CN110391756A - The change of current valve tower water distribution system and design method of full-bridge and half-bridge power module mixed connection - Google Patents
The change of current valve tower water distribution system and design method of full-bridge and half-bridge power module mixed connection Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 337
- 238000009826 distribution Methods 0.000 title claims abstract description 24
- 238000013461 design Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 172
- 239000011229 interlayer Substances 0.000 claims abstract description 48
- 238000013016 damping Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 abstract description 27
- 239000002699 waste material Substances 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000011161 development Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000012827 research and development Methods 0.000 abstract description 4
- 239000000306 component Substances 0.000 description 117
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
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Abstract
The invention discloses the change of current valve tower water distribution system and design method of a kind of full-bridge and half-bridge power module mixed connection, main water inlet tube road is connected with interlayer transverse water inlet pipe, and main water return tube road is connected with interlayer return water transverse tube；Water inlet pipe and exit branch are respectively connected on full bridge power module water cooling component and half-bridge power module water cooling component, one end of water inlet pipe is connect with interlayer transverse water inlet pipe, and one end of exit branch is connect with interlayer return water transverse tube；The flow resistance of each full bridge power module water cooling component is equal to the flow resistance of each half-bridge power module water cooling component.Present invention accomplishes the research and development demands of the development of flexible DC transmission technology and large capacity converter valve power cell；Realize the automatic distribution of full bridge power module water cooling component and the respective cooling water flow of half-bridge power module water cooling component in mixed connection valve tower, full bridge power module water cooling component and the respective cooling water flow of half-bridge power module water cooling inter-module are uniform, avoid the waste of cooling water.
Description
Technical field
The invention belongs to technical field of HVDC transmission, and in particular to a kind of full-bridge and half-bridge power module mixed connection are changed
Flow valve tower water distribution system and design method.
Background technique
The core equipment of flexible DC transmission is the change of current valve tower of several power module compositions, and power conversion apparatus IGBT is
The core component of power module, uses cooling water for the IGBT heat dissipation in power module, and closed cooling water recirculation system mentions
For power, cooling water is recycled to by pipeline by the water-cooled radiator contacted with IGBT substrate, passes through water-cooled radiator inside stream
The cooling water of road circulation takes away heat, is transferred in atmospheric environment eventually by heat exchange equipment, guarantees converter valve power device
IGBT is operated within safe temperature.
Only a kind of power module in traditional change of current valve tower, that is, what is connected is full bridge power module entirely, or connection is entirely
Half-bridge power module, although the waste problem of cooling water is not present in such singular association mode, with flexible DC transmission
The development of technology and the research and development demand of large capacity converter valve power cell, the change of current valve tower effect of traditional this single power module
Rate and degraded performance, are unable to satisfy demand.It is different with calorific value by two different structures to need to design a kind of change of current valve tower
Power module mixed connection composition, and full-bridge and half-bridge power module have different sets of numbers in the change of current valve tower of a mixed connection
It closes.The design of the change of current valve tower of this mixed connection needs to overcome the problems, such as: the power device used by full-bridge and half-bridge power module
Part IGBT quantity is different and calorific value is different, therefore respectively required cooling water flow is also different.Using traditional cooling water channel
Design method has been unable to satisfy demand, if increasing the flow on main water inlet tube road, certainly will will cause the waste of cooling water.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides the changes of current of a kind of full-bridge and half-bridge power module mixed connection
Valve tower water distribution system and design method, its object is to meet the development of flexible DC transmission technology and large capacity converter valve power
The research and development demand of unit realizes that full-bridge and the respective cooling water flow of half-bridge power module distribute automatically in mixed connection valve tower, full-bridge
Respective cooling water flow is uniform between half-bridge power module, avoids the waste of cooling water.
In order to solve the above technical problems, the present invention is achieved by following scheme:
A kind of change of current valve tower water distribution system of full-bridge and half-bridge power module mixed connection, including main water inlet tube road, main water return tube
Road and several power module water cooling components, the main water inlet tube road are connected with interlayer transverse water inlet pipe, the main water return tube road
It is connected with interlayer return water transverse tube；The power module water cooling component includes full bridge power module water cooling component and half-bridge power module
Water inlet pipe and water outlet branch are respectively connected on water cooling component, full bridge power module water cooling component and half-bridge power module water cooling component
Pipe, one end of the water inlet pipe are connect with interlayer transverse water inlet pipe, and one end of the exit branch is connect with interlayer return water transverse tube；
The main water inlet tube road, interlayer transverse water inlet pipe, water inlet pipe, exit branch, interlayer return water transverse tube and main water return tube road successively connect
It is logical to constitute circulation waterway；The flow resistance of each full bridge power module water cooling component is equal to the stream of each half-bridge power module water cooling component
Resistance.
