CN202120893U - A cooling system of a valve tower of a modularized and multi-level voltage-source converter - Google Patents
A cooling system of a valve tower of a modularized and multi-level voltage-source converter Download PDFInfo
- Publication number
- CN202120893U CN202120893U CN2011201461172U CN201120146117U CN202120893U CN 202120893 U CN202120893 U CN 202120893U CN 2011201461172 U CN2011201461172 U CN 2011201461172U CN 201120146117 U CN201120146117 U CN 201120146117U CN 202120893 U CN202120893 U CN 202120893U
- Authority
- CN
- China
- Prior art keywords
- valve tower
- cooling
- cooling system
- valve
- source converter
- 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.)
- Expired - Lifetime
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 45
- 239000000498 cooling water Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 241000242583 Scyphozoa Species 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 5
- 239000008358 core component Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
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- Rectifiers (AREA)
Abstract
The utility model relates to a cooling system of a valve tower of a modularized and multi-level voltage-source converter. A cooling water header pipeline of a valve unit connects with cooling water branch pipelines and the cooling water branch pipelines are in a parallel connection. In the cooling system, an arrangement of valve tower pipelines in parallel structure is adopted. Thus, the cooling effect of units in each layer is the same, thereby facilitating the design and installation of the cooling system of the valve tower of the modularized and multi-level voltage-source converter in the utility model.
Description
Technical field
The utility model relates to cooling system, specifically, relates to the cooling system of converter valve tower.
Background technology
The core component IGBT of voltage source converter, bigger in the caloric value of circulation during big electric current, only depend on the natural heat dissipation of cooler to be difficult to satisfy job requirement, the way that generally adopts the forced circulation water-cooled is cooled off the cooler of IGBT.
For independent or a spot of IGBT; The layout of cooling system can satisfy need of work, the 2. arrangement convenience of pipeline as long as 1. consider cooling effect; Valve tower for being made up of multilayer module unit (valve module) not only will satisfy above-mentioned two requirements, also will consider to make each layer modular unit have identical cooling effect; Avoid interacting between each layer, and Design of Cooling System, manufacturing and installation are along with the expansion of valve tower also should be easy to expansion.
In the power electronics practical applications; Adopt multilevel converter; Can utilize the produced independent basically change of current modules of several power devices by the low-voltage grade (submodule), constitute bigger modular unit, this modular unit has more voltage levels and more powerful change of current function.When electric pressure and the further raising of transducing power needs, can constitute a converter valve tower of forming by the multilayer module unit through modular unit is carried out spatial spread.
The core component of voltage source converter is IGBT, generally adopts the way of recirculated water cooling to control temperature rise to its cooler.Each independent basically change of current module (submodule) all includes IGBT, and each layer modular unit includes the experimental process module, and the Design of Cooling System of valve tower will satisfy the cooling requirement of each layer modular unit.
The utility model content
The purpose of the utility model is; Above-mentioned defective to the prior art existence; A kind of cooling system of modular multilevel voltage source converter valve tower is provided; This system adopts the valve tower cooler system pipeline arrangement form of parallel-connection structure, guarantees that the cooling effect of each layer modular unit is consistent, conveniently designs and installs.
The utility model has adopted following technical proposals:
The cooling system of a kind of modular multilevel voltage source converter valve tower that the utility model provides, its improvements are that the cooling jellyfish pipe pipeline of valve module is connected with the cooling water main pipeline of valve tower, and adopt parallel way to connect between cooling jellyfish pipe pipeline.
The first preferred cooling system of planting modular multilevel voltage source converter valve tower that the utility model provides; The cooling jellyfish pipe pipeline of said valve module comprises the female pipe of water supply, backwater of valve module, and the cooling water main pipeline of said valve tower comprises water supply, the backwater main of valve tower.
The second preferred cooling system of planting modular multilevel voltage source converter valve tower that the utility model provides, the water supply of valve module, the female pipe of backwater is corresponding respectively is connected with water supply, the backwater main of valve tower.
The water supply of each layer valve module, the female pipe of backwater be water supply, the backwater main of cut-in valve tower respectively, and the cooling line of each layer valve module is the parallel connection relation each other.
Compared with prior art, the cooling system of a kind of modular multilevel voltage source converter valve tower of providing of the utility model has the following advantages:
1, guarantees that the cooling effect of each layer valve module is identical;
2, convenient design and manufacturing are easy to expansion;
3, according to the expansion needs of valve tower, cooling system is along with the change of the three-dimensional dimension of valve tower can be adjusted easily.
