CN110365086A - A kind of highly integrated charger power cell - Google Patents
A kind of highly integrated charger power cell Download PDFInfo
- Publication number
- CN110365086A CN110365086A CN201910468877.6A CN201910468877A CN110365086A CN 110365086 A CN110365086 A CN 110365086A CN 201910468877 A CN201910468877 A CN 201910468877A CN 110365086 A CN110365086 A CN 110365086A
- Authority
- CN
- China
- Prior art keywords
- circuit
- power cell
- bus bar
- composite bus
- rectification
- 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.)
- Pending
Links
- 239000002131 composite material Substances 0.000 claims abstract description 45
- 238000010521 absorption reaction Methods 0.000 claims abstract description 40
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000011084 recovery Methods 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 238000003475 lamination Methods 0.000 claims description 9
- 238000005538 encapsulation Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 14
- 238000013461 design Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 5
- 230000003750 conditioning effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H02J7/022—
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of highly integrated charger power cell, including frame, installation water-cooling base plate on said frame, the power cell being mounted on the water-cooling base plate；The power cell includes inverter circuit, rectification circuit, RC absorption circuit, inversion input composite bus bar, exchange output composite bus bar, rectification composite bus bar；Wherein, the inversion input composite bus bar is attached the direct current input of the inverter circuit, the exchange output composite bus bar is attached the exchange output of the inverter circuit, and the Absorption Capacitance of the rectification circuit and the RC absorption circuit is attached by the rectification composite bus bar.For the present invention by inverter circuit, full-wave rectifying circuit and counnter attack circuit integration in a power device, product structure integrated level is high, solves the problems, such as that small product size is big, at high cost, wiring is complicated.
Description
Technical field
The invention belongs to guide rail electric car technical fields, are related to a kind of power cell, especially a kind of highly integrated charger function
Rate unit.
Background technique
With the fast development in city, traffic pressure increasingly increases, and city guide rail electric car can make full use of existing city because of it
The advantages that city's road, infrastructure are simple, the construction period is short, at low cost, pollution-free, has broad application prospects.With rail
The development of road traffic electric drive technology, using high-power IGBT is the power cell of switch element using increasingly extensive, existing skill
A power cell only realizes an electric function in art, and the functions such as rectification, inversion are realized by multiple power cells.
However, multiple power cells are independently installed, not only increase volume, increase cost, and interface is more, it is multiple to increase wiring
Miscellaneous degree, is unfavorable for installation maintenance.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of highly integrated charger power cell is provided.
A variety of electric functions are realized on a power cell, reach the integrated assembly of multi-part, miniaturization, light-weighted purpose.
The purpose of the present invention is by the following technical programs to solve:
This highly integrated charger power cell including frame, installation water-cooling base plate on said frame, is mounted on institute
State the power cell on water-cooling base plate；The power cell includes inverter circuit, rectification circuit, RC absorption circuit, inversion input
Composite bus bar, exchange output composite bus bar, rectification composite bus bar；Wherein, the inversion input composite bus bar is to the inversion electricity
The direct current input on road is attached, and the exchange output composite bus bar is attached the exchange output of the inverter circuit, institute
Rectification composite bus bar is stated to be attached the Absorption Capacitance of the rectification circuit and the RC absorption circuit.
Optionally, the rectification circuit is extensive fastly including the first fast recovery diode D1, the second fast recovery diode D2, third
Multiple diode D3 and the 4th fast recovery diode D4, wherein D1 connects with D2, and D3 connects with D4, the branch of the D1 and D2 composition
The branch circuit parallel connection on road and the D3 and D4 composition.
Optionally, the RC absorption circuit includes concatenated Absorption Capacitance and absorption resistance.
Optionally, the IGBT of two half-bridges of inverter circuit encapsulation, the IGBT of two half-bridges encapsulation make the inversion electricity
Two bridge arms on road.
