CN219041408U - Converter system, converter valve hall, inversion station and rectification station - Google Patents
Converter system, converter valve hall, inversion station and rectification station Download PDFInfo
- Publication number
- CN219041408U CN219041408U CN202223001019.7U CN202223001019U CN219041408U CN 219041408 U CN219041408 U CN 219041408U CN 202223001019 U CN202223001019 U CN 202223001019U CN 219041408 U CN219041408 U CN 219041408U
- Authority
- CN
- China
- Prior art keywords
- converter
- assembly
- capacitor
- valve
- converter valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 130
- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 238000001816 cooling Methods 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 239000011810 insulating material Substances 0.000 claims description 5
- 238000004880 explosion Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- -1 debris Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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]
Abstract
The utility model discloses a converter system for high-voltage direct-current transmission. The converter system is for setting up in the transverter valve hall, and the converter system includes: a converter valve assembly for converting between alternating current and direct current; a capacitor assembly, comprising: a capacitor bank connected to the ac side of the converter valve assembly; and a surge arrester group connected in parallel with the capacitor group for limiting a voltage of the capacitor group; and a shield disposed between the converter valve assembly and the capacitor assembly and surrounding at least a side of the capacitor assembly opposite the converter valve assembly.
Description
Technical Field
The utility model relates to the technical field of electric power, in particular to a converter system for high-voltage direct-current transmission, a converter valve hall for high-voltage direct-current transmission, an inverter station for high-voltage direct-current transmission and a rectifier station for high-voltage direct-current transmission.
Background
High Voltage Direct Current (HVDC) power transmission, including for example Ultra High Voltage Direct Current (UHVDC), uses Direct Current (DC) for power transmission, being an alternative to Alternating Current (AC) power transmission. HVDC transmission lines are connected between the rectifying stations and the inverting stations for transmitting power therebetween. An inverter system may be applied at the rectifying station to convert the AC voltage generated by the power generation facility into a DC voltage for transmission. Another inverter may be applied at the inverter station to convert the received DC voltage to an AC voltage of a predetermined frequency and voltage magnitude for use.
Disclosure of Invention
It is advantageous to provide a converter system for hvdc transmission, a converter valve hall for hvdc transmission, an inverter station for hvdc transmission and a rectifier station for hvdc transmission.
According to an aspect of the present utility model, a converter system for hvdc transmission is provided. The converter system is disposed within a converter valve hall, the converter system comprising: a converter valve assembly for converting between alternating current and direct current; a capacitor assembly; and a shield disposed between the converter valve assembly and the capacitor assembly and surrounding at least a side of the capacitor assembly opposite the converter valve assembly. The capacitor assembly includes: a capacitor bank connected to the ac side of the converter valve assembly; and a surge arrester group connected with the capacitor group for limiting a voltage of the capacitor group.
According to an aspect of the present utility model, there is provided a converter valve hall for hvdc transmission. The converter valve hall includes: valve hall top and valve hall bottom; and a converter system according to the present disclosure.
According to an aspect of the present utility model, an inverter station for extra-high voltage direct current transmission is provided. The inverter station comprises a converter system according to the present disclosure.
According to an aspect of the present utility model, a rectifying station for extra-high voltage direct current transmission is provided. The rectifying station comprises a converter system according to the present disclosure.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the present utility model will be apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings.
In the drawings, the same reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily drawn to scale. It is appreciated that these drawings depict only some embodiments according to the disclosure and are not therefore to be considered limiting of its scope.
Fig. 1 shows a schematic view of a converter system for hvdc transmission according to some embodiments of the present utility model, wherein a capacitor assembly is arranged below a converter valve assembly;
fig. 2 shows a schematic view of a converter system for hvdc transmission according to some embodiments of the present utility model, wherein the capacitor assembly is arranged on the circumferential side of the converter valve assembly;
fig. 3 shows a schematic view of a converter system for hvdc transmission according to some embodiments of the present utility model, wherein a capacitor assembly is suspended from a converter valve assembly;
fig. 4 shows a schematic view of a converter system for hvdc transmission according to some embodiments of the present utility model, wherein the converter valve assembly comprises two single valve structures and the capacitor assembly is suspended from the converter valve assembly;
fig. 5 shows a schematic view of a converter system for hvdc transmission according to some embodiments of the present utility model, wherein the capacitor assembly is arranged on the circumferential side of the converter valve assembly and the capacitor assembly is suspended from the valve hall top;
fig. 6 shows a schematic diagram of a converter system for hvdc transmission according to some embodiments of the present utility model, wherein the capacitor assembly is arranged below the converter valve assembly and the capacitor assembly is fixed on the valve hall bottom;
fig. 7 shows a schematic view of a converter system for hvdc transmission according to some embodiments of the present utility model, wherein the converter valve assembly comprises two single valve structures and the capacitor assembly is fixed on the valve hall bottom; and
fig. 8 shows a schematic view of a converter system for hvdc transmission according to some embodiments of the present utility model, wherein the capacitor assembly is arranged on the circumferential side of the converter valve assembly and the capacitor assembly is fixed on the valve hall bottom.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
The inverter system may use capacitive commutation inverter (CCC) technology for voltage conversion. And, the converter system is coupled to the converter transformer for converting the input AC voltage to a DC voltage if the converter system is deployed at the rectifying station or to an AC voltage if the converter system is applied at the inverting station.
