CN103745975B - A kind of thyristor press-assembling structure in modularization multi-level converter power model - Google Patents
A kind of thyristor press-assembling structure in modularization multi-level converter power model Download PDFInfo
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- CN103745975B CN103745975B CN201310491865.8A CN201310491865A CN103745975B CN 103745975 B CN103745975 B CN 103745975B CN 201310491865 A CN201310491865 A CN 201310491865A CN 103745975 B CN103745975 B CN 103745975B
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- igct
- dispersion plate
- pressure dispersion
- collets
- busbar
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Abstract
The present invention discloses the thyristor press-assembling structure in a kind of modularization multi-level converter power model, including two pieces of pressure dispersion plate, two pieces of pressure dispersion plate connect the support frame of composition press mounting structure by bolt pair, IGCT anode-side and cathode side are respectively arranged with positive busbar and negative busbar, are provided with the IGCT both sides of positive busbar and negative busbar and are respectively provided with collets and are placed between two pieces of pressure dispersion plate and grip；Pressure dispersion plate uses pair of nut top swaging formula fixed insulation block, positive busbar, negative busbar and IGCT, press mounting structure is simple, easy installation and removal, IGCT uniform force, described collets are loaded on anode-side and the cathode side of IGCT respectively, easily keep consistent with the axle center of IGCT, thus ensure that the uniformity of IGCT crimp force.
Description
Technical field
The invention belongs to Technology of HVDC based Voltage Source Converter field, relate to a kind of modular multilevel change of current
The internal structure of device power model, is specifically related to a kind of modularization multi-level converter power model
Interior thyristor press-assembling structure.
Background technology
Increasingly serious along with the problem such as energy scarcity and environmental pollution, China by Devoting Major Efforts To Developing and
Utilize renewable and clean energy resource, Optimization of Energy Structure.But, along with wind energy, solar energy etc. can
The continuous expansion of utilization of regenerative energy scale, its intrinsic dispersibility, compactness, away from load
The features such as center so that use UHV AC transmission technique or the networking of traditional HVDC Transmission Technology to seem
The most uneconomical.The passive load such as marine drilling platform, isolated island, uses costliness at present simultaneously
Local TRT, the most uneconomical, pollute again environment.It addition, electricity need load is fast
Fast increase, needs constantly to expand the capacity of electrical network, but in view of urban population expansion is reasonable with city
Planning, on the one hand requires to utilize limited line corridor to carry more electric energy, on the other hand wants
Substantial amounts of power distribution network is asked to go underground.Therefore, in the urgent need to using more flexible, economy, ring
The power transmission mode protected solves problem above.
Based on voltage source converter (voltage source converter, VSC) flexible straight
Stream transmission system, due to its economical, flexible, high-quality, the power transmission mode of high controllability, can
Incoming transport electrical network in the way of the decentralized power s that these are small-sized is by economy, environmental protection, is state
The focus of inside and outside research.The modular construction of modularization multi-level converter has extensibility
By force, easily realize the features such as Redundant Control, be therefore very suitable for flexible direct current power transmission system.
Wherein IGCT is important vent diverter during power model generation overcurrent fault, therefore brilliant lock
Pipe press mounting structure is a critical component of assurance module multilevel converter reliability service.
The existing patented technology about thyristor press-assembling structure has:
Authorization Notice No. is CN201549484U, authorized announcement date is 2010.08.11, send out
The invention of bright entitled " a kind of thyristor press mounting device ", disclosed technical scheme is: a kind of
For the IGCT fluid pressure type press-loading apparatus of DC converter valve, fix including hydraulic means and centering
Device.The hydraulic system pressure that this device utilizes controls accurate, easily operated, uses modularity
Design, delicate structure, it is simple to mobile and operation.
Authorization Notice No. is CN102136468B, authorized announcement date is 2012.07.11, send out
The invention of bright entitled " thyristor valve section and compression bonding method thereof ", disclosed technical scheme is:
A kind of compression bonding method of the valve group for including water-filled radiator and IGCT composition；The method is protected
The uniformity of card IGCT crimp force, improves the reliability and stability of system crimping.
Authorization Notice No. is CN101950724B, authorized announcement date is 2013.07.03, send out
The invention of bright entitled " a kind of thyristor pressing mechanism for direct current power transmission converter valve ", disclosed
Technical scheme is: a kind of IGCT press-loading device for direct-current transmission converter valve, and this mechanism makes
IGCT pressure distribution is uniform, Stress control is accurate, easily operated, be easy to maintenance, can be effective
Ensure IGCT pressure requirements, meet IGCT longtime running stability and reliability requirement, and
Simple to operate efficiently.
Although above-mentioned patent is all the technology of pressure mounting about IGCT, but it is all with multiple brilliant locks
Pipe cascaded structure press-fit consideration, further comprises water-filled radiator simultaneously, its mechanism is the most more
Complexity, cost is the highest.In view of problem above, it is necessary to provide a kind of suitable modulesization how electric
The single IGCT technology of pressure mounting of flat converter power inside modules.
