CN207021902U - Power model - Google Patents
Power model Download PDFInfo
- Publication number
- CN207021902U CN207021902U CN201720489887.4U CN201720489887U CN207021902U CN 207021902 U CN207021902 U CN 207021902U CN 201720489887 U CN201720489887 U CN 201720489887U CN 207021902 U CN207021902 U CN 207021902U
- Authority
- CN
- China
- Prior art keywords
- transverter
- power
- bypass circuit
- capacitor
- diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Power Conversion In General (AREA)
Abstract
It the utility model is related to a kind of power model, including the first power cell and the second power cell, first power cell includes the first bypass circuit, the first transverter and first control circuit, and the second power cell includes the second bypass circuit, the second transverter and second control circuit；First bypass circuit is connected with the second bypass circuit, first transverter is connected with the second transverter, first transverter is connected with the first bypass circuit, second transverter is connected with the second bypass circuit, first control circuit is connected with the first transverter and the first bypass circuit respectively, second control circuit is connected with the second transverter and the second bypass circuit respectively, two power cells are uniformly encapsulated in a power model by above-mentioned power model, the size and volume of power cabinet can be reduced, take into account complete machine capacity and package size, improve power density, and it can independently control the first power cell and the second power cell, when power cell failure, power cell is cut off by bypass circuit.
Description
Technical field
Electric and electronic technical field is the utility model is related to, more particularly to a kind of power model.
Background technology
SVG (Static Var Generator, static reacance generator), APF (Active power filter, it is active
Electric-power filter) etc. electric energy quality controller generally by single-phase electricity potential source type bridge power module redundancy cascade form, if N number of
Single-phase electricity potential source type bridge power module-cascade disclosure satisfy that the electric requirement of transverter, and transverter will use N+1 individual single-phase
Voltage-source type bridge power module-cascade.When transverter is run, if detecting some single-phase electricity potential source type bridge power
Module is in abnormal operating state, the by-pass unit of the single-phase electricity potential source type bridge power module is turned on, by the single-phase electricity
Potential source type bridge power module short circuit, to ensure that transverter can continue to normal operation.
Single-phase electricity potential source type bridge power module of the tradition comprising by-pass unit is by a single-phase electricity potential source type bridge-type work(
Rate module individually encapsulates, and realizes the electric cascade between each single-phase electricity potential source type bridge power module by outlet copper bar, so
The power density of single-phase electricity potential source type bridge power module is caused to be limited to the volume of selected power electronic devices, insulation conditions
And radiating requirements, i.e. single-phase electricity potential source type bridge power module power density be not high.
Utility model content
Based on this, it is necessary to the problem of power density is not high be present for traditional single phase voltage-source type bridge power module,
A kind of power model for improving power density is provided.
A kind of power model, including the first power cell and the second power cell, the first power cell include the first bypass
Circuit, the first transverter and first control circuit, the second power cell include the second bypass circuit, the second transverter and the
Two control circuits；
First bypass circuit is connected with the second bypass circuit, and the first transverter is connected with the second transverter, the first transverter
Be connected with the first bypass circuit, the second transverter is connected with the second bypass circuit, first control circuit respectively with the first transverter
And the first bypass circuit connection, second control circuit is connected with the second transverter and the second bypass circuit respectively.
Above-mentioned power model includes the first power cell and the second power cell, and the first power cell includes the first bypass electricity
Road, the first transverter and first control circuit, the second power cell include the second bypass circuit, the second transverter and second
Two power cells are uniformly encapsulated in a power model by control circuit, the power model, are not only able to reduce power cabinet
Size and volume, take into account complete machine capacity and package size, improve power density, and the first power cell includes the first control electricity
Road, the second power cell include second control circuit, and ensure that can independently control the first power cell and the second power list
Member, the first bypass circuit are used for when the first power cell failure, the first power cell cut off from system, by the of second
Road circuit is used for when the second power cell failure, and the second power cell is cut off from system, the first transverter and the
The DC inverter that two transverters are used to receive the first power cell and the second power cell is alternating current.
