Framework.
Preferably, the main truss column is " 1 " font single tube column, and the first undertaking is respectively fixedly connected on main truss column Plate and the second bearing plate open up mounting hole respectively on the first bearing plate, the second bearing plate.
Preferably, gas vent is opened up on second bearing plate.
Compared with prior art, the utility model has the beneficial effects that:Since the both sides of combined frame work are all made of " 1 " font The main truss column of single-column structure will be fully arranged in centre position instead of traditional herringbone column's scheme from truss column, and Main side truss column, the same end that combined frame work is also respectively positioned on from end truss column, it is enough both to have can ensure that the united framework structure had Anti-side rigidity to resist wind load and earthquake, and the floor space of framework within the scope of filter group can be reduced, save soil Resource, meanwhile, under the premise of meeting the overall structure safety of combined frame work, moreover it is possible to the building former material of combined frame work be greatly decreased Expect dosage, significantly reduces the construction cost of combined frame work.
Description of the drawings
Fig. 1 is the organigram (left semi-transparent view) of 800kV current conversion station alternating current filter combined frame works.
Fig. 2 is the organigram (right semi-transparent view) of 800kV current conversion station alternating current filter combined frame works.
Fig. 3 is the installation diagram of framework cat ladder.
Fig. 4 is the partial enlarged view at A in Fig. 3.
Fig. 5 is that the anti-of framework cat ladder climbs structure chart.
Fig. 6 is the front view of brace.
Fig. 7 is the vertical view of brace.
Fig. 8 is the bottom surface structure schematic diagram of hanging wire frame girder.
Fig. 9 is the front view from end truss column.
Figure 10 is the partial enlarged view (front view) at B in Fig. 9.
Figure 11 is the partial enlarged view (side view) at B in Fig. 9.
Figure 12 is the front view of connecting pin.
Figure 13 is the front view of main truss column.
Figure 14 is the partial enlarged view (front view) at C in Figure 13.
Figure 15 is E-E direction views in Figure 14.
Figure 16 is the partial enlarged view (front view) at D in Figure 13.
Figure 17 is F-F direction views in Figure 16.
Figure 18 is the partial enlarged view (side view) at D in Figure 13.
It is marked in figure:The main sides 1- truss column, 2- framework cat ladders, 3- take shelter from the thunder terminal, 4- braces, 5- hanging wire frame girders, 6- From frame girder, 7- is from truss column, and 8- is from end truss column, 9- main truss columns, 21- cat ladder connectors, 22- cat ladder main bodys, 23- cat ladders Support element, the anti-Pan Men of 24-, 25- hinges, 26- door locks, the 41- bodies of rod, the first connecting plates of 42-, 43- reinforcing plates, 44- connecting holes, 45- sockets plate, 51- first crossbeams, the first hanging wire rings of 52-, the second hanging wire rings of 53-, the pre- arch 54-, 55- longerons, the second cross of 56- Beam, 57- diagonal braces, the first pillars of 81-, the first connecting flanges of 82-, the first ground terminals of 83-, the second pillars of 84-, 85- first add Strengthening tendons plate, 86- end brackets, 87- connecting pins, 88- main connectors, 89- anti-avulsion parts, the second ground terminals of 91-, 92- second connect Acting flange, the second stiffener plates of 93-, the first bearing plates of 94-, 95- mounting holes, 96- reinforcement plates, the second bearing plates of 97-, 98- rows Stomata.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with the accompanying drawings and specifically The utility model is described in detail in embodiment.It should be appreciated that specific embodiment described herein is only used to explain this Utility model is not used to limit the utility model.
