CN113631019A - Evaporative cooling system for high-power converter - Google Patents
Evaporative cooling system for high-power converter Download PDFInfo
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- CN113631019A CN113631019A CN202110943579.5A CN202110943579A CN113631019A CN 113631019 A CN113631019 A CN 113631019A CN 202110943579 A CN202110943579 A CN 202110943579A CN 113631019 A CN113631019 A CN 113631019A
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- 238000001816 cooling Methods 0.000 title claims abstract description 54
- 238000009833 condensation Methods 0.000 claims abstract description 23
- 230000005494 condensation Effects 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000012782 phase change material Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 17
- 239000004065 semiconductor Substances 0.000 claims description 16
- 238000009835 boiling Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 230000037452 priming Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 description 57
- 230000008020 evaporation Effects 0.000 description 57
- 230000017525 heat dissipation Effects 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20318—Condensers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20309—Evaporators
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to an evaporative cooling system for a high-power converter, which comprises an evaporative heat exchanger unit, a steam collection main pipe, a condensate collection main pipe and a condensation heat exchanger, wherein the evaporative heat exchanger unit is provided with a plurality of evaporative heat exchangers and a plurality of evaporators, the evaporative heat exchangers are respectively arranged in a power cabinet, a filter cabinet and a grid-connected cabinet, the evaporators are arranged in the power cabinet, inlets of the evaporative heat exchangers and the evaporators are connected with the condensate collection main pipe, an outlet of the evaporative heat exchanger is connected with the steam collection main pipe, the condensation heat exchanger is arranged outside the power cabinet, the filter cabinet and the grid-connected cabinet, an inlet of the condensation heat exchanger is connected with the steam collection main pipe, and an outlet of the condensation heat exchanger is connected with the condensate collection main pipe. Compared with the prior art, the evaporative cooling system has high reliability and lower cost.
Description
Technical Field
The invention relates to the technical field of energy storage converters, in particular to an evaporative cooling system for a high-power converter.
Background
The PCS, namely the energy storage converter, can control the charging and discharging processes of the storage battery, performs alternating current-direct current conversion, and can directly supply power for alternating current loads under the condition of no power grid. The energy storage converter generally comprises three main cabinet bodies, namely a power cabinet, a filter cabinet and a grid-connected cabinet, wherein electrical components in the three cabinet bodies can emit a large amount of heat in the operation process, and the three cabinet bodies need to be cooled in order to avoid the influence of high temperature on normal use of the three cabinet bodies. The current transformer in the current market mainly adopts an air cooling scheme and a liquid cooling scheme, and an individual case adopts a high-voltage thermosyphon scheme to cool an IGBT suite. The air cooling scheme has low power density and low heat dissipation performance, is not suitable for heat dissipation of a high-power converter, adopts an open design, and has poor adaptability to application environments such as high humidity, high corrosion and the like. For the liquid cooling scheme, the converter is high in power density and good in heat dissipation performance, can adapt to different complex environments, but is high in corresponding cooling cost, relatively complex in cooling system maintenance and high in maintenance cost in the whole life cycle. The high-pressure thermosiphon scheme adopted by the IGBT for individual cases has obvious limitation and higher difficulty in field assembly and subsequent maintenance, and the whole system selects the Freon-related phase-change material, so that the phase-change heat dissipation of the whole system has a bottleneck under a certain structure and environment.
Therefore, there is a need in the art for a low cost, highly reliable, and highly efficient evaporative cooling system.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned drawbacks of the prior art and providing an evaporative cooling system for high power converters with high reliability.
In order to achieve the object of the present invention, the present application provides the following technical solutions.
In a first aspect, the application provides an evaporative cooling system for high power converter, the converter includes power cabinet, filter cabinet and the cabinet of being incorporated into the power networks, be equipped with multiunit power semiconductor device and power cabinet heating element in the power cabinet, be equipped with the multiunit reactor in the filter cabinet, be equipped with the cabinet heating element of being incorporated into the power networks in the cabinet, evaporative cooling system collects the person in charge, the condensate collects person in charge, condensation heat exchanger including evaporation heat exchanger unit, steam, wherein, evaporation heat exchanger unit is equipped with a plurality of evaporation heat exchangers and a plurality of evaporimeter, evaporation heat exchanger sets up respectively in power cabinet, filter cabinet and the cabinet of being incorporated into the power networks, the evaporimeter sets up in the power cabinet, just the entry and the condensate of evaporation heat exchanger and evaporimeter collect and be responsible for being connected, the export of evaporation heat exchanger collects with steam and is connected, condensation heat exchanger sets up and is responsible for being connected at power cabinet, condensation heat exchanger, The filtering cabinet and the outside of the grid-connected cabinet, the inlet of the condensing heat exchanger is connected with the steam collecting main pipe, and the outlet of the condensing heat exchanger is connected with the condensate collecting main pipe.
