CN204089617U - A kind of valve tower of novel thyristor valves - Google Patents
A kind of valve tower of novel thyristor valves Download PDFInfo
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- CN204089617U CN204089617U CN201420566034.2U CN201420566034U CN204089617U CN 204089617 U CN204089617 U CN 204089617U CN 201420566034 U CN201420566034 U CN 201420566034U CN 204089617 U CN204089617 U CN 204089617U
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- 239000012212 insulator Substances 0.000 claims abstract description 13
- 239000000725 suspension Substances 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 230000003534 oscillatory effect Effects 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 38
- 238000001816 cooling Methods 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 4
- 241000826860 Trapezium Species 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The valve tower of a kind of novel thyristor valves that the utility model provides, valve tower comprises the valve Room, valve tower body, valve support (6) and lightning arrester (9), valve tower body and described lightning arrester (9) are lifted on the lower to upper of the girder steel at top, the described valve Room by suspension insulator string, valve tower body is by pushing up radome (4), end radome (1) and the composition of the valve layer between them, valve tower body is made up of left and right two row half tower, valve layer is made up of two converter valve modules (2), between adjacent valve layer, be lifted on below top radome (4) by layer insulation (3) between valve layer and end radome (1), adopt such structure both can realize the opposing oscillatory of valve tower and top, valve Room girder steel, can meet again the opposing oscillatory between valve layer, make the overall flexibility of valve tower higher, anti seismic efficiency is better.
Description
Technical field
The utility model relates to a kind of high-voltage dc transmission electrical domain, is specifically related to a kind of valve tower of novel thyristor valves.
Background technology
High voltage direct current transmission, as the remote technology of transmission of electricity of a kind of Large Copacity, is crossed inside the province at us, application in interregional networking project is increasingly extensive.In high voltage direct current transmission, converter valve carries AC-DC conversion function, is the nucleus equipment of current conversion station, is made up of, complex structure the multiple components and parts of One's name is legion, therefore must have complete, reliable protection system.
In high voltage direct current transmission project application, normally utilize the thyristor of low-voltage-grade as convertor unit, and be interconnected in some way, obtain more voltage levels and more powerful output.When electric pressure reaches more than tens of kilovolt, even hundreds of kilovolt time, thyristor independence convertor unit not only to be carried out plane expansion, also will be expanded to short transverse, form pyramidal structure.
The core devices of converter valve is thyristor, its electric pressure is thousands of volt, and the electric pressure of electrical network is far away higher than the electric pressure of thyristor, for realizing the change of current, low-voltage, low power basic converter valve module is gone out according to optional Design of Thyristor, by carrying out transverse direction, Longitudinal Extension to change of current valve module, realizing the mutual communications and liaison of multimode, meeting the demand of high voltage, high-power electric transmission occasion.
Current high voltage direct current converter valve many employings tower structure both domestic and external, hoisting Design, but its version and lifting form are also not quite similar.Such as, have the valve tower structure form adopting biserial multilayer and each faulted layer to arrange, its each layer between be rigid connection structure, adopt at valve tower and girder steel junction, the valve Room design flexibly connected, valve tower is by Integral swinging during external force, and the flexibility of valve tower is poor, anti-seismic performance is poor; Also have whole tower to adopt flexibly connecting still valve tower is single-row lifting form, and its structural span is large, poor stability.
Therefore, need to provide the valve tower structure of a kind of anti seismic efficiency is good, stability is high thyristor valves to meet the work requirements of high voltage direct current converter valve.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of valve tower of novel thyristor valves, described valve tower comprises the valve Room, valve tower body, valve support and lightning arrester, along the suspension insulator string of upper lifting described valve tower body and described lightning arrester under the girder steel at top, the described valve Room, the end radome that described valve tower sets gradually from the bottom to top, valve layer and top radome, its improvements are:
Valve tower body of telling is made up of left and right two row half tower, and described valve layer, by two converter valve module compositions, is provided with layer insulation to be lifted on below the radome of top between adjacent valve layer, between valve layer and end radome.
Preferably, described converter valve module is made up of valve group assembly, and described valve group assembly is press-fited by multistage thyristor and forms, and is connected between described valve group assembly by flexible busbar.
Preferably, described valve Bracket setting is multistagely climb trapezium structure.
