CN103944356A - Converter valve assembly and valve tower with converter valve assembly - Google Patents
Converter valve assembly and valve tower with converter valve assembly Download PDFInfo
- Publication number
- CN103944356A CN103944356A CN201410139934.3A CN201410139934A CN103944356A CN 103944356 A CN103944356 A CN 103944356A CN 201410139934 A CN201410139934 A CN 201410139934A CN 103944356 A CN103944356 A CN 103944356A
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- submodule
- valve
- framework
- heat abstractor
- branching pipe
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
- H05K7/14339—Housings specially adapted for power drive units or power converters specially adapted for high voltage operation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Rectifiers (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a converter valve assembly and a valve tower with the converter valve assembly. Two or more sub-modules arranged in the converter valve assembly are sequentially arranged on a frame to form valve sections. Each sub-module is assembled on the frame through a corresponding guide mechanism in a guiding mode in the column direction of the corresponding valve section. Drawing openings of the guide mechanisms are formed in the same side of the frame in the front and rear direction. One end of each sub-module is a plug end corresponding to the corresponding drawing opening. A heat-dissipating device is arranged far away from each plug end and arranged at the tail end of each sub-module. A branch water pipe is closed to each drawing opening and arranged corresponding to the heat-dissipating device of each sub-module. When the valve towel is repaired and installed, the plug end of each sub-module can be assembled on the frame in a guiding mode through the corresponding drawing opening on the same side of the corresponding guide mechanism so that the heat-dissipating devices at the tail ends of the sub-modules can be located on the same side of the whole valve sections, the sub-modules can be installed on the frame on the side where the drawing openings of the valve sections are located by an operator, and the converter valve assembly can be conveniently and rapidly installed and repaired.
Description
Technical field
The present invention relates to a kind of converter valve components and use the valve tower of this converter valve components.
Background technology
Flexible DC power transmission is the HVDC Transmission Technology of new generation taking voltage source converter as core, compare with conventional direct current transportation with ac transmission, flexible DC power transmission is in transmitting energy, can regulate neatly the voltage of AC system, therefore to have controllability better for flexible DC power transmission, operational mode is flexible, applicable situation waits remarkable advantage more, thereby in current power grid construction difficulty and regenerative resource day by day, distributed power source, under the new model that electrical network intellectualized technology develops rapidly, Technology of HVDC based Voltage Source Converter provides new approach for the deficiency that makes up conventional high-tension AC-HVDC technology.
At present, flexible DC power transmission valve tower both domestic and external is all in development, valve tower adopts brace type structure and suspension type structure, valve tower is laminated by multilayer converter valve components, the arrangement of each parts a kind of thyristor converter valve module as disclosed in Chinese patent literature CN101719719B in every layer of converter valve components, a thyristor converter valve module is equivalent to one deck converter valve components, this thyristor converter valve module comprises two valve sections that are arranged symmetrically with, each valve section comprises again saturable reactor assembly, thyristor unit, direct current grading resistor unit, get energy resistance unit, damping resistance unit, damping capacitor unit, gate pole unit and water-cooling system, wherein thyristor unit, direct current grading resistor unit, get energy resistance unit, damping resistance unit, damping capacitor unit and gate pole unit are fixed on same framework and form a thyristor level assembly, saturable reactor is as an independent assembly, thyristor unit is to be in series by several thyristors and appurtenances thereof, the both sides of each thyristor are connected with radiator a corresponding damping resistance, damping capacitor, the equal resistance of direct current, get energy resistance and gate circuit, on arrangement: centered by thyristor unit, gate pole unit is arranged in the both sides of thyristor unit, damping resistance and damping capacitor, a thyristor level assembly and saturable reactor assembly valve section in series, therefore in this thyristor converter valve module unit and water-cooling system by relatively independent being arranged on framework, the arrangement of unit and water-cooling system is discrete, thereby make installation and the very inconvenience of upkeep operation of valve tower.