Optionally, the power cell further includes anti-circnit NOT, IGBT drive circuit plate；Wherein, the IGBT driving electricity
Road plate is mounted on IGBT, and the IGBT drive circuit plate and signal regulating panel are divided in water-cooling base plate left and right side, described
The aperture that line between IGBT drive circuit plate and the signal regulating panel passes through on water-cooling base plate is attached.
Optionally, the power cell further includes insulating supporting seat, lamination copper bar；Wherein, the insulating supporting seat installation
The frame top and embedded traveling nut, the terminal of the lamination copper bar be overlapped on the insulating supporting seat.
The invention has the following advantages:
The present invention is by composite bus bar by inverter circuit, rectification circuit and counnter attack circuit integration in a power device, production
Product structure integrated level is high, reduces design and product cost.
Further, the present invention is from highly integrated charger power cell practical application request, using integrated modularization
Structure uses high power device IGBT, diode, anti-circnit NOT, driving circuit, laminated composite bus bar, absorbing circuit, water cooling base
The component functions such as plate combine.
Detailed description of the invention
Fig. 1 (a) is inverter circuit schematic diagram of the invention；
Fig. 1 (b) is full-wave rectifying circuit schematic diagram of the invention；
Fig. 1 (c) is counnter attack circuit diagram of the invention；
Fig. 2 is the structural schematic diagram of highly integrated charger power cell of the invention, wherein (a) is leftschematic diagram, (b)
For right side schematic view；
Fig. 3 is the structural schematic diagram of frame of the invention；
Fig. 4 is the structural schematic diagram that inversion of the invention inputs composite bus bar, wherein (a) is perspective view, it (b) is to face
Figure；
Fig. 5 is the structural schematic diagram of exchange output composite bus bar of the invention, wherein (a) is perspective view, it (b) is to face
Figure；
Fig. 6 is the structural schematic diagram of rectification output composite bus bar of the invention, wherein (a) is perspective view, it (b) is to face
Figure；
Fig. 7 is water-cooling base plate device layout schematic diagram of the invention, wherein (a) is device layout signal on the left of water-cooling base plate
Figure is (b) device layout schematic diagram on the right side of water-cooling base plate.
Wherein: 1 is water-cooling base plate；2 be left frame；3 be correct frame；4 be insulating supporting seat；5 be IGBT drive circuit plate；
6 input composite bus bar for inversion；7 be exchange output composite bus bar；8 be rectification composite bus bar；9 be lamination copper bar；10 be signal
Conditioning plate；11 be aperture；12 be bolt fixing component；13 be IGBT；14 be fast recovery diode, and 15 be Absorption Capacitance；16 are
Absorption resistance；17 be counnter attack diode.
Specific embodiment
Highly integrated charger power cell of the invention, including frame, installation water-cooling base plate on said frame, installation
Power cell on the water-cooling base plate；The power cell includes inverter circuit, rectification circuit, RC absorption circuit, inversion
Input composite bus bar, exchange output composite bus bar, rectification composite bus bar；Wherein, the inversion input composite bus bar is to described inverse
The direct current input on power transformation road is attached, and the exchange output composite bus bar connects the exchange output of the inverter circuit
It connects, the Absorption Capacitance of the rectification circuit and the RC absorption circuit is attached by the rectification composite bus bar.
The invention will be described in further detail with reference to the accompanying drawing:
Shown in the circuit diagram of the present embodiment such as Fig. 1 (a), Fig. 1 (b) and Fig. 1 (c):
V1~V2 is 2 IGBT of half-bridge encapsulation, as 2 bridge arms of inverter circuit, forms single-phase inversion circuit.
D1~D4 is fast recovery diode module, and D1 is in parallel again after connecting respectively with D2, D3 with D4, composition full-wave rectification electricity
Road.
R1 and C1 is respectively the resistance and capacitor of absorption circuit, overvoltage when for absorption diode Reverse recovery, electricity
Capacitance-resistance best match increases absorption to greatest extent can ability.
D5 is output circuit counnter attack diode, and the electric current of battery is prevented reversely to be flowed into power device.
Still as shown in Fig. 1 (a) to Fig. 1 (c), circuit input and output terminal includes:
1. 2. the direct current for inverter circuit inputs.
