CN210327010U - Transfer branch valve module structure - Google Patents
Transfer branch valve module structure Download PDFInfo
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- CN210327010U CN210327010U CN201921608808.2U CN201921608808U CN210327010U CN 210327010 U CN210327010 U CN 210327010U CN 201921608808 U CN201921608808 U CN 201921608808U CN 210327010 U CN210327010 U CN 210327010U
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- 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 discloses a shift by-pass valve modular structure, include: the system comprises a multi-stage transfer branch unit, a distributed energy supply unit, a valve module frame and a valve module bus bar, wherein the multi-stage transfer branch unit is connected in series and installed on the valve module frame through the valve module bus bar; the distributed energy supply unit is arranged on one side of the valve module frame and used for supplying electric energy to the multi-stage transfer branch unit. The utility model discloses with the design of power electronic device pressure equipment unit for the compact small-size pressure equipment unit and with the integrated arrangement of form of subelement, make production maintenance work easier, shift the inside distributed energy supply system that has integrateed of branch valve module simultaneously, can improve the maintainability of valve module effectively, the work load that the valve tower was built has significantly reduced, the utility model discloses a shift branch valve module can be applied to hybrid high voltage direct current circuit breaker and shift branch road or other requirements and realize the disconnected equipment and the occasion of two-way super fast heavy current branch.
Description
Technical Field
The utility model relates to a direct current transmission field, concretely relates to shift by-pass valve modular structure.
Background
The breaker is a core component for breaking short-circuit current in the flexible direct-current transmission system and is formed by connecting 3 branches including a transfer branch, a main branch and an energy absorption branch in parallel. The transfer branch is a key component of the circuit breaker, and the transfer branch transfers and shuts off fault current in the action process of the circuit breaker. In prior art, the circuit breaker shifts and contains a large amount of power electronics in the branch valve module to its electrical connection is complicated, has brought certain difficulty for maintenance work, and present distributed energy supply system sets up in the outside of shifting the branch valve module simultaneously, has increased the work load that the valve tower was built.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the difficult maintenance of branch valve module that shifts among the prior art, the defect that the work load of valve tower installation is big to a branch valve modular structure shifts is provided.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an embodiment of the utility model provides a shift by-pass valve modular structure, include: the system comprises a multi-stage transfer branch unit, a distributed energy supply unit, a valve module frame and a valve module bus bar, wherein the multi-stage transfer branch unit is connected in series and installed on the valve module frame through the valve module bus bar; the distributed energy supply unit is arranged on one side of the valve module frame and used for supplying electric energy to the multi-stage transfer branch unit.
In one embodiment, the transfer branch valve module structure, the multi-stage transfer branch unit includes: the power electronic switch assembly, the control protection board card and the board card energy supply magnetic ring are arranged on the transfer branch unit frame.
In one embodiment, the transfer branch valve module structure, the valve module frame comprises: the valve module energy supply system comprises a valve module energy supply system frame, a first valve module frame body and a second valve module frame body, wherein the valve module energy supply system frame is connected with the first valve module frame body or the second valve module frame body through an insulating beam, and the first valve module frame body is connected with the second valve module frame body through a shockproof assembly.
In one embodiment, the transfer branch valve module structure, the anti-vibration assembly includes: and a damping vibration isolator.
In one embodiment, the transfer branch valve module structure, the valve module bus bar includes: the plurality of transfer branch unit busbars and the two aluminum beams; the plurality of branch transferring unit busbars are used for connecting the multistage branch transferring units; the aluminum beam is an inlet and outlet line of the transfer branch valve and is used for electrically connecting the plurality of transfer branch valves.
In one embodiment, the transfer branch valve module structure, the power electronic switch assembly comprises: the diode press-fitting device comprises an IGBT press-fitting unit, a diode press-fitting unit and a capacitor, wherein the diode press-fitting unit and the capacitor, and the diode press-fitting unit and the IGBT press-fitting unit are connected through a laminated busbar.
In one embodiment, the transfer branch valve module structure, the distributed power supply unit includes: distributed transformer reactor subassembly and energy supply cable.