Further, full bridge power module water cooling component and half-bridge power module water cooling modules in parallel are in interlayer transverse water inlet pipe
On interlayer return water transverse tube.
Further, the center between the water inlet pipe and exit branch of the full bridge power module water cooling component is away from being equal to
Center between the water inlet pipe and exit branch of half-bridge power module water cooling component away from.
Further, identical interface, full bridge power module water are provided on interlayer transverse water inlet pipe and interlayer return water transverse tube
The water inlet pipe of cold component and the interface of exit branch, with the water inlet pipe of half-bridge power module water cooling component and exit branch
Interface is identical.
Further, the diameter of the water inlet pipe of the full bridge power module water cooling component is equal to half-bridge power module water cooling
The diameter of the diameter of the water inlet pipe of component, the exit branch of the full bridge power module water cooling component is equal to half-bridge power module
The diameter of the exit branch of water cooling component.
Further, in the water inlet pipe of the full bridge power module water cooling component or half-bridge power module water cooling component
Damping unit is provided in water inlet pipe.
Further, the damping unit is pipeline, and the outer diameter of pipeline is less than water inlet pipe internal diameter, and pipeline setting is being intake
Branch pipe wall.
Further, the described one end of main water inlet tube great distance from its water inlet is provided with exhaust valve, the main water return tube road
One end far from its water outlet is provided with exhaust valve.
Further, the full bridge power module water cooling component includes five cold plates, the half-bridge power module water cooling group
Part includes three cold plates.
The design method of a kind of full-bridge and the change of current valve tower water distribution system of half-bridge power module mixed connection, firstly, flat by heat
Cooling flow Q1 and each half-bridge power module water cooling component needed for weighing apparatus equation calculation goes out each full bridge power module water cooling component
Required cooling flow Q2；Then, the cooling flow Q2 according to needed for half-bridge power module water cooling component, determines half-bridge power module water
The flow passage structure of cold component, and calculate the flow resistance R of half-bridge power module water cooling componentHalf；Then, according to full bridge power module water
Cooling flow Q1 needed for cold component adjusts the flow passage structure of full bridge power module water cooling component, so that full bridge power module water cooling
The flow resistance R of componentEntirelyEqual to the flow resistance R of half-bridge power module water cooling componentHalf；Finally, processing full bridge power module water cooling component and
Half-bridge power module water cooling component sample, to the flow resistance R of full bridge power module water cooling componentEntirelyAnd half-bridge power module water cooling group
The flow resistance R of partHalfIt is finely adjusted.
Compared with prior art, the present invention at least has the advantages that the present invention includes main water inlet tube road, main return water
Pipeline and several power module water cooling components, main water inlet tube road are connected with interlayer transverse water inlet pipe, and main water return tube road is connected with
Interlayer return water transverse tube；Power module water cooling component includes full bridge power module water cooling component and half-bridge power module water cooling component,
Water inlet pipe and exit branch, water inlet branch are respectively connected on full bridge power module water cooling component and half-bridge power module water cooling component
One end of pipe is connect with interlayer transverse water inlet pipe, and one end of exit branch is connect with interlayer return water transverse tube；Main water inlet tube road, interlayer into
Water transverse tube, water inlet pipe, exit branch, interlayer return water transverse tube and main water return tube road are sequentially communicated composition circulation waterway, i.e., will be complete
Bridge power module water cooling component and half-bridge power module water cooling component mixed connection are met flexible straight in change of current valve tower water distribution system
Flow the development of technology of transmission of electricity and the research and development demand of large capacity converter valve power cell；Again because of each full bridge power mould of the invention
The flow resistance of block water cooling component is equal to the flow resistance of each half-bridge power module water cooling component, allows each power module water cooling component
After flow resistance is identical, the cooling water of interlayer transverse water inlet pipe is necessarily evenly distributed to full bridge power module water cooling component and half-bridge power
In module water cooling component, realize that full bridge power module water cooling component and half-bridge power module water cooling component are respective in mixed connection valve tower
The automatic distribution of cooling water flow, full bridge power module water cooling component and the respective cooling water of half-bridge power module water cooling inter-module
Uniform flow avoids the waste of cooling water；The flow resistance of full bridge power module water cooling component is equal to each half-bridge power module water cooling
After the flow resistance of component, the diameter by increasing main water inlet tube road is no longer needed to increase the flow of cooling water, and then can be effective
Saving production cost.
