CN118399772A - Water-cooling power module of high-power energy storage converter equipment - Google Patents
Water-cooling power module of high-power energy storage converter equipment Download PDFInfo
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- CN118399772A CN118399772A CN202410495323.6A CN202410495323A CN118399772A CN 118399772 A CN118399772 A CN 118399772A CN 202410495323 A CN202410495323 A CN 202410495323A CN 118399772 A CN118399772 A CN 118399772A
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- capacitor
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- 238000001816 cooling Methods 0.000 title claims abstract description 73
- 238000004146 energy storage Methods 0.000 title claims abstract description 24
- 150000001879 copper Chemical class 0.000 claims abstract description 69
- 239000003990 capacitor Substances 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000012212 insulator Substances 0.000 claims description 12
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 15
- 238000013461 design Methods 0.000 description 17
- 238000012423 maintenance Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
-
- 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
-
- 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
- H02M7/66—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal
- H02M7/68—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters
- H02M7/72—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/797—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inverter Devices (AREA)
Abstract
The invention provides a water-cooling power module of high-power energy storage converter equipment, which comprises a capacitor module and an IGBT module; the capacitor module comprises a capacitor mounting frame and a bus capacitor, and the bus capacitor is electrically connected with the first direct-current laminated copper busbar; in the IGBT module, a water cooling plate is arranged on a water cooling plate installation frame, and an IGBT outer tube module and an IGBT inner tube module are respectively arranged on two sides of the water cooling plate and are electrically connected through an alternating current laminated copper busbar; meanwhile, the IGBT outer tube module is connected with the second direct current laminated copper busbar, and the IGBT inner tube module is connected with the alternating current output copper busbar to realize alternating current output; the IGBT module is fixedly connected with the capacitor module in a detachable mode. The water-cooling power module provided by the invention can effectively improve the heat dissipation efficiency of the power module and reduce the volume of the power module.
Description
Technical Field
The invention relates to the field of energy storage converters, in particular to a water-cooling power module of high-power energy storage converter equipment.
Background
An energy storage converter (PCS) is power conversion equipment capable of realizing bidirectional energy conversion between a power grid and an energy storage system, and has the characteristics of high efficiency, quick response, high reliability, strong flexibility and the like. The energy storage converter (PCS) can control the charging and discharging processes of the storage battery to perform alternating current-direct current conversion, and can directly supply power for an alternating current load under the condition of no power grid. The PCS is composed of a DC/AC bidirectional converter power module, a control unit and the like. The PCS controller receives a background control instruction through communication, and controls the converter to charge or discharge the battery according to the sign and the size of the power instruction, so that the active power and the reactive power of the power grid are regulated.
The conventional energy storage converter power module generally adopts an air cooling mode to perform heat dissipation treatment, and has large occupied space and low heat exchange efficiency. Therefore, each phase of the conventional alternating current three phases generally adopts one heat dissipation module, three sets of heat dissipation modules are needed in the whole, and three sets of heat dissipation air channels are needed to be established.
Meanwhile, an individual liquid cooling scheme exists, and an application case that three-phase IGBT is adopted in the same water cooling plate is adopted. The water cooling plate has lower heat dissipation efficiency and larger water cooling flow requirement.
Disclosure of Invention
The water-cooling power module of the high-power energy storage converter equipment is provided for solving the problems in the prior art, and adopts an efficient liquid-cooling mode, and the heat dissipation efficiency of the power module can be effectively improved and the volume of the power module is reduced through the design of the integral metal frame, the insulating part bracket, the three laminated copper busbar and the water-cooling plate.
The technical scheme adopted by the invention is as follows: a water-cooling power module of high-power energy storage converter equipment comprises a capacitor module and an IGBT module;
The capacitor module comprises a capacitor mounting frame and a bus capacitor mounted in the capacitor mounting frame, wherein a first direct-current laminated copper busbar is arranged on the capacitor mounting frame, and the bus capacitor is electrically connected with the first direct-current laminated copper busbar;
The IGBT module comprises a water cooling plate mounting frame, a water cooling plate, an IGBT outer tube module, an IGBT inner tube module, a second direct current laminated copper busbar, an alternating current laminated copper busbar and an alternating current output copper busbar; the IGBT outer tube module and the IGBT inner tube module are respectively arranged on two sides of the water cooling plate and are electrically connected through an alternating current laminated copper busbar; simultaneously, the IGBT outer tube module is electrically connected with a second direct current laminated copper busbar, and the IGBT inner tube module is electrically connected with an alternating current output copper busbar to realize alternating current output;
The IGBT module is fixed with a capacitor mounting frame of the capacitor module in a detachable mode, and after the IGBT module is fixed, the first direct-current laminated copper busbar is electrically connected with the second direct-current laminated copper busbar.
