CN114189128A - Resistance-inductance consistency direct current loop, current transformer and rail transit vehicle - Google Patents
Resistance-inductance consistency direct current loop, current transformer and rail transit vehicle Download PDFInfo
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- CN114189128A CN114189128A CN202010866056.0A CN202010866056A CN114189128A CN 114189128 A CN114189128 A CN 114189128A CN 202010866056 A CN202010866056 A CN 202010866056A CN 114189128 A CN114189128 A CN 114189128A
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- 239000003990 capacitor Substances 0.000 claims abstract description 86
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 31
- 229910052802 copper Inorganic materials 0.000 claims description 31
- 239000010949 copper Substances 0.000 claims description 31
- 238000001816 cooling Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 10
- 230000003068 static effect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/02—Mountings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Dc-Dc Converters (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a resistance-inductance consistency direct current loop of a converter, which is characterized in that a capacitor assembly comprises: a DC support capacitor having DC support capacitor terminals; the converter module includes: the IGBT device group comprises IGBT devices which are symmetrically arranged and connected in parallel relative to the connecting line of the direct-current support capacitor terminal, and the IGBT device group is connected with the direct-current support capacitor terminal in series through a line which is symmetrical relative to the connecting line of the direct-current support capacitor terminal; the direct current sides of the IGBT devices face the same side. Through optimizing cabinet body capacitor assembly and converter module physical structure, adopt the design of full symmetry formula return circuit, guarantee that the loop resistance and the inductance of each parallelly connected IGBT device branch road have higher uniformity, when guaranteeing the return circuit low-inductance, effectively improve the static current-sharing performance when IGBT connects in parallel, reduce the difference of each IGBT device output current and loss, improve the temperature-sharing nature. In addition, the invention also discloses a current transformer with the resistance-inductance consistency direct current loop and a rail transit vehicle.
Description
Technical Field
The invention relates to the technical field of rail transit vehicles, in particular to a resistance-inductance consistency direct-current circuit, a current transformer and a rail transit vehicle.
Background
With the increasing demand of the rail transit industry for megawatt high-power converters, people put higher requirements on the current, voltage and power levels of the IGBT. In order to meet the design requirement of a high-power circuit, the high-power IGBT is usually directly selected or the IGBT with a smaller power grade is selected to meet the circuit requirement through series-parallel connection. The former will greatly increase the product cost and the complexity of the driving circuit, and the latter is widely pursued due to the abundant market sources, low driving power and simple driving circuit. Therefore, the research and application of the IGBT parallel technology is helpful to meet the requirement of higher power.
When the IGBT devices are operated in parallel, the current distribution flowing through the parallel IGBT devices is not uniform due to the dispersion of the parameters of each module, the unreasonable design of a driving circuit, the asymmetric circuit layout and the like, so that the currents output by each device are different, the load of part of the devices is too heavy, the output effect of equipment is not ideal, and even the devices and the equipment are damaged. This will reduce the stability of the system, which will have serious consequences for the operation, and the lifetime of the IGBT module itself will be greatly shortened.
The saturation voltage drop of the existing parallel IGBT is a positive temperature coefficient, dynamic current sharing becomes a main difficulty restricting the IGBT parallel technology, more attention is paid to dynamic current sharing in the current application, and static current sharing is gradually ignored. The current test result shows that when the IGBT devices in the IGBT parallel circuit are in the same type selection, the small equivalent resistance difference of the collector or emitter leads can cause the great difference of static current sharing, so the layout, lead arrangement and the like of the parallel IGBT devices have great influence on the current sharing effect. When the influence of the main circuit on the IGBT current sharing is considered, both dynamic current sharing and static current sharing need to be considered, and the purposes of dynamic and static current sharing and soaking are achieved.
Therefore, a problem to be solved by those skilled in the art is how to provide a dc loop with impedance-inductance consistency for a converter, so as to achieve consistency between inductance and resistance of each parallel branch in a converter module, and reduce static non-uniform current property of parallel connection of IGBTs.