Preferably, described valve support is also provided with optical fiber duct and cooling line.
Preferably, described converter valve module can horizontal and vertically be expanded.
Preferably, connected by horizontal busbar between the converter valve module of same valve layer, connected by inclination busbar between the stream valve module that adjacent valve layer is up and down changed.
Preferably, described insulator string also comprises suspension insulator, adjusting bolt button and flap seat.
Preferably, be connected between described lightning arrester and described converter valve module by valve tower busbar, described valve tower busbar is made up of horizontal busbar, interlayer inclination busbar and flexible busbar in layer.
Preferably, can opposing oscillatory between the valve layer of above-mentioned valve tower.
The beneficial effects of the utility model are:
The valve tower of a kind of novel thyristor valves that the utility model provides, adopt modularized design, the flexible hoisting structure of biserial, multistage thyristor forms valve group assembly after carrying out press-fiting combination, valve group is combined through flexible busbar and connects to form a basic converter valve module, be combined into a single valve by overlapping change of current valve module more more, finally forming a multiplex valve by organizing single valve more, structurally forming a valve tower.The hoisting structure of valve tower, from the girder steel of top, the valve Room, is flexible lifting mode between every layer, both can realize the opposing oscillatory of valve tower and top, valve Room girder steel, the opposing oscillatory between valve layer can be met again, make the overall flexibility of valve tower higher, anti seismic efficiency is better, has following benefit particularly:
The liftings at different levels of a, valve tower are flexible connection forms, improve overall anti-seismic performance;
The basic convertor unit of b, valve tower carries out modularized design, and independently converter valve module is convenient to the transport of engineering site, installation, debugging more;
The valve turriform formula of c, dually arrayed, reduces the structural span of converter valve module, improves valve tower stability;
D, employing multilayer hoisting structure, be convenient to converter valve module and expand quantity to short transverse, and do not take more valve Rooms area;
E, independently multiplex valve tower structure, is convenient to valve tower and organizes arrangement more in the horizontal direction, and between valve tower, type of attachment is simple and reliable.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the perspective view of the valve tower of the utility model thyristor valves;
Fig. 2 is the front view of the valve tower of the utility model thyristor valves;
Fig. 3 is the left view of the valve tower of the utility model thyristor valves.
Wherein: the sub-4-of radome 2-converter valve module 3-layer insulation at the bottom of 1-pushes up radome 5-suspension insulator string 6-valve support 7-cooling line 8-optical fiber duct 9-lightning arrester 10-valve tower busbar 11-flap seat 12-adjusting bolt button
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
In order to thoroughly understand the utility model embodiment, by following description, detailed structure is proposed.Obviously, the execution of the utility model embodiment is not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present utility model is described in detail as follows, but except these are described in detail, the utility model can also have other execution modes.
With reference to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the perspective view of the valve tower of the utility model thyristor valves; Fig. 2 is the front view of the valve tower of the utility model thyristor valves; Fig. 3 is the left view of the valve tower of the utility model thyristor valves.The valve tower of the thyristor valves in figure comprises the valve Room, valve tower body, valve support 6 and lightning arrester 9, valve tower body and described lightning arrester 9 are lifted on the lower to upper of the girder steel at top, the described valve Room by suspension insulator string, valve tower body is by pushing up radome 4, end radome 1 and the composition of the valve layer between them, valve tower body is made up of left and right two row half tower, the same layer of each half tower respectively arranges a converter valve module 2, described valve layer is made up of two converter valve modules 2, between adjacent valve layer, be lifted on below the radome 4 of top by layer insulation 3 between valve layer and end radome 1, the bottom of suspension insulator string is connected with top radome 4, top radome about 4 points two kinds, for lifting left and right two row half towers, ground floor converter valve module 2, by layer insulation 3, is lifted on below the radome 4 of top, lifts multilayer converter valve module 2 successively afterwards, composition multiplex valve structure, the bottommost lifting end radome 1 of valve tower.
From valve top of tower ground floor converter valve module 2, single valve in consecutive numbers layer converter valve module composition electrical concept, continuous several single valve forms again a multiplex valve valve tower, and the multiplex valve that each valve tower is made up of several single valve is formed, and valve tower can arrange along its side direction; A multiplex valve valve tower is arranged in pairs or groups a lightning arrester 9, by the valve Deethanizer design of converter valve being become the structure of biserial, multilayer, reduces the span of converter valve module, and whole valve tower adopts the mode of flexible lifting, and the flexibility of valve tower entirety is improved, and anti seismic efficiency is remarkable.