As a preferred scheme, the IGBT module includes three pairs of IGBT outer tube modules and IGBT inner tube modules, wherein, IGBT outer tube modules and IGBT inner tube modules are installed respectively in the water cooling board two sides, and same looks IGBT outer tube modules and IGBT inner tube modules pass through respective exchange stromatolite copper busbar electrical connection, and each IGBT inner tube module realizes exchanging output through respective exchange output copper bar, and each IGBT outer tube module is connected to the second direct current stromatolite copper busbar.
As a preferred solution, the capacitor module further comprises an insulator bracket, which is disposed in the capacitor mounting frame and is used for integrally fixing the bus capacitor and the first dc laminated copper busbar.
As a preferable scheme, the upper surface and the lower surface of the first direct-current laminated copper busbar are provided with fastening installation threaded holes corresponding to the insulator bracket, and the fastening installation threaded holes and the insulator bracket are fixedly connected through bolts.
As a preferable scheme, in the IGBT module, a through hole is formed in the middle of the water cooling plate, and the through hole is used for installing the alternating current laminated copper busbar to realize the electrical connection of the same-phase IGBT outer tube module and the IGBT inner tube module.
As a preferable scheme, the alternating-current laminated copper busbar is of a C-shaped design, one end of the alternating-current laminated copper busbar is connected with the IGBT inner tube module, and the other end of the alternating-current laminated copper busbar penetrates through the water cooling plate to be connected with the IGBT outer tube module.
As a preferable scheme, the second direct current laminated copper busbar is in a Z-shaped design, one end of the second direct current laminated copper busbar is connected with the IGBT outer tube module, and the other end of the second direct current laminated copper busbar is electrically connected with the first direct current laminated copper busbar.
As a preferable scheme, screw holes are formed in the water cooling plate mounting frame and the capacitor mounting frame, and the capacitor module and the IGBT module are detachably mounted through the screw holes in cooperation with bolts.
As a preferable scheme, one surface of the capacitor mounting frame in the capacitor module is fixedly mounted through a baffle, and the other surface of the capacitor mounting frame is fixedly connected with the water cooling plate mounting frame.
As a preferable scheme, the upper end and the lower end of the water-cooling plate module are respectively fixed with the water-cooling plate installation frame, and a cooling liquid input/output port is formed on one side far away from the first direct-current laminated copper busbar.
Compared with the prior art, the beneficial effects of adopting the technical scheme are as follows:
1. In the integrated power module combination mode, the capacitor module and the IGBT module are designed in a split mode, are synchronously assembled, are convenient to mount and maintain in subsequent combination, are relatively independent in subsequent maintenance, and do not need to be integrally dismantled. The whole power module is regular in design, square in appearance and attractive in appearance.
2. The IGBT water-cooling module is designed, and through the special-shaped laminated copper busbar design and the hole digging water-cooling plate design, the overall IGBT module has high heat dissipation efficiency and small module volume. The temperature difference between different phase circuits is small, the wiring is completely universal, the lengths are completely the same, and the line noise is effectively reduced.
3. The design of the hole digging water cooling plate effectively utilizes the water cooling efficient heat dissipation space, does not influence the electric connection and the control line wiring between the IGBT modules, and achieves the effect of three-phase temperature balance. And (5) reasonable layout.
4. And due to the design of the special-shaped laminated copper busbar, a large number of IGBTs of the high-power energy storage converter are effectively integrated, electric connection is completed, and the problems of IGBT installation errors and subsequent maintenance on the double-sided water cooling plate are effectively solved.
Drawings
Fig. 1 is an overall schematic diagram of a water-cooled power module of a high-power energy storage converter device according to the present invention.
Fig. 2 is another schematic view of a water-cooled power module of a high-power energy storage converter device according to the present invention.
Fig. 3 is a schematic diagram of an IGBT module according to an embodiment of the invention.
FIG. 4 is a schematic view of a water cooled panel without IGTB mounted thereon according to an embodiment of the invention.
Fig. 5 is a schematic diagram of IGBT connection according to an embodiment of the invention.
Reference numerals: the device comprises a 1-capacitor mounting frame, a 2-first insulating part support, a 3-second insulating part support, a 4-third insulating part support, a 5-fourth insulating part support, a 6-bus capacitor, a 7-first direct current laminated copper busbar, an 8-second direct current laminated copper busbar, a 9-alternating current laminated copper busbar, a 10-IGBT outer tube module, an 11-IGBT inner tube module, a 12-water cooling plate, a 13-water cooling plate mounting frame and a 14-alternating current output copper busbar.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar modules or modules having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application. On the contrary, the embodiments of the application include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.