Application number is that the Chinese patent literature of 201310239581.X discloses a kind of IGBT power cell and the submodule for flexible DC power transmission, this submodule comprises electric capacity, busbar assembly and IGBT module, electric capacity is fixed on two supporting guide rear sides, between IGBT module and control loop thereof, be folded with tabular radiator, in each IGBT module, the composite bus bar being connected with electric capacity is all installed, IGBT module has two and be arranged between two tabular radiators, the top of two tabular radiators is by U-shaped cross current, IGBT power model, thyristor crimping unit and by-pass switch are installed on same firm banking, firm banking is fixed on the front side of two supporting tracks, main busbar is positioned at a firm banking side of electric capacity dorsad, IGBT power model and thyristor crimping unit couple together the element of major loop by two composite bus bars and main busbar, thereby make submodule form all-in-one-piece modular structure, but it is supporting in prior art, to there is no rational reversing valve assembly arrangement and described submodule, therefore existing valve tower still exists and installs and overhaul inconvenient problem.
Summary of the invention
The object of this invention is to provide a kind of converter valve components being easy for installation and maintenance, a kind of valve tower that uses this converter valve components is also provided simultaneously.
In order to realize above object, in the present invention, the technical scheme of converter valve components is as follows:
Converter valve components, comprise framework and plural submodule, on framework, be equipped with point branching pipe for connecting water-main, submodule has heat abstractor, described submodule is arranged into valve section successively along framework left and right directions, each submodule is assemblied on framework by guiding before and after corresponding guiding mechanism respectively, each guiding mechanism all has the pull opening for corresponding submodule turnover, the pull opening of each guiding mechanism homonymy in fore-and-aft direction on framework, each submodule one end is the plug end corresponding with pull opening, heat abstractor is arranged at the tail end of submodule away from plug end, described point of branching pipe near pull opening and with the corresponding setting of heat abstractor of submodule.
A side of extracting out for submodule in pull opening on framework is provided with the inspection platform installation position for installation and maintenance platform, and before and after inspection platform installation position and valve section, interval arranges side by side.
The busbar serial connection that in each submodule, main busbar arranges by tail end, the two ends, left and right of valve section are provided with the power connection end of drawing for accessing major loop.
Framework is provided with the disposable plates of leaking of the interface below of in valve section heat abstractor and point branching pipe, and the disposable plates of leaking is extended along left and right.
In each submodule, heat abstractor is parallel turns on point branching pipe, the water inlet of heat abstractor turns on the water inlet segment of point branching pipe, the delivery port of heat abstractor turns on the water outlet pipeline section of point branching pipe, and the water-in and water-out pipeline section of point branching pipe extends along left and right between disposable plates and valve section leaking.
In the present invention, the technical scheme of valve tower is as follows:
Valve tower, comprise water-main and converter valve components, converter valve components comprises framework and plural submodule, on framework, be equipped with point branching pipe of connecting water-main, submodule has heat abstractor, described submodule is arranged into valve section successively along framework left and right directions, each submodule is assemblied on framework by guiding before and after corresponding guiding mechanism respectively, each guiding mechanism all has the pull opening for corresponding submodule turnover, the pull opening of each guiding mechanism homonymy in fore-and-aft direction on framework, each submodule one end is the plug end corresponding with pull opening, heat abstractor is arranged at the tail end of submodule away from plug end, described point of branching pipe near pull opening and with the corresponding setting of heat abstractor of submodule.
A side of extracting out for submodule in pull opening on framework is provided with the inspection platform installation position for installation and maintenance platform, and before and after inspection platform installation position and valve section, interval arranges side by side.
The busbar serial connection that in each submodule, main busbar arranges by tail end, the two ends, left and right of valve section are provided with the power connection end of drawing for accessing major loop.
Framework is provided with the disposable plates of leaking of the interface below of in valve section heat abstractor and point branching pipe, and the disposable plates of leaking is extended along left and right.
In each submodule, heat abstractor is parallel turns on point branching pipe, the water inlet of heat abstractor turns on the water inlet segment of point branching pipe, the delivery port of heat abstractor turns on the water outlet pipeline section of point branching pipe, and the water-in and water-out pipeline section of point branching pipe extends along left and right between disposable plates and valve section leaking.
The present invention is arranged in plural submodule successively on framework and forms valve section, each submodule is assemblied on framework to guiding along the row of valve section by corresponding guiding mechanism respectively, the pull opening of each guiding mechanism homonymy in fore-and-aft direction on framework, each submodule one end is the plug end corresponding with pull opening, heat abstractor is arranged at the tail end of submodule away from plug end, point branching pipe near pull opening and with the corresponding setting of heat abstractor of submodule, in the time carrying out the maintenance of valve tower and install, the plug end of each submodule can be assemblied in framework from the homonymy guiding of guiding mechanism by pull opening, be positioned at like this heat abstractor of submodule tail end by the homonymy in whole valve section, thereby make operating personnel to complete the installation of submodule on framework in the pull opening side of living in of valve section, make converter valve components conveniently to install and to keep in repair.