Converter valve module 2 is wherein made up of valve group assembly, described valve group assembly is press-fited by multistage thyristor and forms, and is connected between described valve group assembly by flexible busbar, and many cover change of current valve modules 2 are combined into a single valve, finally forming a multiplex valve by organizing single valve more, structurally forming a valve tower; By the basic convertor unit of valve tower is carried out modularized design, form independently converter valve module, be more convenient to the transport of engineering site, installment and debugging.
Valve support 6 in figure is also provided with optical fiber duct 8 and cooling line 7, valve support 6 is set to multistagely climb trapezium structure, its vertical direction is connected by high-strength insulating screw rod, requirement of strength can be met and can meet creepage distance again, its horizontal direction adopts insulation tank beam and water pipe anchor ear to be used for fixing cooling line, and the end of insulation tank beam is used for fixed fiber groove.
The valve tower of the converter valve in figure adopts the form of multilayer lifting, and be convenient to the expansion quantity of converter valve module 2 in longitudinal direction, the modular construction of converter valve module 2 makes converter valve module 2 convenient in horizontal and vertical expansion, and does not take more valve Room area.
Converter valve module 2 in whole valve tower is unified a kind of version, face-to-face set-up mode; Connected by horizontal busbar between the converter valve module 2 of same valve layer, connected between the stream valve module 2 that adjacent valve layer is up and down changed by inclination busbar, whole like this valve tower back panel wiring is clear, easy for installation, and attractive in appearance.
Suspension insulator string in figure also comprises suspension insulator 5, adjusting bolt button 12 and flap seat 11, and by adjusting bolt button 12, valve tower can be swung in the horizontal direction, and flexibility improves further.
Lightning arrester (9) is lifted on edge under the girder steel of top, the valve Room by suspension insulator string, be connected by valve tower busbar (10) between lightning arrester with converter valve module, valve tower busbar is made up of horizontal busbar, interlayer inclination busbar and flexible pipe mother in layer.
Adopt the valve tower of above-mentioned thyristor valves, owing to 3 to be connected by layer insulation between its valve layer with valve layer, therefore, can opposing oscillatory between valve layer, possess better flexibility.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; although be described in detail the utility model with reference to above-described embodiment; those of ordinary skill in the field still can modify to embodiment of the present utility model or equivalent replacement; these do not depart from any amendment of the utility model spirit and scope or equivalent replacement, are all applying within the claims awaited the reply.
Claims (9)
1. the valve tower of a novel thyristor valves, described valve tower comprises the valve Room, valve tower body, valve support (6) and lightning arrester (9), along the suspension insulator string of upper lifting described valve tower body and described lightning arrester (9) under the girder steel at top, the described valve Room, the end radome (1) that described valve tower sets gradually from the bottom to top, valve layer and top radome (4), it is characterized in that, valve tower body of telling is made up of left and right two row half tower, described valve layer is made up of two converter valve modules (2), between adjacent valve layer, layer insulation (3) is provided with to be lifted on below top radome (4) between valve layer and end radome (1).
2. the valve tower of thyristor valves according to claim 1, is characterized in that, described suspension insulator string comprises suspension insulator (5), adjusting bolt button (12) and flap seat (11).
3. the valve tower of thyristor valves according to claim 1, it is characterized in that, connect with valve tower busbar (10) between described lightning arrester (9) and described converter valve module (2), described valve tower busbar (10) is made up of horizontal busbar, interlayer inclination busbar and flexible busbar in layer.
4. the valve tower of thyristor valves according to claim 1, is characterized in that, described converter valve module (2) is made up of valve group assembly, and described valve group assembly is press-fited by multistage thyristor and forms, and connects between described valve group assembly with flexible busbar.
5. the valve tower of thyristor valves according to claim 4, is characterized in that, described valve support (6) is set to multistagely climb trapezium structure.
6. the valve tower of thyristor valves according to claim 5, is characterized in that, described valve support (6) is provided with optical fiber duct (8) and cooling line (7).
