CN207588445U - A kind of superhigh voltage DC breaker power electronics bypass valve segment structure - Google Patents
A kind of superhigh voltage DC breaker power electronics bypass valve segment structure Download PDFInfo
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- CN207588445U CN207588445U CN201721812564.0U CN201721812564U CN207588445U CN 207588445 U CN207588445 U CN 207588445U CN 201721812564 U CN201721812564 U CN 201721812564U CN 207588445 U CN207588445 U CN 207588445U
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- bypass valve
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Abstract
The utility model provides a kind of superhigh voltage DC breaker power electronics bypass valve segment structure, including frame assembly and two PP IGBT modules being set in frame assembly, two diode (led) modules, multiple RC buffer loops modules.The utility model is divided definitely by function, and all accessory modules, unit all can independently installed, dismounting, maintenances.When equipment breaks down, problem is facilitated to investigate；It will be integrated with the relevant thin consolidation of valve section, form a unit, entire adjunct unit can not only be replaced when no time check problem source in this way, after also single independent adjunct unit can be unloaded simultaneously, each section is checked one by one, to safeguard and repair brings great convenience, while also saves many times.
Description
Technical field
The utility model is related to super high voltage direct current electricity transmission technical field more particularly to a kind of superhigh voltage DC breaker electric power
Electronics bypass valve segment structure.
Background technology
In recent years, MTDC transmission system is fast-developing, and obtains certain practical application.And dc circuit breaker be must can not
A few link.At present due to there is no the dc circuit breaker of high-current on-off ability in straight-flow system, superhigh voltage DC
The research and development of breaker are one of key technologies for developing DC grid.In superhigh voltage DC breaker, diode press fitting valve section
Modular structure is directly related to the quality of superhigh voltage DC breaker.So R ＆ D design of diode press fitting valve root module structure
It is the important link for being directly related to entire breaker.
Utility model content
To solve the above problems, the utility model provides a kind of superhigh voltage DC breaker power electronics bypass valve section knot
Structure, including frame assembly and two PP-IGBT modules being set in frame assembly, two diode (led) modules, multiple RC bufferings
Return circuit module；
The frame assembly includes two side frames and the crossbeam between two side frames, and the body side frame is by top frame and position
Bottom frame composition under top frame, the crossbeam both ends are respectively fixed on a bottom frame；Top frame is located at medium position on bottom frame top,
Length is shorter than bottom frame；Modules are set in frame；
The PP-IGBT modules include N number of PP-IGBT, 2N PP-IGBT radiator, N+1 insulating part, and wherein N is whole
Number；Each PP-IGBT radiators are evenly distributed in a row, and the PP-IGBT radiators inboard at both ends is provided with insulating part；From
PP-IGBT radiator row one end is arranged at intervals to the other end, PP-IGBT and insulating part；The both ends of PP-IGBT radiators row are respectively set
It puts there are one side guide, and an at least pull rod is provided between two side guides, the pull rod is fixed as with two side guides
One；Top bolt is provided between the adjacent side guide in one end of the PP-IGBT radiators row；
The diode (led) module includes M diode, M+1 diode radiating device, and wherein M is integer；Each diode
Radiator is evenly distributed in a row, the diode radiating device inboard at both ends is provided with diode, remaining each diode dissipates
Hot device both sides are respectively provided with there are one diode, and the both ends of diode radiating device row are each provided with a side guide, and two side pressures
An at least pull rod is provided between plate, the pull rod is fixed as one with two side guides；The diode radiating device row
Top bolt is provided between the adjacent side guide in one end；
Two diode (led) modules are mounted on bottom frame upper end respectively along crossbeam length direction, and are kept away respectively positioned at top frame both ends
Thunder device；Two PP-IGBT modules are arranged side by side along crossbeam length direction between two top frames.
Further, it in entire mechanism, is electrically connected between modules by the busbar that is flexible coupling.
Further, arrester is further included.
Further, arrester is set to along crossbeam length direction by bottom frame.
Further, two arresters are set to two bottom frame both sides respectively along crossbeam length direction.
Further, each RC buffer loops module is set to PP-IGBT modules lower end, is fixed on above crossbeam.
Further, it is arranged with butterfly spring outside the top bolt of PP-IGBT modules and/or diode (led) module.
