CN208445486U - A kind of converter valve module built in arrester - Google Patents
A kind of converter valve module built in arrester Download PDFInfo
- Publication number
- CN208445486U CN208445486U CN201820547781.XU CN201820547781U CN208445486U CN 208445486 U CN208445486 U CN 208445486U CN 201820547781 U CN201820547781 U CN 201820547781U CN 208445486 U CN208445486 U CN 208445486U
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- Prior art keywords
- main circuit
- arrester
- shielding case
- water
- converter valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 18
- 238000013016 damping Methods 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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Abstract
The utility model provides the converter valve module built in a kind of arrester, arrester is arranged in parallel with the main circuit, and the Shielding tensor is connect with the arrester current potential, when being struck by lightning, the influence of shielding case direct-to-ground capacitance and mutual capacitance to main circuit can be reduced, the partial pressure uniformity for improving the thyristor pressing component being located inside main circuit, is damaged to be beneficial to prevent thyristor pressing component.
Description
Technical field
The utility model relates to converter valve technical fields, and in particular to the converter valve module built in a kind of arrester.
Background technique
Converter valve is the core component of AC to DC in extra-high voltage direct-current transmission, direct current change exchange.It is existing at present to change
The form that valve valve tower structure is the lifting of multiple valve modules is flowed, in valve tower loong shunt protection of arrester converter valve component not by thunder and lightning
Damage.
Customary DC power transmission engineering constructs converter valve using thyristor as core devices, and converter valve includes main circuit, touching
Hair and monitoring system etc., wherein main circuit is made of thyristor, absorbing circuit, equalizing resistance and equalizing capacitance etc..The prior art
In, converter valve suspends arrester with valve tower in midair respectively, and arrester is to prevent valve tower to be struck by lightning, still, above-mentioned setting side
In formula, the current potential of converter valve shielding case is fixed on the main circuit, and the direct-to-ground capacitance of shielding case can be to the brilliant lock in main circuit at this time
The voltage's distribiuting of pipe generates uneven influence.And for converter valve, thyristor belongs to the core of converter valve, it is therefore desirable to protect
Hold thyristor voltage stability.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome arrester in the prior art to be arranged in converter valve
Outside is easy the defect impacted to the thyristor pressing component inside converter valve.
For this purpose, the utility model provides the converter valve module built in a kind of arrester, comprising: shielding case;Main circuit, if
It sets inside the shielding case, the main circuit includes thyristor pressing component;Arrester, the main circuit are arranged in parallel, and
The Shielding tensor is connect with the arrester current potential.
The converter valve module further includes two groups of busbars, is separately mounted to the both ends of the main circuit, and electric current passes through
One group of busbar flows into the main circuit, then flows out from another group of busbar.
The converter valve module further includes valve yoke, and the shielding case is arranged in the outer rim of the valve yoke, institute
Valve yoke is stated to support the main circuit, the arrester and the shielding case.
The valve yoke includes: horizontal beam, is two parallel with the arrester or the main circuit, the shielding
It is provide with and sets at the outer rim of the horizontal beam;Several vertical beams parallel to each other, both ends are connected to two levels
Between beam, the vertical beam is to support the main circuit, the arrester and the shielding case.
The converter valve module further includes water-cooling system, to be cooled down to the component in the main circuit,
Include: two lateral water pipes parallel to each other, is connected separately at least one branching pipe on the every lateral water pipe;Threeway,
It is flowed into another lateral water pipe from the cooling water of an outflow in the lateral water pipe by the threeway.
Thyristor pressing component two sides described in the main circuit is separately connected damping capacitor and gate leve unit.
The branching pipe is arranged below the damping capacitor and the thyristor pressing component.
The converter valve module further includes Antileaking plate, and the lower section of the water-cooling system, institute is arranged in the Antileaking plate
Antileaking plate is stated equipped with gutter, to the water discharge that will be flowed out from the water-cooling system.
Technical solutions of the utility model have the advantages that
1. the converter valve module built in arrester provided by the utility model, arrester is in parallel with the main circuit to be set
Set, and the Shielding tensor is connect with the arrester current potential, when being struck by lightning, can reduce shielding case direct-to-ground capacitance and
Influence of the mutual capacitance to main circuit improves the partial pressure uniformity for the thyristor pressing component being located inside main circuit, thus favorably
In preventing thyristor pressing component to be damaged.
