CN209488460U - Power modules and power electronic equipment - Google Patents
Power modules and power electronic equipment Download PDFInfo
- Publication number
- CN209488460U CN209488460U CN201822016856.4U CN201822016856U CN209488460U CN 209488460 U CN209488460 U CN 209488460U CN 201822016856 U CN201822016856 U CN 201822016856U CN 209488460 U CN209488460 U CN 209488460U
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- China
- Prior art keywords
- power
- power module
- link capacitance
- electronic equipment
- module
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Classifications
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- 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
Abstract
It includes 3N single-phase power module, dc-link capacitance integrated morphology that the application, which discloses a kind of power modules and power electronic equipment, the power modules,；The 3N single-phase power module and the dc-link capacitance integrated morphology are fixed together；Wherein N is greater than or equal to 1.The application constitutes power modules by 3N single-phase power module and dc-link capacitance integrated morphology；Dc-link capacitance is not contained in single-phase power module, reduces the volume and weight of power module, reduces the cost of maintenance and improves maintenance efficiency；Dc-link capacitance integrated morphology Integrated design, reduces the ripple current of module.
Description
Technical field
This application involves power electronics field more particularly to a kind of power modules and power electronic equipments.
Background technique
As the single-machine capacity of wind power generating set has become development trend, wind to high-power development and offshore wind farm
Demand of the electric industry to highly integrated high-power converter also increasingly increases.Power modules are as the core inside wind electric converter
Device, the superiority and inferiority of performance directly determine the performance of entire wind electric converter, and the power grade and volume of power modules are directly determined
The power and volume of entire wind electric converter are determined.
As shown in Figure 1, the power modules of existing current transformer are by common DC busbar 13 by multiple power module parallels
Connection, each power module includes power device 11, dc-link capacitance 12, the alternating current bus bar connecting with power device 11
111, the module DC master row 112 being connect with power device 11, dc-link capacitance 12 and common DC busbar 13.
The program the problem is that, power modules occupied space size is larger, causes waste spatially；Single function
Rate module volume is big, weight weight, and on-site maintenance is difficult；DC side distance between module is remote, and ripple current is big.
Utility model content
In view of this, the application's is designed to provide a kind of power modules and power electronic equipment, to solve power
Mould group occupied space size is larger, causes waste spatially；Single power module volume is big, weight weight, and on-site maintenance is tired
It is difficult；DC side distance between module is remote, the big problem of ripple current.
It is as follows that the application solves technical solution used by above-mentioned technical problem:
According to the one aspect of the application, a kind of power modules provided, the power modules include 3N single-phase power
Module, dc-link capacitance integrated morphology；The 3N single-phase power module and the dc-link capacitance integrated morphology are fixed
It links together；Wherein N is greater than or equal to 1.
According to the one aspect of the application, a kind of power electronic equipment provided, the power electronic equipment includes above-mentioned
Power modules.
The power modules and power electronic equipment of the embodiment of the present application pass through 3N single-phase power module and DC bus
Capacitor integrated morphology constitutes power modules；Dc-link capacitance is not contained in single-phase power module, reduces the body of power module
Long-pending and weight reduces the cost of maintenance and improves maintenance efficiency；Dc-link capacitance integrated morphology Integrated design, reduces mould
The ripple current of block.
Detailed description of the invention
Fig. 1 is existing power modules structural schematic diagram；
Fig. 2 is the power modules structural schematic diagram of the embodiment of the present application；
Fig. 3 is the blasting arrangement schematic diagram of the power modules of Fig. 2；
Fig. 4 is single-phase power modular structure schematic diagram in the power modules of the embodiment of the present application；
Fig. 5 is dc-link capacitance integrated morphology schematic diagram in the power modules of the embodiment of the present application；
Fig. 6 is another structural schematic diagram of power modules of the embodiment of the present application.
The embodiments will be further described with reference to the accompanying drawings for realization, functional characteristics and the advantage of the application purpose.
Specific embodiment
In order to be clearer and more clear technical problems to be solved in this application, technical solution and beneficial effect, tie below
Drawings and examples are closed, the application is further elaborated.It should be appreciated that specific embodiment described herein is only
To explain the application, it is not used to limit the application.