A kind of 800kV current conversion stations alternating current filter combined frame work as shown in Figure 1 and Figure 2, mainly include main side truss column 1, From truss column 7, from end truss column 8 and main truss column 9, the main truss column 9 is " 1 " font single-column, described from truss column 7 It is preferred that using gable column;Matrix knot is collectively formed by main side truss column 1, from end truss column 8, main truss column 9, from truss column 7 Structure and main side truss column 1, from end, truss column 8 is located at matrix structure the same end, if around the matrix structure provided with Dry lightning-arrest terminal 3.Preferably, the main truss column 9, from truss column 7, main side truss column 1, from end truss column 8 be collectively formed The matrix structure of three vertical five horizontal types, the same end that independent two file and two file are formed by several main truss columns 9 is Main side truss column 1, by independent single file being collectively formed from truss column 7 and the list file is located at from end truss column 8 with several Between two file main truss columns 9, by the main side truss column 1 that is located in two files in single file from end truss column 8 formed it is one horizontally-arranged, remaining four it is horizontally-arranged in it is each it is horizontally-arranged include two main truss columns 9 and one from truss column 7.Adjacent Main side truss column 1 and main truss column 9 between bridging hanging wire frame girder 5, adjacent main side truss column 1 with from end truss column 8 Between bridging from frame girder 6, from bridging hanging wire framework between truss column 7 respectively between adjacent main truss column 9, adjacent Beam 5 is bridged in adjacent main truss column 9 and between truss column 7 from frame girder 6.
800kV current conversion station alternating current filter combined frame works using the above structure, both sides are all made of " 1 " font single-column knot The main truss column 9 of structure replaces traditional herringbone column's scheme, and by the setting of the slave truss column 7 of herringbone rod structure in centre, and it is main End truss column 1, from end, truss column 8 is respectively positioned on the same end of combined frame work, by reasonable Arrangement main truss column 9, from truss column 7, Main side truss column 1 forms two-way rigid frame knot in length and breadth from end truss column 8 and the corresponding hanging wire frame girder 5 of setting, from frame girder 6 Structure, on the one hand, may insure that the united framework structure has the function of enough anti-side rigidities to resist wind load and earthquake, separately On the one hand, the floor space that framework within the scope of filter group can also be reduced, to save land resource;In addition, meeting Under the premise of the overall structure safety of combined frame work, additionally it is possible to the building materials dosage such as steel of combined frame work is greatly decreased, To significantly reduce the construction cost of combined frame work, there is preferable economic benefit.
In order to increase hanging wire frame girder 5 in combined frame work, from 6 lower section of frame girder using space, meanwhile, it is also beneficial to Reduce main truss column 9, from the usage amount of truss column 7 further to reduce the construction cost of combined frame work, can be in main side structure Between trestle 1 and the hanging wire frame girder 5 being correspondingly connected with, from end truss column 8 and the hanging wire frame girder 5 being correspondingly connected between, main structure It is respectively set between trestle 9 and the hanging wire frame girder 5 being correspondingly connected with, between truss column 7 and the hanging wire frame girder 5 being correspondingly connected with Brace 4 simultaneously forms spandrel frame structure by brace 4, as shown in Figure 1 and Figure 2.Further, combine for convenience The construction and maintenance of framework can make main side truss column 1 therein, distinguish from truss column 7, from end truss column 8, main truss column 9 It is fixedly connected with independent framework cat ladder 2, as shown in Figure 1, Figure 2, Figure 3 shows.
As shown in Figure 3, Figure 4, the framework cat ladder 2 includes mainly cat ladder main body 22, for convenience of the peace of framework cat ladder 2 Dress, can make to be fixedly connected between cat ladder main body 22 and cat ladder connector 21 and form L-shaped structure;Further, described to climb L-shaped structure is fixedly connected with and formed between terraced connector 21 and cat ladder support element 23, by cat ladder main body 22, cat ladder connector 21, U-shaped structure is collectively formed in cat ladder support element 23;The cat ladder support element 23 preferably uses U-shaped structure part.In order to improve framework Anti-climbing structure can also be arranged in 22 bottom of cat ladder main body, as shown in figure 5, the cat ladder main body in the safety in utilization of cat ladder 2 The anti-climbing structure of 22 bottoms climbs door 24 including preventing, described to prevent climbing the work that is formed and be switched relatively between door 24 and cat ladder main body 22 Dynamic connection structure;When it is anti-climb door 24 and opened relative to cat ladder main body 22 when, staff can from 22 bottom of cat ladder main body along Cat ladder main body 22 is climbed upwards;When preventing that climb door 24 closes relative to cat ladder main body 22, staff will be unable to from cat ladder main body 22 bottoms are climbed upwards along cat ladder main body 22, and the application so as to ensure combined frame work well is safe and reliable.It is preferred that Ground, anti-climb between door 24 and cat ladder main body 22 can form movable connection structure by hinge 25.Further, it is climbed anti- Setting door lock 26 can be increased on door 24, can easily be controlled by door lock 26 and prevent that climb door 24 is in relative to cat ladder main body 22 Opening state or closed state.Galvanizing erosion resistant coating can also be set in the outer surface of framework cat ladder 2, to enhance framework cat ladder 2 corrosion resistance improves its service life.
