CN202353005U - Insulating platform for high-voltage direct current change-over switch - Google Patents
Insulating platform for high-voltage direct current change-over switch Download PDFInfo
- Publication number
- CN202353005U CN202353005U CN2011204748668U CN201120474866U CN202353005U CN 202353005 U CN202353005 U CN 202353005U CN 2011204748668 U CN2011204748668 U CN 2011204748668U CN 201120474866 U CN201120474866 U CN 201120474866U CN 202353005 U CN202353005 U CN 202353005U
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- direct current
- section steel
- over switch
- shaped steel
- platform
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Abstract
The utility model discloses an insulating platform for a high-voltage direct current change-over switch. The insulating platform comprises support upright posts, diagonal members, post insulators, a plurality of pieces of first H-section steel and a plurality of pieces of second H-section steel, wherein the first H-section steel is fixedly connected with the support upright posts through the post insulators; adjacent support upright posts are connected through the diagonal members; and the second H-section steel is fixed on the first H-section steel. According to the insulating platform, the unified support insulators are used for realizing the ground insulation of main components of a capacitor, an arrester and a reactor of the direct current change-over switch and realizing the electrical connection of each component on the platform, so that the number of the post insulators used for the ground insulation of each component can be greatly decreased, and a unified mounting reference plane is provided; and moreover, insulators of different specifications can be designed, and the model numbers and mounting positions of the H-section steel for the arrangement of the platform are changed, so that the insulation requirements and engineering design requirements of direct current change-over switches of each voltage grade for extra high voltage and ultra high voltage direct current transmission systems are met, and design and mounting efficiency is effectively improved.
Description
Technical field
The utility model relates to the switch manufacturing and the design field of HVDC transmission system, and particularly a kind of insulated platform that is used for the HVDC change over switch is applicable to each electric pressure, is specially adapted to various ultra, extra-high voltage direct-current transmission engineerings.
Background technology
Because the hydroelectric resources in China southwest, the water power and the thermoelectricity aboundresources of northwest; And the developed area; Along with the further developing of economy, the supply of electric power breach is still very big like areas such as East China, Guangdong, water power, thermoelectricity base apart from load center all more than 1000 kilometers; Thereby; China built up at present a plurality of ± 500kV, ± DC engineering of 800kV and following electric pressure, go back several remote DC transmission engineerings of planning construction at present, the direct current transportation technology has obtained very fast development in China.The direct current change over switch is the requisite dc fields equipment of each distant-range high voltage direct current transmission engineering; Each bipolar DC engineering need dispose 8 direct current changeover switch devices usually; And because the particularity of dc switch; For each dc switch of each DC engineering, all to be carried out to Analysis of Nested Design and product engineering design according to service conditions.The mode that the used direct current change over switch of the domestic high voltage DC engineering that has at present built up adopts element to insulate separately and support basically; Many, the complex structure of number of parts; Therefore cost is higher; Engineering design and installation effectiveness are low, are not suitable for the fast-developing requirement of China's high voltage direct current transmission project.
The utility model content
The purpose of the utility model is to provide the unified insulation against ground of a kind of direct current change over switch main element capacitor, lightning arrester and reactor; Unified datum clamp face and electrically connected insulated platform; Reach and improve design and installation efficient, cost-effective requirement, each dc switch that satisfies DC engineering all will be carried out to the particularity of Analysis of Nested Design and product engineering design according to service conditions.
To achieve these goals, the utility model adopts following technical scheme:
A kind of insulated platform that is used for the HVDC change over switch comprises support post, brace, transition connection, post insulator, some H shaped steel and some the 2nd H shaped steel; The one H shaped steel is fixedly connected with support post through post insulator; Connect through brace between adjacent support post; The 2nd H shaped steel is fixed on the H shaped steel.
Post insulator one end is fixedly connected with a H shaped steel, and the other end connects support post through transition.
Some the 2nd H shaped steel secured in parallel are on a H shaped steel.
Some the 2nd H shaped steel are with the one H shaped steel is vertical arranges.
Connect through two braces arranged in a crossed manner between adjacent support post.
With respect to prior art; The utlity model has following advantage: the utility model insulated platform is formed the insulation against ground of direct current change over switch main element capacitor, lightning arrester and reactor by unified post insulator; Realize the electric connection of each element on platform; Can significantly reduce each element and carry out the used post insulator quantity of insulation against ground respectively, and same datum clamp face is provided; And can be through the insulator of design different size; The conversion mounting platform is with the model and the installation site of H shaped steel; Satisfy insulating requirements and engineering design requirement ultra, that extra-high voltage DC transmission system is used each electric pressure direct current change over switch, effectively improve design and installation efficient.