Further, there are four the insulated tension pole of PP-IGBT modules and/or diode (led) module tools, a cube is surrounded
Region, PP-IGBT modules and/or diode (led) module are located in cubical area.
Further, N 11.
Further, M 22..
Compared with prior art, the beneficial effects of the utility model are：
Structure design is integrated, and all modules, unit, device integrate stacked be arranged in a unit.Structure is tighter
Gather, rationally, it is beautiful.
It is divided definitely by function, all accessory modules, unit all can independently installed, dismounting, maintenances.When equipment occurs
During failure, problem is facilitated to investigate；It will be integrated with the relevant thin consolidation of valve section, and form a unit, it so not only can be
Do not have to replace entire adjunct unit when time check problem source, while single independent adjunct unit can also be unloaded
After lower, each section is checked one by one, to safeguard and repair brings great convenience, while when also saving very much
Between.
Description of the drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the side view of the utility model
Fig. 3 is frame assembly structure chart.
Fig. 4 is PP-IGBT modular structure graphics.
Fig. 5 is PP-IGBT module front views.
Fig. 6 is diode (led) module structure three-dimensional figure.
Fig. 7 is diode (led) module front view.
Fig. 8 is RC buffer loop module diagrams.
In figure：1- frame assemblies, 2-PP-IGBT modules, 3- diode (led) modules, 4- arresters, 5-RC buffer loop modules,
6- is flexible coupling busbar, 7- top frames, 8- bottom frames, 9- crossbeams, 10-PP-IGBT, 11-PP-IGBT radiators, 12- insulating parts, 13- bis-
Pole pipe, 14- diode radiating devices, 15. insulated tension poles, 16- side guides, 17- tops bolt, 18- butterfly springs, 19- capacitances, 20- electricity
Resistance.
Specific embodiment
As shown in Figure 1, 2, superhigh voltage DC breaker power electronics bypass valve segment structure described in the utility model includes frame
Frame component 1 and two PP-IGBT modules, 2, two diode (led) modules 3, the multiple RC buffer loops moulds being set in frame assembly 1
Block 5.It will be noted from fig. 1 that the utility model is integrally symmetric.
Various pieces are illustrated below.
1. frame assembly 1
As shown in figure 3, frame assembly 1 includes two side frames and the crossbeam 9 between two side frames, the side frame is by pushing up
Frame 7 and the bottom frame 8 under top frame 7 form, and 9 both ends of crossbeam are respectively fixed on a bottom frame 8；Top frame 7 is located at bottom frame 8
Medium position on top, length are shorter than bottom frame 8.The effect of frame is for installing modules, it can be seen from the figure that each mould
Block is set in the space that side frame is surrounded with crossbeam 9.
2. PP-IGBT modules 2
As shown in Figure 4,5, the PP-IGBT modules 2 include N number of PP-IGBT 10,2N PP-IGBT radiators 11, N+1
A insulating part 12, wherein N are integer.N is 11 in the present embodiment.
Each PP-IGBT radiators 11 are evenly distributed in a row, are provided with positioned at 11 inboard of PP-IGBT radiators at both ends
Insulating part 12 arranges one end to the other end from PP-IGBT radiators 11, and PP-IGBT is arranged at intervals with insulating part 12.PP-IGBT dissipates
Hot device 11 is not only acted as to 10 cooling effect of PP-IGBT devices, and plays the role of current lead-through.
The both ends that PP-IGBT radiators 11 arrange are each provided with a side guide 16, and be provided between two side guides 16
An at least insulated tension pole 15, the insulated tension pole 15 radiate PP-IGBT for being fixed as one with two side guides 16
The row of device 11 are fixed between two side guides 16.Between the adjacent side guide 16 in one end that the PP-IGBT radiators 11 arrange
Top bolt 17 is provided with, and pushes up and is arranged at least one butterfly spring 18 outside bolt 17（As shown in Figure 4）.Top bolt 17 is connected through a screw thread
On the utility model.When valve root module device needs replacing, the pressure of module entirety can be laid down by adjusting the position of top bolt 17
Power carries out replacement maintenance.When installing again, completed as long as module can be pressed by fastening thread.
In the present embodiment, there are three the tools of butterfly spring 18.Butterfly spring 18 plays the role of ensureing pressure after compressing, it is ensured that
The conductive requirement of PP-IGBT.