In one embodiment of the first aspect, the power semiconductor device is mounted on a surface of the evaporator, and the evaporator is configured to absorb heat of the power semiconductor device.
In an implementation manner of the first aspect, the evaporation heat exchanger arranged in the power cabinet is a first evaporation heat exchanger, the evaporation heat exchanger arranged in the filter cabinet is a second evaporation heat exchanger, the evaporation heat exchanger arranged in the grid-connected cabinet is a third evaporation heat exchanger, each of the first evaporation heat exchanger, the second evaporation heat exchanger and the third evaporation heat exchanger is provided with a circulation fan, and the circulation fan is used for driving air to circulate in the power cabinet, the filter cabinet or the grid-connected cabinet, so that the air passes through a power cabinet heating component, an electric reactor or a grid-connected cabinet heating component and then exchanges heat with the first evaporation heat exchanger, the second evaporation heat exchanger or the third evaporation heat exchanger.
In one embodiment of the first aspect, the evaporation heat exchanger, the evaporator, the steam collecting main pipe, the condensate collecting main pipe and the condensation heat exchanger are filled with a low-boiling-point phase change material.
In one embodiment of the first aspect, the low boiling point phase change material comprises a fluorinated liquid.
In one embodiment of the first aspect, the evaporative cooling system is provided with a self-priming centrifugal pump for driving the flow of low boiling point phase change material.
In one embodiment of the first aspect, the condensing heat exchanger is arranged on top of the converter and is equipped with a cooling fan.
In one embodiment of the first aspect, a pressure relief port is provided in the condensing heat exchanger.
Compared with the prior art, the invention has the beneficial effects that:
(1) the heat dissipation efficiency is high, and the space occupied by the heat dissipation device is small compared with an air cooling and liquid cooling heat dissipation scheme (including a liquid cooling system);
(2) the IP grade of the whole cabinet can reach IP6X, and the whole cabinet can be sealed;
(3) the maintenance level is low, compared with a liquid cooling scheme, the liquid cooling scheme has no failure risks such as short circuit of an electric loop and the like caused by leakage, and the reliability is high;
(4) compared with an air cooling scheme, the heat dissipation efficiency is high, and the cost is greatly reduced compared with a liquid cooling scheme;
(5) the design of normal pressure is adopted, and the evaporator, the condenser and the pipeline are connected in a split manner, so that the design, assembly and maintenance are facilitated.
Drawings
FIG. 1 is a schematic diagram of an evaporative cooling system according to the present application;
in the attached drawings, 1 is a power cabinet, 2 is a filter cabinet, 3 is a grid-connected cabinet, 4 is a condensate collecting main pipe, 5 is a steam collecting main pipe, 6 is a power semiconductor device, 7 is a first evaporation heat exchanger, 8 is a reactor, 9 is a second evaporation heat exchanger, 10 is a third evaporation heat exchanger, 11 is a self-suction centrifugal pump, 12 is a condensation heat exchanger, and 13 is a cooling fan.
Detailed Description
Unless otherwise defined, technical or scientific terms used herein in the specification and claims should have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. All numerical values recited herein as between the lowest value and the highest value are intended to mean all values between the lowest value and the highest value in increments of one unit when there is more than two units difference between the lowest value and the highest value.
While specific embodiments of the invention will be described below, it should be noted that in the course of the detailed description of these embodiments, in order to provide a concise and concise description, all features of an actual implementation may not be described in detail. Modifications and substitutions to the embodiments of the present invention may be made by those skilled in the art without departing from the spirit and scope of the present invention, and the resulting embodiments are within the scope of the present invention.