The capacitor in the Capacitive Commutation Converter (CCC) can compensate for reactive power consumption of the converter and can still operate stably when the firing angle, the turn-off angle of the converter is close to zero or even negative, so that commutation failure of the converter (especially in weak ac systems) can be avoided. The above-described characteristics of CCC technology make the technology highly advantageous for use in long cable, weak ac systems (even very weak ac systems).
In the related art, CCC technology can be used in, for example, back-to-back power transmission systems in which components such as capacitors are typically disposed outdoors. However, in case CCC technology is used for high voltage direct current, HVDC, systems (even ultra high voltage direct current, UHVDC), capacitors may be arranged within the converter valve hall in order to adapt the arrangement of CCCs to the layout of a conventional HVDC converter station to reduce the arrangement costs. However, since UHVDC systems typically operate at ±800kV and 5kA and above, the connected capacitors are subjected to very high currents, which would lead to unavoidable explosion risks for the capacitors. In addition, extra-high voltage direct current transmission systems are also relatively prone to frequent lightning strikes. For each lightning strike, a large current surge is generated in the rectifier, which causes the capacitor to charge to a relatively high voltage level. When the capacitor voltage is too high, the arrester will absorb the capacitor energy to limit the voltage of the capacitor. Thus, if multiple lightning strikes occur in a short period of time, the lightning arrester is likely to be destroyed by overheating. All of the above risks will result in affecting other components within the converter valve hall, such as the converter valves etc.
In view of this, the present utility model proposes a converter system for high voltage direct current transmission. By arranging the capacitor assemblies in the converter valve hall, the layout of the converter system can be made lower cost and suitable for layout of a conventional HVDC converter station. In addition, by attaching a protective cover to the capacitor assembly, which surrounds at least the side of the capacitor assembly opposite the converter valve assembly, damage to the converter valve assembly due to explosion of the capacitor can be avoided.
A converter system for hvdc transmission according to an embodiment of the present utility model will be described below with reference to fig. 1 to 8.
Fig. 1 shows a schematic diagram of a converter system 1000 for hvdc transmission according to some embodiments of the present utility model.
As shown in fig. 1, a converter system 1000 for hvdc transmission includes: converter valve assembly 100, capacitor assembly 200, and shield 300. Wherein the converter system 1000 is for placement within a converter valve hall. The converter valve assembly 100 is used to convert between alternating current and direct current. The capacitor assembly 200 includes a capacitor bank 210 and an arrester bank 220. Capacitor bank 210 is connected to the ac side of converter valve assembly 100. The arrester group 220 is connected in parallel with the capacitor group 210 for limiting the voltage of the capacitor group 210. The shield 300 is disposed between the converter valve assembly 100 and the capacitor assembly 200 and surrounds at least a side of the capacitor assembly 200 opposite the converter valve assembly 100.
The above embodiments may enable a lower cost arrangement of the converter system and be suitable for layout of a conventional HVDC converter station and may avoid capacitor explosions affecting the converter valve assembly (e.g. pollution of the converter valve assembly by electrolyte or gas etc. generated by capacitor explosions) so that the converter system may be used in high voltage direct current transmission systems (even extra high voltage direct current transmission systems).
In some embodiments, the converter valve assembly 100 may include a plurality of converter valves and a housing. The dc side of the converter valve assembly 100 is connected to the converter transformer to receive the converted voltage from the converter transformer, and the ac side of the converter valve assembly 100 is connected to the capacitor assembly 200 so that the capacitor assembly 200 can stabilize the electric energy returned from the weak grid, thereby avoiding the converter failure of the converter valve assembly 100.
