CN103259388A - Modularized power unit and inverter - Google Patents
Modularized power unit and inverter Download PDFInfo
- Publication number
- CN103259388A CN103259388A CN2013101576875A CN201310157687A CN103259388A CN 103259388 A CN103259388 A CN 103259388A CN 2013101576875 A CN2013101576875 A CN 2013101576875A CN 201310157687 A CN201310157687 A CN 201310157687A CN 103259388 A CN103259388 A CN 103259388A
- Authority
- CN
- China
- Prior art keywords
- insulation crust
- drive circuit
- power
- power device
- low inductance
- 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.)
- Granted
Links
Images
Landscapes
- Inverter Devices (AREA)
Abstract
The invention provides a modularized power unit which comprises an insulative outer shell where power devices are arranged in a sealed mode, a drive circuit box where a drive circuit board is arranged in a sealed mode and a low-inductance busbar with multiple wiring terminals. The low-inductance busbar is fixed on the power devices in the insulative outer shell and electrically connected with the power devices. The drive circuit box is fixed on the insulative outer shell and the drive circuit board is provided with a set of control output ends which are connected with the power devices in the insulative outer shell. The invention further provides the modularized power unit where two power devices are arranged in a sealed mode and an inverter corresponding to the modularized power unit. The power devices are arranged in a sealed and isolated mode and a modularized structure is used so as to achieve a hardware topology structure of an inverting circuit in the industrial field. Maximum multiplexing of technology and high reliability are achieved.
Description
Technical field
The present invention relates to the converter technique field, more particularly, relate to the modular power unit that uses in a kind of high power contravariant device.
Background technology
Fast development along with industrial automation field power electronic technology, variable-frequency control technique has obtained using widely in recent years, except good control performance, the user has also had higher requirement to volume, maintainability, modularized design, the fail safe of frequency converter.
The power model of existing modularized design comprises the transverse module that is drawer type and is the long-pending book-type module of carrier, and application number is that two applications for a patent for invention of 200810000169.1 and 201210109947.7 disclose above-mentioned two kinds of power models respectively.This power model of two types by radiator, high pressure IGBT, height forced down the inductance busbar, exchange busbar, high pressure supports parts such as electric capacity, high voltage gate drive circuit, gate-drive power supply and control unit and is integrated in one and constitutes complete three-phase two level inverter circuits.
Generally speaking, when these two kinds of power models were safeguarded, for example IGBT changed etc., needs whole power model is removed.Since this power model of two types integrated a complete three-phase inverting circuit, heavier relatively (greater than 60kg), when removing from equipment, need to use special-purpose frock car it to be risen to parallel with power model, take the fixing point of power model then apart, move on the frock and send and safeguard that the place opens it by specific purpose tool, remove inner connection busbar, exchange busbar, drive signal line cable, gate drive circuit etc., by the definite parts that need maintenance of proprietary instrument and meter, it is removed replacing.
Above-mentioned power model is applicable to specific occasions, is a kind of relatively curing or special-purpose design, has satisfied the requirement of equipment in principle and function, but can't realize in the same module that the technology of different capacity section is multiplexing; And because the volume of power model is big, relatively heavier, under the situation of not tearing any parts open, be difficult to the problematic device in location, when safeguarding the device that damages, need a lot of and its irrelevant parts of dismounting; In addition, this power model only has a kind of fixing hardware topology, can only be applied to the module of three-phase two clamping power.
Summary of the invention
The technical problem to be solved in the present invention is, at above-mentioned power model expansibility, maintainability, the relatively poor problem of flexibility, provides a kind of modular power unit.
The technical scheme that the present invention solves the problems of the technologies described above is, a kind of modular power unit is provided, and comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with a power device and the low inductance busbar with a plurality of binding posts; Wherein: described low inductance busbar is fixed on the interior power device of insulation crust and with this power device and is electrically connected; Described drive circuit box is fixed on the described insulation crust and drive circuit board has the one group of control output end that is connected to the power device in the insulation crust.
In modular power unit of the present invention, have first installation position and second installation position on the described insulation crust; Described first installation position by the upper surface of insulation crust recessed form and with the shape and size of single power device coupling, described power device is installed in this first installation position and in this first installation position and is provided with temperature sensor; The sidepiece of insulation crust is located in described second installation position, and described drive circuit box is installed to second installation position; Described low inductance busbar is covered in the upper surface of insulation crust and is fixed to described power device.
