CN204271645U - Be applied to the water-cooling system of active power compensator - Google Patents
Be applied to the water-cooling system of active power compensator Download PDFInfo
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- CN204271645U CN204271645U CN201420721027.5U CN201420721027U CN204271645U CN 204271645 U CN204271645 U CN 204271645U CN 201420721027 U CN201420721027 U CN 201420721027U CN 204271645 U CN204271645 U CN 204271645U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model discloses a kind of water-cooling system being applied to active power compensator, it comprises: multiple water-filled radiator, each IGBT device in each water-filled radiator corresponding unit cabinet, and is arranged in corresponding IGBT device; Branch's water inlet pipe, the corresponding branch's water inlet pipe of each unit cabinet, and the water inlet end of water-filled radiator is connected with branch water inlet pipe by water supply hose; Branch out water pipe, corresponding one of each unit cabinet branches out water pipe, and the water side of water-filled radiator by delivery hose with branch out water pipe and be connected; Recirculated cooling water pipeline, described branch's water inlet pipe is connected with the delivery port of recirculated cooling water pipeline, and the described water pipe that branches out is connected with the water inlet of recirculated cooling water pipeline.The utility model can reduce IGBT device greatly because of the overheated power reduction brought, the phenomenon that reliability reduces, and achieves high efficiency and the high power density of IGBT device.
Description
Technical field
The utility model relates to a kind of water-cooling system being applied to active power compensator, is applicable to the active filter of multi-machine parallel connection.
Background technology
At present, along with country was to the progressively raising of electric power quality requirement in recent years, country is more and more extensive to the improvement demand of Harmonious Waves in Power Systems, requires also more and more higher.Simultaneously along with development and the popularization of power electronic equipment (particularly frequency converter and rectifying device), power utilization environment also more changeable complexity than ever.Traditional passive filtration unit far away can not practical requirement, active power compensator (Active Power FiIter, APF) as technology state-of-the-art in harmonic wave control field, its market also presents very large growth thereupon, from practical application effect, APF is that actual compensation effect or jamproof ability are all far away higher than PPF product.But in present stage, due to the actual needs of the large power-consuming equipments such as electrolysis tank, oxidation trough, welding, forging, big current APF applies also more and more extensive, and the heat radiation of IGBT constant power device is subject to extensive concern day by day.Due to low-voltage, high-current APF normally work time, be subject to the restriction of DC voltage, output current and carrier frequency, its inversion unit caloric value is higher, the high efficiency application of IGBT and heat radiation become an important technology key link of APF development, water-cooling system is also more common among power electronic equipment, but does not but have for the water-cooled cooling system that the simultaneously parallel operation of multiple stage high-current equipment uses and relate to.
Summary of the invention
Technical problem to be solved in the utility model is the defect overcoming prior art, a kind of water-cooling system being applied to active power compensator is provided, it can reduce IGBT device greatly because of the overheated power reduction brought, the phenomenon that reliability reduces, achieves high efficiency and the high power density of IGBT device.
The utility model solves the problems of the technologies described above taked technical scheme: a kind of water-cooling system being applied to active power compensator, and it comprises:
Multiple water-filled radiator, each IGBT device in each water-filled radiator corresponding unit cabinet, and be arranged in corresponding IGBT device;
Branch's water inlet pipe, the corresponding branch's water inlet pipe of each unit cabinet, and the water inlet end of water-filled radiator is connected with branch water inlet pipe by water supply hose;
Branch out water pipe, corresponding one of each unit cabinet branches out water pipe, and the water side of water-filled radiator by delivery hose with branch out water pipe and be connected;
Recirculated cooling water pipeline, described branch's water inlet pipe is connected with the delivery port of recirculated cooling water pipeline, and the described water pipe that branches out is connected with the water inlet of recirculated cooling water pipeline.
Further provide a kind of concrete structure of recirculated cooling water pipeline, recirculated cooling water pipeline has water inlet manifold, outfall sewer, main circulation pump and heat exchanger, outfall sewer is connected with the water inlet of main circulation pump, the delivery port of main circulation pump is connected with the water inlet of heat exchanger, and the delivery port of heat exchanger is connected with water inlet manifold.
Further, degassing tank is communicated with between water inlet manifold and the water inlet of main circulation pump.
Further in order to a Non-follow control unit cabinet inner cooling water flow, the junction of described branch's water inlet pipe and the delivery port of recirculated cooling water pipeline is provided with water intake ball valve, and the described junction branching out the water inlet of water pipe and recirculated cooling water pipeline is provided with water outlet ball valve.