Brief description of the drawings
Fig. 1 is the structural representation of power model in one embodiment；
Fig. 2 is the electric pie graph of power cell in power model in one embodiment；
Fig. 3 is the structural representation of power model in one embodiment；
Fig. 4 is the overall schematic of power model in one embodiment；
Fig. 5 is the top view of power model in one embodiment；
Fig. 6 is the left view of power model in one embodiment；
Fig. 7 is the front view of power model in one embodiment.
Embodiment
A kind of power model, as shown in figure 1, including the first power cell 100 and the second power cell 200, the first power
Unit 100 includes the first bypass circuit 120, the first transverter 140 and first control circuit 160, and the second power cell 200 wraps
Include the second bypass circuit 220, the second transverter 240 and second control circuit 260；
First bypass circuit 120 is connected with the second bypass circuit 220, and the first transverter 140 connects with the second transverter 240
Connecing, the first transverter 140 is connected with the first bypass circuit 120, and the second transverter 240 is connected with the second bypass circuit 220, and first
Control circuit 160 is connected with the first transverter 140 and the first bypass circuit 120 respectively, and second control circuit 260 is respectively with
Two transverters 240 and the second bypass circuit 220 connect.
First power cell 100 is identical with the electric pie graph of the second power cell 200, specifically, each power cell
Electric pie graph as shown in Fig. 2 including by IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar
Transistor npn npn) the full-bridge transverter of module composition, DC bus capacitor, by-pass unit (including diode, IGCT, electric capacity and electricity
Resistance), Switching Power Supply and control circuit.It is non-essential, the first bypass circuit 120 and the second bypass circuit 220 include diode,
IGCT, electric capacity and resistance；First transverter 140 and the second transverter 240 include four IGBT；First control circuit 160
It is used to send driving pulse to control IGBT and IGCT break-make with second control circuit 260, so as to realize to power cell
Control.Four IGBT form inversion H bridges, and the input of inversion H bridges is connected with capacitor, the output end of inversion H bridges and
Bypass circuit connects, four diode composition bypass rectifying bridges, input and the inversion H bridges of bypass rectifying bridge in bypass circuit
Output end connection, the output end of bypass rectifying bridge is connected with IGCT, once power cell failure, i.e. conducting thyristor
The power cell is cut off from system.
Above-mentioned power model includes the first power cell 100 and the second power cell 200, and the first power cell 100 includes
First bypass circuit 120, the first transverter 140 and first control circuit 160, the second power cell 200 include the second bypass
Two power cells are uniformly encapsulated in one by circuit 220, the second transverter 240 and second control circuit 260, the power model
In individual power model, it is not only able to reduce the size and volume of power cabinet, takes into account complete machine capacity and package size, it is close to improve power
Degree, and the first power cell 100 includes first control circuit 160, the second power cell 200 includes second control circuit 260, protects
The first power cell 100 and the second power cell 200 can independently be controlled by having demonstrate,proved, and the first bypass circuit 120 is used for when first
When power cell 100 breaks down, the first power cell 100 is cut off from system, the second bypass circuit 220 is used for when second
When power cell 200 breaks down, the second power cell 200 is cut off from system, the first transverter 140 and the second transverter
240 are used to the DC inverter that the first power cell 100 and the second power cell 200 receive be alternating current.
In one embodiment, as shown in figure 3, power model also includes first layer body and second layer body, the first bypass electricity
Road, the first transverter, the second bypass circuit and the second transverter are arranged at first layer body, first control circuit and the second control
Circuit is arranged at second layer body, and first layer body is connected with second layer body, specifically, first layer body can by laminated bus bar with
Second layer body connects, and by all parts in such rational deployment power model, can reduce the volume of single power model.
In another embodiment, power model also includes first switch power supply and second switch power supply, first switch power supply and second
Switching Power Supply is arranged at second layer body；First switch power supply is connected with first control circuit and the first transverter respectively, and second
Switching Power Supply is connected with second control circuit and the second transverter respectively, passes through first switch power supply and second switch power supply point
Not Gei the first power cell and the second power cell power supply, such first power cell and the second power cell can realize independence
Work.