Further, four insulated tension poles 15 are preferably provided with, surround a cubical area, PP-IGBT radiators 11 arrange
In cubical area.Insulated tension pole 15 is fixed together by the nut bolt side guide 16 neighbouring with butterfly spring 185.
3. diode (led) module 3
As shown in Figure 6,7, superhigh voltage DC breaker diode 131 described in the utility model is pressed valve root module structure packet
N number of diode 13, N+1 diode radiating device 14 are included, wherein N is integer.Diode 13 has 22 in the present embodiment.
Each diode radiating device 14 is evenly distributed in a row, and 14 inboard of diode radiating device at both ends is provided with one
A diode 13, remaining each 14 both sides of diode radiating device are respectively provided with there are one diode 13.Diode radiating device 14 is not only
Play the role of to 13 device cooling effect of diode, and play current lead-through.
Diode radiating device 14 arrange both ends be each provided with a side guide 16, and be provided between two side guides 16 to
A few insulated tension pole 15, the insulated tension pole 15 with two side guides 16 for being fixed as one, by diode radiating device
14 row are fixed between two side guides 16.It is set between the adjacent side guide 163 in one end that the diode radiating device 14 arranges
Top bolt 17 is equipped with, and pushes up and is arranged with butterfly spring 18 outside bolt 17（As shown in Figure 6）.It is new that top bolt 17 is threadedly attached in this practicality
In type.When valve root module device needs replacing, the pressure of module entirety can be laid down by adjusting the position of top bolt 17, be replaced
It safeguards.When installing again, completed as long as module can be pressed by fastening thread.
In the present embodiment, there are three the tools of butterfly spring 18.Butterfly spring 18 plays the role of ensureing pressure after compressing, it is ensured that
The conductive requirement of diode 13.
On 14 column direction of diode radiating device, in pairs, the installation direction of every group of diode 13 is opposite for diode 13.
Certainly, diode 13 is pressed direction and can be changed according to the circuit of superhigh voltage DC breaker, the installation side of every group of diode 13
To can be identical.
Further, four insulated tension poles 15 are preferably provided with, surround a cubical area, diode radiating device 14 arranges position
In in cubical area.Insulated tension pole 15 is fixed together by the nut bolt side guide 16 neighbouring with butterfly spring 18.
Rest part is illustrated again below.
Each RC buffer loops module 5 is set to 2 lower end of PP-IGBT modules, is fixed on above crossbeam 9.In structure effectively
Space is utilized, structure is compacter.Diode (led) module 3 and RC buffer loops module 5 is placed in parallel.On this spline structure not only
Dismounting can be easily installed, can also reduce the connection distance of copper bar, reduces Material Cost.The units of RC buffer loops shown in Fig. 8 three
Dimension figure, RC buffer loops are made of capacitance 19, resistance 20 and the busbar 6 that is flexible coupling.Wherein capacitance 19, resistance 20 are connected on one
It rises, forms snubber circuit.Capacitance 19, resistance 20, which are fixed on, to be flexible coupling on busbar 6, this connection mode can reduce stray electrical
Sense.
Preferably, the utility model is additionally provided with arrester 4, to ensure the safety of the utility model.Arrester 4 is along horizontal stroke
9 length direction of beam is set to by bottom frame 8, in 3 outside of diode (led) module.Be conducive to replace and safeguard in structure.
Preferably, it in entire mechanism, is electrically connected, can be effectively removed by the busbar 6 that is flexible coupling between modules
The stress installed in structure, the problems such as preventing from deforming caused by stress.