In order to solve the problems of low heat dissipation efficiency and large size of a power module in the existing scheme, the embodiment of the invention provides a water-cooling power module of high-power energy storage converter equipment, which can effectively improve the heat dissipation efficiency of the power module and reduce the size of the power module.
Referring to fig. 1 to 4, the water-cooling power module of the high-power energy storage converter device mainly comprises a capacitor module and an IGBT module, and can be installed in a dispersed and synchronous manner in the production and assembly process, and finally, the electrical connection combination and the fastening installation combination are completed.
With continued reference to fig. 1, the capacitor module mainly includes a capacitor mounting frame 1, a bus capacitor 6, and a first dc laminated copper busbar 7. In this embodiment, the number of bus capacitors 6 is selected according to the requirement, and the tail ends of the bus capacitors 6 with the designed number are mounted on the capacitor mounting frame 1. One surface of the capacitor mounting frame 1 in the embodiment is fixed by adopting a baffle plate, and the other surface is electrically connected.
In order to ensure the installation stability of the bus capacitor 6, in this embodiment, an insulator bracket (including the first insulator bracket 2, the second insulator bracket 3, the third insulator bracket 4, and the fourth insulator bracket 5) is further configured to implement the integral installation of the capacitor module. The first direct current laminated copper busbar 7 is arranged on the insulating bracket, and the surface of the first direct current laminated copper busbar 7 is correspondingly provided with an electrical connection point of the busbar capacitor 6; simultaneously, the upper and lower surfaces of the first direct current laminated copper busbar 7 are provided with fastening installation threaded holes corresponding to the insulator brackets, so that the fixed installation is realized. In other embodiments, if the first dc laminated copper busbar 7 is directly mounted on the capacitor mounting frame 1, insulation treatment is required for the two joints.
With continued reference to fig. 2 and 3, the IGBT module includes a second dc laminated copper busbar 8, an ac laminated copper busbar 9, an IGBT outer tube module 10, an IGBT inner tube module 11, a water cooling plate 12, a water cooling plate mounting frame 13, and an ac output copper busbar 14. The water cooling plate 12 is arranged in the water cooling plate mounting frame 13, and the IGBT outer tube module 10 and the IGBT inner tube module 11 are respectively arranged on two sides of the water cooling plate 12 and are electrically connected through the alternating current laminated copper busbar 9; the second direct current laminated copper busbar 8 is connected with the IGBT outer tube module 10 and is used for being electrically connected with the first direct current laminated copper busbar, and the alternating current output copper busbar 14 is connected with the IGBT inner tube module 11 to realize alternating current output.
In this embodiment, 3 pairs of IGBT outer tube modules 10 and IGBT inner tube modules 11 are included, each pair corresponding to each phase of the three-phase alternating current. Specifically, 3 pairs of IGBT outer tube modules 10 and IGBT outer tube modules 10 in the IGBT inner tube modules 11 are all installed on one side of the water cooling plate 12, the IGBT inner tube modules 11 are all installed on the other side of the water cooling plate 12, and each pair of IGBT outer tube modules 10 corresponds to the IGBT inner tube modules 11 in position.
In order to effectively utilize the water cooling space, electrical connection and control line wiring among IGBT modules are not affected, the effect of three-phase temperature balance is achieved, and reasonable layout is achieved. In this embodiment, referring to fig. 4, two through holes are formed in the water cooling plate 12, and the through holes are used for electrically connecting the IGTB inner tube modules 11 and the IGBT outer tube modules on two sides of the water cooling plate, wherein the IGBT inner tube modules 11 and the IGBT outer tube modules 10 of the same phase are electrically connected through respective ac laminated copper bus bars 9. Through digging 2 through holes in the middle of the water cooling plate 12, three-phase electric branches can be connected onto the same water cooling branch, so that temperature differences among different phases are reduced, and control circuit connection lines are reduced.
As shown in fig. 5, the IGBT inner tube module 11 and the IGBT outer tube module 10 are connected in a schematic way, the left side is an ac side, and the right side is a dc side; through integrating the same IGBT outer tube module 10 (8 IGBTs) and the same IGBT inner tube module 11 (4 IGBTs) on two sides of the same water cooling plate 12, and through the through holes of the water cooling plate 12, the electric connection between the IGBT inner tube and the outer tube module is realized, and the volume of the whole power module is effectively reduced on the basis of improving the heat dissipation efficiency of the water cooling plate 12.