The concrete structure of the brace 4 is as shown in Figure 6, Figure 7, includes mainly the body of rod 41, and the body of rod 41 is preferably adopted Use tube-like piece;It is respectively fixedly connected with the first connecting plate 42 in the opposite end of the body of rod 41, first connecting plate, 42 outside is fixed Connection socket plate 45, several connecting holes 44 are opened up on socketing plate 45, by be arranged connecting hole 44 with facilitate brace 4 respectively with In-site installation operation between frame girder, truss column.Preferably, several connecting holes 44 socketed on plate 45 are with rectangular configuration Distribution.To improve the mechanical performance of brace 4, reinforcing plate can be fixedly connected between plate 45 with socketing in the first connecting plate 42 43.The reinforcing plate 43 preferably uses right-angled trapezium plate.In general, the reinforcing plate 43 respectively with the first connecting plate 42, socket plate It is to be formed a fixed connection structure by full weld mode between 45.Preferably, the reinforcing plate 43 and the first connecting plate 42, socket plate Weld bead height between 45 is 1.2 times of welded part minimum thickness.In 4 outer surface of brace, galvanizing anti-corrosion can also be set Layer, to enhance the corrosion resistance of brace 4, improves its service life.
The concrete structure of the hanging wire frame girder 5 is linear type crossbeam as shown in Figure 8, and bottom surface structure includes the One crossbeam 51, second cross beam 56 are fixedly connected between the first crossbeam 51 and second cross beam 56 by longeron 55, diagonal brace 57 Integrally, 57 one end of the diagonal brace is fixedly connected with first crossbeam 51,55 interconnecting piece of longeron, 57 other end of diagonal brace and second cross beam 56,55 interconnecting piece of longeron is fixedly connected.Preferably, the longeron 55 is arranged in parallel, two adjacent longerons 55 it Between cross one another two diagonal braces 57 are set, two diagonal braces 57 are preferably using being mutually perpendicular to structure, to improve hanging wire frame girder 5 Mechanical strength.
It is respectively fixedly connected with the first hanging wire ring 52 on first crossbeam 51, second cross beam 56, is fixedly connected on longeron 55 Several are respectively set in second hanging wire ring 53, first hanging wire ring 52, the second hanging wire ring 53, wherein several second extensions Wire loop 53 is preferably distributed on same straight line.In order to facilitate the hanging wire operation of combined frame work, and ensure that hanging wire is safe and reliable, First hanging wire ring 52, the second hanging wire ring 53 preferably use the hanging wire ring of " D " character form structure, first hanging wire ring, 52 institute It is arranged in a mutually vertical manner in plane and 53 place plane of the second hanging wire ring, as shown in Figure 8.On first crossbeam 51, second cross beam 56 Intervene arch 54 if can be respectively set, the pre- arch 54 is domes and its bowed out direction is pacified with hanging wire frame girder 5 Gravity direction after dress is opposite.If intervening arch 54 by setting, after hanging wire frame girder 5 is installed in place, in its own gravity Effect is lower so that pre- arch 54 tends to stretch, so as to so as to remain essentially in horizontality after the installation of hanging wire frame girder 5, have Conducive to preventing the deformation of combined frame work serious and improve the safe and reliable degree of hanging wire after hanging wire frame girder 5 is installed.