Further, on framework, a side of extracting out for submodule of pull opening is provided with the inspection platform installation position for installation and maintenance platform, thereby operating personnel can be stood on inspection platform, complete installation and the maintenance of whole converter valve components, and expand the space of installing and overhauling by setting up inspection platform, further facilitate installation and the maintenance of converter valve.
Further, the busbar serial connection that in each submodule, the pull opening of main busbar by valve section side of living in arranges, like this water receiving of converter valve components with connect electric operation and will complete at the homonymy of valve section, further facilitate installation and the maintenance of converter valve components.
Further, framework is provided with the disposable plates of leaking of the interface below of in valve section heat abstractor and point branching pipe, in the time that leaking appears in the interface of heat abstractor and point branching pipe, this disposable plates of leaking can be fallen in lower floor's converter valve components by anti-sealing, with the infringement of avoiding leaking to converter valve components in valve tower, and leak disposable plates after below heat abstractor, the disposable plates of leaking also, accordingly in the position near pull opening, further facilitates installation and the maintenance of operating personnel to valve tower.
Brief description of the drawings
Fig. 1 is the structural representation of valve tower embodiment 1 in the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the structural representation of converter valve components in Fig. 3;
Fig. 5 is the upward view of Fig. 4;
Fig. 6 is that the A-A of Fig. 5 is to cutaway view;
Fig. 7 is the structural representation of Fig. 4 middle guide frame;
Fig. 8 is that the B-B of Fig. 7 is to cutaway view;
Fig. 9 is the structural representation of valve tower embodiment 2 after dismounting submodule in the present invention;
Figure 10 is the left view of Fig. 9;
Figure 11 is the vertical view of Fig. 9.
Embodiment
The embodiment 1 of valve tower in the present invention: as shown in Figures 1 to 8, this valve tower is a kind of novel flexible DC power transmission brace type valve tower, in the present embodiment, valve tower is a kind of single tower structure, valve tower comprises leg insulator 101, layer insulation 102, valve group layer 103 and water-main 104, the converter valve components that every layer of valve group layer 103 is arranged symmetrically with by two front and back and the inspection platform 105 of installing between the two form, each converter valve components is by the submodule 1062 of framework 1061 and upper assembling thereof, divide branching pipe 1063 to form, wherein submodule 1062 has five and be arranged in successively from left to right on framework 1061 and form valve section, each submodule 1062 is assemblied on framework 1061 by guiding before and after corresponding guiding mechanism respectively again, one side of the close inspection platform 105 of each guiding mechanism is the pull opening 1071 passing in and out for submodule 1062, the pull opening 1071 of each guiding mechanism homonymy in fore-and-aft direction on framework 1061, and mutually concordant in left and right, in each submodule 1062, electric capacity 10622 end of living in is the plug end 10621 for inserting from pull opening 1071, heat abstractor 10623 and main busbar 10624 end of living in are the tail end 10625 away from plug end 10621, after submodule 1062 is in place on guiding mechanism, tail end 10625 can be in pull opening 1071 positions, so that the tail end 10625 of each submodule 1062 is mutually concordant near a side of inspection platform 105 in valve section, divide heat abstractor 10623 belows the left and right of branching pipe 1063 each submodule 1062 in valve section to extend, in each submodule 1062, heat abstractor 10623 is parallel turns on point branching pipe 1063, the water inlet of heat abstractor 10623 turns on the water inlet segment of point branching pipe 1063, the delivery port of heat abstractor 10623 turns on the water outlet pipeline section of point branching pipe 1063, divide the left end of branching pipe 1063 to turn on water-main 104, the inspection platform 105 leftward position places of water-main 104 between two converter valve components.