Further, the center between the water inlet pipe and exit branch of full bridge power module water cooling component is away from equal to half-bridge
Center between the water inlet pipe and exit branch of power module water cooling component is away from interlayer transverse water inlet pipe and interlayer return water transverse tube
It is provided with identical interface, the water inlet pipe of full bridge power module water cooling component and the interface of exit branch, with half-bridge power mould
The water inlet pipe of block water cooling component is identical with the interface of exit branch, in this way, needing according to the actual situation, can make full-bridge function
It can arbitrarily be replaced between rate module water cooling component and half-bridge power module water cooling component.
Further, in the water inlet pipe of full bridge power module water cooling component or the water inlet of half-bridge power module water cooling component
Damping unit, the flow resistance of the adjustable power module water cooling component of damping unit, i.e., in actual use process are provided in branch pipe
In, if the flow resistance of full bridge power module water cooling component and half-bridge power module water cooling component occur and have fine difference, by giving
The water inlet pipe of the lesser power module water cooling component of flow resistance adds damping unit, carries out to the flow resistance of power module water cooling component
Fine tuning, so that full bridge power module water cooling component is identical with the flow resistance of half-bridge power module water cooling component, so that full-bridge function
Rate module water cooling component and the respective cooling water flow of half-bridge power module water cooling inter-module are uniform, avoid the waste of cooling water.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate more clearly of the technical solution in the specific embodiment of the invention, specific embodiment will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is some realities of the invention
Mode is applied, it for those of ordinary skill in the art, without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is overall flow schematic diagram of the invention；
Fig. 2 is full bridge power module water cooling component structure diagram in Fig. 1；
Fig. 3 is half-bridge power module water cooling component structure diagram in Fig. 1.
In figure: 1- main water inlet tube road；2- main water return tube road；3- interlayer transverse water inlet pipe；4- interlayer return water transverse tube；5- water inlet branch
Pipe；6- return branch；7- exhaust valve；8- damping unit.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of change of current valve tower water distribution system of full-bridge and half-bridge power module mixed connection of the present invention, including it is main into
Water lines 1, main water return tube road 2, interlayer transverse water inlet pipe 3, interlayer return water transverse tube 4, water inlet pipe 5, return branch 6 and several power
Module water cooling component is connected with interlayer transverse water inlet pipe 3 on main water inlet tube road 1, interlayer return water transverse tube is connected on main water return tube road 2
4；Power module water cooling component includes full bridge power module water cooling component and half-bridge power module water cooling component, full bridge power module
Water inlet pipe 5 and exit branch 6, one end of water inlet pipe 5 are respectively connected on water cooling component and half-bridge power module water cooling component
It is connect with interlayer transverse water inlet pipe 3, one end of exit branch 6 is connect with interlayer return water transverse tube 4, and full bridge power module water cooling component
With half-bridge power module water cooling modules in parallel in interlayer transverse water inlet pipe 3 and interlayer return water transverse tube 4.Main water inlet tube road 1, interlayer into
Water transverse tube 3, water inlet pipe 5, exit branch 6, interlayer return water transverse tube 4 and main water return tube road 2 are sequentially communicated composition circulation waterway.Often
The flow resistance of a full bridge power module water cooling component is equal to the flow resistance of each half-bridge power module water cooling component.Main water inlet tube road 1 is remote
One end from its water inlet is provided with exhaust valve 7, and main water return tube road 2 is provided with exhaust valve 7 far from one end of its water outlet.
As a certain preferred embodiment of the invention, the water inlet pipe 5 and exit branch 5 of full bridge power module water cooling component
Between center away from be equal to half-bridge power module water cooling component water inlet pipe 5 and exit branch 6 between center away from.Full-bridge function
The diameter of the water inlet pipe 5 of rate module water cooling component is equal to the diameter of the water inlet pipe 5 of half-bridge power module water cooling component, described
The diameter of the exit branch 6 of full bridge power module water cooling component is equal to the straight of the exit branch 6 of half-bridge power module water cooling component
Diameter.Identical interface, the water inlet of full bridge power module water cooling component are provided in interlayer transverse water inlet pipe 3 and interlayer return water transverse tube 4
The interface of branch pipe 5 and exit branch 6, with the water inlet pipe 5 of half-bridge power module water cooling component and the interface phase of exit branch 6
Together, it needs according to the actual situation, can make can between full bridge power module water cooling component and half-bridge power module water cooling component
Arbitrarily to replace.