In an embodiment, in the transfer branch valve module structure, an overhaul platform is arranged inside each transfer branch unit and outside the valve tower.
In an embodiment, the transfer branch valve module structure is configured to sequentially mount, from inside to outside, the power electronic switch assembly, the control protection board card and the board card energy supply magnetic ring in the multistage transfer branch unit on the transfer branch unit frame according to two factors, namely, the device maintenance frequency is sorted from large to small and the diode press-mounting unit is close to the transfer branch valve side.
In an embodiment, in the transfer branch valve module structure, a gold finger of the IGBT press-fitting unit is installed toward the side of the control protection board.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a shift by-pass valve modular structure designs power electronic device pressure equipment unit for the compact small-size pressure equipment unit and arranges with the form integration of subelement, makes production maintenance work easier, shifts by-pass valve module internal integration distributed energy supply system simultaneously, can improve the maintainability of valve module effectively and reduce the work load that the valve tower was built.
2. The utility model provides a shift by-pass valve modular structure, with an aluminium matter supporting beam as the main business turn over line of valve module, an aluminium matter supporting beam undertakes structural support and electrical connection's function simultaneously, can effectively reduce valve module weight to can reduce female part quantity of arranging, simplify the electrical connection structure between the valve module.
3. The utility model provides a shift by-pass valve modular structure will shift by-pass valve module frame main part and divide into two parts, and the centre is connected through the vibration isolation device, has improved the anti-seismic performance of circuit breaker valve tower and has shifted by-pass valve module's reliability.
4. The utility model provides a shift by-pass valve modular structure has set up the maintenance platform transferring by-pass valve module inside, for maintainer and required material of maintenance work, instrument provide reliable safe foothold and place the point, the amount of labour in the valve tower installation work that significantly reduces simultaneously.
5. The utility model provides a shift branch valve modular structure, reasonable effectual arranging shifts the components and parts in the branch valve, and the distance that makes the part of maintaining the frequency height and overhaul the platform is nearer, can make the arrangement of maintaining the work more reasonable.
6. The utility model provides a shift branch road valve modular structure arranges diode pressure equipment unit near the valve tower inboard, can effectively reduce whole branch road return circuit inductance that shifts.
7. A plurality of transfer branch valve modules are arranged in series in a multilayer mode, and the current breaking requirements of different voltage grades can be met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an example of a transfer branch valve module structure provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of a specific example of a transfer branch valve module structure provided in an embodiment of the present invention;
fig. 3 is a schematic diagram of an example of a branch transfer unit provided in an embodiment of the present invention;
fig. 4 is a schematic diagram of a specific example of a branch circuit transferring unit according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an example of a valve module frame provided by an embodiment of the present invention;
fig. 6 is a schematic diagram of a specific example of a valve module frame provided by an embodiment of the present invention;
fig. 7 is a schematic diagram of a specific example of a valve module busbar according to an embodiment of the present invention;
fig. 8 is a topology structure diagram of a branch unit provided in the embodiment of the present invention;
fig. 9 is a schematic diagram of a specific example of a power supply unit according to an embodiment of the present invention.