Disclosure of Invention
In view of this, the present invention provides a resistance-inductance consistency dc loop of a converter, which realizes consistency of inductance and resistance of each parallel branch in a converter module to reduce static non-uniformity of parallel connection of IGBTs. In addition, the invention also provides a current transformer with the resistance-inductance consistency direct current loop and a rail transit vehicle.
In order to achieve the purpose, the invention provides the following technical scheme:
a DC circuit with the resistance-inductance consistency of a converter comprises a capacitor assembly arranged in a converter cabinet body and a converter module electrically connected with the capacitor assembly,
the capacitance assembly includes: a DC support capacitor having DC support capacitor terminals;
the converter module includes: an IGBT device group comprising IGBT devices symmetrically arranged and connected in parallel with respect to the line of the DC support capacitance terminal, the IGBT device group being connected in series with the DC support capacitance terminal by a line symmetrical with respect to the line of the DC support capacitance terminal;
the direct current sides of the IGBT devices face the same side.
Preferably, in the impedance-inductance-matching dc circuit, the symmetrical line includes:
the capacitor bus bar is connected with the direct current support capacitor terminal in series, and the capacitor bus bar is symmetrical about a connecting line of the direct current support capacitor terminal;
the IGBT busbar is symmetrical about a connecting line of the direct current supporting capacitor terminal, and the IGBT busbar is connected with the IGBT device group and the capacitor busbar in series.
Preferably, in the resistance-inductance consistency direct current circuit, the positive copper bar and the negative copper bar of the IGBT busbar are both U-shaped and stacked, and the capacitor busbar is of a flat plate structure.
Preferably, in the above resistance-inductance-matching dc circuit, the symmetrical line further includes: and the busbar slotting tool is used for serially connecting the capacitor busbar and the IGBT busbar, and the anode and the cathode of the busbar slotting tool are symmetrically arranged relative to the connecting line of the direct-current support capacitor terminal.
Preferably, in the resistance-inductance consistency dc circuit, the busbar slotting tool includes two L-shaped structures, one is a positive electrode, the other is a negative electrode, and the two L-shaped structures are symmetrically distributed on two sides of the dc support capacitor terminal.
Preferably, in the resistance-inductance consistency direct current circuit, the busbar slotting tool is fixedly connected to the capacitor busbar through a bolt, the IGBT busbar is fixedly connected to the IGBT device through a bolt, and the capacitor busbar is fixedly connected to the direct current support capacitor terminal through a bolt.
Preferably, in the resistance-inductance consistency direct-current circuit, the IGBT busbar is connected in series with the busbar slotting tool through a connecting copper bar, and the positive pole piece and the negative pole piece of the connecting copper bar are symmetrically arranged.
Preferably, in the resistance-inductance consistency direct-current circuit, the positive electrode and the negative electrode of the busbar slotting tool are electrically connected with the connecting copper bar through the quick connector.
Preferably, in the above resistance-inductance consistency direct-current circuit, the quick connector is an elastic sheet type quick connector, and the connecting copper bar is an L-shaped copper bar.
Preferably, in the resistance-inductance consistency direct current loop, the connecting copper bar and the IGBT busbar are fixed by a bolt.
Preferably, in the resistance-inductance consistency direct current circuit, the positive electrode and the negative electrode of the junction between the direct current support capacitor terminal and the capacitor busbar are arranged in a staggered manner.
Preferably, in the above dc circuit with impedance-inductance consistency, the converter module further includes: and the double-sided radiator is symmetrical with respect to the direct current support capacitor terminal, and the IGBT devices are distributed on the radiating surfaces on two sides of the double-sided radiator.
Preferably, in the resistance-inductance-consistency direct-current circuit, the double-sided radiator is slidably mounted in the converter cabinet body in a drawing manner.
A current transformer comprising the resistive-inductive-uniformity direct current loop of any one of the above.