3. 4. the exchange for inverter circuit exports.
5. 6. the exchange for full-wave rectifying circuit inputs.
8. 7. being the direct current output of full-wave rectifying circuit.
10. 9. outputting and inputting for the main anti-circnit NOT in circuit output part.
Still as shown in Fig. 1 (a) to Fig. 1 (c), control section includes:
DRV1 and DRV2 is the driving circuit of IGBT, and every piece of drive circuit board provides two-way driving signal, and driving one is inverse
Become two IGBT cell operations of bridge arm, while IGBT switch state signal is fed back into control unit.
GPD is signal regulating panel, and when system requirements signal is electric signal, signal regulating panel receives controller and sends telecommunications
Number, it will be transferred to IGBT drive circuit plate 5 after Electric signal processing, the on-off of IGBT is controlled by IGBT drive circuit plate 5, simultaneously
IGBT drive circuit plate 5 feeds back electric signal to signal regulating panel, returns to controller after signal regulating panel is handled；It is requiring to drive
Under conditions of dynamic circuit optical signal, without using the circuit board.The use of signal regulating panel, so that the power cell is applicable to
System requirements is two kinds of conditions of optical signal and electric signal.
The highly integrated charger power cell of the present embodiment is applied in city guide rail electric car current transformer, whole such as Fig. 2 institute
Show, the device is compound by water-cooling base plate 1, left frame 2, correct frame 3, insulating supporting seat 4, IGBT drive circuit plate 5, inversion input
Busbar 6, exchange output composite bus bar 7, rectification composite bus bar 8, lamination copper bar 9, signal regulating panel 10, bolt fixing component 12,
The part such as IGBT device, fast recovery diode, counnter attack diode, RC absorption circuit forms.
Wherein, the line between IGBT drive circuit plate 5 and signal regulating panel 10 pass through water-cooling base plate 2 on aperture 11 into
Row connection.
High-voltage great-current IGBT is selected, IGBT drive circuit plate 5 is directly installed on IGBT, it can save space, again
Can be to avoid because driving line be long, driving signal is disturbed problem.IGBT drive circuit plate 5 and signal regulating panel 10 are divided in
Water-cooling base plate left and right side, the aperture that left and right sides circuit board line passes through on water-cooling base plate are attached, and make full use of water
Cold substrate existing space.IGBT drive circuit plate 5 is optical signal, when system requirements driving signal is electric signal, uses the letter
Number conditioning plate 10 will be transferred to IGBT drive circuit plate 5 after Electric signal processing, while IGBT drive circuit plate 5 feeds back electric signal extremely
Signal regulating panel 10 returns to controller after the processing of signal regulating panel 10, have prevent upper and lower bridge arm straight-through, DC/DC transformation,
The functions such as power supply monitoring, indicating fault.
The power cell integrated level is high, outer dimension 450mm × 180mm × 310mm (L × W × H), input and output high pressure
Interface facilitates operation up to 10 by the way of the wiring of top, improves space utilization rate.Insulating supporting seat is mounted on frame
Side embeds traveling nut, and busbar and copper bar terminal, which are overlapped on insulating supporting seat, to be conveniently reliably connected with outside, movable screw
It is female adjustable in a certain range, avoid the problem of composite bus bar production and rigging error cause terminal to be unable to device to hole assembly.
Power cell is quickly connected between converter cabinet entirely through 3 included screw arbor assemblies；Frame is (such as Fig. 3 institute
Show) it is hollowed out among frame under the premise of meeting mechanical performance using stainless steel plate, the weight of device is reduced, lightweight is reached
Purpose of design, which only has 17.8kg.
The present embodiment includes 3 kinds of composite bus bars, as shown in Fig. 4, Fig. 5, Fig. 6, respectively to inverter circuit, full-wave rectification electricity
Road, RC absorption circuit are attached, the design of stack bus bar, and space is saved while reducing stray inductance, and the system of raising can
By property and maintainability.