In this embodiment, the same includes 3 ac output copper bars 14, which are respectively connected with the corresponding IGBT inner tube modules 11 to realize ac output.
In the installation process of the water cooling plate 12, the upper end and the lower end of the water cooling plate 12 are fixed on an installation frame 13 of the water cooling plate 12, and the installation frame plays a role of a bracket in the installation process, so that the IGBT on the front side and the back side and the related driving plates of the IGBT are effectively prevented from being subjected to interference deformation. The water cooling plate 12 is provided with a cooling liquid input/output port at one side far away from the first direct current laminated copper busbar 7. In the embodiment, the IGBT module is designed through the special-shaped laminated copper busbar design and the hole digging water cooling plate 12, so that the overall IGBT module has high heat dissipation efficiency and small module volume. The temperature difference between different phase circuits is small, the wiring is completely universal, the lengths are completely the same, and the line noise is effectively reduced.
The aforementioned capacitor module and the IGBT module are combined to obtain a desired power module, the IGBT module is detachably fixed to the capacitor mounting frame 1 of the capacitor module, and after the fixation, the first dc laminated copper busbar 7 is electrically connected to the second dc laminated copper busbar 8. During the installation process, it is necessary to ensure whether the installation fixing hole site and the electrical connection hole site are verified. In one embodiment, the water cooling plate 12 mounting frame 13 and the capacitor mounting frame 1 are provided with threaded holes, and the capacitor module and the IGBT module are detachably mounted through the threaded holes in cooperation with bolts. The integral power module adopts a combination mode, the capacitor module and the IGBT module are designed in a split mode, the capacitor module and the IGBT module are assembled synchronously, the subsequent combination is convenient to install and maintain, the subsequent maintenance is relatively independent, and the integral dismantling is not needed. The whole power module is regular in design, square in appearance and attractive in appearance.
In one embodiment, the ac laminated copper busbar 9 is of a C-shaped design, one end of which is connected to the IGBT inner tube module 11, and the other end of which is connected to the IGBT outer tube module 10 through a through hole of the water cooling plate 12. The special-shaped alternating current laminated copper busbar 9 is designed, a large number of IGBTs of the high-power energy storage converter are effectively integrated, electric connection is completed, and the problems of IGBT installation errors and subsequent maintenance on the double-sided water cooling plate 12 are effectively solved.
In one embodiment, the second dc stacked copper busbar 8 is Z-shaped in design, with one end connected to the IGBT outer tube module 10 and the other end electrically connected to the first dc stacked copper busbar 7.
The working process of the water-cooling power module of the high-power energy storage converter device provided by the invention is further described below with reference to fig. 1 to 5.
Under the rectifying working condition, three-phase current enters the IGBT inner tube module 11 through the alternating current output copper bar 14, the current enters the IGBT outer tube module 10 through the alternating current laminated copper busbar 9 in the next step, and then reaches the second direct current laminated copper busbar 8, and as the electric connection point of the integral IGBT module and the capacitor module is between the first direct current laminated copper busbar 7 and the second direct current laminated copper busbar 8, the direct current laminated copper busbar 7 is connected with the busbar capacitor 6 in parallel, and the output is completed.
Under the inversion working condition, the positive and negative stages are connected with the busbar capacitor 6 in parallel through the first direct-current laminated copper busbar 7, enter the second direct-current laminated copper busbar 8 in the next step, then flow to the IGBT outer tube module 10, enter the IGBT inner tube module 11 through the alternating-current laminated copper busbar 9 in the next step, and finally three-phase current is output through the alternating-current output copper busbar 14.
The water-cooling power module provided by the embodiment has the following advantages:
1. In the integrated power module combination mode, the capacitor module and the IGBT module are designed in a split mode, are synchronously assembled, are convenient to mount and maintain in subsequent combination, are relatively independent in subsequent maintenance, and do not need to be integrally dismantled. The whole power module is regular in design, square in appearance and attractive in appearance.
2. The IGBT water-cooling module is designed, and through the special-shaped laminated copper busbar design and the hole digging water-cooling plate design, the overall IGBT module has high heat dissipation efficiency and small module volume. The temperature difference between different phase circuits is small, the wiring is completely universal, the lengths are completely the same, and the line noise is effectively reduced.
3. The design of the hole digging water cooling plate effectively utilizes the water cooling efficient heat dissipation space, does not influence the electric connection and the control line wiring between the IGBT modules, and achieves the effect of three-phase temperature balance. And (5) reasonable layout.
4. And due to the design of the special-shaped laminated copper busbar, a large number of IGBTs of the high-power energy storage converter are effectively integrated, electric connection is completed, and the problems of IGBT installation errors and subsequent maintenance on the double-sided water cooling plate are effectively solved.