7. the valve tower of thyristor valves according to claim 5, is characterized in that, described converter valve module (2) can in horizontal and vertical expansion.
8. the valve tower of thyristor valves according to claim 7, it is characterized in that, connect with horizontal busbar between the converter valve module (2) of same valve layer, connect with inclination busbar between the stream valve module (2) that adjacent valve layer is up and down changed.
9. the valve tower of the thyristor valves according to any one of claim 1-8 claim, is characterized in that, can opposing oscillatory between described valve layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566034.2U CN204089617U (en) | 2014-09-28 | 2014-09-28 | A kind of valve tower of novel thyristor valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566034.2U CN204089617U (en) | 2014-09-28 | 2014-09-28 | A kind of valve tower of novel thyristor valves |
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| Publication Number | Publication Date |
|---|---|
| CN204089617U true CN204089617U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420566034.2U Active CN204089617U (en) | 2014-09-28 | 2014-09-28 | A kind of valve tower of novel thyristor valves |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270016A (en) * | 2014-09-28 | 2015-01-07 | 国家电网公司 | Novel valve tower of thyristor converter valve |
| CN104953858A (en) * | 2015-06-26 | 2015-09-30 | 许继电气股份有限公司 | Converter valve tower |
| CN105014374A (en) * | 2015-07-28 | 2015-11-04 | 南京南瑞继保电气有限公司 | Assembling method for straight-way converter valve |
| CN108923345A (en) * | 2018-06-26 | 2018-11-30 | 西安西电电力***有限公司 | Extra-high voltage flexible DC transmission brace type valve tower |
| CN114421409A (en) * | 2022-01-27 | 2022-04-29 | 全球能源互联网研究院有限公司 | Hybrid converter valve tower |
-
2014
- 2014-09-28 CN CN201420566034.2U patent/CN204089617U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270016A (en) * | 2014-09-28 | 2015-01-07 | 国家电网公司 | Novel valve tower of thyristor converter valve |
| CN104953858A (en) * | 2015-06-26 | 2015-09-30 | 许继电气股份有限公司 | Converter valve tower |
| RU2691361C1 (en) * | 2015-07-28 | 2019-06-11 | Нр Электрик Ко., Лтд | Method of installation of safety valve of direct current |
| CN105014374B (en) * | 2015-07-28 | 2017-02-01 | 南京南瑞继保电气有限公司 | Assembling method for straight-way converter valve |
| WO2017016392A1 (en) * | 2015-07-28 | 2017-02-02 | 南京南瑞继保电气有限公司 | Assembly method for dc converter valve |
| CN105014374A (en) * | 2015-07-28 | 2015-11-04 | 南京南瑞继保电气有限公司 | Assembling method for straight-way converter valve |
| AU2016300492B2 (en) * | 2015-07-28 | 2019-07-25 | Nr Electric Co., Ltd | Assembly method for DC converter valve |
| US10632578B2 (en) | 2015-07-28 | 2020-04-28 | Nr Electric Co., Ltd | Assembly method for DC converter valve |
| CN108923345A (en) * | 2018-06-26 | 2018-11-30 | 西安西电电力***有限公司 | Extra-high voltage flexible DC transmission brace type valve tower |
| CN108923345B (en) * | 2018-06-26 | 2020-04-28 | 西安西电电力***有限公司 | Extra-high voltage flexible direct current transmission supporting type valve tower |
| CN114421409A (en) * | 2022-01-27 | 2022-04-29 | 全球能源互联网研究院有限公司 | Hybrid converter valve tower |
| WO2023142405A1 (en) * | 2022-01-27 | 2023-08-03 | 国网智能电网研究院有限公司 | Hybrid converter valve tower |
| CN114421409B (en) * | 2022-01-27 | 2024-01-23 | 国网智能电网研究院有限公司 | Valve tower of hybrid converter |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170609 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: China-EPRI Electric Power Engineering Co., Ltd. Patentee after: State Grid Corporation of China Co-patentee after: Electric Power Research Institute of State Grid Shandong Electric Power Company Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: State Grid Smart Grid Institute Patentee before: State Grid Corporation of China Co-patentee before: China-EPRI Electric Power Engineering Co., Ltd. Co-patentee before: Electric Power Research Institute of State Grid Shandong Electric Power Company |
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| TR01 | Transfer of patent right |