In one embodiment, power model also includes connecting copper bar, and the first bypass circuit passes through connecting copper bar and second
Bypass circuit is connected, and the first transverter is connected by connecting copper bar with the second transverter.In another embodiment, power model
Also include the first outlet copper bar and the second outlet copper bar, the first bypass circuit is connected by the first outlet copper bar and the first transverter
Connect, the second bypass circuit is connected by the second outlet copper bar with the second transverter, and the first power cell passes through the first outlet copper bar
It is connected with outside first power cell, the second power cell is connected by the second outlet copper bar with outside second power cell, its
In, outside first power cell and outside second power cell are identical with the electrically composition of the first power cell, in some great Rong
Application scenario is measured, it is necessary to by multiple power unit cascades.Specifically, the first bypass circuit in power model includes the first brilliant lock
Pipe unit, the first capacitance-resistance plate, the first diode and the second diode, the second bypass circuit include the second IGCT
Unit, the second capacitance-resistance plate, the 3rd diode and the 4th diode；First thyristor cell passes through the first capacitance-resistance plate
Be connected respectively with the first diode and the second diode, the second thyristor cell by the second capacitance-resistance plate respectively with
3rd diode and the connection of the 4th diode, the first diode are connected with the 3rd diode, and second
Diode is connected by the first outlet copper bar with the first transverter, and the 4th diode passes through the second outlet copper bar and
Two transverters connect.Further, first resistor and first electric capacity of the first capacitance-resistance plate in power model including series connection, second
Capacitance-resistance plate includes the second resistance and the second electric capacity of series connection.
In one embodiment, power model also includes the first capacitor and the second capacitor, the first capacitor and first
Transverter is connected, and the second capacitor is connected with the second transverter, and the first capacitor transmits again after the direct current received is filtered
The processing of the first transverter is given, the second capacitor is transmitted further to the second transverter and handled after the direct current received is filtered.Specifically
, power model also includes the first capacitor fixation kit and the second capacitor fixation kit, the first capacitor are arranged at first
Capacitor fixation kit, the second capacitor are arranged at the second capacitor fixation kit.Further, the first capacitor fixation kit
Including the first capacitor fixation kit side plate, the second capacitor fixation kit includes the second capacitor fixation kit side plate, and first
Control circuit is arranged at the first capacitor fixation kit side plate, and second control circuit is arranged at the second capacitor fixation kit side
Plate, it is improved by the power density of such rational deployment power model.
In one embodiment, the overall schematic of power model is as shown in figure 4, top view such as Fig. 5 institutes of power model
Show, the left view of power model as shown in fig. 6, power model front view as shown in fig. 7, power model by the He of power cell 1
Power cell 2 is unified to be encapsulated, and all power electronic devices of power cell 1 and power cell 2 are arranged in radiating with symmetrical structure
On device, power cell 1 and power cell 2 are cascaded by connecting copper bar, and the power cell 1 and power cell 2 after encapsulation are by going out
Cascade of power units in line copper bar and other power module packages.Each power cell includes IGBT module, and (including IGBT drives
Dynamic device and Absorption Capacitance), DC bus capacitor component, by-pass unit, Switching Power Supply and control panel, pass through between power electronic devices
Copper bar is connected, and IGBT module connected with DC bus capacitor component by laminated bus bar, by-pass unit include diode, IGCT and
Capacitance-resistance plate (including resistance and electric capacity).Two power cells of unified encapsulation are cascaded by connecting copper bar, save two outlet copper
Row, the spacing of corresponding power electronic devices must are fulfilled for the requirement of electric clearance and creep age distance, can so improve power
The power density of module, while the dosage of transverter cascade copper bar can also be reduced.
