CN203406788U - Large-current three-phase inverter bridge power system - Google Patents
Large-current three-phase inverter bridge power system Download PDFInfo
- Publication number
- CN203406788U CN203406788U CN201320384456.3U CN201320384456U CN203406788U CN 203406788 U CN203406788 U CN 203406788U CN 201320384456 U CN201320384456 U CN 201320384456U CN 203406788 U CN203406788 U CN 203406788U
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- phase
- power system
- inverter bridge
- large current
- bridge power
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Abstract
The utility model provides a large-current three-phase inverter bridge power system. The inverter bridge power system comprises three single-phase modules, the single-phase module is formed by connecting a plurality of power tubes in parallel, the three single-phase modules form an A phase, a B phase and a B phase of a three-phase power system, the three single-phase modules are placed on the same plane, and one direct current bus is arranged on the three single-phase modules and used for connecting positive and negative electrodes of the three single-phase modules.
Description
Technical field
The present invention relates to a kind of three phase inverter bridge power system.
Background technology
In recent years, along with the development of power electronic technology, its range of application is also more and more wider, also more and more higher to the requirement of power system.As also increasing to the current requirements of three-phase inversion bridge system, particularly in the Electric Traction application of low-speed big.Along with the development of electric automobile, its performance requirement to the low-speed big of motor and controller also improves constantly.This just requires electric machine controller to have very large electric current fan-out capability.
Summary of the invention
1) technical problem solving
For meeting the requirement that drives large-current electric machine, the present invention proposes a kind of large current three-phase inverter bridge power system.
2) technical scheme
The present invention proposes a kind of large current three-phase inverter bridge power system, comprise three single-phase modules that formed by a plurality of power tube parallel connections, these three single-phase modules have formed A, B, the C three-phase of a three phase power system, these three single-phase modules are positioned on same plane, above these three single-phase modules, there is a DC master row, for connecting positive pole and the negative pole of three single-phase modules.On each single-phase module, also have a plurality of bus capacitors, electric capacity is connected across on positive and negative polarities.Each single-phase module has a strip metal bar, for connecting the positive pole of this each power tube of phase, also has a strip metal bar, for connecting the output pin of this each power tube of phase, as phase line, exports.Each single-phase module is by metal sliver, the positive pole of this phase and negative pole is connected respectively to the DC master row of the side of being located thereon.On DC master row, there are two metallic conductors, connect respectively positive pole and the negative pole of DC master row, by these two metallic conductors, the positive pole of system and negative pole are drawn.Above DC master row, control in addition drive circuit board, on this control drive circuit board, have microcontroller.Each single-phase module is connected to control drive circuit board.Temp probe is also housed, for detection of temperature on each single-phase module.DC master row adopts printed circuit board (PCB).On DC master row, have a metal column, for connect and fixedly fuse use.
3) beneficial effect
In the present invention, adopted bonding jumper and DC master row as the conductor of large electric current, output current ability improves greatly.
Accompanying drawing explanation
In Fig. 1: 1,2, tri-single-phase modules of 3-, 4-charging module, 4-DC master row, 5-electric capacity, 6,7-bonding jumper, 8-metal sliver, 9,10-metallic conductor, 11-controls drive circuit board, 12-metal column.