Further in order to according to temperature automatic adjustment cooling water flow flux, thus control Inlet and outlet water flow, this water-cooling system being applied to active power compensator also comprises control system, flow valve is provided with in described recirculated cooling water pipeline, temperature sensor is provided with in unit cabinet, the signal output part of temperature sensor is connected to the signal input part of control system so that temperature sensor is passed to control system for the temperature parameter that gathers in corresponding unit cabinet, the signal output part of control system connects so that control system controls the circulation of flow valve according to corresponding temperature parameter to flow valve phase control.
Further in order to realize the automatic regulation function to water temperature in water inlet manifold, according to different capacity, Various Seasonal, heat radiation executive component in heat exchanger, as fan etc. carries out rotating speed control, thus regulate water inlet pipe water temperature, reach best cooling effect, this water-cooling system being applied to active power compensator also comprises control system, cooling-water temperature sensor is provided with in described water inlet manifold, the signal output part of cooling-water temperature sensor is connected with the signal input part of control system, and the signal output part of control system is connected with heat exchanger phase control.
After have employed technique scheme, recirculated cooling water pipeline is utilized to be circulated in whole water cooled pipeline by cooling water, cooling water current are through water-filled radiator, thus take away by the cooling water of flowing the heat that IGBT parts produce, in product running, wherein certain or certain several unit cabinet breaks down, independently can disconnect water route, its fault point is keeped in repair separately, normally can not work to other unit cabinets and have an impact, this makes it possible to greatly reduce IGBT device because of the overheated power reduction brought, the phenomenon that reliability reduces, achieve high efficiency and the high power density of IGBT device, in addition, in each unit cabinet, there is independently ball valve, according under different capabilities and the different condition exported, manual adjustments can be carried out to each unit cabinet cooling water flow, thus reduce invalid water circulation total amount, reduce the overall power of water-cooling system.The effect of Inlet and outlet water flexible pipe is to merge water pipe and radiator unit better, is convenient to install, safeguard.
Accompanying drawing explanation
Fig. 1 is the stereogram be applied in each unit cabinet of the water-cooling system of active power compensator of the present utility model;
Fig. 2 is the pipeline connecting figure of recirculated cooling water pipeline;
Fig. 3 is the structural representation of IGBT device.
Embodiment
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail.
As shown in Figures 1 to 3, a kind of water-cooling system being applied to active power compensator, it comprises:
Multiple water-filled radiator 1, each IGBT device 2 in each water-filled radiator 1 corresponding unit cabinet, and be arranged in corresponding IGBT device 2;
Branch's water inlet pipe 41, the corresponding branch's water inlet pipe 41 of each unit cabinet, and the water inlet end of water-filled radiator 1 is connected with branch water inlet pipe 41 by water supply hose 31;
Branch out water pipe 42, corresponding one of each unit cabinet branches out water pipe 42, and the water side of water-filled radiator 1 by delivery hose 32 with branch out water pipe 42 and be connected;
Recirculated cooling water pipeline, branch's water inlet pipe 41 is connected with the delivery port of recirculated cooling water pipeline, branches out water pipe 42 and is connected with the water inlet of recirculated cooling water pipeline.
As shown in Figure 2, recirculated cooling water pipeline has water inlet manifold 5, outfall sewer 6, main circulation pump 8 and heat exchanger 9, outfall sewer 5 is connected with the water inlet of main circulation pump 8, and the delivery port of main circulation pump 8 is connected with the water inlet of heat exchanger 9, and the delivery port of heat exchanger 9 is connected with water inlet manifold 5.
As shown in Figure 2, degassing tank 10 is communicated with between the water inlet of water inlet manifold 5 and main circulation pump 8.
As shown in Figure 1, branch's water inlet pipe 41 is provided with water intake ball valve 71 with the junction of the delivery port of recirculated cooling water pipeline, and the described water pipe 42 that branches out is provided with water outlet ball valve 72 with the junction of the water inlet of recirculated cooling water pipeline.
This water-cooling system being applied to active power compensator also comprises control system, flow valve 11 is provided with in recirculated cooling water pipeline, temperature sensor is provided with in unit cabinet, the signal output part of temperature sensor is connected to the signal input part of control system so that temperature sensor is passed to control system for the temperature parameter that gathers in corresponding unit cabinet, and the signal output part of control system connects so that control system controls the circulation of flow valve 11 according to corresponding temperature parameter to flow valve 11 phase control.
This water-cooling system being applied to active power compensator also comprises control system, cooling-water temperature sensor is provided with in water inlet manifold 5, the signal output part of cooling-water temperature sensor is connected with the signal input part of control system, and the signal output part of control system is connected with heat exchanger 9 phase control.
As shown in Figure 3, the unit cabinet inner radiator design of utility model combines the information such as the distribution of IGB device 2 pieces of internal transistors and heat emulation high temperature dot distribution, circuit design more rationally with efficient, can ensure the reliability of dispelling the heat well, can ensure again the validity of temperature acquisition.