A rail transit vehicle comprises a current transformer, wherein the current transformer is the current transformer.
According to the resistance-inductance consistency direct current loop of the converter, the physical structures of the capacitor assembly of the cabinet and the converter module are optimized, the fully symmetrical loop design is adopted, the loop resistance and the inductance of each parallel IGBT device branch are ensured to have higher consistency, the low inductance of the loop is ensured, the static current sharing performance of the parallel IGBTs is effectively improved, the difference between the output current and the loss of each IGBT device is reduced, and the temperature sharing performance is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of a resistive-inductive-compliance DC loop disclosed in an embodiment of the present invention;
FIG. 2 is a side view of a resistive-inductive-compliance DC loop disclosed in an embodiment of the present invention;
FIG. 3 is a front view of a capacitor assembly disclosed in an embodiment of the present invention;
FIG. 4 is a side view of a capacitor assembly disclosed in an embodiment of the present invention;
FIG. 5 is a top view of a capacitor assembly disclosed in an embodiment of the present invention;
fig. 6 is a front view of a converter module disclosed in an embodiment of the present invention.
Detailed Description
The invention discloses a resistance-inductance consistency direct current loop of a converter, which realizes the consistency of inductance and resistance of each parallel branch in a converter module so as to reduce the static non-uniformity of IGBT parallel connection. In addition, the invention also discloses a current transformer with the resistance-inductance consistency direct current loop and a rail transit vehicle.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, the present application further discloses a resistance-inductance-uniformity dc circuit of a converter, which includes a capacitor assembly installed in a converter cabinet and a converter module electrically connected to the capacitor assembly, wherein the capacitor assembly includes: the direct current support capacitor 1 is provided with a direct current support capacitor terminal, the direct current support capacitor 1 is used as a core component for energy storage of the capacitor assembly, and is electrically connected with the converter module through the direct current support capacitor terminal, the structure and the size of the direct current support capacitor 1 are not limited, and particularly, a connecting line of the direct current support capacitor terminal forms a symmetry axis of the whole direct current loop. The above-mentioned converter module includes: and an IGBT device group, wherein the IGBT device group comprises IGBT devices 7 which are symmetrically arranged and connected in parallel relative to the direct current support capacitance terminal, and the IGBT device group is connected with the direct current support capacitance terminal in series through a line which is symmetrical relative to the direct current support capacitance terminal. The dc sides of the IGBT devices 7 all face the same side. Through optimizing cabinet body capacitor assembly and converter module physical structure, adopt the design of full symmetry formula return circuit, guarantee that the loop resistance and the inductance of each parallelly connected IGBT device branch road have higher uniformity, when guaranteeing the return circuit low-inductance, effectively improve the static current-sharing performance when IGBT connects in parallel, reduce the difference of each IGBT device output current and loss, improve the temperature-sharing nature.
In a specific embodiment, the symmetric circuit includes: the capacitor busbar 2 and the IGBT busbar 6 are electrically connected with the capacitor assembly and the transformer module through the capacitor busbar 2 and the IGBT busbar 6. In order to ensure the consistency of the resistance of each branch, the capacitor busbar 2 and the IGBT busbar 6 are both arranged to be in a structure which is symmetrically arranged with the connecting line of the direct current support capacitor terminal. Specifically, the direct current support capacitor terminal, the capacitor busbar 2, the IGBT busbar 6 and the IGBT device 7 are arranged in series. In practice, other structures can be adopted to realize the series connection of the direct current support capacitor 1 and the IGBT device 7.
Preferably, the positive copper bar and the negative copper bar of the above-mentioned IGBT busbar 6 are both U-shaped and are stacked, that is, the IGBT busbar 6 is a U-shaped structure, the U-shaped structure can effectively reduce the stray inductance of the dc circuit and the peak voltage when the IGBT device is turned on and off, and meanwhile, the U-shaped design of the positive copper bar and the negative copper bar has the characteristic of uniform path, which is beneficial to realizing the uniformity of the main loop of the symmetrical IGBT device 7. In addition, the capacitor bus bar 6 is of a flat plate structure, and the structure is simple.