4, under the situation that the submodule quantity in each layer valve module is identical, cooling water temperature, pressure, the flow velocity that gets into the female pipe of each layer water supply all is intimate identical, and the cooling effect of each layer valve module also near identical, is independent of each other.
Description of drawings
Fig. 1 is: the cooling system structure sketch map of a kind of modular multilevel voltage source converter valve tower that the utility model provides, wherein figure (a) cooling system front view, figure (b) be the vertical view of cooling system, figure (c) be the left view of cooling system.
Among the figure: the female pipe of the water supply of 1-1, valve module; The female pipe of the backwater of 1-2, valve module; 2, the backwater main of valve tower; 3, the water main of valve tower.
Embodiment
Below the cooling system of a kind of modular multilevel voltage source converter valve tower of the utility model being provided through accompanying drawing and embodiment do further more detailed explanation.
Embodiment 1
The cooling system of the modular multilevel voltage source converter valve tower of present embodiment, shown in accompanying drawing 1, the cooling jellyfish of valve module pipe pipeline is connected with the cooling water main pipeline of valve tower, and adopts parallel way to connect between cooling jellyfish pipe pipeline.
The cooling jellyfish pipe pipeline of valve module comprises water supply, the backwater mother pipe of valve module, and the cooling water main pipeline of said valve tower comprises water supply, the backwater main of valve tower, and the water supply of valve module, the female pipe of backwater correspondence respectively are connected with water supply, the backwater main of valve tower.
Be water supply, the backwater main of the female pipe difference of water supply, the backwater cut-in valve tower of each layer valve module; The cooling line of each layer valve module is the parallel connection relation each other; Under the identical situation of submodule quantity in each layer valve module; Cooling water temperature, pressure, the flow velocity that gets into the female pipe of each layer water supply all is intimate identical, and the cooling effect of each layer valve module also near identical, is independent of each other.
Should be noted that at last: above embodiment only in order to the explanation the utility model technical scheme but not to its restriction; Although the utility model has been carried out detailed explanation with reference to the foregoing description; Under the those of ordinary skill in field be to be understood that: the technical staff reads after the present specification still and can make amendment or be equal to replacement the embodiment of the utility model, but these modifications or change all do not break away within the claim protection range that the utility model application awaits the reply.
Claims (3)
1. the cooling system of a modular multilevel voltage source converter valve tower is characterized in that the cooling jellyfish pipe pipeline of valve module is connected with the cooling water main pipeline of valve tower, and adopts parallel way to connect between cooling jellyfish pipe pipeline.
2. the cooling system of modular multilevel voltage source converter valve tower according to claim 1; The cooling jellyfish pipe pipeline that it is characterized in that said valve module comprises that the water supply of valve module, backwater mother manage, and the cooling water main pipeline of said valve tower comprises water supply, the backwater main of valve tower.
3. the cooling system of modular multilevel voltage source converter valve tower according to claim 2 is characterized in that the female pipe difference of water supply, the backwater correspondence of valve module is connected with water supply, the backwater main of valve tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201461172U CN202120893U (en) | 2011-05-10 | 2011-05-10 | A cooling system of a valve tower of a modularized and multi-level voltage-source converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201461172U CN202120893U (en) | 2011-05-10 | 2011-05-10 | A cooling system of a valve tower of a modularized and multi-level voltage-source converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202120893U true CN202120893U (en) | 2012-01-18 |
Family
ID=45461934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201461172U Expired - Lifetime CN202120893U (en) | 2011-05-10 | 2011-05-10 | A cooling system of a valve tower of a modularized and multi-level voltage-source converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202120893U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852603A (en) * | 2014-02-18 | 2015-08-19 | 国家电网公司 | Multi-link-tower structure modularized multi-level voltage source current converter |
| CN107180149A (en) * | 2017-07-18 | 2017-09-19 | 国家电网公司 | A kind of low noise intercepting sewer design method of ultra-high voltage converter station valve tower cooler system |
-
2011
- 2011-05-10 CN CN2011201461172U patent/CN202120893U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852603A (en) * | 2014-02-18 | 2015-08-19 | 国家电网公司 | Multi-link-tower structure modularized multi-level voltage source current converter |
| CN107180149A (en) * | 2017-07-18 | 2017-09-19 | 国家电网公司 | A kind of low noise intercepting sewer design method of ultra-high voltage converter station valve tower cooler system |
| CN107180149B (en) * | 2017-07-18 | 2020-06-02 | 国家电网公司 | Low-noise shutoff pipe design method for extra-high voltage converter station valve tower cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140321 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140321 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140321 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee before: China Electric Power Research Institute |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |
|
| CX01 | Expiry of patent term |