Reference numerals:
1-a multi-stage transfer tributary unit; 2-a distributed energy supply unit; 3-a valve module frame;
4-valve module busbar; 11-transferring the tributary unit frame; 12-a power electronic switching assembly;
13-controlling the protection board card; 14-a board card energy supply magnetic ring; 15-maintenance of the platform;
21-a distributed transformer reactor assembly; 22-an energy supply cable; 31-valve module power system frame;
32-a first valve module frame body; 33-second valve module frame body; 34-a damping vibration isolator;
41-transferring branch unit busbar; 42-transferring the branch unit aluminum beam;
121-IGBT press mounting unit; 122-diode press-fitting unit; 123-capacitance; 124-laminated busbar;
125-capacitor series resistance; 126-capacitance parallel resistance; 311-valve module energy supply system frame aluminum beam;
312-valve module power system frame insulation beams; 321-a first valve module frame body first aluminum beam;
322-first valve module frame body second aluminum beam; 323-first valve module frame body insulation beam;
331-second valve module frame body first aluminum beam; 332-second valve module frame body second aluminum beam;
333-second valve module frame body insulation beams.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
An embodiment of the utility model provides a shift by-pass valve modular structure not only can be applied to high voltage direct current circuit breaker, can also be applied to other equipment and occasions that require to realize that two-way super fast heavy current is disconnected. As shown in fig. 1, the transfer branch valve module structure includes: a multi-stage transfer branch unit 1, a distributed energy supply unit 2, a valve module frame 3 and a valve module bus bar 4, wherein,
the multistage transfer branch units 1 are connected in series through valve module busbars 4 and are mounted on a valve module frame 3. The embodiment of the utility model provides an in, it comprises a plurality of branch road valve module series connection to shift the branch road, as shown in fig. 2, shifts branch road valve module and contains multistage branch road unit 1 that shifts, according to actual demand, arranges a plurality of branch road units that shift through the valve module that 4 are established ties, can satisfy the demand of different voltage classes. The multi-stage transfer branch unit 1 is mounted on the valve module frame 3 insulation beam and fastened by standard members.
The distributed power supply unit 2 is installed at one side of the valve module frame 3 for supplying power to the multi-stage transfer branch unit. The embodiment of the utility model provides an in, in order to protect the energy supply cable and the amount of labour in the valve tower installation work that significantly reduces better in whole production, installation maintenance process, with distributed energy supply unit integrated inside the branch road valve module that shifts, install in one side of valve module frame 3.
The utility model provides a pair of shift by-pass valve modular structure designs power electronic device pressure equipment unit for the compact small-size pressure equipment unit and arranges with the form integration of subelement, makes production maintenance work easier, shifts by-pass valve module internal integration distributed energy supply system simultaneously, can improve the maintainability of valve module effectively and reduce the work load that the valve tower was built.
In an embodiment, as shown in fig. 3, the multi-stage transfer branch unit 1 includes: the power electronic switch assembly comprises a transfer branch unit frame 11, a power electronic switch assembly 12, a control protection board card 13 and a board card energy supply magnetic ring 14, wherein the power electronic switch assembly 12, the control protection board card 13 and the board card energy supply magnetic ring 14 are installed on the transfer branch unit frame 11. As shown in fig. 4, in the embodiment of the present invention, the power electronic switch assembly 12, the control protection board 13 and the board energy supply magnetic ring 14 inside the branch circuit unit are all installed on the branch circuit unit frame 11, and the branch circuit unit frame 11 is welded by a square stainless steel pipe, so that the weight is light and the strength is high. And the board card energy supply magnetic ring 14 is installed on the transfer branch unit frame 11 through an insulating beam. The control protection board 13 is installed and fixed in the board shielding box, and the board shielding box is installed on the transfer branch unit frame 11 through the board mounting frame.
In one embodiment, as shown in fig. 5, the valve module frame 3 includes: the valve module power supply system comprises a valve module power supply system frame 31, a first valve module frame main body 32 and a second valve module frame main body 33, wherein the valve module power supply system frame 31 and the first valve module frame main body 32 or the second valve module frame main body 33 are connected through an insulating beam, and the first valve module frame main body 32 and the second valve module frame main body 33 are connected through a shockproof assembly. In the embodiment of the present invention, as shown in fig. 6, the valve module energy supply system frame 31 includes a valve module energy supply system frame aluminum beam 311 and three valve module energy supply system frame insulating beams 312, the first valve module frame main body 32 includes a first valve module frame main body aluminum beam 321, a first valve module frame main body second aluminum beam 322 and four first valve module frame main body insulating beams 323, the second valve module frame main body 33 includes a second valve module frame main body first aluminum beam 331, a second valve module frame main body second aluminum beam 332 and four second valve module frame main body insulating beams 333, and the insulating beam end and the aluminum beam are fixedly connected. Wherein the valve module energizing system frame 31 is used for mounting a distributed transformer reactor assembly, and the first valve module frame body 32 and the second valve module frame body 33 are used for mounting a multi-stage transfer branch unit. The insulating beam of the valve module frame 3 is a high-strength insulating beam with a C-shaped cross section, the aluminum beam is an aluminum profile with an H-shaped cross section, and two ends of the insulating beam are connected with the metal beam through bolts. In practical application, because the high-voltage direct-current circuit breaker valve tower is high in height, the circuit breaker valve tower is generally required to have certain anti-seismic performance, the valve tower structure is required to be guaranteed not to be damaged under the action of a certain grade earthquake, and meanwhile, the adverse effect that vibration in the transportation process possibly causes the transfer branch valve module is avoided. In order to improve circuit breaker valve tower anti-seismic performance and shift the reliability of branch valve module in the transportation, the embodiment of the utility model provides an in, will shift branch valve module frame main part and divide into two parts, the centre is connected through the vibration isolation device, and the vibration isolation device can effectively reduce the response that shifts branch valve module or valve tower to external excitation (vibration or earthquake etc. in the transportation) production as the inside damping of valve module, and then improves the anti-seismic performance of circuit breaker valve tower and shifts the reliability of branch valve module.