Optionally, intermediate as shown in figure 4, the inversion, which inputs composite bus bar, covers insulating film by positive and negative two layer laminates copper bar
It is separated with insulating materials, 1. the inversion input composite bus bar includes, is 2. respectively two positive and negative input terminal (serial numbers pair
Answer Fig. 1 (a) 1., 2.).The upper layer Fig. 4 (b) is negative plate, there is 4 cathode connecting holes, and lower layer is positive plate, there is 4 anode connections
Hole.
Optionally, as shown in figure 5, the inversion, which exports composite bus bar, provides output connector, Fig. 5 institute to inversion circuit
Show 3., 4. two AC output terminals (serial number corresponding diagram 1 (a) is 3., 4.).
This patent inversion inputs copper bar and uses stack-design, and inversion exports busbar and uses painting designs, by inversion circuit
Inversion inputs busbar and separately designs with inversion output busbar, turns off due to voltage spikes in the distributed inductance and IGBT for reducing DC loop
On the basis of, effectively save space mitigates busbar weight, and save the cost increases the maintainability of system.
Optionally, the rectification circuit is extensive fastly including the first fast recovery diode D1, the second fast recovery diode D2, third
Multiple diode D3 and the 4th fast recovery diode D4, wherein D1 connects with D2, and D3 connects with D4, the branch of the D1 and D2 composition
The branch circuit parallel connection on road and the D3 and D4 composition.Fast recovery diode switching frequency reaches 8KHz, has switching frequency high, reversed extensive
Short feature of multiple time.
Optionally, as shown in fig. 6, the rectification composite bus bar include 2 AC input terminals 5. and 6., two direct currents are defeated
7. and 8. terminal, respectively corresponds the corresponding serial number of Fig. 1 (b) out.There is insulation strip to be used between two mounting holes of each diode
Increase creepage distance.Two "+" "-" pins are separately connected the resistance and capacitor of RC absorption circuit on the right side of rectification busbar.
Optionally, the RC absorption circuit includes concatenated Absorption Capacitance and absorption resistance.
The rectification composite bus bar of the present embodiment is electric by the absorption of the fast recovery diode of full-wave rectifying circuit, RC absorption circuit
Hold and the absorption resistance of RC absorption circuit is attached, when reducing the distributed inductance in circuit, and then reducing diode reverse recovery
Peak voltage.To meet Miniaturization Design simultaneously and meeting the requirement of creepage distance, between the adjacent connecting ends of composite bus bar surface
Paste insulation partition.
Optionally, the IGBT of two half-bridges of inverter circuit encapsulation, the IGBT of two half-bridges encapsulation make the inversion electricity
Two bridge arms on road.
Optionally, the power cell further includes anti-circnit NOT, IGBT drive circuit plate；Wherein, the IGBT driving electricity
Road plate is mounted on IGBT, and the IGBT drive circuit plate and signal regulating panel are divided in water-cooling base plate left and right side, described
The aperture that line between IGBT drive circuit plate and the signal regulating panel passes through on water-cooling base plate is attached.
Optionally, the power cell further includes insulating supporting seat, lamination copper bar；Wherein, the insulating supporting seat installation
The frame top and embedded traveling nut, the terminal of the lamination copper bar be overlapped on the insulating supporting seat.
As shown in fig. 7, being water-cooling base plate device layout schematic diagram, entire power device is that basic two sides are pacified with water-cooling base plate
Dress power device and circuit board, IGBT drive circuit plate 5 are directly installed on IGBT 13, (also referred to as by composite bus bar and copper bar
Lamination copper bar) main circuit is attached, left and right frame supports the power cell.Wherein, IGBT 13 and its IGBT drive circuit
Plate 5 is assemblied in the left side of water-cooling base plate 1, fast recovery diode 14, Absorption Capacitance 15, absorption resistance 16, signal regulating panel 10, defeated
Circuit counnter attack diode 17 is mounted on the right side of water-cooling base plate 1 out.