2. the converter valve module built in arrester provided by the utility model, the converter valve module further includes water
Cooling system, to be cooled down to the component in the main circuit comprising: two lateral water pipes parallel to each other, every institute
It states and is connected separately at least one branching pipe on lateral water pipe, cooling water is flowed into from branching pipe, is then flowed through threeway, is then flowed
Enter in another lateral water pipe, to complete cooling procedure, above structure is compact, connector negligible amounts, and the stream of every water pipe
Amount uniformly, is conducive to reduce water leakage.
3. the converter valve module built in arrester provided by the utility model, the converter valve module further includes preventing
Bushing, the Antileaking plate are arranged in the lower section of the water-cooling system, and the Antileaking plate is equipped with gutter, to will be from the water
The water discharge of cooling system outflow eliminates immersion of the leak to component in converter valve, changes to improve by the way that Antileaking plate is arranged
Flow valve reliability of operation.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the converter valve module built in the arrester provided by the utility model;
Fig. 2 is the structural schematic diagram of the valve yoke provided by the utility model;
Fig. 3 is the structural schematic diagram of the arrester provided by the utility model;
Fig. 4 is the structural schematic diagram of the shielding case provided by the utility model;
Fig. 5 is the structural schematic diagram of the water-cooling system provided by the utility model;
Fig. 6 is the structural schematic diagram of the Antileaking plate provided by the utility model.
Description of symbols:
1- shielding case;2- arrester;3- busbar;4- valve yoke;41- horizontal beam;42- vertical beam;5- water-cooling system;51-
Lateral water pipe;511- branching pipe;52- threeway;7- thyristor pressing component;8- damping capacitor;9- gate leve unit;10- Antileaking plate;
11- access path.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
The present embodiment provides the converter valve modules built in a kind of arrester, as shown in figures 1 to 6, comprising: shielding case 1;It is main
Circuit is arranged inside the shielding case 1, and the main circuit includes thyristor pressing component 7;Arrester 2, the main circuit is simultaneously
Connection setting, and 1 current potential of the shielding case is connect with 2 current potential of arrester, and when being struck by lightning, it is right can to reduce shielding case 1
The influence of ground capacitor and mutual capacitance to main circuit improves the partial pressure uniformity for the thyristor pressing component 7 being located inside main circuit,
It is damaged to be beneficial to prevent thyristor pressing component 7.
In the present embodiment, the main circuit include gate leve unit 9, damping capacitor 8, damping resistance, saturable reactor, uniformly
Resistance and thyristor pressing component 7.Wherein damping capacitor 8, damping resistance, even resistance and gate leve unit 9 are arranged in
The two sides of thyristor pressing component 7.
7 two sides of thyristor pressing component described in the main circuit is separately connected damping capacitor 8 and gate leve unit 9.It is described
Branching pipe 511 is arranged below the damping capacitor 8 and the thyristor pressing component 7.
In the present embodiment, the converter valve module further includes two groups of busbars 3, is separately mounted to the two of the main circuit
End, electric current flow into the main circuit by one group of busbar 3, then flow out from another group of busbar 3.
In the present embodiment, the converter valve module further includes valve yoke 4, as shown in Fig. 2, the shielding case 1 is arranged
In the outer rim of the valve yoke 4, the valve yoke 4 is to support the main circuit, the arrester 2 and the shielding case 1.
As shown in Figures 2 and 3,3 points of A, B, C are provided on the valve yoke and arrester, when arrester is mounted on valve yoke
When upper, corresponding point is in contact.
Specifically, the valve yoke 4 includes: horizontal beam 41, is parallel with the arrester 2 or the main circuit two
Item, the shielding case 1 are arranged at the outer rim of the horizontal beam 41;Several vertical beams 42 parallel to each other, both ends connect respectively
It connects between two horizontal beams 41, the vertical beam 42 is to support the main circuit, the arrester 2 and the shielding
Cover 1.