In one embodiment, the anti-rattle assembly includes: damping vibration isolator 34. As shown in fig. 6, in the embodiment of the present invention, the first valve module frame body 32 and the second valve module frame body 33 are connected by a damping vibration isolator 34. The damping vibration isolator is used as the internal damping of the transfer branch valve module, so that the response of the transfer branch valve module or the valve tower to external excitation can be effectively reduced, and the reliability and the anti-seismic performance of the transfer branch valve module in the transportation process can be effectively improved.
In one embodiment, as shown in fig. 7, the valve module busbar 4 includes: a plurality of transfer branch unit busbars 41 and two transfer branch unit aluminum beams 42; the plurality of branch transferring unit busbars are used for connecting the multistage branch transferring units; the aluminum beam is an inlet and outlet line of the transfer branch valve and is used for electrically connecting the plurality of transfer branch valves. General circuit breaker shifts branch valve module and passes through the inside device of frame mount, carries out electrical connection through aluminium matter or copper mother row, the embodiment of the utility model provides an in, use the aluminium roof beam to be used for electrical connection with the aluminium roof beam as valve module owner business turn over line, can effectively reduce valve module weight, and can show and reduce female part quantity of arranging, simplify the electrical connection structure between the valve module.
In one embodiment, as shown in fig. 4, the power electronic switch assembly 12 includes: the diode press-fitting device comprises an IGBT press-fitting unit 121, a diode press-fitting unit 122 and a capacitor 123, wherein the diode press-fitting unit 122 and the capacitor 123, and the diode press-fitting unit 122 and the IGBT press-fitting unit 121 are connected through a laminated busbar 124 to form an H-bridge structure. A press-fitting unit of power electronic devices such as IGBTs and diodes in an existing transfer branch valve module comprises a large number of power electronic devices, and certain difficulty is brought to maintenance work. The embodiment of the utility model provides an in, design the small-size pressure equipment unit of compactification with power electronic device pressure equipment unit and arrange with the form integration of subelement, contain the minimum functional unit among one-level or the multistage figure 8 in the unit. As shown in fig. 8, the transfer branch unit includes a capacitor charging/discharging circuit composed of a capacitor series resistor 125, a capacitor parallel resistor 126, a capacitor 123, and a diode press-fitting unit 122. As shown in fig. 4, the capacitor series resistor 125 is directly mounted on the laminated busbar 124, and the capacitor parallel resistor 126 is directly connected in parallel to the capacitor connection terminal. The capacitor assembly is directly installed on the frame of the transfer branch unit, and 2 capacitors in the same transfer branch unit are fixed on the top of the capacitors through capacitor fixing plates. The IGBT press-fitting unit 121 and the diode press-fitting unit 122 are small component press-fitting units, and a single press-fitting unit contains all the same semiconductor devices of the 2-stage minimum function unit in the transfer branch unit. In addition, the heights of the IGBT press-fitting unit 121, the diode press-fitting unit 122, the capacitor 123, the control protection board 13 and the board energy supply magnetic ring 14 are the same, and in order to enable the transfer branch unit to have a better board electromagnetic environment, the height of the control protection board 13 does not exceed the heights of other devices.