First embodiment
As shown in Figure 2 or Figure 3, the application first embodiment provides a kind of power modules, and the power modules include 3N
Single-phase power module 21, dc-link capacitance integrated morphology 22；The 3N single-phase power module 21 and DC bus electricity
Hold integrated morphology 22 to be fixed together；Wherein N is greater than or equal to 1.
In the present embodiment, the quantity of single-phase power module 21 is not limited thereto.
In the present embodiment, the 3N single-phase power module 21 and the dc-link capacitance integrated morphology 22 pass through spiral shell
Nail (attached drawing is not shown) is fixed together.
It please refers to shown in Fig. 4, in one embodiment, the single-phase power module 21 includes water cooling heat exchanger 212, function
Rate device 213, common DC busbar 211, alternating current bus bar 215 and shell 216；
The power device 213 is fixedly mounted on the one or both sides of the water cooling heat exchanger 212；The power device
213 DC terminal is fixedly connected with the common DC busbar 211；The exchange end of the power device 213 exchanges mother with described
Row 215 is fixedly connected；The water cooling heat exchanger 212, the power device 213, the common DC busbar 211 and the friendship
The inner space of the shell 216 is arranged in stream busbar 215.
In this embodiment, the water cooling heat exchanger 212 is the water cooling heat exchanger of plate.
In this embodiment, the power device 213 is worked by IGBT power device, without DC bus electricity
Hold.
In this embodiment, the DC terminal of the power device 213 and the common DC busbar 211 pass through screw
(attached drawing is not shown) is fixedly connected；(attached drawing is not by screw for the exchange end of the power device 213 and the alternating current bus bar 215
Show) it is fixedly connected.
It refer again to shown in Fig. 4, the single-phase power module further includes the driving plate connecting with the power device 213
214。
In this embodiment, the driving plate 214 can be independently mounted on the water cooling heat exchanger 212；Or it is described
Driving plate 214 and the power device 213 integrate.
It please refers to shown in Fig. 5, in one embodiment, the dc-link capacitance integrated morphology 22 includes fixed structure
Part 222, M dc-link capacitance 221 corresponding with each single-phase power module 21 and DC master row 223.M DC bus
Capacitor 221 is fixed in the fixed structure piece 222, and the fixed structure piece 222 is Sheet Metal Part.M DC bus electricity
The positive and negative anodes of appearance 221 are connected by DC master row 223, and DC master row 223 includes positive and negative direct current busbar and is set to positive and negative straight
Flow the insulating film between busbar (attached drawing is not shown).
It should be noted that the quantity of dc-link capacitance 221 is not limited thereto.Pass through dc-link capacitance 221
Integrated design can reduce the ripple current of module.
It refer again to shown in Fig. 2 and Fig. 6, in the present embodiment, the 3N single-phase power module 21 is set to described straight
Flow the side or two sides of bus capacitor integrated morphology 22.
By taking Fig. 2 as an example, 6 single-phase power modules 21 are symmetrically disposed on the two of the dc-link capacitance integrated morphology 22
Side, every side are all 3 single-phase power modules 21 and are arranged in a one-to-one correspondence towards opposite direction.By taking Fig. 6 as an example, 6 lists
Phase power module 21 is all set to the side of the dc-link capacitance integrated morphology 22.Single-phase power module 21 and direct current are female
The different set-up modes of line capacitance integrated morphology 22 are applicable to different applications.
The power modules of the embodiment of the present application are made up of 3N single-phase power module and dc-link capacitance integrated morphology
Power modules；Dc-link capacitance is not contained in single-phase power module, is reduced the volume and weight of power module, is reduced dimension
The cost and raising maintenance efficiency of shield；Dc-link capacitance integrated morphology Integrated design, reduces the ripple current of module.
Second embodiment
The application second embodiment provides a kind of power electronic equipment, and the power electronic equipment includes first embodiment institute
The power modules stated.Power modules can refer to content described in first embodiment, and therefore not to repeat here.
In the present embodiment, the power electronic equipment includes but is not limited to photovoltaic DC-to-AC converter, wind electric converter.
