CN202424544U - Water-cooling power unit for high-capacity cascading static var generator (SVG) - Google Patents
Water-cooling power unit for high-capacity cascading static var generator (SVG) Download PDFInfo
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- CN202424544U CN202424544U CN2012200103269U CN201220010326U CN202424544U CN 202424544 U CN202424544 U CN 202424544U CN 2012200103269 U CN2012200103269 U CN 2012200103269U CN 201220010326 U CN201220010326 U CN 201220010326U CN 202424544 U CN202424544 U CN 202424544U
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Abstract
The utility model provides a water-cooling power unit for a high-capacity cascading static var generator (SVG). The water-cooling power unit comprises water-cooling high-power IGBT (Insulated Gate Bipolar Transistor) power modules (1), direct current capacitor groups (2), a direct current busbar (3), alternating current busbars (4), a water cooling path (5) and a bracket (6), wherein the water-cooling high-power IGBT power modules (1) are arranged on a side plate of a front bracket (61) at intervals, the direct current capacitor groups (2) are arrayed in a rear bracket (62) at intervals, the direct current busbar (3) is arranged on terminals of the direct current capacitor groups (2), the direct current capacitor groups (2) are connected with the direct current ends of the water-cooling high-power IGBT power modules (1) through the direct current busbar (3), and the alternating current ends of the water-cooling high-power IGBT power modules (1) are connected with the alternating current busbars (4) and extend to the outer side of the bracket to serve as terminals of the power unit. The water-cooling power unit is simple in structure and assembly process and convenient to maintain and can meet the requirements of the high-capacity cascading SVG.
Description
Technical field
The utility model relates to a kind of water-cooled large capacity cascade formula static reacance generator power cell, belongs to the Electric automation technology field.
Background technology
Adopt the static reacance generator (SVG) of H bridge cascade main circuit topological structure to have the imbalance compensation function; Can suitably dispose cascade power cell number to obtain required equipment work electric pressure, element circuit unification; Being convenient to carry out advantages such as modularization production simultaneously, is the important development direction of at present big capacity voltage levels static reacance generator application technology.Power cell is the important component part of large capacity cascade formula static reacance generator, and its characteristics have determined many factors such as the electrical characteristic, occupation of land, manufacturing process, maintainability of static reacance generator device.
Cascade connection type SVG power cell design of the prior art has obtained application to a certain degree, but still exists some shortcomings:
1) constitutes the dc capacitor group after a plurality of electrochemical capacitor connection in series-parallel, all press problem between the series capacitor, cause mounting structure complicated thereby exist;
2) main electronic power switch element IGBT adopts wind-cooling heat dissipating, and radiating efficiency is lower, has limited the power capacity of power cell;
3) DC side stack bus bar complex structure, ampacity is low, and manufacturing cost is higher;
Comprehensive above-mentioned limited case finally causes the power cell working volts alternating current generally to be not more than 600V, and operating current is not more than 200A, is difficult to satisfy the needs of large capacity cascade formula static reacance generator.
The utility model content
The technical problem that the utility model will solve provides a kind of compact conformation, assembly technology is simple, easy to maintenance and can satisfy the water-cooled large capacity cascade formula static reacance generator power cell of large capacity cascade formula static reacance generator needs.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of water-cooled large capacity cascade formula static reacance generator power cell; Comprise water-cooled high-power IGBT power model, direct current capacitor group, DC master row, interchange busbar, cooling water channel and support; Said water-cooled high-power IGBT power model has two; Support is made up of fore-stock that is detachably connected and after-poppet; Above-mentioned water-cooled high-power IGBT power model is located on the side plate of fore-stock at interval, and the direct current capacitor group is spaced in after-poppet, and DC master row is located on the binding post of direct current capacitor group; The direct current capacitor group links to each other with the dc terminal of water-cooled high-power IGBT power model through DC master row; Exchange busbar and be located on the side plate and top board of fore-stock, the interchange end of water-cooled high-power IGBT power model is connected with the interchange busbar and extends to outside the support binding post as power cell, and cooling water channel is located on the left plate of fore-stock and is used to cool off water-cooled high-power IGBT power model.
Said DC master row is the direct current stack bus bar, and this busbar adopts two blocks of punch forming steel plates as DC side both positive and negative polarity busbar, sandwiches stamping forming insulating material between two steel plates.
Said direct current capacitor group is a metal metallized safety rupture pressure disc self-healing DC filter capacitors.
The material of said support is sheet metal component or section bar.
Compared with prior art, the utility model technology has the following advantages:
1, the utility model can satisfy large capacity cascade formula static reacance generator needs.In the utility model, owing to adopt DC master row simultaneously and exchange busbar, and DC master row adopts stamping parts; Its enlarged in thickness, the distance that exchanges between the busbar increases, and has strengthened the radiating effect of the utility model; Improved the effective-current amount of the utility model; The alternating voltage that makes the utility model be suitable for reaches more than the 100V, and operating current can reach more than the 700A, can satisfy large capacity cascade formula static reacance generator needs.
2, the utility model compact conformation, assembly technology is simple and easy to maintenance.Because the utility model adopts direct current stack bus bar structure; This just make the utility model compact in design, volume is little and effectively reduce the present distributed inductance of direct current, simplify circuit and connect, in use; If system breaks down; Only need keep in repair separately to certain unit module, need compare keeping in repair after the whole cabinet dismounting with of the prior art, the utility model is safeguarded also convenient.