In the valve group layer 103 of every layer, framework 1061 opposite sides of two converter valve components are the inspection platform installation position of installation and repairing platform 105, between the valve group layer 103 of adjacent layer and below the valve group layer 103 of bottom, be provided with the cat ladder corresponding with inspection platform 105 108, its excess-three side on framework 1061 except the side of maintenance place, installation position is fixed with the spaced apart radome 109 that takes the shape of the letter U.Guiding mechanism comprises the leading truck 1072 of the left and right extension setting firmly on framework 1061, leading truck 1072 is positioned at a left side for valve section, between right side and adjacent submodule 1062, each leading truck 1072 is the T shape support bodys that are made up of the riser 10722 of sandwiched between the wing plate 10721 being symmetrical set and two wing plates 10721, the multi-directional ball 10723 being intervally arranged before and after being equipped with again on each wing plate 10721, the height that multi-directional ball 10723 is exposed from wing plate 10721 is lower than the end face of riser 10722, so that riser 10722 forms the Stop structure that block submodule 1062 moves left and right between two wing plates 10721, and surround the plug unit for submodule 1062 front and back plugs by riser 10722 between adjacent two leading trucks 1072, and a just side of the close inspection platform 105 in this plug unit of pull opening 1071.
One side of the close inspection platform 105 of each valve section is provided with again the busbar 10626 of bridge joint between the main busbar 10624 of adjacent two submodules 1062, busbar 10626 is connected in series the main busbar 10624 of each submodule 1062 in same valve section successively, and be respectively equipped with in the left and right sides of valve section and draw power connection end 10627 for what access major loop, the exit of drawing power connection end 10627 is fixed on the power connecting beam 10611 that on framework 1061, the left and right sides in valve section arranges, thereby make valve section by each busbar 10626 of homonymy and draw power connection end 10627 each submodule 1062 is accessed to major loop.
The water inlet segment of point branching pipe 1063 and water outlet pipeline section be between the upper and lower every setting, and be installed on the mounting bracket that on framework 1061, heat abstractor 10623 bottoms in submodule 1062 arrange.Divide branching pipe 1063 and heat abstractor 10623 to connect by sub-water pipe 10628, all belows in heat abstractor 10623 of two end interfaces of sub-water pipe 10628.On framework 1061, be also installed with the disposable plates 10612 of leaking of the interface below in heat abstractor 10623 and point branching pipe, the disposable plates of leaking 10612 extend along left and right and on fore-and-aft direction the direction of extracting out for submodule 1062 along pull opening 1071 downward-sloping gradually.
Leg insulator 101 has the framework 1061 corner location places of eight groups and bracketing two converter valve components in the valve group layer 103 of bottom, between 102 of the layer insulation valve group layer 103 in adjacent layer, exists side by side and is located at the framework 1061 corner location places of two converter valve components.Water-main 104, from introduce the bottom of leg insulator 101, is drawn towards the left side of whole valve tower, and from the valve group layer 103 of each layer, the front side of inspection platform 105 is upwards arranged, is switched to dividing on branching pipe 1063 of fork forwards, backwards at valve group layer 103 place of every layer.
In the present embodiment, valve tower adopts ground supports formula structure, fix on the ground by leg insulator 101, six submodules 1062 form a valve module, valve module adopts integral hoisting mode, connect successively by layer insulation 102, when valve tower is installed, taking valve module as unit, on-the-spot easy for installation, workload is little; The water-main 104 of valve tower is introduced from bottom, guide the left side of valve tower into, water-main 104 is arranged from top to bottom, be connected to the sub-water pipe 10628 of every one deck valve module by point branching pipe 1063, each valve module is all provided with the disposable plates 10612 of leaking, and this structure can be avoided because valve tower upper water tube leakage causes short circuit harm to bottom components and parts; Each valve tower is provided with two maintenance platforms that are positioned at bottom and top layer, and cat ladder 108 is housed between maintenance platform, and valve tower inside leaves service clearance, and maintenance personal can stand in easily on maintenance platform the each parts of valve tower are safeguarded and changed; The shielding of valve tower outside is made up of several little radomes 109, has both improved heat dispersion, and elegant in appearance; In addition, on the guide rail of each submodule 1062 bottoms, multi-directional ball 10723 is installed, so just can very easily each submodule 1062 be pulled out, safeguard separately.
The embodiment 2 of valve tower in the present invention: as shown in Figures 9 to 11, the difference of the present embodiment and embodiment 1 is, this valve tower is Double-Tower Structure, the valve group layer 203 of every layer is made up of two pairs of symmetrical converter valve components 2031, every pair of converter valve components is made up of two converter valve 2031 of front and back symmetry again, be equipped with water-main 204 in the left and right sides of whole valve tower, so that from a pair of converter valve components left side in left side, introduce main water route from a pair of converter valve components right side on right side.