The power electronic equipment of the embodiment of the present application passes through 3N single-phase power module and dc-link capacitance integrated morphology
Constitute power modules；Dc-link capacitance is not contained in single-phase power module, reduces the volume and weight of power module, is reduced
The cost of maintenance and improve maintenance efficiency；Dc-link capacitance integrated morphology Integrated design, reduces the ripple current of module.
Above by reference to Detailed description of the invention preferred embodiment of the present application, not thereby limit to the interest field of the application.This
Field technical staff does not depart from made any modifications, equivalent replacements, and improvements in scope of the present application and essence, should all be at this
Within the interest field of application.
Claims (6)
1. a kind of power modules, which is characterized in that the power modules include 3N single-phase power module, dc-link capacitance collection
At structure；The 3N single-phase power module and the dc-link capacitance integrated morphology are fixed together；Wherein N is greater than
Or it is equal to 1；
The dc-link capacitance integrated morphology includes the capacitor integrated package connecting with the 3N single-phase power module, described
Capacitor integrated package includes fixed structure piece, M dc-link capacitance corresponding with each single-phase power module, and the M straight
Stream bus capacitor is integrated in the fixed structure piece；
The single-phase power module includes power device, the common DC busbar and alternating current bus bar that connect with the power device；
The DC terminal of the power device is connect with the common DC busbar；The exchange end of the power device and the alternating current bus bar
Connection.
2. power modules according to claim 1, which is characterized in that the 3N single-phase power module is set to described straight
Flow the side or two sides of bus capacitor integrated morphology.
3. power modules according to claim 1, which is characterized in that the power device includes IGBT power device.
4. power modules according to claim 1, which is characterized in that the single-phase power module further includes and the power
The driving plate of device connection.
5. a kind of power electronic equipment, which is characterized in that the power electronic equipment includes any function of claim 1-4
Rate mould group.
6. power electronic equipment according to claim 5, which is characterized in that the power electronic equipment includes photovoltaic inversion
Device or wind electric converter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016856.4U CN209488460U (en) | 2018-11-28 | 2018-11-28 | Power modules and power electronic equipment |
| PCT/CN2019/120403 WO2020108412A1 (en) | 2018-11-28 | 2019-11-22 | Power module and electric power electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016856.4U CN209488460U (en) | 2018-11-28 | 2018-11-28 | Power modules and power electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209488460U true CN209488460U (en) | 2019-10-11 |
Family
ID=68117630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822016856.4U Active CN209488460U (en) | 2018-11-28 | 2018-11-28 | Power modules and power electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209488460U (en) |
| WO (1) | WO2020108412A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020108412A1 (en) * | 2018-11-28 | 2020-06-04 | 深圳市禾望电气股份有限公司 | Power module and electric power electronic device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2777109B1 (en) * | 1998-04-06 | 2000-08-04 | Gec Alsthom Transport Sa | CAPACITOR BATTERY, ELECTRONIC POWER DEVICE COMPRISING SUCH A BATTERY AND ELECTRONIC POWER ASSEMBLY COMPRISING SUCH A DEVICE |
| CN102097941B (en) * | 2010-12-30 | 2012-12-26 | 冶金自动化研究设计院 | Dual PWM (pulse width modulation) integrated gate commutated thyristor three-level power cabinet |
| CN102857080B (en) * | 2012-09-21 | 2016-01-06 | 深圳市英威腾电气股份有限公司 | Explosion-proof frequency converter movement and explosion-proof frequency converter |
| CN208046437U (en) * | 2018-03-29 | 2018-11-02 | 深圳市长昊机电有限公司 | A kind of power cell and current transformer of current transformer |
| CN209488460U (en) * | 2018-11-28 | 2019-10-11 | 深圳市长昊机电有限公司 | Power modules and power electronic equipment |
-
2018
- 2018-11-28 CN CN201822016856.4U patent/CN209488460U/en active Active
-
2019
- 2019-11-22 WO PCT/CN2019/120403 patent/WO2020108412A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020108412A1 (en) * | 2018-11-28 | 2020-06-04 | 深圳市禾望电气股份有限公司 | Power module and electric power electronic device |
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| Publication number | Publication date |
|---|---|
| WO2020108412A1 (en) | 2020-06-04 |
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