3, the utility model combination can realize the standardization and the modularization of SVG device main circuit structure design flexibly.The utility model in use according to the different voltages with different grade, is selected several the utility model and is formed corresponding power model, and combination flexibly; While can make full use of the cabinet space owing to the utility model compact conformation, volume are little when combination, realized the standardization and the modularization of SVG device main circuit structure design.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation:
Fig. 1 is the utility model forward sight overall structure figure.
Fig. 2 is the utility model backsight overall structure figure.
Fig. 3 is the utility model after-poppet and capacitor group mounting structure figure.
Fig. 4 is the utility model direct current stack bus bar mounting structure figure.
Fig. 5 is the utility model fore-stock side plate and cooling water channel mounting structure figure.
Fig. 6 is the utility model fore-stock and exchange busbar mounting structure figure.
Embodiment
(with reference to accompanying drawing) a kind of water-cooled large capacity cascade formula static reacance generator power cell; Comprise water-cooled high-power IGBT power model 1, direct current capacitor group 2, DC master row 3, exchange busbar 4, cooling water channel 5 and support 6; Said water-cooled high-power IGBT power model 1 has two; Support 6 is made up of fore-stock that is detachably connected 61 and after-poppet 62; Above-mentioned water-cooled high-power IGBT power model 1 is located on the side plate of fore-stock 61 at interval, and direct current capacitor group 2 is spaced in after-poppet 62, and DC master row 3 is located on the binding post of direct current capacitor group 2; Direct current capacitor group 2 links to each other with the dc terminal of water-cooled high-power IGBT power model 1 through DC master row 3; Exchange busbar 4 and be located on the side plate and top board of fore-stock 61, the interchange end of water-cooled high-power IGBT power model 1 is connected with interchange busbar 4 and extends to outside the support binding post as power cell, and cooling water channel 5 is located on the left plate of fore-stock 61 and is used to cool off water-cooled high-power IGBT power model 1; Said DC master row 3 is the direct current stack bus bar, and this busbar adopts two blocks of punch forming steel plates as DC side both positive and negative polarity busbar, sandwiches stamping forming insulating material between two steel plates; Said direct current capacitor group 2 is a metal metallized safety rupture pressure disc self-healing DC filter capacitors; The material of said support 6 is sheet metal component or section bar.
In the utility model, the installation of cooling water channel 5 should guarantee that the flow direction of cooling water should be perpendicular or parallel in the power model fin, simultaneously; The utility model can be vertically or horizontal positioned; Be convenient in use, make up, to satisfy user demand according to the different voltages with different grade.
Claims (4)
1. water-cooled large capacity cascade formula static reacance generator power cell; Comprise water-cooled high-power IGBT power model (1), direct current capacitor group (2), DC master row (3), exchange busbar (4), cooling water channel (5) and support (6); It is characterized in that: said water-cooled high-power IGBT power model (1) has two; Support (6) is made up of fore-stock that is detachably connected (61) and after-poppet (62); Above-mentioned water-cooled high-power IGBT power model (1) is located on the side plate of fore-stock (61) at interval; Direct current capacitor group (2) is spaced in after-poppet (62); DC master row (3) is located on the binding post of direct current capacitor group (2); Direct current capacitor group (2) links to each other with the dc terminal of water-cooled high-power IGBT power model (1) through DC master row (3); Exchange busbar (4) and be located on the side plate and top board of fore-stock (61), the interchange end of water-cooled high-power IGBT power model (1) is connected with interchange busbar (4) and extends to outside the support binding post as power cell, and cooling water channel (5) is located on the left plate of fore-stock (61) and is used to cool off water-cooled high-power IGBT power model (1).
2. water-cooled large capacity cascade formula static reacance generator power cell according to claim 1, it is characterized in that: said DC master row (3) is the direct current stack bus bar.
3. water-cooled large capacity cascade formula static reacance generator power cell according to claim 1 is characterized in that: said direct current capacitor group (2) is a metal metallized safety rupture pressure disc self-healing DC filter capacitors.
4. water-cooled large capacity cascade formula static reacance generator power cell according to claim 1, it is characterized in that: the material of said support (6) is sheet metal component or section bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200103269U CN202424544U (en) | 2012-01-11 | 2012-01-11 | Water-cooling power unit for high-capacity cascading static var generator (SVG) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200103269U CN202424544U (en) | 2012-01-11 | 2012-01-11 | Water-cooling power unit for high-capacity cascading static var generator (SVG) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202424544U true CN202424544U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200103269U Expired - Fee Related CN202424544U (en) | 2012-01-11 | 2012-01-11 | Water-cooling power unit for high-capacity cascading static var generator (SVG) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202424544U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712465A (en) * | 2017-03-06 | 2017-05-24 | 中车株洲电力机车研究所有限公司 | Power assembly for current transformer |
| CN109638854A (en) * | 2019-01-31 | 2019-04-16 | 广东安朴电力技术有限公司 | A kind of compact water-cooling SVG power modules |
| CN112510970A (en) * | 2020-12-09 | 2021-03-16 | 新风光电子科技股份有限公司 | Modular unit structure type cascade power device |
-
2012
- 2012-01-11 CN CN2012200103269U patent/CN202424544U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712465A (en) * | 2017-03-06 | 2017-05-24 | 中车株洲电力机车研究所有限公司 | Power assembly for current transformer |
| CN109638854A (en) * | 2019-01-31 | 2019-04-16 | 广东安朴电力技术有限公司 | A kind of compact water-cooling SVG power modules |
| CN109638854B (en) * | 2019-01-31 | 2023-11-03 | 广东安朴电力技术有限公司 | Compact water-cooling SVG power module |
| CN112510970A (en) * | 2020-12-09 | 2021-03-16 | 新风光电子科技股份有限公司 | Modular unit structure type cascade power device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20120905 Termination date: 20190111 |