Summary of the invention
Present invention aim at providing a kind of compact conformation, IGCT uniform force, installation and repairing
Thyristor press-assembling structure in modularization multi-level converter power model easily.
The present invention uses following scheme for achieving the above object:
Thyristor press-assembling structure in a kind of modularization multi-level converter power model, including two
Block pressure dispersion plate, two pieces of pressure dispersion plate connect the support of composition press mounting structure by bolt pair
Framework, IGCT anode-side and cathode side are respectively arranged with positive busbar and negative busbar, are just provided with
The IGCT both sides of busbar and negative busbar are respectively provided with collets and are placed on two pieces of pressure dispersion plate
Between grip.
Being respectively arranged with jackscrew between described IGCT and both sides collets, described jackscrew passes
Positive and negative busbar is arranged between collets and the center of circle of IGCT.
The side of described collets contact pressure dispersion plate is provided with the center small column of projection, two pressures
Power dispersion plate relevant position is provided with center hole, and the center small column of collets inserts pressure dissipation
In the center hole of plate, described collets, positive busbar, IGCT, negative busbar, pressure dissipation
Plate concentric is placed.
Described bolt pair is made up of outer-hexagonal bolt and ball faced hexagonal nut.
It is mounted on disk spring between described outer-hexagonal bolt two ends and two pieces of pressure dispersion plate.
It is set with insulated sleeve on described outer-hexagonal bolt.
Compared with prior art, the beneficial effect comprise that
1. the pressure dispersion plate of the present invention uses pair of nut top swaging formula fixed insulation block, just mother
Row, negative busbar and IGCT, press mounting structure is simple, and easy installation and removal, IGCT stress is equal
Even.
2. collets described in are loaded on anode-side and the cathode side of IGCT respectively, with IGCT
Axle center easily keeps consistent, thus ensure that the uniformity of IGCT crimp force.
Further, disk spring is used for adjusting the size and Orientation of IGCT pressure assembling force, low cost
Honest and clean, simple to operate, easy to maintenance, press mounting structure is safe and reliable, stable performance,；And press-fit
Structure, reasonable in design, with low cost.
Further, described collets, positive busbar, IGCT, negative busbar, pressure dispersion plate are together
Axle center is placed, tapping at the home position of collets contact IGCT side, then is equipped with described top
Silk, always consistent with the center of circle of described IGCT to ensure the center of circle of collets.
Accompanying drawing explanation
Fig. 1 is the front view of thyristor press-assembling structure；
Fig. 2 is the right view of thyristor press-assembling structure；
Fig. 3 is the top view of thyristor press-assembling structure；
Fig. 4 is the 3-D view of thyristor press-assembling structure；
Fig. 5 is the explosive view of thyristor press-assembling structure；
Reference:
1-collets, 2-pressure dispersion plate, 3-IGCT, 4-insulated sleeve, 5-disk spring,
6-outer-hexagonal bolt, 7-ball faced hexagonal nut, 8-jackscrew, 9-busbar.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in detail.
The thyristor press-assembling structure of the present invention, its front view is as it is shown in figure 1, right view such as Fig. 2
Shown in, top view as it is shown on figure 3,3-D view as shown in Figure 4, explosive view such as Fig. 5
Shown in.Pressure dispersion plate 2 uses Steel material, its effect be fixed insulation block 1, positive busbar 9,
IGCT 3, negative busbar 9, described collets 1, positive busbar 9, IGCT 3, negative busbar 9
Concentric is put, and pressure dispersion plate 2 is by two symmetrical outer-hexagonal bolts 6, disk springs
5 and ball faced hexagonal nut 7 IGCT 3 is applied pressure, to meet IGCT 3 pressure assembling force
Requirement, outer-hexagonal bolt 6 is set with insulated sleeve 4.
The positive and negative busbar 9 of press mounting structure lays respectively at anode-side and the cathode side of IGCT 3,
The purpose of this structure design is so that press mounting structure is easy to connect with the main circuit of power model；
Collets 1 are set between IGCT 3 and pressure dispersion plate 2 and do insulation processing；Outer-hexagonal spiral shell
The disk spring 5 at bolt 6 two ends is for adjusting the size of IGCT 3 pressure assembling force.
Tapping at collets 1 home position by IGCT side, be equipped with jackscrew 8 through just or
Negative busbar center, inserts the center of circle of IGCT 3, to ensure the center of circle of collets 1 and described crystalline substance
The center of circle of brake tube 3 is always consistent；The center of collets 1 depended on pressure dispersion plate side projection is little
Cylinder inserts the center hole of pressure dispersion plate 2, to ensure that the center of circle of collets 1 is divided with pressure
Fall apart 2 center always consistent, accompanying drawing 5 illustrate pressure dispersion plate 2, collets 1,
Plus or minus busbar 9, jackscrew 8, the center of IGCT 3 keep point-blank.