The power cell is suitable for commutating circuit switching frequency and is up to 16k, and general-purpose diode can not meet high switch frequency
The requirement of rate, therefore use the fast recovery diode of quick-speed turning on-off.It is compared simultaneously by test of many times, using 4 absorption resistances and 2
The matching of a Absorption Capacitance improves the absorbability in the circuit RC to greatest extent.
The present embodiment by inverter circuit, full-wave rectifying circuit and counnter attack circuit integration in a power cell, product collection
It is high at degree, reach miniaturization, light-weighted purpose of design, while reducing design and maintenance cost；It is carried out by composite bus bar
The connection of each electric loop, internal electric connect and are externally electrically connected convenient and efficient, top installation adjustable ball nut insulation
Support base overlaps busbar high-voltage electrical apparatus interface, and interface solves the problems, such as that layout is complicated, at high cost, quality is insecure；) be suitable for driving
The different application condition of dynamic circuit optical signal or electric signal, connection signal conditioning plate 10 when electric signal, without connection when optical signal,
Improve the versatility of power cell；Absorption circuit uses 4 absorption resistances and 2 Absorption Capacitances, maximum in limited volume
Limit increases the absorbability of absorption circuit, meets power device and rapidly switches off due to voltage spikes, power quality difference or transformer
The high application conditions of side output voltage spike, the reliably working of effective protection power device fast recovery diode.
Claims (7)
1. a kind of highly integrated charger power cell, which is characterized in that including frame, the water cooling base of installation on said frame
Plate, the power cell being mounted on the water-cooling base plate；The power cell includes that inverter circuit, rectification circuit, RC absorb back
Road, inversion input composite bus bar, exchange output composite bus bar, rectification composite bus bar；Wherein, the inversion inputs composite bus bar pair
The direct current input of the inverter circuit is attached, the exchange export composite bus bar to the exchange of the inverter circuit export into
The Absorption Capacitance of the rectification circuit and the RC absorption circuit is attached by row connection, the rectification composite bus bar.
2. highly integrated charger power cell according to claim 1, which is characterized in that the inversion inputs composite bus bar
Insulating film is covered by positive and negative two layer laminates copper bar, centre is separated with insulating materials.
3. highly integrated charger power cell according to claim 1, which is characterized in that the rectification circuit includes first
Fast recovery diode D1, the second fast recovery diode D2, third fast recovery diode D3 and the 4th fast recovery diode D4,
In, D1 connects with D2, and D3 connects with D4, the branch circuit parallel connection of the branch and the D3 and D4 composition of the D1 and D2 composition.
4. highly integrated charger power cell according to claim 4, which is characterized in that the RC absorption circuit includes string
The Absorption Capacitance and absorption resistance of connection.
5. highly integrated charger power cell according to claim 1, which is characterized in that two half-bridges of the inverter circuit
The IGBT of the IGBT of encapsulation, the encapsulation of two half-bridges make two bridge arms of the inverter circuit.
6. highly integrated charger power cell according to claim 5, which is characterized in that the power cell further includes preventing
Circnit NOT, IGBT drive circuit plate；Wherein, the IGBT drive circuit plate is mounted on IGBT, the IGBT drive circuit plate
It is divided in water-cooling base plate left and right side with signal regulating panel, between the IGBT drive circuit plate and the signal regulating panel
The aperture that line passes through on water-cooling base plate is attached.