In a further embodiment, the symmetrical circuit further includes a busbar slotting tool 3 for serially connecting the capacitor busbar 2 and the IGBT busbar 6, and the positive electrode and the negative electrode of the busbar slotting tool 3 are symmetrically arranged with respect to a connecting line of the dc support capacitor terminal.
The busbar slotting tool 3 comprises two L-shaped structures, namely two plates of the busbar slotting tool 3 are L-shaped, and are symmetrically arranged during installation, namely right-angle openings of the L-shaped structures are arranged back to back or oppositely, and a right-angle edge of the L-shaped structure is fixedly connected with the capacitor busbar 2. Preferably, two L-shaped structures are distributed on two sides of the dc support capacitor terminal in the present application. The shape of the busbar slotting tool 3 can be other structures as long as the parts arranged on the two sides of the direct current support capacitor terminal are symmetrical. The junction of the cabinet body direct current support capacitor terminal and the capacitor busbar 2 is arranged between the positive pole and the negative pole of the busbar slotting tool, and under the condition of meeting the requirement of electrical insulation design, the positive and negative paths from the positive pole and the negative pole of the direct current support capacitor 1 to the busbar slotting tool 3 can be ensured to be consistent, and the resistance inductance consistency of the connecting section loop is effectively improved.
Specifically, the busbar slotting tool 3 is fixed on the capacitor busbar 2 through a bolt, and the IGBT busbar 6 is fixedly connected with the IGBT device 7 through a bolt. The capacitor busbar 2 is fixedly connected with the direct current support capacitor terminal through a bolt. Adopt bolted connection, connect reliably and convenient to detach, also can adopt other connected modes in practice, for example joint or bonding etc. and all in protection range.
Further, the IGBT busbar 6 is connected with the busbar slotting tool 3 in series through the connecting copper bar 5, the anode piece and the cathode piece of the connecting copper bar 5 are symmetrically arranged, the connecting copper bar 5 is arranged to adjust the connecting position, and the stability of electric connection is guaranteed.
In order to realize the electric connection of capacitor assembly and converter module, specifically, realize connecting copper bar 5 and female the electric connection of arranging slotting tool 3, still set up quick-connect 4 in this application. The quick electric connection between the busbar slotting tool 3 and the connecting copper bar 5 can be realized through the quick connector 4, the bolt fastening is avoided, and the installation and maintenance time of a converter module is saved.
In a specific embodiment, the quick connector 4 is a spring plate type quick connector, and the connecting copper bar 5 is an L-shaped copper bar. The elastic sheet type quick connector 4 realizes quick connection through deformation of the elastic sheet, and is simple in structure and reliable in connection. Through the design of the U-shaped IGBT busbar 6 and the combined connection of the L-shaped connecting copper bars 5, the use number and the material cost of the composite busbar are reduced, the volume space of the parallel application of the IGBT device 7 can be effectively saved, and the structure is simpler and more compact. The concrete shape of the connecting copper bar 5 can be set according to different requirements and is within the protection range.
Specifically, the connecting copper bar 5 and the IGBT busbar 6 are fixed through bolts. The fixing method for connecting the copper bar 5 and the IGBT bus bar 6 is disclosed here, and other fixing methods, such as clamping or bonding, may be adopted in practice.
In a specific embodiment, the positive and negative electrodes of the junction of the dc support capacitor terminal and the capacitor bus bar 2 are arranged in a staggered manner. This section may refer to a specific structure in the prior art.
In order to realize heat dissipation, the above-mentioned converter module further includes a double-sided heat sink, wherein the double-sided heat sink 8 is a heat sink symmetrical with respect to the dc supporting capacitor terminal, and the IGBT devices 7 are distributed on heat dissipation surfaces on both sides of the double-sided heat sink 8. Specifically, the double-sided radiator 8 is slidably installed in the converter cabinet body in a drawing manner. The concrete connection mode of the double-sided radiator 8 and the converter cabinet body can be set according to different requirements and is within the protection range.