The traditional converter evaporative cooling system mainly comprises three modes of air cooling, liquid cooling and high-pressure siphon, but each mode has obvious defects. An object of the application is to provide an evaporative cooling system for high power converter, the converter includes power cabinet, filter cabinet and the cabinet of being incorporated into the power networks, be equipped with multiunit power semiconductor device and power cabinet heating element in the power cabinet, be equipped with the multiunit reactor in the filter cabinet, be equipped with the cabinet heating element of being incorporated into the power networks in the cabinet, evaporative cooling system includes that evaporative heat exchanger unit, steam collect to be responsible for, the condensate collects to be responsible for, the condensation heat exchanger, wherein, evaporative heat exchanger unit is equipped with a plurality of evaporative heat exchanger and a plurality of evaporimeter, evaporative heat exchanger sets up respectively in power cabinet, filter cabinet and the cabinet of being incorporated into the power networks, the evaporimeter sets up in the power cabinet, just the entry and the condensate of evaporative heat exchanger and evaporimeter collect to be responsible for and be connected, and evaporative heat exchanger's export collects with steam to be connected, the condensation heat exchanger sets up at power cabinet, the power cabinet, The filtering cabinet and the outside of the grid-connected cabinet, the inlet of the condensing heat exchanger is connected with the steam collecting main pipe, and the outlet of the condensing heat exchanger is connected with the condensate collecting main pipe. The design of normal pressure is adopted in this application, selects for use low boiling phase change material, can further reduce the temperature behind the device heat balance under the radiating prerequisite of satisfying high power density, has better samming characteristic, and the requirement reduces to the ring temperature that the condenser is located. Meanwhile, the scheme that the evaporation heat exchanger unit, the condenser and the pipeline are connected in a split mode can be adopted in the normal-pressure design scheme, field assembly and maintenance are facilitated, all evaporation heating surfaces can be sealed in the cabinet, the condenser is located at the top outside the cabinet or at the high point of the outer side face of the cabinet, and the internal evaporator, the evaporation heat exchanger and the external condenser are connected in a pipeline mode, so that the whole cabinet is sealed, high protection level is achieved, and the high-protection-level integrated cabinet can adapt to complex external environments.
In one embodiment, the power semiconductor device is mounted on a surface of the evaporator, and the evaporator is used for absorbing heat of the power semiconductor device. In the power cabinet, because the heat generated by the power semiconductor device is large, the heat flow density in the cabinet is high, and therefore an evaporator needs to be arranged for the power semiconductor device separately, and the heat dissipation capacity is improved.
In a specific implementation manner, the evaporation heat exchanger arranged in the power cabinet is a first evaporation heat exchanger, the evaporation heat exchanger arranged in the filter cabinet is a second evaporation heat exchanger, the evaporation heat exchanger arranged in the grid-connected cabinet is a third evaporation heat exchanger, each of the first evaporation heat exchanger, the second evaporation heat exchanger and the third evaporation heat exchanger is provided with a fan, and the fan is used for driving air to circulate in the power cabinet, the filter cabinet or the grid-connected cabinet, so that the air passes through a power cabinet heating component, an electric reactor or a grid-connected cabinet heating component and then exchanges heat with the first evaporation heat exchanger, the second evaporation heat exchanger or the third evaporation heat exchanger. In this application, because the existence of fan for the air is at three cabinet internal circulation flow, flows through cabinet heating element or reactor when the air, can take away the heat, makes cabinet heating element and reactor cooling, and simultaneously, the air heaies up. When hot air flows through the evaporation heat exchanger, the phase-change material in the evaporation heat exchanger absorbs heat and changes phase, namely, the phase-change material changes from liquid to gas, in the process, the heat of the air is absorbed, the air is cooled, and the air returns to the cabinet heating component or the reactor under the action of the fan to dissipate the heat of the cabinet heating component or the reactor. The power cabinet heating assembly comprises an IGBT module, a laminated busbar, a capacitor, a connecting copper bar and the like, and the grid-connected cabinet heating assembly comprises a circuit breaker, a copper bar, an alternating current capacitor, a fuse and the like.
In one embodiment, the evaporation heat exchanger, the evaporator, the steam collecting main pipe, the condensate collecting main pipe and the condensation heat exchanger are filled with low-boiling-point phase-change materials.
In one embodiment, the low boiling point phase change material comprises a fluorinated liquid.
In one embodiment, the evaporative cooling system is provided with a self-priming centrifugal pump for driving the flow of low boiling point phase change material. A self-suction centrifugal pump can be optionally arranged between the condensation heat exchanger and the steam collecting main pipeline, so that the steam resistance can be better overcome when the power grade is higher and the steam flow is higher, and the diameter of the pipeline is reduced.
In one embodiment, the condensation heat exchanger is arranged on the top of the converter and is provided with a cooling fan.
In a specific embodiment, a pressure relief port is formed in the condensation heat exchanger. When the pressure exceeds a certain value, the valve is opened to release the pressure.