Operation principle of the present utility model is as follows:
Recirculated cooling water pipeline is utilized to be circulated in whole water cooled pipeline by cooling water, cooling water current are through water-filled radiator 1, thus take away by the cooling water of flowing the heat that IGBT parts 2 produce, in product running, wherein certain or certain several unit cabinet breaks down, independently can disconnect water route, its fault point is keeped in repair separately, normally can not work to other unit cabinets and have an impact, this makes it possible to greatly reduce IGBT device 2 because of the overheated power reduction brought, the phenomenon that reliability reduces, achieve high efficiency and the high power density of IGBT device 2, in addition, in each unit cabinet, there is independently ball valve, according under different capabilities and the different condition exported, manual adjustments can be carried out to each unit cabinet cooling water flow, thus reduce invalid water circulation total amount, reduce the overall power of water-cooling system.The effect of Inlet and outlet water flexible pipe is to merge water pipe and radiator unit better, is convenient to install, safeguard.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the utility model solves are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. be applied to a water-cooling system for active power compensator, it is characterized in that, it comprises:
Multiple water-filled radiator (1), each IGBT device (2) in each water-filled radiator (1) corresponding unit cabinet, and be arranged in corresponding IGBT device (2);
Branch's water inlet pipe (41), the corresponding branch's water inlet pipe (41) of each unit cabinet, and the water inlet end of water-filled radiator (1) is connected with branch's water inlet pipe (41) by water supply hose (31);
Branch out water pipe (42), corresponding one of each unit cabinet branches out water pipe (42), and the water side of water-filled radiator (1) by delivery hose (32) with branch out water pipe (42) and be connected;
Recirculated cooling water pipeline, described branch's water inlet pipe (41) is connected with the delivery port of recirculated cooling water pipeline, and the described water pipe (42) that branches out is connected with the water inlet of recirculated cooling water pipeline.
2. the water-cooling system being applied to active power compensator according to claim 1, it is characterized in that: described recirculated cooling water pipeline has water inlet manifold (5), outfall sewer (6), main circulation pump (8) and heat exchanger (9), outfall sewer (5) is connected with the water inlet of main circulation pump (8), the delivery port of main circulation pump (8) is connected with the water inlet of heat exchanger (9), and the delivery port of heat exchanger (9) is connected with water inlet manifold (5).
3. the water-cooling system being applied to active power compensator according to claim 2, is characterized in that: be communicated with degassing tank (10) between described water inlet manifold (5) and the water inlet of main circulation pump (8).
4. the water-cooling system being applied to active power compensator according to claim 1 or 2 or 3, it is characterized in that: described branch's water inlet pipe (41) is provided with water intake ball valve (71) with the junction of the delivery port of recirculated cooling water pipeline, the described water pipe (42) that branches out is provided with water outlet ball valve (72) with the junction of the water inlet of recirculated cooling water pipeline.
5. the water-cooling system being applied to active power compensator according to claim 1 or 2 or 3, it is characterized in that: also comprise control system, flow valve (11) is provided with in described recirculated cooling water pipeline, temperature sensor is provided with in unit cabinet, the signal output part of temperature sensor is connected to the signal input part of control system so that temperature sensor is passed to control system for the temperature parameter that gathers in corresponding unit cabinet, the signal output part of control system is connected so that control system controls the circulation of flow valve (11) according to corresponding temperature parameter with flow valve (11) phase control.
6. the water-cooling system being applied to active power compensator according to Claims 2 or 3, it is characterized in that: also comprise control system, cooling-water temperature sensor is provided with in described water inlet manifold (5), the signal output part of cooling-water temperature sensor is connected with the signal input part of control system, and the signal output part of control system is connected with heat exchanger (9) phase control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721027.5U CN204271645U (en) | 2014-11-25 | 2014-11-25 | Be applied to the water-cooling system of active power compensator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721027.5U CN204271645U (en) | 2014-11-25 | 2014-11-25 | Be applied to the water-cooling system of active power compensator |
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| CN204271645U true CN204271645U (en) | 2015-04-15 |
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| CN201420721027.5U Active CN204271645U (en) | 2014-11-25 | 2014-11-25 | Be applied to the water-cooling system of active power compensator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107783021A (en) * | 2017-09-06 | 2018-03-09 | 全球能源互联网研究院有限公司 | A kind of test module for the experiment of crimp type IGBT device power cycle |
| CN110351977A (en) * | 2018-04-02 | 2019-10-18 | 通用电气公司 | System and method for cooling down imaging system |
-
2014
- 2014-11-25 CN CN201420721027.5U patent/CN204271645U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107783021A (en) * | 2017-09-06 | 2018-03-09 | 全球能源互联网研究院有限公司 | A kind of test module for the experiment of crimp type IGBT device power cycle |
| CN110351977A (en) * | 2018-04-02 | 2019-10-18 | 通用电气公司 | System and method for cooling down imaging system |
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