In some embodiments, the converter valve assembly 100 may include a dual valve structure (e.g., the converter valve assembly 100' having the dual valve structure shown in fig. 3, 5, 6, and 8). Additionally or alternatively, the converter valve assembly 100 may include two single valve structures (such as the converter valve assembly 100 "shown in fig. 4 and 7 having a single valve structure). The two single valve structures may be configured to be arranged side by side, for example, suspended side by side from the valve hall top of the converter valve hall, as shown in fig. 4 and 7. Thereby, the converter valve assemblies 100 may be evenly distributed to avoid that the valve hall top is locally subjected to excessive forces and that the longer length double valve structure influences the arrangement of other equipment in the converter valve hall, thereby making the layout of the converter system more flexible.
In some embodiments, the capacitor bank 210 may include a plurality of capacitors, which may be wet capacitors. This is due to the fact that wet capacitors have a relatively high current capacity and are therefore suitable for use in HVDC (even UHVDC) systems for high voltage direct current transmission systems. Alternatively, the capacitor may be another capacitor that can be used for transmitting power, such as a dry capacitor or the like.
In some embodiments, the capacitor bank 210 may include two capacitor banks, as shown in fig. 4 and 7. In the case where the capacitor assembly 200 is arranged opposite to the bottom side of the converter valve assembly 100, two capacitor banks 210 are arranged opposite to the bottom sides of the two single valve structures, respectively. Therefore, the capacitor banks can be uniformly distributed to avoid overlarge force on the bottom of the valve hall or on the part of the converter valve assembly, and the arrangement of two single valve structures of the converter valve assembly is adapted, so that the layout of the converter system is more flexible.
In some embodiments, the arrester group 220 may include a plurality of arresters connected in parallel to the plurality of capacitors, respectively, for limiting voltages of the plurality of capacitors, as shown in fig. 3 to 8. In some examples, each of the plurality of arresters is directly attached to a respective one of the plurality of capacitors, as shown in fig. 3-8. In some other examples, the plurality of arresters are arranged separately from the plurality of capacitors, e.g. in case the capacitor bank is arranged opposite the bottom side of the converter valve assembly, the capacitor bank and the arrester bank are arranged opposite the bottom sides of the two single valve structures of the converter valve assembly, respectively. In this context, "relative" may refer to either perfectly opposed (i.e., aligned) or opposed with some deviation. Thereby, the arrangement of the converter system is adapted to different converter valve hall arrangement scenarios.
In some embodiments, as shown in fig. 1, the capacitor assembly 200 may be arranged opposite the bottom side of the converter valve assembly 100 facing away from the valve hall top of the converter valve hall, i.e. disposed below the converter valve assembly 100.
Fig. 3, 4, 6 and 7 show schematic views of capacitor assembly 200 arranged opposite the bottom side of converter valve assembly 100 facing away from the valve hall top. In case the capacitor assembly 200 is arranged opposite the bottom side of the converter valve assembly 100, the capacitor assembly 200 may be suspended from the converter valve assembly 100 as shown in fig. 3 and 4, or the capacitor assembly 200 may be fixed on the valve hall bottom of the converter valve hall as shown in fig. 6 and 7. Alternatively, in the above case, the capacitor assembly 200 may be suspended from the valve hall top, and the present utility model is not limited thereto. In some examples, the capacitor assembly may be suspended from the converter valve assembly or valve hall top by a connector or secured to the valve hall bottom by a connector. The connection may be made of an insulating material to avoid the creation of an equipotential body between the two parts being connected. The connection may be an insulating post or the like.
Fig. 2 shows a schematic diagram of a converter system 2000 for hvdc transmission according to further embodiments of the present utility model. The features of the converter system 2000 shown in fig. 2 are identical to those of the converter system 1000 shown in fig. 1 except that the relative positions of the capacitor assemblies and the converter valve assemblies are different and will not be described in detail herein for the sake of brevity. As shown in fig. 2, the capacitor assembly 200 may be opposite to the circumferential side of the converter valve assembly 100, i.e., disposed at a side of the converter valve assembly 100. In this context, "relative" may refer to either perfectly opposed (i.e., aligned) or opposed with some deviation.