Description of drawings
Fig. 1 is a kind of sketch map that is used for the insulated platform of HVDC change over switch of the utility model;
Wherein: 1 is support post; 2 is brace; 3 are the transition connection; 4 is post insulator; 5 is H shaped steel; 6 is H shaped steel; 7 is lightning arrester; 8 is capacitor; 9 is reactor; 10 is terminal block.
Embodiment
Specify the technical scheme of the utility model below in conjunction with accompanying drawing.
See also shown in Figure 1; Post insulator 4 bottoms connect 3 through transition and are connected with support post 1; Connect through brace 2 between each support post 1; H shaped steel 5,6 connects to form mounting platform through bolt, is fixed with lightning arrester 7, capacitor 8, reactor 9 and terminal block 10 on the mounting platform, and mounting platform is fixed on the top of post insulator 4.
Direct current change over switch main element lightning arrester 7, capacitor 8, reactor 9 form insulation against ground through unified post insulator 4; Lightning arrester 7 is implemented in the electric connection on the platform with capacitor 8 through terminal block 10; Reactor 9 carries out electric the connection through wiring and wire clamp with lightning arrester 7, capacitor 8; Significantly reduce each element and carry out the used post insulator quantity of insulation against ground respectively, and same datum clamp face is provided.And can be through the insulator of design different size; Correspondence different model element lightning arrester 7, capacitor 8 and reactor 9; The conversion mounting platform is with the model and the installation site of H shaped steel 5,6; Satisfy insulating requirements and engineering design requirement ultra, that extra-high voltage DC transmission system is used each electric pressure direct current change over switch, effectively improve design and installation efficient.
Claims (5)
1. an insulated platform that is used for the HVDC change over switch is characterized in that, comprises support post (1), brace (2), post insulator (4), some H shaped steel (5) and some the 2nd H shaped steel (6); The one H shaped steel (5) is fixedly connected with support post (1) through post insulator (4); Connect through brace (2) between adjacent support post (1); The 2nd H shaped steel (6) is fixed on the H shaped steel (5).
2. a kind of insulated platform that is used for the HVDC change over switch according to claim 1 is characterized in that, post insulator (4) one ends are fixedly connected with a H shaped steel (5), and the other end connects (3) through transition and connects support post (1).
3. a kind of insulated platform that is used for the HVDC change over switch according to claim 1 is characterized in that, some the 2nd H shaped steel (6) secured in parallel are on a H shaped steel (5).
4. a kind of insulated platform that is used for the HVDC change over switch according to claim 1 is characterized in that, some the 2nd H shaped steel (6) and the vertical layout of a H shaped steel (5).
5. a kind of insulated platform that is used for the HVDC change over switch according to claim 1 is characterized in that, connects through two braces arranged in a crossed manner (2) between adjacent support post (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204748668U CN202353005U (en) | 2011-11-24 | 2011-11-24 | Insulating platform for high-voltage direct current change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204748668U CN202353005U (en) | 2011-11-24 | 2011-11-24 | Insulating platform for high-voltage direct current change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202353005U true CN202353005U (en) | 2012-07-25 |
Family
ID=46541972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204748668U Expired - Lifetime CN202353005U (en) | 2011-11-24 | 2011-11-24 | Insulating platform for high-voltage direct current change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202353005U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591999A (en) * | 2017-11-03 | 2018-01-16 | 中国电力工程顾问集团西南电力设计院有限公司 | ± 800kV current conversion station DC fields low-voltage equipment mounting structures |
| CN109036745A (en) * | 2018-06-14 | 2018-12-18 | 中国电力科学研究院有限公司 | Extra-high-voltage alternating current switching mode controllable arrester integral structure and antidetonation check method |
| CN116266722A (en) * | 2021-12-16 | 2023-06-20 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | High-rotation-speed motor ground insulation mechanism |
-
2011
- 2011-11-24 CN CN2011204748668U patent/CN202353005U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591999A (en) * | 2017-11-03 | 2018-01-16 | 中国电力工程顾问集团西南电力设计院有限公司 | ± 800kV current conversion station DC fields low-voltage equipment mounting structures |
| CN109036745A (en) * | 2018-06-14 | 2018-12-18 | 中国电力科学研究院有限公司 | Extra-high-voltage alternating current switching mode controllable arrester integral structure and antidetonation check method |
| CN116266722A (en) * | 2021-12-16 | 2023-06-20 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | High-rotation-speed motor ground insulation mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
|
| CX01 | Expiry of patent term |