In an embodiment, the distributed power supply unit 2 comprises: a distributed transformer reactor assembly 21 and an energy supply cable 22. The transfer branch valve module that has the circuit breaker at present does not contain distributing type transformer, distributing type reactor and energy supply cable inside, for the amount of labour in whole production, installation maintenance process protect the energy supply cable and the valve tower installation work that significantly reduces better, the embodiment of the utility model provides an in, can install distributing type transformer reactor and energy supply cable in arbitrary one side of valve module frame according to actual demand, figure 9 shows that distributing type transformer reactor and energy supply cable install the valve module structure in valve module one side.
In one embodiment, as shown in fig. 4, a service platform is disposed inside each transfer branch unit and outside the valve tower. The branch road needs the staff to carry the required material of maintenance work, instrument entering valve tower is shifted in the maintenance, for the safety of guaranteeing staff, material, instrument, the embodiment of the utility model provides an in, nearly valve tower outside department sets up maintenance platform 15 in shifting the branch road valve module, provides reliable safe foothold and place the point for maintainer and required material of maintenance work, instrument.
In an embodiment, as shown in fig. 4, according to two factors, namely, the device maintenance frequency is sorted from high to low and the diode press-mounting unit is close to the inner side of the transfer branch unit, the power electronic switch assembly 12, the control protection board 13 and the board energy supply magnetic ring 14 in the multistage transfer branch unit are sequentially installed on the transfer branch unit frame 11 from inside to outside. Because the transfer branch valve module comprises a plurality of parts, and the maintenance frequency and the maintenance mode of different parts are different, the devices in the valve module should be reasonably arranged, so that the parts with high maintenance frequency are easy to maintain. If the power electronic switch assembly 12, the control protection board card 13 and the board card energy supply magnetic ring 14 in the transfer branch valve module are sequentially arranged from outside to inside according to the sequence that the maintenance frequency is gradually reduced, the distance between a part with high maintenance frequency and the maintenance platform is closer, and the arrangement of maintenance work can be more reasonable. Since the inductance of the main loop of the branch circuit is a critical parameter of the circuit breaker, while the circuit breaker requires the inductance of the main loop of the branch circuit to take a small value, and in order to make the main through-current loop of the branch circuit and the diode press-fitting unit 122 substantially identical in position, the diode press-fitting unit 122 should be arranged close to the inside of the valve tower. To sum up, the embodiment of the utility model provides an in, transfer branch road unit outside-in has arranged integrated circuit board energy supply magnetic ring 14, control protection integrated circuit board 13, IGBT pressure equipment unit 121, diode pressure equipment unit 122, electric capacity 123 in proper order, and this kind of arrangement mode can effectively reduce to transfer branch road major loop total inductance under the prerequisite that improves valve module maintainability.
In one embodiment, as shown in fig. 4, the gold finger of the IGBT press-fitting unit 121 is mounted toward the side of the control protection board 13. In order to improve the interference killing feature of IGBT control, the embodiment of the utility model provides an in, the IGBT golden finger is arranged towards control protection integrated circuit board 13 side, and control protection integrated circuit board 13 and IGBT next-door neighbour to the distance of IGBT golden finger to integrated circuit board is extremely short, controls to protect the integrated circuit board and is connected through reliable connector between the IGBT golden finger.