Fig. 5 and 8 show examples in which the capacitor assembly 200 is arranged opposite to the circumferential side of the converter valve assembly 100. In case the capacitor assembly 200 is arranged opposite to the circumferential side of the converter valve assembly 100, the capacitor assembly 200 may be suspended from the valve hall top as shown in fig. 5, or the capacitor assembly 200 may be fixed on the valve hall bottom of the converter valve hall as shown in fig. 8. In some examples, the capacitor assembly may be suspended from the valve hall top by a connector or secured to the valve hall bottom by a connector. The connection may be made of an insulating material to avoid the creation of an equipotential body between the two parts being connected. The connection may be an insulating post or the like.
In both of the above-described arrangements of capacitor assemblies and converter valve assemblies, the converter valve assembly 100 may be suspended from the valve hall top, whereby the layout of the converter system 1000 may be optimized. At this time, the converter valve assembly 100 may include a first connection member 110 (shown in fig. 3 to 8) for connection with the valve hall top. The converter valve assembly 100 is suspended from the valve hall top by a first connection. The first connector may be made of an insulating material to avoid creating unnecessary current loops. Alternatively, the converter valve assembly may be fixed to the valve hall bottom, and the present utility model is not limited thereto.
In order to avoid an impact of an explosion of the capacitor assembly 200 within the converter valve hall on the converter valve assembly 100, a protective cover 300 may be provided between the capacitor assembly 200 and the converter valve assembly 100 and surrounding at least a side of the capacitor assembly 200 opposite to the converter valve assembly 100 to block gases, debris, and/or electrolytes, etc., generated by the explosion. As shown in fig. 1, in the case where the capacitor assembly 200 is disposed below the converter valve assembly 100, the shield 300 may cover over the capacitor assembly 200. As shown in fig. 2, when the capacitor assembly 200 is disposed at the circumferential side of the converter valve assembly 100, the shield cap 300 may also cover the upper side of the capacitor assembly 200, and the side thereof facing the converter valve assembly 100 may be extended to cover the side of the capacitor assembly 200 opposite to the converter valve assembly 100. Alternatively, the shield 300 may also be directly covered at the side of the capacitor assembly 200 opposite to the converter valve assembly 100, and the present utility model is not limited thereto.
In some embodiments, the shield 300 may be a semi-enclosed structure to cover at least a portion of the capacitor assembly 200. Alternatively, the shield 300 may be a fully enclosed structure to cover the entire capacitor assembly 200. In some examples, corners of the shield 300 may be provided in a rounded configuration, i.e., connected by rounded curved surfaces, whereby static electricity may be prevented from accumulating at the corners.
In some embodiments, the capacitor assembly 200 may be attached to the protective cover 300. At this time, the capacitor assembly 200 may be attached to the converter valve assembly 100 by the shield 300 or suspended from the valve hall top of the converter valve hall or fixed on the valve hall bottom of the converter valve hall. That is, the protective cover 300 is attached to the converter valve assembly 100, or suspended from or secured to the valve hall bottom of the converter valve hall. The attachment of the shield 300 to the converter valve assembly 100 may refer to the attachment of the shield 300 directly to the converter valve assembly 100, such as in a unitary structure with the housing of the converter valve assembly 100, or by a second connection to the converter valve assembly 100. At this time, the shield 300 may include a second connection member for connection with the converter valve assembly 100 or the valve hall top or bottom, the second connection member being made of an insulating material to avoid the generation of an equipotential body between the two connected components.
Specifically, as shown in fig. 3 and 4, in the case where the capacitor assembly 200 is disposed opposite to the bottom side of the converter valve assembly 100, the shield 300 second connection member 310 is connected with the converter valve assembly 100. As shown in fig. 5, in the case where the capacitor assembly 200 is disposed opposite to the bottom side of the converter valve assembly 100, the shield 300 is connected to the valve hall top by the second connection member 310'. As shown in fig. 6, 7 and 8, in the case where the capacitor assembly 200 is disposed opposite to the circumferential side of the valve assembly 100, the shield 300 is connected to the valve hall bottom by the second connector 310″.
The shield 300 may include one or more shields. For example, in case the capacitor bank 210 may include two capacitor banks 210, two shields 300 may be provided to cover the two capacitor banks 210, respectively, as shown in fig. 4 and 7. For another example, in case the capacitor bank and the arrester bank are arranged opposite to the bottom sides of the two single valve structures of the converter valve assembly, respectively, two protective covers may be provided covering the capacitor bank and the arrester bank, respectively.