Claims (10)
1. a kind of superhigh voltage DC breaker power electronics bypass valve segment structure, which is characterized in that including frame assembly and setting
In two PP-IGBT modules, two diode (led) modules, multiple RC buffer loops modules in frame assembly；
The frame assembly includes two side frames and the crossbeam between two side frames, and the body side frame is by top frame and positioned at top
Bottom frame composition under frame, the crossbeam both ends are respectively fixed on a bottom frame；Top frame is located at medium position on bottom frame top, length
It is shorter than bottom frame；Modules are set in frame；
The PP-IGBT modules include N number of PP-IGBT, 2N PP-IGBT radiator, N+1 insulating part, and wherein N is integer；
Each PP-IGBT radiators are evenly distributed in a row, and the PP-IGBT radiators inboard at both ends is provided with insulating part；From PP-
IGBT radiator row one end is arranged at intervals to the other end, PP-IGBT and insulating part；The both ends of PP-IGBT radiators row are respectively set
There are one side guide, and an at least pull rod is provided between two side guides, the pull rod and two side guides are fixed as one
Body；Top bolt is provided between the adjacent side guide in one end of the PP-IGBT radiators row；
The diode (led) module includes M diode, M+1 diode radiating device, and wherein M is integer；Each diode radiating
Device is evenly distributed in a row, the diode radiating device inboard at both ends is provided with diode, remaining each diode radiating device
Both sides are respectively provided with there are one diode, and the both ends of diode radiating device row are each provided with a side guide, and two side guides it
Between be provided with an at least pull rod, the pull rod is fixed as one with two side guides；One end of the diode radiating device row
Top bolt is provided between adjacent side guide；
Two diode (led) modules are mounted on bottom frame upper end respectively along crossbeam length direction, and take shelter from the thunder respectively positioned at top frame both ends
Device；Two PP-IGBT modules are arranged side by side along crossbeam length direction between two top frames.
2. superhigh voltage DC breaker power electronics bypass valve segment structure as described in claim 1, which is characterized in that entire machine
In structure, it is electrically connected between modules by the busbar that is flexible coupling.
3. superhigh voltage DC breaker power electronics bypass valve segment structure as described in claim 1, which is characterized in that further include
Arrester.
4. superhigh voltage DC breaker power electronics bypass valve segment structure as claimed in claim 3, which is characterized in that arrester
It is set to by bottom frame along crossbeam length direction.
5. superhigh voltage DC breaker power electronics bypass valve segment structure as claimed in claim 4, which is characterized in that two are kept away
Thunder device is set to two bottom frame both sides respectively along crossbeam length direction.
6. superhigh voltage DC breaker power electronics bypass valve segment structure as described in claim 1, which is characterized in that each RC
Buffer loop module is set to PP-IGBT modules lower end, is fixed on above crossbeam.
7. superhigh voltage DC breaker power electronics bypass valve segment structure as described in claim 1, which is characterized in that PP-
Butterfly spring is arranged with outside the top bolt of IGBT module and/or diode (led) module.
8. superhigh voltage DC breaker power electronics bypass valve segment structure as described in claim 1, which is characterized in that PP-
There are four the insulated tension pole of IGBT module and/or diode (led) module tools, surrounds a cubical area, PP-IGBT modules and/or
Diode (led) module is located in cubical area.
9. superhigh voltage DC breaker power electronics bypass valve segment structure as described in claim 1, which is characterized in that N 11.
10. superhigh voltage DC breaker power electronics bypass valve segment structure as described in claim 1, which is characterized in that M is
22。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721812564.0U CN207588445U (en) | 2017-12-22 | 2017-12-22 | A kind of superhigh voltage DC breaker power electronics bypass valve segment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721812564.0U CN207588445U (en) | 2017-12-22 | 2017-12-22 | A kind of superhigh voltage DC breaker power electronics bypass valve segment structure |
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| Publication Number | Publication Date |
|---|---|
| CN207588445U true CN207588445U (en) | 2018-07-06 |
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ID=62739490
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721812564.0U Active CN207588445U (en) | 2017-12-22 | 2017-12-22 | A kind of superhigh voltage DC breaker power electronics bypass valve segment structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947137A (en) * | 2017-12-22 | 2018-04-20 | 清华四川能源互联网研究院 | A kind of superhigh voltage DC breaker power electronics bypass valve segment structure |
| CN113488347A (en) * | 2021-07-30 | 2021-10-08 | 北京电力设备总厂有限公司 | Power electronic switch group of direct current breaker |
-
2017
- 2017-12-22 CN CN201721812564.0U patent/CN207588445U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947137A (en) * | 2017-12-22 | 2018-04-20 | 清华四川能源互联网研究院 | A kind of superhigh voltage DC breaker power electronics bypass valve segment structure |
| CN107947137B (en) * | 2017-12-22 | 2023-08-15 | 清华四川能源互联网研究院 | Power electronic branch circuit valve section structure of ultrahigh voltage direct current breaker |
| CN113488347A (en) * | 2021-07-30 | 2021-10-08 | 北京电力设备总厂有限公司 | Power electronic switch group of direct current breaker |
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