Examples
The following will describe in detail the embodiments of the present invention, which are implemented on the premise of the technical solution of the present invention, and the detailed embodiments and the specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
An evaporative cooling system for a high-power converter is structurally shown as 1, and comprises an evaporator, an evaporative heat exchanger, a condensing heat exchanger 12, a steam branch pipeline, a condensate branch pipeline, a steam collecting main pipe 5, a condensate collecting main pipe 4, a fan, a cooling fan 13, a self-suction centrifugal pump 11 and the like, wherein the evaporative cooling system comprises an evaporative condensation loop, a circulating air path and the like, and specifically comprises the following components:
each power semiconductor device 6 in the power cabinet 1 is an independent evaporation cooling loop, the power semiconductor devices 6 are arranged on two sides of an evaporator, phase-change materials in the evaporator absorb heat of the power semiconductor devices 6 and then are vaporized into steam, the steam returns to the steam collecting main pipe 5 along an evaporation branch, the steam in the steam collecting main pipe 5 enters the condensing heat exchanger 12 outside the cabinet and is condensed into liquid phase-change materials, and then the liquid phase-change materials enter the evaporator of the power semiconductor devices 6 through the condensate collecting main pipe 4 and the condensate branch pipeline.
The power cabinet 1, the filter cabinet 1 and the grid-connected cabinet 3 are independent closed cavities respectively, the reactor 8 is located in the filter cabinet 1, the environment heat in the filter cabinet 1 is taken away through steam-condensate circulation by adopting a second evaporation heat exchanger 9 in each loop environment control, and the second evaporation heat exchanger 9 adopts an evaporation phase-change heat exchanger. Adopt the forced air cooling form in the filter cabinet 1, be about to install second evaporation heat exchanger 9 at 8 top air outlets of reactor, with the fan cooperation (not shown in the figure), inhale low temperature air from 8 bottom air intakes of reactor and 8 inside windings of reactor, the iron core dispels the heat, high temperature air after being heated gets into second evaporation heat exchanger 9, phase change material in the second evaporation heat exchanger 9 absorbs behind the hot air heat and changes into steam entering steam branch pipeline, and then rise to steam and collect in being responsible for 5, liquid phase change material gets into second evaporation heat exchanger 9 along condensate branch pipeline.
Similarly, the internal environment cooling of the power cabinet 1 and the grid-connected cabinet 3 respectively circulates the air in the cabinets through the combination of the first evaporation heat exchanger 7, the third evaporation heat exchanger 10 and the fan (the fan is not shown in the figure), the hot air in the power cabinet 1 or the grid-connected cabinet 3 is sucked into the first evaporation heat exchanger 7 or the third evaporation heat exchanger 10 through the fan negative pressure, the phase-change material in the first evaporation heat exchanger 7 or the third evaporation heat exchanger 10 absorbs the heat of the hot air and evaporates into a vapor state, the vapor state enters the vapor collecting main pipe 5 along the vapor branch pipeline and further enters the condensing heat exchanger 12 outside the cabinets, the condensed liquid phase-change material enters the condensing main pipe 4 paths and then enters the corresponding first evaporation heat exchanger 7 or the third evaporation heat exchanger 10 through the corresponding condensate branch pipeline, and the vapor-condensate phase-change cycle is completed.
The condensing heat exchanger 12 is positioned at the highest point of the top of the outer cabinet of the cabinet, and also can be positioned at the highest point of the side surface of the cabinet, and a steam inlet and a liquid outlet of the condensing heat exchanger 12 are respectively connected with the steam collecting main pipe 5 and the condensate collecting main pipe 4. The condensation heat exchanger 12 is matched with the cooling fan 13, the cooling fan 13 sucks cold air into the condensation heat exchanger 12, and hot steam in the condensation heat exchanger 12 is cooled, wherein a pressure release valve (not shown in the figure) is installed on the condensation heat exchanger 12, and when the pressure exceeds a certain value, the valve is opened to release the pressure. In addition, a self-suction type centrifugal pump 11 can be optionally arranged between the condensation heat exchanger 12 and the steam collecting main pipe 5, so that the steam resistance can be better overcome when the power grade is higher and the steam flow is higher, and the diameter of a pipeline is reduced.
For the energy storage PCS with the power level of more than 3MW, the evaporative cooling system can better solve the problems of system heat dissipation and protection level and can greatly improve the power density; and when the air conditioner or liquid cooling scheme is needed in outdoor scenes such as high humidity and high salt fog, the scheme has better replaceability and better cost.