The press mounting structure of the present invention is compact, reasonable in design, and shaft core position controls simply, is prone to behaviour
Make, be easy to safeguard, IGCT longtime running stability and reliability requirement and cost can be met
Cheap.
Finally should be noted that: combine above-described embodiment technical scheme is only described and
Non-to its restriction.Those of ordinary skill in the field are to be understood that: those skilled in the art
The detailed description of the invention of the present invention can be modified or equivalent, but these amendment or
Change is all among the claims that application is awaited the reply.
Claims (5)
1. the thyristor press-assembling structure in modularization multi-level converter power model, its
It is characterised by: include that two pieces of pressure dispersion plate (2), two pieces of pressure dispersion plate (2) pass through spiral shell
Bolt pair connects the support frame of composition press mounting structure, and IGCT (3) anode-side and cathode side divide
It is not provided with positive busbar and negative busbar, is provided with the IGCT (3) two of positive busbar and negative busbar
Side is respectively provided with collets (1) and is placed between two pieces of pressure dispersion plate (2) and grips；
Jackscrew (8) it is respectively arranged with between described IGCT (3) and both sides collets (1),
Described jackscrew (8) is arranged at collets (1) and IGCT (3) through positive and negative busbar
Between the center of circle.
2. thyristor press-assembling structure as claimed in claim 1, it is characterised in that: described absolutely
The side of edge block (1) contact pressure dispersion plate (2) is provided with the center small column of projection, two pressures
Power dispersion plate (2) relevant position is provided with center hole, and the center small column of collets (1) is inserted
Enter in the center hole of pressure dispersion plate (2), described collets (1), positive busbar, brilliant lock
Pipe (3), negative busbar, pressure dispersion plate (2) concentric are placed.
3. thyristor press-assembling structure as claimed in claim 2, it is characterised in that: described spiral shell
Bolt pair is made up of outer-hexagonal bolt (6) and ball faced hexagonal nut (7).
4. thyristor press-assembling structure as claimed in claim 3, it is characterised in that: outside described
It is mounted on disk spring between hex bolts (6) two ends and two pieces of pressure dispersion plate (2).
5. thyristor press-assembling structure as claimed in claim 4, it is characterised in that: outside described
Insulated sleeve (4) it is set with on hex bolts (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310491865.8A CN103745975B (en) | 2013-10-18 | 2013-10-18 | A kind of thyristor press-assembling structure in modularization multi-level converter power model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310491865.8A CN103745975B (en) | 2013-10-18 | 2013-10-18 | A kind of thyristor press-assembling structure in modularization multi-level converter power model |
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| Publication Number | Publication Date |
|---|---|
| CN103745975A CN103745975A (en) | 2014-04-23 |
| CN103745975B true CN103745975B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310491865.8A Active CN103745975B (en) | 2013-10-18 | 2013-10-18 | A kind of thyristor press-assembling structure in modularization multi-level converter power model |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11488927B2 (en) | 2021-02-18 | 2022-11-01 | Abb Schweiz Ag | Press-pack semiconductor fixtures |
| CN113809025A (en) * | 2021-08-13 | 2021-12-17 | 国电南瑞科技股份有限公司 | Radiator, thyristor group string module and crimping method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2475138Y (en) * | 2001-03-22 | 2002-01-30 | 新渠热传导技术应用开发(大连)有限公司 | Air-cooled flat-type inorganic heat trasfer radiator |
| CN2475139Y (en) * | 2001-03-30 | 2002-01-30 | 新渠热传导技术应用开发(大连)有限公司 | Heat-pipe radiator |
| CN102290405A (en) * | 2011-08-08 | 2011-12-21 | 中国电力科学研究院 | Thyristor press mounting structure for modular multi-electrical-level voltage source current converter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3462709B2 (en) * | 1997-05-06 | 2003-11-05 | 株式会社日立製作所 | Flat semiconductor stack for power converter |
| BR112014005674A2 (en) * | 2011-09-28 | 2017-03-28 | Gen Electric | power converter, nominal force pre-assembly, methods for calibrating a nominal force pre-assembly and for applying a nominal force |
-
2013
- 2013-10-18 CN CN201310491865.8A patent/CN103745975B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2475138Y (en) * | 2001-03-22 | 2002-01-30 | 新渠热传导技术应用开发(大连)有限公司 | Air-cooled flat-type inorganic heat trasfer radiator |
| CN2475139Y (en) * | 2001-03-30 | 2002-01-30 | 新渠热传导技术应用开发(大连)有限公司 | Heat-pipe radiator |
| CN102290405A (en) * | 2011-08-08 | 2011-12-21 | 中国电力科学研究院 | Thyristor press mounting structure for modular multi-electrical-level voltage source current converter |
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| Publication number | Publication date |
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| CN103745975A (en) | 2014-04-23 |
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