7. highly integrated charger power cell according to claim 1, which is characterized in that the power cell further includes exhausted
Edge support base, lamination copper bar；Wherein, the insulating supporting seat is mounted on the top of frame and embeds traveling nut, the lamination
The terminal of copper bar is overlapped on insulating supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910468877.6A CN110365086A (en) | 2019-05-31 | 2019-05-31 | A kind of highly integrated charger power cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910468877.6A CN110365086A (en) | 2019-05-31 | 2019-05-31 | A kind of highly integrated charger power cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110365086A true CN110365086A (en) | 2019-10-22 |
Family
ID=68214991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910468877.6A Pending CN110365086A (en) | 2019-05-31 | 2019-05-31 | A kind of highly integrated charger power cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110365086A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110943656A (en) * | 2019-12-10 | 2020-03-31 | 东风汽车集团有限公司 | Double-motor controller structure of integrated DCDC for hybrid vehicle |
| CN111255783A (en) * | 2020-01-21 | 2020-06-09 | 西安中车永电电气有限公司 | Fixing and limiting device is taken off in top down antiskid |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207304393U (en) * | 2017-09-07 | 2018-05-01 | 中车永济电机有限公司 | Rectification and the auxiliary converter power cell and composite bus bar of inversion facilitation |
| CN108494264A (en) * | 2018-05-30 | 2018-09-04 | 西安中车永电电气有限公司 | A kind of highly integrated light-weighted power device |
| CN211183807U (en) * | 2019-05-31 | 2020-08-04 | 西安中车永电电气有限公司 | Charger power device |
-
2019
- 2019-05-31 CN CN201910468877.6A patent/CN110365086A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207304393U (en) * | 2017-09-07 | 2018-05-01 | 中车永济电机有限公司 | Rectification and the auxiliary converter power cell and composite bus bar of inversion facilitation |
| CN108494264A (en) * | 2018-05-30 | 2018-09-04 | 西安中车永电电气有限公司 | A kind of highly integrated light-weighted power device |
| CN211183807U (en) * | 2019-05-31 | 2020-08-04 | 西安中车永电电气有限公司 | Charger power device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110943656A (en) * | 2019-12-10 | 2020-03-31 | 东风汽车集团有限公司 | Double-motor controller structure of integrated DCDC for hybrid vehicle |
| CN111255783A (en) * | 2020-01-21 | 2020-06-09 | 西安中车永电电气有限公司 | Fixing and limiting device is taken off in top down antiskid |
| CN111255783B (en) * | 2020-01-21 | 2021-08-03 | 西安中车永电电气有限公司 | Fixing and limiting device is taken off in top down antiskid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9093923B2 (en) | Three-level converter having phase bridge arm | |
| CN207304393U (en) | Rectification and the auxiliary converter power cell and composite bus bar of inversion facilitation | |
| CN103986354B (en) | Three-level rectifier | |
| CN204030991U (en) | Be applicable to the three-phase inversion composite bus bar of half-bridge module | |
| CN103354232A (en) | Parallel sub-module for VSC-HVDC (voltage source converter high voltage direct current) | |
| CN101860246A (en) | Inversion unit modularization structure device of photovoltaic inverter | |
| CN112787485A (en) | High-frequency DC-DC converter module and auxiliary converter system | |
| CN204068683U (en) | A kind of capacitance group of efficient low sense and install the power cell of this capacitance group | |
| CN110365086A (en) | A kind of highly integrated charger power cell | |
| CN103560682A (en) | Power driving system | |
| CN110943599B (en) | Multifunctional efficient power unit and power circuit thereof | |
| CN108494264A (en) | A kind of highly integrated light-weighted power device | |
| CN102148219B (en) | Power module of insulated gate bipolar transistor | |
| CN201682403U (en) | Modularized structure device of inverter unit in photovoltaic inverter | |
| CN103354231B (en) | A kind of IGBT power cell and the submodule for flexible DC power transmission | |
| CN211183807U (en) | Charger power device | |
| CN110445398A (en) | A kind of SiC-MOSFET power cell | |
| CN107911033B (en) | Design method for optimizing total stray inductance of main circuit and locomotive variable-current power unit | |
| CN205647282U (en) | Compact power module | |
| CN208836004U (en) | A kind of highly integrated light-weighted power device | |
| CN206294129U (en) | A kind of centralized high power MPPT off-network photovoltaic controllers | |
| CN209516929U (en) | A kind of raising frequency converter immunity module device | |
| CN209472560U (en) | A kind of seperated composite bus bar suitable for diesel locomotive power module | |
| CN207968337U (en) | Power concentration EMU traction composite bus bar | |
| CN218920245U (en) | Novel electrolytic capacitor type power unit module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |