CN203691212U - Modular multilevel voltage source converter valve hall - Google Patents
Modular multilevel voltage source converter valve hall Download PDFInfo
- Publication number
- CN203691212U CN203691212U CN201420003885.6U CN201420003885U CN203691212U CN 203691212 U CN203691212 U CN 203691212U CN 201420003885 U CN201420003885 U CN 201420003885U CN 203691212 U CN203691212 U CN 203691212U
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- Prior art keywords
- valve
- tower
- voltage source
- gold utensil
- room
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 19
- 239000010931 gold Substances 0.000 claims description 19
- 229910052737 gold Inorganic materials 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000005684 electric field Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model relates to a modular multilevel voltage source converter and particularly relates to the main loop design of a modular multilevel voltage source converter valve hall. The valve hall comprises a main loop which comprises a voltage equalizing ring which is taken as a flow passage loop and is installed at the top of a valve tower and a fitting installed at the bottom of the valve tower. The fitting is connected with a busbar of a valve module in the valve tower and is in a range enclosed by a valve tower shielding cover. The voltage equalizing ring at the top of a valve tower is taken as the flow passage loop to play a role of voltage equalization, more importantly the busbar connection difficulty is greatly simplified, and the valuable floor space is saved.
Description
Technical field
The utility model relates to modular multi-electrical-level voltage source current converter, is specifically related to the main loop design in a kind of modular multi-electrical-level voltage source current converter valve Room.
Background technology
High-voltage direct-current technology of transmission of electricity based on voltage source converter, be characterized in the voltage source converter that adopts full control power electronic device to form, get with the voltage source converter based on half control type thyristor device in conventional direct current transportation, extensively adopt at present modular multilevel technology.
Modular multilevel technology is exactly to be that submodule carries out cascade and meets actual electric pressure by multiple basic functional units, along with the raising of electric pressure, needs the submodule quantity of series connection to roll up.At present, adopt tower structure, become a valve tower by several valve module series connection, then between valve tower and valve tower, carry out again cascade.
At present, the inner cabling of valve tower is all to adopt spiral escalation mode, and the grading ring of valve top of tower is only used for uniform electric field.There is the defect of following several respects in this cabling mode:
(1) because the wiring of valve tower internal main loop adopts spiral escalation mode, valve tower bottom inlet wire and cabling on cable rack will be in the same sides of valve tower.In the time need to connecting multiple valve tower because system voltage grade is high, the connection between 2 valve towers will be comparatively loaded down with trivial details, and connection bus need to stride across a valve tower, and this just need to consider the Insulation Problems between bus and valve tower, will increase space and take up an area.
(2) simultaneously, because bus need to stride across valve tower, this will consider the support problem of bus, bring the expense of extra support device.
Utility model content
For the deficiencies in the prior art, the utility model provides the main loop design in a kind of modular multi-electrical-level voltage source current converter valve Room, the utility model is using valve top of tower grading ring as through-flow loop, both played the effect of all pressing, the more important thing is that greatly simplifying busbar connects difficulty, has saved valuable occupation of land space.
The purpose of this utility model is to adopt following technical proposals to realize:
The utility model provides a kind of modular multi-electrical-level voltage source current converter valve Room, described modularization multi-level converter is arranged in the valve Room, modularization multi-level converter adopts tower structure, described tower structure is made up of the valve tower of cascade, each valve tower comprises successively vertically setting, and the valve module of connecting by busbar, its improvements are, the described valve Room comprises major loop, described major loop comprises as through-flow loop and is arranged on the grading ring of valve top of tower and is arranged on the gold utensil of valve tower bottom, and described gold utensil is connected with the busbar of valve module in valve tower, and within the scope of the encirclement of valve tower radome.
Preferably, valve tower radome is installed around valve module, for uniform electric field.
Preferably, described gold utensil comprises bottom incoming gold utensil and cabling on cable rack gold utensil; First valve module busbar of described bottom incoming gold utensil and valve tower bottom is connected, and within the scope of the encirclement of valve tower radome;
Described cabling on cable rack installation is at valve top of tower, and adopts bolt to be fixedly connected with between cabling on cable rack gold utensil and the grading ring of valve top of tower.
Preferably, the valve tower of multiple cascades connects by strutting piece between any two, between the strutting piece of each valve tower left and right sides, is provided with the brace with adjustable length.
Preferably, the water-cooled pipeline that is mated use is all set, for the heat radiation of converter on the valve module of connecting by busbar vertically arranging successively; Described valve module is made up of the submodule of cascade, and described submodule comprises insulated gate bipolar translator power tube IGBT1 and IGBT2, thyristor V, storage capacitor C, vacuum switch, resistance R 1 and resistance R 2; Described resistance R 1 and resistance R 2 are connected, composition R1-R2 branch road; Described vacuum switch, thyristor V and IGBT2 are in parallel successively; The emitter that described IGBT1 is up-down structure and IGBT1 with IGBT2 is connected the collector electrode of IGBT2; Described IGBT1, R1-R2 branch road and storage capacitor C are in parallel successively.
Compared with the prior art, the beneficial effect that the utility model reaches is:
(1) the grading ring double through-flow loop of electric current of doing in top is used, and makes the not homonymy of 2 external interfaces of valve tower in valve tower, has brought convenience to like this connection between valve tower, has greatly saved occupation of land space simultaneously; The utility model, using valve top of tower radome as through-flow loop, had both played the effect of all pressing, and the more important thing is that greatly simplifying busbar connects difficulty, has saved valuable occupation of land space.
(2) two equal fittings of external interface, externally easy to connect.
Accompanying drawing explanation
Fig. 1 is the valve tower front view that the utility model provides;
Fig. 2 is the valve tower rearview that the utility model provides;
Fig. 3 is the valve tower vertical view that the utility model provides;
Wherein: 1. bottom incoming gold utensil; 2. valve tower radome; 3. cabling on cable rack gold utensil; 4. the grading ring of valve top of tower; 5. valve module.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
For solution valve Room major loop layout is loaded down with trivial details and problem is taken up an area in space, the utility model proposes following proposal:
Valve tower bottom fitting is connected with valve module busbar, and within the scope of the encirclement of valve tower radome, and do not need to design radome, gold utensil is all pressed.And valve top of tower grading ring flows through primary current, concrete mode is: last valve module outgoing line busbar of valve top of tower is directly connected with valve top of tower grading ring; At the other end fitting of the grading ring of valve top of tower, as the leading-out terminal of valve top of tower.Whole like this valve tower will be at the not homonymy of valve tower into and out of line, this mode has been brought convenience to the connection between valve tower.Meanwhile, the grading ring double through-flow loop of primary current of doing in top is used, and has saved bus and has supported cost.Valve tower radome is installed around valve module, for equal piezoelectric field.
The valve tower of multiple cascades connects by strutting piece between any two, between the strutting piece of each valve tower left and right sides, is provided with the brace with adjustable length.The water-cooled pipeline that is mated use is all set, for the heat radiation of converter on the valve module of connecting by busbar vertically arranging successively; Described valve module is made up of the submodule of cascade, and described submodule comprises insulated gate bipolar translator power tube IGBT1 and IGBT2, thyristor V, storage capacitor C, vacuum switch, resistance R 1 and resistance R 2; Described resistance R 1 and resistance R 2 are connected, composition R1-R2 branch road; Described vacuum switch, thyristor V and IGBT2 are in parallel successively; The emitter that described IGBT1 is up-down structure and IGBT1 with IGBT2 is connected the collector electrode of IGBT2; Described IGBT1, R1-R2 branch road and storage capacitor C are in parallel successively.
As Fig. 1, first basic valve module 5 busbars of bottom incoming gold utensil 1 and valve tower bottom are directly connected, and 1 within the scope of 2 encirclements of valve tower radome simultaneously.As shown in Figures 2 and 3, valve top of tower is installed cabling on cable rack gold utensil 3, and it is directly fixedly connected with bolt with the grading ring 4 of valve top of tower.
The utility model is a kind of modular multi-electrical-level voltage source current converter valve Room major loop layout designs.It is the cascade system of submodule that modularization multi-level converter adopts cascade basic functional units, along with the rising of electric pressure, needs the submodule quantity of series connection to roll up.For this reason, take up an area space for ease of installing and saving, some submodule composition valve modules, valve tower of multiple valve module recomposition become one of connected mode of current employing.The utility model, using valve top of tower radome as through-flow loop, had both played the effect of all pressing, and the more important thing is that greatly simplifying busbar connects difficulty, has saved valuable occupation of land space.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement embodiment of the present utility model, and do not depart from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (5)
1. a modular multi-electrical-level voltage source current converter valve Room, described modularization multi-level converter is arranged in the valve Room, modularization multi-level converter adopts tower structure, described tower structure is made up of the valve tower of cascade, each valve tower comprises the valve module that vertically arranges and connect by busbar successively, it is characterized in that, the described valve Room comprises major loop, described major loop comprises as through-flow loop and is arranged on the grading ring of valve top of tower and is arranged on the gold utensil of valve tower bottom, and described gold utensil is connected with the busbar of valve module in valve tower, and within the scope of the encirclement of valve tower radome.