In one embodiment, a kind of single-phase bridge compact power module, including 2 single-phase electricity potential source type bridge powers
Unit, connecting copper bar and outlet copper bar；Each single-phase electricity potential source type bridge power unit includes by-pass unit, 2 IGBT moulds
Block, DC bus capacitor device assembly, radiator, laminated bus bar, Switching Power Supply and control panel；By-pass unit include IGCT, above
Arrange the copper bar needed for the capacitance-resistance plate, 2 diode (led) modules and electrical connection of electric capacity and resistance；Each IGBT module includes 2
Individual IGBT, Absorption Capacitance and IGBT module driver；DC bus capacitor device assembly includes capacitor bank and capacitor fixation kit；
IGBT module, diode (led) module and IGCT are set on a heat sink, and IGBT module and capacitor bank pass through company
Connect copper bar, outlet copper bar and laminated bus bar and realize electrical connection；Switch needed for the operation of single-phase electricity potential source type bridge power unit
Power supply and control panel are fixed on the side plate of capacitor fixation kit, and 2 single-phase electricity potential source type bridge power units pass through connection
Copper bar realizes electrically cascade, is realized and the single-phase electricity potential source type bridge power unit in other power models by outlet copper bar
Electrically cascade.
Two single-phase electricity potential source type bridge power units are uniformly encapsulated in a power model, can be effectively improved
The power density of power model；The cabling of reasonable design connecting copper bar, outlet copper bar, realize single-phase electricity potential source type bridge-type work(
Electrical connection in rate unit between power electronic devices, the electric cascade between power cell, the electric outlet of power model,
With the electric cascade of the power cell in other power models, copper bar dosage is effectively reduced；Each single-phase electricity potential source type bridge
Formula power cell includes Switching Power Supply and control panel, can work independently, to ensure each single-phase electricity potential source type bridge power list
First reliability of operation.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- A kind of 1. power model, it is characterised in that including the first power cell and the second power cell, first power cell Including the first bypass circuit, the first transverter and first control circuit, second power cell include the second bypass circuit, Second transverter and second control circuit；First bypass circuit is connected with second bypass circuit, and first transverter connects with second transverter Connecing, first transverter is connected with first bypass circuit, and second transverter is connected with second bypass circuit, The first control circuit is connected with first transverter and first bypass circuit respectively, the second control circuit It is connected respectively with second transverter and second bypass circuit.
- 2. power model according to claim 1, it is characterised in that also including first layer body and second layer body, described One bypass circuit, first transverter, second bypass circuit and second transverter are arranged at the first layer Body, the first control circuit and the second control circuit are arranged at the second layer body, the first layer body and described the Two layers of body connection.
- 3. power model according to claim 2, it is characterised in that also including first switch power supply and second switch electricity Source, the first switch power supply and the second switch power supply may be contained within the second layer body；The first switch power supply is connected with the first control circuit and first transverter respectively, the second switch Power supply is connected with the second control circuit and second transverter respectively.
- 4. power model according to claim 1, it is characterised in that also including connecting copper bar, first bypass circuit It is connected by the connecting copper bar with second bypass circuit, first transverter passes through the connecting copper bar and described the Two transverters connect.
- 5. power model according to claim 1, it is characterised in that also including the first outlet copper bar and the second outlet copper Row, first bypass circuit are connected by first outlet copper bar with first transverter, second bypass circuit It is connected by second outlet copper bar with second transverter, first power cell passes through first outlet copper bar It is connected with outside first power cell, second power cell passes through second outlet copper bar and outside second power cell Connection.
- 6. power model according to claim 5, it is characterised in that first bypass circuit includes the first IGCT list Member, the first capacitance-resistance plate, the first diode and the second diode, second bypass circuit include the second IGCT Unit, the second capacitance-resistance plate, the 3rd diode and the 4th diode；First thyristor cell by the first capacitance-resistance plate respectively with first diode and described second Diode connect, second thyristor cell by the second capacitance-resistance plate respectively with the 3rd diode with And the 4th diode connection, first diode are connected with the 3rd diode, described second Diode is connected by first outlet copper bar with first transverter, and the 4th diode passes through described Second outlet copper bar is connected with second transverter.