As a certain preferred embodiment of the invention, in order to full bridge power module water cooling component and half-bridge power module water
The flow resistance of cold component is finely adjusted, in the water inlet pipe 5 of full bridge power module water cooling component or half-bridge power module water cooling group
Damping unit 8 is provided in the water inlet pipe 5 of part.Preferably, damping unit 8 is pipeline, and the outer diameter of pipeline is less than water inlet pipe 5
Internal diameter, pipeline are welded on 5 inner wall of water inlet pipe, and such setting can be played effectively to power module water cooling component flow resistance
Adjustment effect.
As shown in Figures 2 and 3, full bridge power module water cooling component of the invention includes five cold plates, half-bridge power module
Water cooling component includes three cold plates.Obvious, if do not carried out to the runner of five cold plates of full bridge power module water cooling component
It optimizes and revises, flow resistance is naturally larger than the flow resistance of three cold plates of half-bridge power module water cooling component.Flow resistance is different, it will causes
The distribution of cooling water is uneven, the flow for the cooling water for causing full bridge power mould to be unable to satisfy needed for it.
As a certain preferred embodiment of the invention, the converter valve of a kind of full-bridge and half-bridge power module mixed connection of the invention
The design method of tower water distribution system are as follows: firstly, being calculated needed for each full bridge power module water cooling component by equation of heat balance
Cooling flow Q2 needed for cooling flow Q1 and each half-bridge power module water cooling component；Then, according to half-bridge power module water cooling
Cooling flow Q2 needed for component, determines the flow passage structure of half-bridge power module water cooling component, and calculates half-bridge power module water
The flow resistance R of cold componentHalf；Then, the cooling flow Q1 according to needed for full bridge power module water cooling component is adjusted complete by emulation experiment
The flow passage structure of bridge power module water cooling component, so that the flow resistance R of full bridge power module water cooling componentEntirelyEqual to half-bridge power module
The flow resistance R of water cooling componentHalf, after making the flow resistance of each power module water cooling component identical, the cooling water of interlayer transverse water inlet pipe 4 must
It is so evenly distributed in full bridge power module water cooling component and half-bridge power module water cooling component, realizes full-bridge in mixed connection valve tower
The automatic distribution of power module water cooling component and the respective cooling water flow of half-bridge power module water cooling component, full bridge power module
Water cooling component and the respective cooling water flow of half-bridge power module water cooling inter-module are uniform, avoid the waste of cooling water；Finally, plus
Work full bridge power module water cooling component and half-bridge power module water cooling component sample, by field test to full bridge power module water
The flow resistance R of cold componentEntirelyAnd the flow resistance R of half-bridge power module water cooling componentHalfIt is finely adjusted, it is preferable that in full bridge power module
Damping unit 8 is added in the water inlet pipe 5 of water cooling component or in the water inlet pipe 5 of half-bridge power module water cooling component, for example, resistance
Buddhist nun's device 8 is pipeline, and the outer diameter of pipeline is less than 5 internal diameter of water inlet pipe, and pipeline is welded on 5 inner wall of water inlet pipe, such setting
The fine tuning adjustment effect to power module water cooling component flow resistance can effectively be played.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. the change of current valve tower water distribution system of a kind of full-bridge and half-bridge power module mixed connection, it is characterised in that: including main water inlet tube road
(1), main water return tube road (2) and several power module water cooling components are connected with interlayer transverse water inlet pipe on the main water inlet tube road (1)
(3), interlayer return water transverse tube (4) is connected on the main water return tube road (2)；The power module water cooling component includes full bridge power
Module water cooling component and half-bridge power module water cooling component, full bridge power module water cooling component and half-bridge power module water cooling component
On be respectively connected with water inlet pipe (5) and exit branch (6), one end and interlayer transverse water inlet pipe (3) of the water inlet pipe (5) are even
It connects, one end of the exit branch (6) is connect with interlayer return water transverse tube (4)；The main water inlet tube road (1), interlayer transverse water inlet pipe
(3), water inlet pipe (5), exit branch (6), interlayer return water transverse tube (4) and main water return tube road (2) are sequentially communicated composition recirculated water
Road；The flow resistance of each full bridge power module water cooling component is equal to the flow resistance of each half-bridge power module water cooling component.