The utility model provides a transfer branch valve modular structure, design power electronics pressure equipment unit for compact small-size pressure equipment unit and with the integrated arrangement of subunit form, make production maintenance work easier, integrated distributed energy supply system in the transfer branch valve module simultaneously, can improve the maintainability of valve module effectively and reduce the work load that the valve tower was built; the aluminum support beam is used as a main inlet and outlet line of the valve module and simultaneously bears the functions of structural support and electrical connection, so that the weight of the valve module can be effectively reduced, the number of bus bar parts can be reduced, and the electrical connection structure between the valve modules is simplified; the main body of the transfer branch valve module frame is divided into two parts, and the two parts are connected through a vibration isolation device, so that the anti-seismic performance of the breaker valve tower and the reliability of the transfer branch valve module are improved; the maintenance platform is arranged in the transfer branch valve module, so that reliable and safe foot placement points and placement points are provided for maintenance personnel and materials and tools required by maintenance work, and the labor amount in the installation work of the valve tower is greatly reduced; the components in the transfer branch valve are reasonably and effectively arranged, so that the distance between the parts with high maintenance frequency and the maintenance platform is shorter, and the maintenance work can be arranged more reasonably; the diode press-mounting unit is arranged close to the inner side of the valve tower, so that the inductance of the whole transfer branch circuit can be effectively reduced; a plurality of transfer branch valve modules are arranged in series in a multilayer mode, and the current breaking requirements of different voltage grades can be met.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. A transfer branch valve modular structure, comprising: a multi-stage transfer branch unit, a distributed energy supply unit, a valve module frame and a valve module bus bar, wherein,
the multi-stage transfer branch units are connected in series through the valve module busbar and are installed on the valve module frame;
the distributed energy supply unit is arranged on one side of the valve module frame and used for supplying electric energy to the multi-stage transfer branch unit.
2. The transfer branch valve modular structure according to claim 1, wherein the multi-stage transfer branch unit comprises: the power electronic switch assembly, the control protection board card and the board card energy supply magnetic ring are arranged on the transfer branch unit frame.
3. The transfer branch valve modular structure of claim 2, wherein the valve module frame comprises: the valve module energy supply system comprises a valve module energy supply system frame, a first valve module frame body and a second valve module frame body, wherein the valve module energy supply system frame is connected with the first valve module frame body or the second valve module frame body through an insulating beam, and the first valve module frame body is connected with the second valve module frame body through a shockproof assembly.
4. The transfer branch valve modular structure of claim 3, wherein the anti-rattle assembly comprises: and a damping vibration isolator.
5. The transfer branch valve modular structure according to claim 2, wherein the valve modular busbar comprises: the plurality of transfer branch unit busbars and the two aluminum beams; the plurality of branch transferring unit busbars are used for connecting the multistage branch transferring units; the aluminum beam is an inlet and outlet line of the transfer branch valve and is used for electrically connecting the plurality of transfer branch valves.
6. The transfer branch valve modular structure according to claim 2, wherein the power electronic switch assembly comprises: the diode press-fitting device comprises an IGBT press-fitting unit, a diode press-fitting unit and a capacitor, wherein the diode press-fitting unit and the capacitor, and the diode press-fitting unit and the IGBT press-fitting unit are connected through a laminated busbar.
7. The transfer branch valve modular structure according to claim 2, wherein the distributed power unit comprises: distributed transformer reactor subassembly and energy supply cable.
8. The transfer branch valve modular structure according to claim 2, wherein an access platform is provided inside each transfer branch unit outside the proximal valve tower.
9. The transfer branch valve module structure according to claim 8, wherein the power electronic switch assembly, the control protection board card and the board card energy supply magnetic ring in the multistage transfer branch unit are sequentially arranged on the transfer branch unit frame from inside to outside according to two factors of the device maintenance frequency from large to small and the diode press-fitting unit approaching to the inner side of the transfer branch valve.
10. The transfer branch valve module structure according to claim 6, wherein the gold finger of the IGBT press-fitting unit is installed toward the side of the control protection board.
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| CN201921608808.2U CN210327010U (en) | 2019-09-25 | 2019-09-25 | Transfer branch valve module structure |
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| CN201921608808.2U CN210327010U (en) | 2019-09-25 | 2019-09-25 | Transfer branch valve module structure |
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| CN210327010U true CN210327010U (en) | 2020-04-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535107A (en) * | 2019-09-25 | 2019-12-03 | 全球能源互联网研究院有限公司 | A kind of transfer bypass valve modular structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535107A (en) * | 2019-09-25 | 2019-12-03 | 全球能源互联网研究院有限公司 | A kind of transfer bypass valve modular structure |
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