In the above-described embodiments, water-main arranges from bottom to top, and circulating water enters successively submodule in each layer of valve group layer from bottom to top in water-main, then refluxes downwards, in other embodiments, and also water distribution from the top down of water-main.
In the above-described embodiments, each valve group layer adopts supporting construction, and radome adopts fritter interval to arrange, in other embodiments, valve group layer also can adopt overhung construction, and radome also can adopt integral design.
In the above-described embodiments, in same converter valve components, the heat abstractor of each submodule is parallel turns on point branching pipe, and in other embodiments, each heat abstractor also can be serially connected on point branching pipe.
In the above-described embodiments, guiding mechanism adopts and realizes guiding with the leading truck of multi-directional ball, and in other embodiments, this leading truck can be also line slideway, slide rail etc.
The embodiment of converter valve components in the present invention: in the present embodiment, the structure of converter valve components is identical with the structure of converter valve components in above-described embodiment, therefore repeats no more.
Claims (10)
1. converter valve components, comprise framework and plural submodule, on framework, be equipped with point branching pipe for connecting water-main, submodule has heat abstractor, it is characterized in that, described submodule is arranged into valve section successively along framework left and right directions, each submodule is assemblied on framework by guiding before and after corresponding guiding mechanism respectively, each guiding mechanism all has the pull opening for corresponding submodule turnover, the pull opening of each guiding mechanism homonymy in fore-and-aft direction on framework, each submodule one end is the plug end corresponding with pull opening, heat abstractor is arranged at the tail end of submodule away from plug end, described point of branching pipe near pull opening and with the corresponding setting of heat abstractor of submodule.
2. converter valve components according to claim 1, is characterized in that, the side of extracting out for submodule in pull opening on framework is provided with the inspection platform installation position for installation and maintenance platform, and before and after inspection platform installation position and valve section, interval arranges side by side.
3. converter valve components according to claim 1 and 2, is characterized in that, the busbar serial connection that in each submodule, main busbar arranges by tail end, and the two ends, left and right of valve section are provided with the power connection end of drawing for accessing major loop.
4. converter valve components according to claim 1 and 2, is characterized in that, framework is provided with the disposable plates of leaking of the interface below of in valve section heat abstractor and point branching pipe, and the disposable plates of leaking is extended along left and right.
5. converter valve components according to claim 4, it is characterized in that, in each submodule, heat abstractor is parallel turns on point branching pipe, the water inlet of heat abstractor turns on the water inlet segment of point branching pipe, the delivery port of heat abstractor turns on the water outlet pipeline section of point branching pipe, and the water-in and water-out pipeline section of point branching pipe extends along left and right between disposable plates and valve section leaking.
6. valve tower, comprise water-main and converter valve components, converter valve components comprises framework and plural submodule, on framework, be equipped with point branching pipe of connecting water-main, submodule has heat abstractor, it is characterized in that, described submodule is arranged into valve section successively along framework left and right directions, each submodule is assemblied on framework by guiding before and after corresponding guiding mechanism respectively, each guiding mechanism all has the pull opening for corresponding submodule turnover, the pull opening of each guiding mechanism homonymy in fore-and-aft direction on framework, each submodule one end is the plug end corresponding with pull opening, heat abstractor is arranged at the tail end of submodule away from plug end, described point of branching pipe near pull opening and with the corresponding setting of heat abstractor of submodule.
7. valve tower according to claim 6, is characterized in that, the side of extracting out for submodule in pull opening on framework is provided with the inspection platform installation position for installation and maintenance platform, and before and after inspection platform installation position and valve section, interval arranges side by side.
8. according to the valve tower described in claim 6 or 7, it is characterized in that, the busbar serial connection that in each submodule, main busbar arranges by tail end, the two ends, left and right of valve section are provided with the power connection end of drawing for accessing major loop.
9. according to the valve tower described in claim 6 or 7, it is characterized in that, framework is provided with the disposable plates of leaking of the interface below of in valve section heat abstractor and point branching pipe, and the disposable plates of leaking is extended along left and right.