2. the modular multi-electrical-level voltage source current converter valve as claimed in claim 1 Room, is characterized in that, valve tower radome is installed around valve module, for uniform electric field.
3. the modular multi-electrical-level voltage source current converter valve as claimed in claim 1 Room, is characterized in that, described gold utensil comprises bottom incoming gold utensil and cabling on cable rack gold utensil; First valve module busbar of described bottom incoming gold utensil and valve tower bottom is connected, and within the scope of the encirclement of valve tower radome;
Described cabling on cable rack installation is at valve top of tower, and adopts bolt to be fixedly connected with between cabling on cable rack gold utensil and the grading ring of valve top of tower.
4. the modular multi-electrical-level voltage source current converter valve as claimed in claim 1 Room, is characterized in that, the valve tower of multiple cascades connects by strutting piece between any two, between the strutting piece of each valve tower left and right sides, is provided with the brace with adjustable length.
5. the modular multi-electrical-level voltage source current converter valve as claimed in claim 1 Room, is characterized in that, the water-cooled pipeline that is mated use is all set, for the heat radiation of converter on the valve module of connecting by busbar vertically arranging successively; Described valve module is made up of the submodule of cascade, and described submodule comprises insulated gate bipolar translator power tube IGBT1 and IGBT2, thyristor V, storage capacitor C, vacuum switch, resistance R 1 and resistance R 2; Described resistance R 1 and resistance R 2 are connected, composition R1-R2 branch road; Described vacuum switch, thyristor V and IGBT2 are in parallel successively; The emitter that described IGBT1 is up-down structure and IGBT1 with IGBT2 is connected the collector electrode of IGBT2; Described IGBT1, R1-R2 branch road and storage capacitor C are in parallel successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420003885.6U CN203691212U (en) | 2014-01-03 | 2014-01-03 | Modular multilevel voltage source converter valve hall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420003885.6U CN203691212U (en) | 2014-01-03 | 2014-01-03 | Modular multilevel voltage source converter valve hall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691212U true CN203691212U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420003885.6U Expired - Fee Related CN203691212U (en) | 2014-01-03 | 2014-01-03 | Modular multilevel voltage source converter valve hall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203691212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558864A (en) * | 2015-09-25 | 2017-04-05 | 国网智能电网研究院 | A kind of hybrid Fast DC Circuit Breaker |
| CN107078650A (en) * | 2014-11-05 | 2017-08-18 | Abb瑞士股份有限公司 | The capacitor unit for being divided into multiple pieces applied for electric power converter |
-
2014
- 2014-01-03 CN CN201420003885.6U patent/CN203691212U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107078650A (en) * | 2014-11-05 | 2017-08-18 | Abb瑞士股份有限公司 | The capacitor unit for being divided into multiple pieces applied for electric power converter |
| CN107078650B (en) * | 2014-11-05 | 2019-11-19 | Abb瑞士股份有限公司 | The capacitor unit for being divided into multiple pieces for electric power converter application |
| CN106558864A (en) * | 2015-09-25 | 2017-04-05 | 国网智能电网研究院 | A kind of hybrid Fast DC Circuit Breaker |
| CN106558864B (en) * | 2015-09-25 | 2019-03-15 | 全球能源互联网研究院 | A kind of hybrid Fast DC Circuit Breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170601 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: CHINA-EPRI ELECTRIC POWER ENGINEERING Co.,Ltd. Patentee after: State Grid Corporation of China Co-patentee after: DALIAN POWER SUPPLY COMPANY, STATE GRID LIAONING ELECTRIC POWER Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: STATE GRID SMART GRID Research Institute Patentee before: State Grid Corporation of China Co-patentee before: CHINA-EPRI ELECTRIC POWER ENGINEERING Co.,Ltd. Co-patentee before: DALIAN POWER SUPPLY COMPANY, STATE GRID LIAONING ELECTRIC POWER Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 |