2. the change of current valve tower water distribution system of a kind of full-bridge according to claim 1 and half-bridge power module mixed connection, feature
Be: full bridge power module water cooling component and half-bridge power module water cooling modules in parallel are returned in interlayer transverse water inlet pipe (3) and interlayer
On water transverse tube (4).
3. the change of current valve tower water distribution system of a kind of full-bridge according to claim 1 and half-bridge power module mixed connection, feature
Be: the center between the water inlet pipe (5) and exit branch (6) of the full bridge power module water cooling component is away from equal to half-bridge function
Center between the water inlet pipe (5) and exit branch (6) of rate module water cooling component away from.
4. the change of current valve tower water distribution system of a kind of full-bridge according to claim 3 and half-bridge power module mixed connection, feature
It is: is provided with identical interface, full bridge power module water cooling component in interlayer transverse water inlet pipe (3) and interlayer return water transverse tube (4)
Water inlet pipe (5) and exit branch (6) interface, with the water inlet pipe (5) of half-bridge power module water cooling component and water outlet branch
The interface for managing (6) is identical.
5. the change of current valve tower water distribution system of a kind of full-bridge according to claim 1 and half-bridge power module mixed connection, feature
Be: the diameter of the water inlet pipe (5) of the full bridge power module water cooling component be equal to half-bridge power module water cooling component into
The diameter of the diameter of water branch pipe (5), the exit branch (6) of the full bridge power module water cooling component is equal to half-bridge power module water
The diameter of the exit branch (6) of cold component.
6. the change of current valve tower water distribution system of a kind of full-bridge according to claim 1 and half-bridge power module mixed connection, feature
It is: in the water inlet pipe (5) of the full bridge power module water cooling component or the water inlet pipe of half-bridge power module water cooling component
(5) damping unit (8) are provided in.
7. the change of current valve tower water distribution system of a kind of full-bridge according to claim 6 and half-bridge power module mixed connection, feature
Be: the damping unit (8) is pipeline, and the outer diameter of pipeline is less than water inlet pipe (5) internal diameter, and pipeline is arranged in water inlet pipe
(5) inner wall.
8. the change of current valve tower water distribution system of a kind of full-bridge according to claim 1 and half-bridge power module mixed connection, feature
Be: the main water inlet tube road (1) is provided with exhaust valve (7) far from one end of its water inlet, and the main water return tube road (2) is separate
One end of its water outlet is provided with exhaust valve (7).
9. the change of current valve tower water distribution system of a kind of full-bridge according to claim 1 and half-bridge power module mixed connection, feature
Be: the full bridge power module water cooling component includes five cold plates, and the half-bridge power module water cooling component includes three cold
Plate.
10. the design method of change of current valve tower water distribution system according to claims 1 to 9, it is characterised in that: firstly, passing through
Cooling flow Q1 needed for equation of heat balance calculates each full bridge power module water cooling component and each half-bridge power module water cooling
Cooling flow Q2 needed for component；Then, the cooling flow Q2 according to needed for half-bridge power module water cooling component, determines half-bridge power mould
The flow passage structure of block water cooling component, and calculate the flow resistance R of half-bridge power module water cooling componentHalf；Then, according to full bridge power mould
Cooling flow Q1 needed for block water cooling component adjusts the flow passage structure of full bridge power module water cooling component, so that full bridge power module
The flow resistance R of water cooling componentEntirelyEqual to the flow resistance R of half-bridge power module water cooling componentHalf；Finally, processing full bridge power module water cooling group
Part and half-bridge power module water cooling component sample, to the flow resistance R of full bridge power module water cooling componentEntirelyAnd half-bridge power module water
The flow resistance R of cold componentHalfIt is finely adjusted.
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| CN105244332A (en) * | 2015-08-31 | 2016-01-13 | 特变电工新疆新能源股份有限公司 | Large power StakPak IGBT heat dissipation device used for flexible direct-current converter valve unit |
| CN207542237U (en) * | 2017-08-21 | 2018-06-26 | 特变电工新疆新能源股份有限公司 | A kind of converter valve power cell water-cooling heat radiating system based on Stakpak devices |
| CN108495529A (en) * | 2018-04-17 | 2018-09-04 | 全球能源互联网研究院有限公司 | A kind of converter valve cooling water channel |
| CN210380667U (en) * | 2018-12-14 | 2020-04-21 | 特变电工西安柔性输配电有限公司 | Converter valve tower water distribution system with full-bridge and half-bridge power modules in series-parallel connection |
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