As shown in Fig. 9, Figure 10, Figure 11, it is described from end truss column 8 be tripod type framework, including the first pillar 81, connection Pin 87 and two second pillars 84 are respectively fixedly connected with the first ground terminal in the bottom of the first pillar 81, the second pillar 84 83.Two second pillars 84 form " people " font framework;Preferably, between first pillar, 81 and second pillar 84 The tangent value for being formed by top angle is 1/5.End bracket 86 is formed in 81 one end of the first pillar, in 84 one end shape of the second pillar At main connector 88, the structure of the connecting pin 87 is as shown in figure 12, and head forms cone and through end bracket 86, master Connector 88 simultaneously makes the first pillar 81 and the second pillar 84 be connected to become tripod type framework.Connecting pin 87 loosens in order to prevent And improve from stability, the reliability for holding truss column 8, through-hole can be opened up through end in connecting pin 87, anti-avulsion part 89 is passed through It is bended after wearing the through-hole on connecting pin 87.Preferably, the both ends of the anti-avulsion part 89 are bended and form U-shaped structure, As shown in Figure 11, Figure 12.
In order to improve the mechanical strength from end truss column 8, can be fixedly connected between the first pillar 81 and end bracket 86 First stiffener plate 85;First stiffener plate 85 preferably uses right-angled trapezium plate, as shown in Figure 10, Figure 11.Wherein, described The first pillar 81 can be divided into several sections, and formed a fixed connection by the first connecting flange 82 between two adjacent sections, such as Shown in Fig. 9, not only convenience in transport, but also it is convenient for in-site installation operation.
As shown in Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, Figure 18, the main truss column 9 is " 1 " font single tube column, It is respectively fixedly connected with the first bearing plate 94 and the second bearing plate 97 on main truss column 9, is fixedly connected in the bottom of main truss column 9 Two ground terminals 91 are fixedly connected with reinforcement plate 96, first bearing plate 94, reinforcement plate 96, second at 9 top of main truss column Mounting hole 95 is opened up on bearing plate 97 respectively;The mounting hole 95 preferably uses ellipse hole, to facilitate scene and framework Installation exercise between beam.
The main truss column 9 can be divided into several sections, and be formed by the second connecting flange 92 between two adjacent sections It is fixedly connected, as shown in figure 13.It, can be in 9 main part of main truss column and in order to improve the overall mechanical strength of main truss column 9 The second stiffener plate 93 is respectively fixedly connected between one bearing plate 94, between 9 main part of main truss column and the second bearing plate 97; Second stiffener plate 93 preferably uses right-angled trapezium plate, as shown in Figure 14, Figure 16, Figure 18.
In order to enhance the corrosion resistance of main truss column 9, its service life is improved, in general, in the outer surface of main truss column 9 Galvanizing erosion resistant coating is set.But the second bearing plate 97 deforms during thermoelectricity is zinc-plated because expanding with heat and contract with cold in order to prevent Seriously, while ensureing operational security when thermoelectricity is zinc-plated, several gas vents 98 can be opened up on the second bearing plate 97;Institute The gas vent 98 stated preferably four and distribution in rectangular configuration, as shown in figure 17.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, and should refer to Go out, all any modification, equivalent and improvement made within the spirit and principle of the present invention etc. should all include It is within the protection scope of the utility model.

Claims (9)

1. a kind of 800kV current conversion stations alternating current filter combined frame work, including main truss column (9) and from truss column (7), adjacent Hanging wire frame girder (5) is bridged respectively between main truss column (9), between adjacent (7) from truss column, in adjacent main truss column (9) and from bridging between truss column (7) from frame girder (6), it is characterised in that:Further include main side truss column (1) and from end framework Column (8), the main truss column (9) be " 1 " font single-column, the main side truss column (1), from end truss column (8), main truss column (9), matrix structure and main side truss column (1) is collectively formed from truss column (7), to be located at matrix structure from end truss column (8) same End bridges hanging wire frame girder (5), in adjacent main side truss column between adjacent main side truss column (1) and main truss column (9) (1) and between end truss column (8) it bridges from frame girder (6).