Specifically, the vertical beam 42 carries out external insulation processing, and 7 potential isolation of main circuit thyristor pressing component, from
And the direct-to-ground capacitance of shielding case 1 and mutual capacitance disappear to the influence that thyristor divides, it is greatly improved thyristor voltage point
The uniformity of cloth.
In the present embodiment, in order to improve the radiating efficiency of converter valve, as shown in figure 5, the converter valve module also wraps
Water-cooling system 5 is included, to cool down to the component in the main circuit comprising: two lateral water pipes 51 parallel to each other,
At least one branching pipe 511 is connected separately on the every lateral water pipe 51;Threeway 52, one from the lateral water pipe 51
The cooling water of root outflow is flowed into another lateral water pipe 51 by the threeway 52.Above structure is compact, connector negligible amounts,
And the uniform flow of every water pipe, be conducive to reduce water leakage
Specifically, the branching pipe 511 is connected with water source, and high-pressure cooling water flows into entire water cooling system by branching pipe 511
In system 5, and flowed out from the branching pipe 511 of another lateral water pipe 51.
Meanwhile cooling water causes to impregnate to the component inside converter valve in order to prevent, as shown in fig. 6, in the change of current
Antileaking plate 10 is arranged in valve module, and the lower section of the water-cooling system 5 is arranged in the Antileaking plate 10, and the Antileaking plate 10 is equipped with
Gutter, to the water discharge that will be flowed out from the water-cooling system 5.
In the present embodiment, access path 11 is provided between water-cooling system 5 and arrester 2, to realize single single column
Repair and maintenance work, remove from maintenance car operation manpower and the time, improve working efficiency.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (5)
1. the converter valve module built in a kind of arrester characterized by comprising
Shielding case (1);
Main circuit, setting is internal in the shielding case (1), and the main circuit includes thyristor pressing component (7);
Arrester (2), shielding case (1) current potential are connect with the arrester (2) current potential;
Two groups of busbars (3) are separately mounted to the both ends of the main circuit, and electric current flows into the main circuit by one group of busbar (3),
Then the outflow from another group of busbar (3);
Water-cooling system (5), to be cooled down to the component inside the main circuit;
Antileaking plate (10), the Antileaking plate (10) are arranged in the lower section of the water-cooling system (5), and the Antileaking plate (10) is equipped with
Gutter, to the water discharge that will be flowed out from the water-cooling system (5).
2. converter valve module according to claim 1, which is characterized in that further include valve yoke (4), the shielding case
(1) it is arranged in the outer rim of the valve yoke (4), the valve yoke (4) is to support the main circuit, the arrester (2)
And the shielding case (1).
3. converter valve module according to claim 2, which is characterized in that the valve yoke (4) includes:
Horizontal beam (41) is two parallel with the arrester (2) or the main circuit, and shielding case (1) setting exists
At the outer rim of the horizontal beam (41);
Several vertical beams (42) parallel to each other, both ends are connected between two horizontal beams (41), described vertical
Beam (42) is to support the main circuit, the arrester (2) and the shielding case (1).
4. converter valve module according to claim 3, which is characterized in that the water-cooling system (5) includes:
Two lateral water pipes (51) parallel to each other are connected separately at least one branching pipe on the every lateral water pipe (51)
(511);
Threeway (52) flows into another by the threeway (52) from the cooling water of an outflow in the lateral water pipe (51)
In lateral water pipe (51).
5. converter valve module according to claim 4, which is characterized in that thyristor press fitting group described in the main circuit
Part (7) two sides are separately connected damping capacitor (8) and gate leve unit (9), and the branching pipe (511) is arranged in the damping capacitor
(8) and below the thyristor pressing component (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820547781.XU CN208445486U (en) | 2018-04-17 | 2018-04-17 | A kind of converter valve module built in arrester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820547781.XU CN208445486U (en) | 2018-04-17 | 2018-04-17 | A kind of converter valve module built in arrester |
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Publication Number | Publication Date |
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CN208445486U true CN208445486U (en) | 2019-01-29 |
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CN201820547781.XU Active CN208445486U (en) | 2018-04-17 | 2018-04-17 | A kind of converter valve module built in arrester |
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CN (1) | CN208445486U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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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2018
- 2018-04-17 CN CN201820547781.XU patent/CN208445486U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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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