With the above arrangement, the configuration of the parallel number of the IGBT devices 7 can be realized by adjusting the external ac line connection mode and the like. The direct current loop connection structure can realize the universality of parallel topology structures of different IGBT devices 7, meet different levels of power output, and is favorable for realizing the simplified and standardized design of materials. According to the actual power requirement, the parallel connection quantity of the IGBTs can be further expanded, and the series design of the converter modules is realized.
In addition, the present application discloses a converter, which includes a resistance-inductance consistency dc loop, where the resistance-inductance consistency dc loop is the resistance-inductance consistency dc loop disclosed in the above embodiments, and therefore, the converter having the resistance-inductance consistency dc loop also has all the above technical effects, and details thereof are not repeated herein.
In addition, the application also discloses a rail transit vehicle, which comprises a current transformer, wherein the current transformer is the current transformer disclosed in the embodiment, so that the rail transit vehicle with the current transformer also has all the technical effects.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (15)
1. A resistance-inductance consistency direct current loop of a converter comprises a capacitor assembly arranged in a converter cabinet body and a converter module electrically connected with the capacitor assembly, and is characterized in that,
the capacitance assembly includes: a DC support capacitor (1) having a DC support capacitor terminal;
the converter module includes: an IGBT device group comprising IGBT devices (7) arranged symmetrically and in parallel with respect to the line of the DC support capacitive terminal, said IGBT device group being connected in series with the DC support capacitive terminal by a line symmetrical with respect to the line of the DC support capacitive terminal;
the direct current sides of the IGBT devices (7) face the same side.
2. The rc-dc circuit of claim 1, wherein the symmetrical circuit comprises:
the capacitor bus bar (2) is connected with the direct current support capacitor terminal in series, and the capacitor bus bar (2) is symmetrical about a connecting line of the direct current support capacitor terminal;
the IGBT bus bar (6) is symmetrical with respect to a connecting line of the direct current supporting capacitor terminal, and the IGBT bus bar (6) is connected with the IGBT device group and the capacitor bus bar (2) in series.
3. The inductance-resistance consistency direct current circuit according to claim 2, wherein the positive copper bar and the negative copper bar of the IGBT busbar (6) are U-shaped and are arranged in a stacked manner, and the capacitor busbar (2) is of a flat plate structure.
4. The rc-dc circuit of claim 2, wherein the symmetrical circuit further comprises: the busbar slotting tool (3) is used for serially connecting the capacitor busbar (2) and the IGBT busbar (6), and the anode and the cathode of the busbar slotting tool (3) are symmetrically arranged relative to the connecting line of the direct-current support capacitor terminal.
5. The inductance-resistance consistency direct current loop according to claim 4, wherein the busbar slotting tool (3) comprises two L-shaped structures, one is a positive electrode, the other is a negative electrode, and the two L-shaped structures are symmetrically distributed on two sides of the direct current support capacitor terminal.
6. The resistance-inductance consistency direct current loop according to claim 4, wherein the busbar slotting tool (3) is fixedly connected to the capacitor busbar (2) through a bolt, the IGBT busbar (6) is fixedly connected to the IGBT device (7) through a bolt, and the capacitor busbar (2) is fixedly connected to the direct current support capacitor terminal through a bolt.
7. The resistance-inductance consistency direct current circuit according to claim 3, characterized in that the IGBT busbar (6) is connected in series with the busbar slotting tool (3) through a connecting copper bar (5), and the positive pole piece and the negative pole piece of the connecting copper bar (5) are symmetrically arranged.
8. The inductance-resistance consistency direct current circuit according to claim 7, characterized in that the positive electrode and the negative electrode of the busbar slotting tool (3) are electrically connected with the connecting copper bar (5) through a quick connector (4).