10. valve tower according to claim 9, it is characterized in that, in each submodule, heat abstractor is parallel turns on point branching pipe, the water inlet of heat abstractor turns on the water inlet segment of point branching pipe, the delivery port of heat abstractor turns on the water outlet pipeline section of point branching pipe, and the water-in and water-out pipeline section of point branching pipe extends along left and right between disposable plates and valve section leaking.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139934.3A CN103944356B (en) | 2014-04-09 | 2014-04-09 | Converter valve components and the valve tower using this converter valve components |
| PCT/CN2014/093375 WO2015154497A1 (en) | 2014-04-09 | 2014-12-09 | Converter valve assembly and valve tower using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139934.3A CN103944356B (en) | 2014-04-09 | 2014-04-09 | Converter valve components and the valve tower using this converter valve components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103944356A true CN103944356A (en) | 2014-07-23 |
| CN103944356B CN103944356B (en) | 2017-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410139934.3A Active CN103944356B (en) | 2014-04-09 | 2014-04-09 | Converter valve components and the valve tower using this converter valve components |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103944356B (en) |
| WO (1) | WO2015154497A1 (en) |
Cited By (9)
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| WO2015154497A1 (en) * | 2014-04-09 | 2015-10-15 | 许继电气股份有限公司 | Converter valve assembly and valve tower using same |
| CN105958407A (en) * | 2016-05-26 | 2016-09-21 | 许继电气股份有限公司 | High voltage DC breaker valve tower structure |
| CN107911032A (en) * | 2017-12-14 | 2018-04-13 | 荣信汇科电气技术有限责任公司 | The soft straight converter valve column support type valve tower structures of ± 800kV/5000MW |
| CN108494269A (en) * | 2018-04-17 | 2018-09-04 | 全球能源互联网研究院有限公司 | A kind of converter valve module built in arrester |
| CN108923345A (en) * | 2018-06-26 | 2018-11-30 | 西安西电电力系统有限公司 | Extra-high voltage flexible DC transmission brace type valve tower |
| CN111146719A (en) * | 2019-12-18 | 2020-05-12 | 中国南方电网有限责任公司超高压输电公司 | Method for replacing power module of ultrahigh-pressure flexible direct-current converter valve in 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 |
| CN112421938A (en) * | 2019-08-23 | 2021-02-26 | 南京南瑞继保电气有限公司 | Pressure-equalizing energy-consumption converter valve tower and pressure-equalizing energy-consumption device |
| CN113131759A (en) * | 2020-01-15 | 2021-07-16 | 许继集团有限公司 | Converter valve tower |
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| CN107543675B (en) * | 2017-09-26 | 2024-05-10 | 南方电网科学研究院有限责任公司 | Device and method for testing earthquake resistance of extra-high voltage direct current converter valve |
| CN111181186B (en) * | 2018-11-09 | 2024-03-15 | 许继电气股份有限公司 | Modularized multi-level hybrid topology valve tower for flexible direct-current transmission |
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| WO2015154497A1 (en) * | 2014-04-09 | 2015-10-15 | 许继电气股份有限公司 | Converter valve assembly and valve tower using same |
| CN105958407A (en) * | 2016-05-26 | 2016-09-21 | 许继电气股份有限公司 | High voltage DC breaker valve tower structure |
| CN107911032A (en) * | 2017-12-14 | 2018-04-13 | 荣信汇科电气技术有限责任公司 | The soft straight converter valve column support type valve tower structures of ± 800kV/5000MW |
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| CN108494269A (en) * | 2018-04-17 | 2018-09-04 | 全球能源互联网研究院有限公司 | A kind of converter valve module built in arrester |
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| CN108923345B (en) * | 2018-06-26 | 2020-04-28 | 西安西电电力系统有限公司 | Extra-high voltage flexible direct current transmission supporting type valve tower |
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| CN112421938A (en) * | 2019-08-23 | 2021-02-26 | 南京南瑞继保电气有限公司 | Pressure-equalizing energy-consumption converter valve tower and pressure-equalizing energy-consumption device |
| CN111146719A (en) * | 2019-12-18 | 2020-05-12 | 中国南方电网有限责任公司超高压输电公司 | Method for replacing power module of ultrahigh-pressure flexible direct-current converter valve in tower |
| CN113131759A (en) * | 2020-01-15 | 2021-07-16 | 许继集团有限公司 | Converter valve tower |
| CN111181052B (en) * | 2020-02-05 | 2021-10-19 | 荣信汇科电气股份有限公司 | Valve tower structure without frame valve section of flexible direct current transmission converter valve |
| 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 |
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| CN103944356B (en) | 2017-03-01 |
| WO2015154497A1 (en) | 2015-10-15 |
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