Embodiment
The present invention proposes a kind of large current three-phase inverter bridge power system, comprise three single-phase modules that formed by a plurality of power tube parallel connections 1,2,3, these three single-phase modules have formed A, B, the C three-phase of a three phase power system, these three single-phase modules 1,2,3 are positioned on same plane, above these three single-phase modules 1,2,3, there is a DC master row 4, for connecting positive pole and the negative pole of three single-phase modules.On each single-phase module, also have a plurality of bus capacitors 5, electric capacity 5 is connected across on positive and negative polarities.Each single-phase module 1,2,3 has a strip metal bar 6, for connecting the positive pole of this each power tube of phase, also has a strip metal bar 7, for connecting the phase line output pin of this each power tube of phase, as phase line, exports.Each single-phase module 1,2,3 is by metal sliver 8, the positive pole of this phase and negative pole is connected respectively to the DC master row 4 of the side of being located thereon.On DC master row 4, there are two metallic conductors 9,10, connect respectively positive pole and the negative pole of DC master row, by these two metallic conductors 9,10, the positive pole of system and negative pole are drawn.Above DC master row 4, control in addition drive circuit board 11, on this control drive circuit board 11, have microcontroller, this circuit board is mainly realized various control functions, is responsible for driving each single-phase module 1,2,3.Each single-phase module 1,2,3 is connected to controls drive circuit board 11, for transmitting the signals such as driving.Temp probe is also housed, for detection of temperature on each single-phase module.DC master row 4 adopts printed circuit board (PCB).On DC master row 4, have a metal column 12, for connect and fixedly fuse use.
Claims (10)
1. a large current three-phase inverter bridge power system, it is characterized in that, comprise three single-phase modules that formed by a plurality of power tube parallel connections, these three single-phase modules have formed A, B, the C three-phase of a three phase power system, these three single-phase modules are positioned on same plane, above these three single-phase modules, there is a DC master row, for connecting positive pole and the negative pole of three single-phase modules.
2. a kind of large current three-phase inverter bridge power system as claimed in claim 1, is characterized in that on each single-phase module, also having a plurality of bus capacitors, and electric capacity is connected across on positive and negative polarities.
3. a kind of large current three-phase inverter bridge power system as claimed in claim 1, is characterized in that, each single-phase module has a strip metal bar, for connecting the positive pole of this each power tube of phase, also have a strip metal bar, for connecting the output pin of this each power tube of phase, as phase line, export.
4. a kind of large current three-phase inverter bridge power system as claimed in claim 1, is characterized in that, each single-phase module is by metal sliver, the positive pole of this phase and negative pole is connected respectively to the DC master row of the side of being located thereon.
5. a kind of large current three-phase inverter bridge power system as claimed in claim 1, is characterized in that on DC master row, there are two metallic conductors, connects respectively positive pole and the negative pole of DC master row, by these two metallic conductors, the positive pole of system and negative pole is drawn.
6. a kind of large current three-phase inverter bridge power system as claimed in claim 1, is characterized in that, controls in addition drive circuit board above DC master row, on this control drive plate, has microcontroller.
7. a kind of large current three-phase inverter bridge power system as claimed in claim 1, is characterized in that, each single-phase module is wired to control drive circuit board.
8. a kind of large current three-phase inverter bridge power system as claimed in claim 1, is characterized in that, on each single-phase module, temp probe is housed, for detection of temperature.
9. a kind of large current three-phase inverter bridge power system as claimed in claim 1, is characterized in that, DC master row adopts printed circuit board (PCB).
10. a kind of large current three-phase inverter bridge power system as claimed in claim 1, is characterized in that on DC master row, there is a metal column, for connect and fixedly fuse use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320384456.3U CN203406788U (en) | 2013-07-01 | 2013-07-01 | Large-current three-phase inverter bridge power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320384456.3U CN203406788U (en) | 2013-07-01 | 2013-07-01 | Large-current three-phase inverter bridge power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203406788U true CN203406788U (en) | 2014-01-22 |
Family
ID=49942708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320384456.3U Expired - Lifetime CN203406788U (en) | 2013-07-01 | 2013-07-01 | Large-current three-phase inverter bridge power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203406788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112398310A (en) * | 2020-11-09 | 2021-02-23 | 合肥阳光电动力科技有限公司 | Power tube structure and power converter |
-
2013
- 2013-07-01 CN CN201320384456.3U patent/CN203406788U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112398310A (en) * | 2020-11-09 | 2021-02-23 | 合肥阳光电动力科技有限公司 | Power tube structure and power converter |
| CN112398310B (en) * | 2020-11-09 | 2023-04-07 | 合肥阳光电动力科技有限公司 | Power tube structure and power converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |
|
| CX01 | Expiry of patent term |