9. The inductance-resistance consistency direct-current circuit according to claim 8, characterized in that the quick connector (4) is a spring plate type quick connector, and the connecting copper bar (5) is an L-shaped copper bar.
10. The inductance-resistance consistency direct current loop according to claim 7, characterized in that the connecting copper bar (5) and the IGBT busbar (6) are fixed through bolts.
11. The resistance-inductance consistency direct current loop according to claim 1, characterized in that the positive and negative electrodes of the junction of the direct current support capacitor terminal and the capacitor busbar (2) are arranged in a staggered manner.
12. The rc-dc circuit according to any of claims 1-11, wherein the converter module further comprises: the double-sided radiator (8), double-sided radiator (8) are the radiator of direct current support capacitor terminal symmetry, and IGBT device (7) distribute on the cooling surface of both sides of double-sided radiator (8).
13. The inductance-resistance consistent direct current loop according to claim 12, wherein the double-sided heat sink (8) is slidably mounted in the converter cabinet body in a drawing manner.
14. A current transformer comprising a resistive-inductive-coherent dc loop according to any of claims 1 to 13.
15. A rail vehicle comprising a converter, characterized in that the converter is according to claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010866056.0A CN114189128B (en) | 2020-08-25 | 2020-08-25 | Resistance-sense consistency direct current loop, converter and rail transit vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010866056.0A CN114189128B (en) | 2020-08-25 | 2020-08-25 | Resistance-sense consistency direct current loop, converter and rail transit vehicle |
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| Publication Number | Publication Date |
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| CN114189128A true CN114189128A (en) | 2022-03-15 |
| CN114189128B CN114189128B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010866056.0A Active CN114189128B (en) | 2020-08-25 | 2020-08-25 | Resistance-sense consistency direct current loop, converter and rail transit vehicle |
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|---|---|---|---|---|
| KR20070120237A (en) * | 2006-06-19 | 2007-12-24 | 홍억선 | The igbt stack device of the equipartition parallel construct for the bulk electric power inverter |
| CN202026233U (en) * | 2011-03-03 | 2011-11-02 | 深圳市禾望电气有限公司 | IGBT(Insulated Gate Bipolar Transistor) power module system structure |
| WO2018040308A1 (en) * | 2016-08-31 | 2018-03-08 | 浙江海得新能源有限公司 | Power cabinet for wind power converter |
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| CN109525126A (en) * | 2018-12-29 | 2019-03-26 | 上海大郡动力控制技术有限公司 | Major loop topological structure based on IGBT parallel current-sharing |
| CN209731098U (en) * | 2019-05-30 | 2019-12-03 | 成都通用整流电器研究所 | A kind of plasma power supply IGBT copped wave rectification unit modular structure |
| US20200053900A1 (en) * | 2017-01-13 | 2020-02-13 | Cree Fayetteville, Inc. | High Power Multilayer Module Having Low Inductance and Fast Switching for Paralleling Power Devices |
-
2020
- 2020-08-25 CN CN202010866056.0A patent/CN114189128B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070120237A (en) * | 2006-06-19 | 2007-12-24 | 홍억선 | The igbt stack device of the equipartition parallel construct for the bulk electric power inverter |
| CN202026233U (en) * | 2011-03-03 | 2011-11-02 | 深圳市禾望电气有限公司 | IGBT(Insulated Gate Bipolar Transistor) power module system structure |
| WO2018040308A1 (en) * | 2016-08-31 | 2018-03-08 | 浙江海得新能源有限公司 | Power cabinet for wind power converter |
| US20200053900A1 (en) * | 2017-01-13 | 2020-02-13 | Cree Fayetteville, Inc. | High Power Multilayer Module Having Low Inductance and Fast Switching for Paralleling Power Devices |
| CN109510474A (en) * | 2018-11-27 | 2019-03-22 | 江苏同芯电气科技有限公司 | A kind of large capacity inverter module that high current/high-voltage I GBT is directly in parallel |
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| CN114189128B (en) | 2024-03-01 |
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