- 7. power model according to claim 6, it is characterised in that the first capacitance-resistance plate includes the first resistor of series connection With the first electric capacity, the second capacitance-resistance plate includes the second resistance and the second electric capacity of series connection.
- 8. power model according to claim 1, it is characterised in that also including the first capacitor and the second capacitor, institute State the first capacitor to be connected with first transverter, second capacitor is connected with second transverter.
- 9. power model according to claim 8, it is characterised in that also including the first capacitor fixation kit and the second electricity Container fixation kit, first capacitor are arranged at the first capacitor fixation kit, and second capacitor is arranged at The second capacitor fixation kit.
- 10. power model according to claim 9, it is characterised in that the first capacitor fixation kit includes first Capacitor fixation kit side plate, the second capacitor fixation kit include the second capacitor fixation kit side plate, and described first Control circuit is arranged at the first capacitor fixation kit side plate, and the second control circuit is arranged at second capacitor Fixation kit side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720489887.4U CN207021902U (en) | 2017-05-04 | 2017-05-04 | Power model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720489887.4U CN207021902U (en) | 2017-05-04 | 2017-05-04 | Power model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207021902U true CN207021902U (en) | 2018-02-16 |
Family
ID=61461523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720489887.4U Active CN207021902U (en) | 2017-05-04 | 2017-05-04 | Power model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207021902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086797A (en) * | 2017-05-04 | 2017-08-22 | 广州供电局有限公司 | Power model |
-
2017
- 2017-05-04 CN CN201720489887.4U patent/CN207021902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086797A (en) * | 2017-05-04 | 2017-08-22 | 广州供电局有限公司 | Power model |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102163926B (en) | High-power converter based on parallel IGBT (Insulated Gate Bipolar Transistor) modules | |
| CN101604853B (en) | Battery charge and discharge device | |
| CN104038085B (en) | Three-level current transformer | |
| CN103401462B (en) | Based on the single-phase chain static synchronous compensator of three level H bridge cascade | |
| CN102593866A (en) | Unified power flow controller based on modular multilevel converter structure | |
| CN201956885U (en) | Insulated gate bipolar transistor (IGBT) module paralleling-based high-power current transformer | |
| CN100372208C (en) | Three-phase unified electric energy quality controller without isolation link | |
| CN103236710A (en) | Unified power flow controller in modular structure | |
| CN101860246A (en) | Inversion unit modularization structure device of photovoltaic inverter | |
| CN207021902U (en) | Power model | |
| CN202997950U (en) | Single-phase bridge type inverter based on water cooling | |
| CN101707433A (en) | Insulated gate bipolar transistor on-vehicle traction converter | |
| CN104218812A (en) | Battery charger power unit based on double-tube parallel connection | |
| CN208257652U (en) | The error protection and shunting device of modular multi-level converter power module | |
| CN102148219B (en) | Power module of insulated gate bipolar transistor | |
| CN202602544U (en) | Power conversion module of inverter air conditioner | |
| CN104184343B (en) | Silicon controlled rectifier rectification feedback apparatus | |
| CN107086797A (en) | Power model | |
| CN110932569A (en) | Parallel structure of electric locomotive four-quadrant power module IGBT | |
| CN202535087U (en) | Unified power flow controller based on modular multilevel converter structure | |
| CN103515959B (en) | The excellent ripple case of a kind of energy-conserving intelligent filtering compensation metering integrated protection | |
| CN104617757A (en) | Improved overvoltage preventing type MMC current converter structure having direct-current fault current-limiting capacity | |
| CN204068713U (en) | Based on the charger power cell of two-tube parallel connection | |
| CN206023224U (en) | A kind of low-voltage active reactive power compensator | |
| CN103595282A (en) | Current conversion module circuit of modularized multi-level current converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191009 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Co-patentee before: Xi'an Xidian Electric Research Institute Co Ltd Patentee before: Guangzhou Power Supply Bureau |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200925 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |
|
| TR01 | Transfer of patent right |