It should be noted that, in the description of the embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in detail by those skilled in the art; the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (10)
1. The water-cooling power module of the high-power energy storage converter equipment is characterized by comprising a capacitor module and an IGBT module;
the capacitor module comprises a capacitor mounting frame and a bus capacitor mounted in the capacitor mounting frame, and the bus capacitor is electrically connected with the first direct-current laminated copper busbar;
The IGBT module comprises a water cooling plate mounting frame, a water cooling plate, an IGBT outer tube module, an IGBT inner tube module, a second direct current laminated copper busbar, an alternating current laminated copper busbar and an alternating current output copper busbar; the IGBT outer tube module and the IGBT inner tube module are respectively arranged on two sides of the water cooling plate and are electrically connected through an alternating current laminated copper busbar; simultaneously, the IGBT outer tube module is electrically connected with a second direct current laminated copper busbar, and the IGBT inner tube module is electrically connected with an alternating current output copper busbar to realize alternating current output;
The IGBT module is fixed with a capacitor mounting frame of the capacitor module in a detachable mode, and after the IGBT module is fixed, the first direct-current laminated copper busbar is electrically connected with the second direct-current laminated copper busbar.
2. The high power energy storage converter device water cooling power module of claim 1, wherein the IGBT module comprises three pairs of IGBT outer tube modules and IGBT inner tube modules, wherein the IGBT outer tube modules and the IGBT inner tube modules are respectively mounted on two sides of the water cooling plate, the same phase IGBT outer tube modules and IGBT inner tube modules are electrically connected through respective ac laminated copper busbar, each IGBT inner tube module realizes ac output through respective ac output copper busbar, and each IGBT outer tube module is connected to a second dc laminated copper busbar.
3. The high power energy storage converter plant water cooled power module of claim 1, wherein the capacitor module further comprises an insulator bracket disposed in the capacitor mounting frame for integrally securing the bus capacitor to the first dc laminated copper busbar.
4. The water-cooled power module of a high-power energy storage converter device according to claim 3, wherein fastening installation threaded holes corresponding to the insulator brackets are formed in the upper surface and the lower surface of the first direct-current laminated copper busbar, and the fastening installation threaded holes and the insulator brackets are fixedly connected through bolts.
5. The water-cooled power module of a high-power energy storage converter device according to claim 1 or 2, wherein in the IGBT module, a through hole is formed in the middle of the water-cooled plate, and the through hole is used for installing the ac laminated copper busbar to realize electrical connection of the IGBT outer tube module and the IGBT inner tube module of the same phase.
6. The water-cooled power module of claim 5, wherein the ac laminated copper busbar is C-shaped, with one end connected to the IGBT inner tube module and the other end connected to the IGBT outer tube module through a water cooling plate.
7. The water-cooled power module of claim 1, wherein the second dc stacked copper busbar is Z-shaped, with one end connected to the IGBT outer tube module and the other end electrically connected to the first dc stacked copper busbar.
8. The water-cooled power module of claim 1, wherein the water-cooled plate mounting frame and the capacitor mounting frame are provided with threaded holes, and the capacitor module and the IGBT module are detachably mounted by the threaded holes in cooperation with bolts.
9. The water-cooled power module of claim 1, wherein one face of the capacitor mounting frame in the capacitor module is mounted and fixed by a baffle, and the other face is used for being fixedly connected with the water-cooled plate mounting frame.
10. The water-cooled power module of claim 1, wherein the upper and lower ends of the water-cooled plate module are respectively fixed to the water-cooled plate mounting frame, and a cooling liquid input/output port is formed on a side far from the first dc laminated copper busbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410495323.6A CN118399772A (en) | 2024-04-24 | 2024-04-24 | Water-cooling power module of high-power energy storage converter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410495323.6A CN118399772A (en) | 2024-04-24 | 2024-04-24 | Water-cooling power module of high-power energy storage converter equipment |
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| CN118399772A true CN118399772A (en) | 2024-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410495323.6A Pending CN118399772A (en) | 2024-04-24 | 2024-04-24 | Water-cooling power module of high-power energy storage converter equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119697979A (en) * | 2024-11-29 | 2025-03-25 | 武汉船用电力推进装置研究所(中国船舶集团有限公司第七一二研究所) | A method for assembling a power module |
-
2024
- 2024-04-24 CN CN202410495323.6A patent/CN118399772A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119697979A (en) * | 2024-11-29 | 2025-03-25 | 武汉船用电力推进装置研究所(中国船舶集团有限公司第七一二研究所) | A method for assembling a power module |
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