In some embodiments, the capacitor assembly 200 is electrically connected in series with the converter valve assembly 100. In some examples, as shown in fig. 1 and 2, the capacitor assembly 200 is connected to the converter valve assembly 100 by a cable 400, and the cable 400 is laid out of the protective cover 300 to avoid that the laying of the cable affects the protective effect of the protective cover 300. It should be understood herein that the capacitor assembly and the converter valve assembly may be electrically connected in series by other means, and the utility model is not limited thereto.
In some embodiments, as shown in fig. 1 and 2, the converter system 1000 further comprises a first cooling duct 500 and a second cooling duct within the converter valve assembly 100, the first cooling duct 500 being connected between the second cooling duct and the arrester group 220 for cooling the arrester group 220. Thereby, it is possible to achieve that the cooling liquid in the cooling duct in the converter valve assembly 100 is led into the arrester group 220 for heat dissipation of the arrester group 220. This is because the converter system is inevitably vulnerable to frequent lightning strokes in case the converter system is used in a high voltage direct current transmission system (even an extra high voltage direct current transmission system). For each lightning strike, a large current surge is generated in the rectifier, which causes the capacitor to charge to a relatively high voltage level. To absorb the energy of the capacitor, the arrester is likely to overheat and be destroyed. Therefore, the cooling capacity of the lightning arrester can be improved by the embodiment, so that the damage of the lightning arrester is avoided, and the performance of the capacitor and the lightning arrester is improved.
Additionally or alternatively, the converter system may further comprise a third cooling duct connected between the lightning arrester group and the cooling duct at the top of the valve hall or at the bottom of the valve hall of the converter valve hall for cooling the lightning arrester group.
In some embodiments, the first cooling duct 500 may also avoid the shield 300 from being laid down to avoid the cooling duct from affecting the protective effect of the shield 300.
According to another aspect of the present utility model there is provided a converter valve hall for hvdc transmission comprising: valve hall top and valve hall bottom; and the above converter system 1000 or 2000.
According to another aspect of the present utility model, an inverter station for high voltage direct current transmission is provided, comprising the above converter system 1000 or 2000.
According to another aspect of the present utility model there is provided a rectifying station for high voltage direct current transmission comprising the above converter system 1000 or 2000.
It should be understood that in this specification, terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., refer to an orientation or positional relationship or dimension based on that shown in the drawings, which are used for convenience of description only, and do not indicate or imply that the device or element referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the scope of protection of the present application.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The specification provides many different embodiments or examples that can be used to implement the present application. It should be understood that these various embodiments or examples are purely illustrative and are not intended to limit the scope of the application in any way. Various changes and substitutions will occur to those skilled in the art based on the disclosure herein, and these are intended to be included within the scope of the present application. The scope of protection of the present application is therefore intended to be limited only by the scope of protection defined by the appended claims.
Claims (15)
1. A converter system for hvdc transmission, the converter system being arranged in a converter valve hall, the converter system comprising:
a converter valve assembly for converting between alternating current and direct current;
a capacitor assembly, comprising:
a capacitor bank connected to the ac side of the converter valve assembly; and
a surge arrester group connected in parallel with the capacitor group for limiting a voltage of the capacitor group; and
a shield disposed between the converter valve assembly and the capacitor assembly and surrounding at least a side of the capacitor assembly opposite the converter valve assembly.
2. The converter system of claim 1, wherein the capacitor assembly is connected in electrical series with the converter valve assembly.
3. The converter system of claim 1, wherein the converter valve assembly is configured to hang from a valve hall top of the converter valve hall, the capacitor assembly being disposed opposite a bottom side of the converter valve assembly facing away from the valve hall top or opposite a circumferential side of the converter valve assembly.
4. A converter system according to claim 3, wherein the capacitor assembly is attached to the protective cover and the protective cover is attached to the converter valve assembly or is configured to be suspended from or fixed to the valve hall bottom of the converter valve hall.
5. The converter system of claim 4, wherein the converter valve assembly includes a first connector for connection with the valve hall top, wherein the protective cover includes a second connector for connection with the converter valve assembly or the valve hall top or the valve hall bottom, and wherein the first connector and the second connector are made of an insulating material.
6. A converter system according to claim 3, wherein the converter valve assembly comprises two single valve structures and the two single valve structures are configured to hang side by side from the valve hall top.
7. The converter system of claim 6, wherein the capacitor bank comprises two capacitor banks, and wherein the two capacitor banks are disposed opposite the bottom sides of the two single valve structures, respectively, with the capacitor assemblies disposed opposite the bottom sides of the converter valve assemblies.