2. 800kV current conversion stations alternating current filter combined frame work according to claim 1, it is characterised in that:The main structure Trestle (9), from truss column (7), main side truss column (1), the matrix structures that three vertical five horizontal types are collectively formed from end truss column (8), The same end that independent two file and two file are formed by several main truss columns (9) is main side truss column (1), by from With several independent single file is collectively formed from truss column (7) and single file is located at two file main truss in end truss column (8) Between column (9), by main side truss column (1) and being formed from end truss column (8) in single file being located in two files One is horizontally-arranged, remaining four it is horizontally-arranged in it is each it is horizontally-arranged include two main truss columns (9) and one from truss column (7).
3. 800kV current conversion stations alternating current filter combined frame work according to claim 1 or 2, it is characterised in that:Further include Framework cat ladder (2), the main side truss column (1) or from truss column (7) or from end truss column (8) or main truss column (9) and structure Frame cat ladder (2) is fixedly connected;The framework cat ladder (2) includes cat ladder main body (22), and in cat ladder main body (22) bottom, setting is anti- Climbing structures.
4. 800kV current conversion stations alternating current filter combined frame work according to claim 1 or 2, it is characterised in that:Further include Brace (4), between the main side truss column (1) and the hanging wire frame girder (5) being correspondingly connected with, from end truss column (8) with it is right Between the hanging wire frame girder (5) that should be connected, between main truss column (9) and the hanging wire frame girder (5) being correspondingly connected with, from truss column (7) spandrel frame structure is formed by brace (4) respectively between the hanging wire frame girder (5) that is correspondingly connected with.
5. 800kV current conversion stations alternating current filter combined frame work according to claim 1 or 2, it is characterised in that:Described Hanging wire frame girder (5) is linear type crossbeam, and bottom surface structure includes first crossbeam (51), second cross beam (56), described first It is fixedly connected integrally by longeron (55) between crossbeam (51) and second cross beam (56), in first crossbeam (51) and/or second The first hanging wire ring (52) is fixedly connected on crossbeam (56).
6. 800kV current conversion stations alternating current filter combined frame work according to claim 5, it is characterised in that:Described first Pre- arch (54) is set on crossbeam (51) and/or second cross beam (56), and the pre- arch (54) is domes and its is bowed out Gravity direction after direction is installed with hanging wire frame girder (5) is opposite.
7. 800kV current conversion stations alternating current filter combined frame work according to claim 1 or 2, it is characterised in that:Described It is tripod type framework from end truss column (8), including the first pillar (81) and two second pillars (84), described two second Column (84) forms " people " font framework, end bracket (86) is formed in the first pillar (81) one end, in the second pillar (84) one end shape At main connector (88), the first pillar through end bracket (86), main connector (88) and is made by connecting pin (87) head (81) it is connected to become tripod type framework with the second pillar (84).
8. 800kV current conversion stations alternating current filter combined frame work according to claim 1 or 2, it is characterised in that:Described Main truss column (9) is " 1 " font single tube column, and the first bearing plate (94) and second is respectively fixedly connected on main truss column (9) and is held Fishplate bar (97) opens up mounting hole (95) respectively on the first bearing plate (94), the second bearing plate (97).
9. 800kV current conversion stations alternating current filter combined frame work according to claim 8, it is characterised in that:Described second Gas vent (98) is opened up on bearing plate (97).
CN201721065804.5U 2017-08-24 2017-08-24 A kind of 800kV current conversion stations alternating current filter combined frame work Active CN207686369U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107503533A (en) * 2017-08-24 2017-12-22 中国电力工程顾问集团西南电力设计院有限公司 A kind of 800kV current conversion stations alternating current filter combined frame work

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107503533A (en) * 2017-08-24 2017-12-22 中国电力工程顾问集团西南电力设计院有限公司 A kind of 800kV current conversion stations alternating current filter combined frame work

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