The embodiments described above are intended to facilitate the understanding and appreciation of the application by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present application is not limited to the embodiments herein, and those skilled in the art who have the benefit of this disclosure will appreciate that many modifications and variations are possible within the scope of the present application without departing from the scope and spirit of the present application.
Claims (8)
1. The utility model provides an evaporative cooling system for high power converter, the converter includes power cabinet, filtering cabinet and the cabinet that is incorporated into the power networks, be equipped with multiunit power semiconductor device and power cabinet heating element in the power cabinet, be equipped with the multiunit reactor in the filtering cabinet, be equipped with the cabinet heating element that is incorporated into the power networks in the cabinet, a serial communication port, evaporative cooling system includes that evaporative heat exchanger unit, steam collect to be responsible for, the condensate collects to be responsible for, the condensation heat exchanger, wherein, evaporative heat exchanger unit is equipped with a plurality of evaporative heat exchangers and a plurality of evaporimeter, evaporative heat exchanger sets up respectively in power cabinet, filtering cabinet and the cabinet that is incorporated into the power networks, the evaporimeter sets up in the power cabinet, and the entry and the condensate of evaporative heat exchanger and evaporimeter collect to be responsible for and be connected, and the export of evaporative heat exchanger and steam collect to be responsible for and be connected, the condensation heat exchanger sets up at power cabinet, the cabinet is incorporated into the power cabinet, the cabinet heating element, The filtering cabinet and the outside of the grid-connected cabinet, the inlet of the condensing heat exchanger is connected with the steam collecting main pipe, and the outlet of the condensing heat exchanger is connected with the condensate collecting main pipe.
2. The evaporative cooling system for a high power converter as claimed in claim 1, wherein the power semiconductor devices are mounted on the surface of the evaporator, the evaporator being adapted to absorb heat from the power semiconductor devices.
3. The evaporative cooling system for the high-power converter according to claim 1, wherein the evaporative heat exchanger arranged in the power cabinet is a first evaporative heat exchanger, the evaporative heat exchanger arranged in the filter cabinet is a second evaporative heat exchanger, the evaporative heat exchanger arranged in the grid-connected cabinet is a third evaporative heat exchanger, each of the first evaporative heat exchanger, the second evaporative heat exchanger and the third evaporative heat exchanger is provided with a circulating fan, and the circulating fan is used for driving air to circulate in the power cabinet, the filter cabinet or the grid-connected cabinet, so that the air passes through a power cabinet heating component, a reactor or a grid-connected cabinet heating component and then exchanges heat with the first evaporative heat exchanger, the second evaporative heat exchanger or the third evaporative heat exchanger.
4. The evaporative cooling system for the high-power converter as claimed in any one of claims 1 to 3, wherein the evaporative heat exchanger, the evaporator, the steam collecting main pipe, the condensate collecting main pipe and the condensing heat exchanger are filled with a low-boiling-point phase change material.
5. The evaporative cooling system for a high power converter of claim 4, wherein the low boiling point phase change material comprises a fluorinated liquid.
6. The evaporative cooling system for a high power inverter of claim 4, wherein the evaporative cooling system is provided with a self priming centrifugal pump for driving the flow of low boiling phase change material.
7. The evaporative cooling system for high power converters of claim 1, wherein the condensing heat exchanger is placed on top of the converter and is equipped with a heat sink fan.
8. The evaporative cooling system for high power converters of claim 7, wherein the condensing heat exchanger is provided with a pressure relief device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110943579.5A CN113631019A (en) | 2021-08-17 | 2021-08-17 | Evaporative cooling system for high-power converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110943579.5A CN113631019A (en) | 2021-08-17 | 2021-08-17 | Evaporative cooling system for high-power converter |
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| CN113631019A true CN113631019A (en) | 2021-11-09 |
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| CN202110943579.5A Pending CN113631019A (en) | 2021-08-17 | 2021-08-17 | Evaporative cooling system for high-power converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114599216A (en) * | 2022-05-10 | 2022-06-07 | 京清数电(北京)技术有限公司 | Phase-change cooling energy-storage converter |
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| CN111698888A (en) * | 2020-07-06 | 2020-09-22 | 西安交通大学 | Natural evaporation cooling server cabinet and working method thereof |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1851908A (en) * | 2006-05-22 | 2006-10-25 | 中国科学院电工研究所 | Power semi-conductor device evaporation cooling apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114599216A (en) * | 2022-05-10 | 2022-06-07 | 京清数电(北京)技术有限公司 | Phase-change cooling energy-storage converter |
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