8. A converter system according to claim 6, wherein the capacitor bank and the arrester bank are arranged opposite the bottom sides of the two single valve structures, respectively, with the capacitor assembly arranged opposite the bottom sides of the converter valve assemblies.
9. The inverter system of claim 3, wherein the inverter system comprises,
in the case where the capacitor assembly is arranged opposite to the bottom side of the converter valve assembly, the capacitor assembly is suspended from the converter valve assembly or fixed on the valve hall bottom of the converter valve hall, and
with the capacitor assembly arranged opposite the circumferential side of the converter valve assembly, the capacitor assembly is suspended from or fixed on the valve hall bottom of the converter valve hall.
10. A converter system according to any of claims 1-9, characterized in that the converter system further comprises a first cooling duct and the converter valve assembly comprises a second cooling duct, the first cooling duct being connected between the second cooling duct and the arrester group for cooling the arrester group.
11. A converter system according to any of claims 1-9, characterized in that the converter system further comprises a third cooling duct connected between the arrester group and the cooling duct at the valve hall top or bottom of the converter valve hall for cooling the arrester group.
12. A converter system according to any of claims 1-9, characterized in that the capacitor bank comprises a plurality of wet capacitors.
13. A converter valve hall for hvdc transmission, the converter valve hall comprising:
valve hall top and valve hall bottom; and
a converter system according to any one of claims 1 to 12.
14. An inverter station for hvdc transmission, characterized in that the inverter station comprises an inverter system according to any of claims 1-12.
15. A rectifying station for hvdc transmission, characterized in that it comprises a converter system according to any of claims 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223001019.7U CN219041408U (en) | 2022-11-10 | 2022-11-10 | Converter system, converter valve hall, inversion station and rectification station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223001019.7U CN219041408U (en) | 2022-11-10 | 2022-11-10 | Converter system, converter valve hall, inversion station and rectification station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219041408U true CN219041408U (en) | 2023-05-16 |
Family
ID=86279209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223001019.7U Active CN219041408U (en) | 2022-11-10 | 2022-11-10 | Converter system, converter valve hall, inversion station and rectification station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219041408U (en) |
-
2022
- 2022-11-10 CN CN202223001019.7U patent/CN219041408U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20140077611A1 (en) | Capacitor bank, laminated bus, and power supply apparatus | |
| CN101763922B (en) | Lightning-protection method and device for transmission line composite insulator | |
| CN104901163A (en) | Lightning arrester device for +-800 KV ultra-high voltage direct-current (UHVDC) transmission line | |
| US20110310523A1 (en) | Electrical apparatus with electrostatic shield | |
| CN210091919U (en) | High temperature and high voltage resistant capacitor | |
| EP3933957A1 (en) | Battery pack | |
| CN219041408U (en) | Converter system, converter valve hall, inversion station and rectification station | |
| CN111490381B (en) | Rotary connecting unit, connecting channel selection device and charging equipment | |
| CN202422893U (en) | Zinc oxide lightning arrester | |
| CN103746084A (en) | Power battery and power battery pack | |
| CN207116125U (en) | The insulator of Electric Field Distribution near high-field electrode can be improved | |
| CN209199697U (en) | Start-up resistor is used in high pressure flexible direct current transmission of electricity | |
| CN207587443U (en) | A kind of micro-pressure seal box 12kV insulated sleeve components | |
| CN202940459U (en) | Lightning arrester used in extra-high voltage alternating-current electric transmission line | |
| CN207883829U (en) | A kind of lithium battery with multifunction protection | |
| CN202435030U (en) | Connection structure between smoothing reactor of extra-high voltage converter station | |
| CN210516371U (en) | Lightning arrester and power transmission system | |
| CN216387162U (en) | Multi-transformer high-voltage generator structure for optimizing voltage distribution | |
| CN212485145U (en) | Low-impedance electrolytic capacitor | |
| CN107359022A (en) | The insulator of Electric Field Distribution near high-field electrode can be improved | |
| CN218214836U (en) | Novel arrester for electric power system | |
| CN209912822U (en) | Conductive bus for circuit breaker | |
| CN211529721U (en) | Novel energy-saving dry-type transformer | |
| CN220604473U (en) | High-voltage-grade dry-type transformer | |
| CN217282676U (en) | Special amplitude modulation frequency modulation power supply for dust removal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240109 Address after: Zurich, SUI Patentee after: Hitachi Energy Co.,Ltd. Address before: Swiss Baden Patentee before: Hitachi energy Switzerland AG |
|
| TR01 | Transfer of patent right |