In modular power unit of the present invention, described power device is high pressure IGBT; Described low inductance busbar comprises a plurality of first binding posts and a plurality of second binding post, and described a plurality of first binding post is electrically connected to a C terminal of power device, a plurality of second binding post are electrically connected to power device respectively by screw E terminal by screw respectively.
The present invention also provides a kind of modular power unit, comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with two power devices and the low inductance busbar with a plurality of binding posts; Wherein: described low inductance busbar is fixed on two interior power devices of insulation crust and with these two power devices and is electrically connected; Described drive circuit box is fixed on the described insulation crust and drive circuit board comprises that two groups of control output ends and each group control output end are connected respectively to a power device in the insulation crust.
In modular power unit of the present invention, have first installation position and second installation position on the described insulation crust; Described first installation position by the upper surface of insulation crust recessed form and with the shape and size of two power devices coupling, described two power devices are installed in this first installation position and in this first installation position and are provided with temperature sensor; The sidepiece of insulation crust is located in described second installation position, and described drive circuit box is installed to second installation position; Described low inductance busbar is covered in the upper surface of insulation crust and is fixed to described power device.
In modular power unit of the present invention, described two power devices are respectively high pressure IGBT; Described low inductance busbar comprises a plurality of first binding posts and a plurality of second binding post, described a plurality of first binding post is electrically connected to the C terminal of two power devices respectively by screw, a plurality of second binding posts are electrically connected to the E terminal of power device respectively by screw.
The present invention also provides a kind of inverter, comprise six modular power units and peripheral circuit, each modular power unit comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with a power device and the low inductance busbar with a plurality of binding posts; Wherein: described low inductance busbar is fixed on the interior power device of insulation crust and with this power device and is electrically connected; Described drive circuit box is fixed on the described insulation crust and the output of drive circuit board is connected to the interior power device of insulation crust.
The present invention also provides a kind of inverter, comprise 18 modular power units and peripheral circuit, each modular power unit comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with a power device and the low inductance busbar with a plurality of binding posts; Wherein: described low inductance busbar is fixed on the interior power device of insulation crust and with this power device and is electrically connected; Described drive circuit box is fixed on the described insulation crust and the output of drive circuit board is connected to the interior power device of insulation crust.
The present invention also provides a kind of inverter, comprise three modular power units and peripheral circuit, each modular power unit comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with two power devices and the low inductance busbar with a plurality of binding posts; Wherein: described low inductance busbar is fixed on two interior power devices of insulation crust and with these two power devices and is electrically connected; Described drive circuit box is fixed on the described insulation crust and drive circuit board comprises that two groups of control output ends and each group control output end are connected respectively to a power device in the insulation crust.
The present invention also provides a kind of inverter, comprise nine modular power units and peripheral circuit, each modular power unit comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with two power devices and the low inductance busbar with a plurality of binding posts; Wherein: described low inductance busbar is fixed on two interior power devices of insulation crust and with these two power devices and is electrically connected; Described drive circuit box is fixed on the described insulation crust and drive circuit board comprises that two groups of control output ends and each group control output end are connected respectively to a power device in the insulation crust.
Modular power unit of the present invention and inverter by power device being encapsulated separately and using modular construction, can be realized the hardware topology structure of industrial circle inverter circuit, thereby realize that technique maximized is multiplexing, and have high reliability.The present invention is except the demand that satisfies direct project, and also compatibility is to the instructions for use of seriation different capacity, different electric pressures.
Description of drawings
Fig. 1 is the schematic diagram of modular power unit embodiment of the present invention.
Fig. 2 is the electrical block diagram of modular power unit among Fig. 1.
Fig. 3 is the electrical block diagram of another embodiment of modular power unit of the present invention.
Fig. 4 is the electrical block diagram of the embodiment of inverter of the present invention.
Fig. 5 is the electrical block diagram of another embodiment of inverter of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
As shown in Figure 1, 2, be the schematic diagram of modular power unit embodiment of the present invention.Modular power unit 10 in the present embodiment comprises the insulation crust 11 that is packaged with a power device 13, the low inductance busbar 14 that is packaged with the drive circuit box 12 of drive circuit (gate drive circuit) plate and has a plurality of binding posts.In the above-mentioned modular power unit 10, low inductance busbar is fixed on the power device 13 in the insulation crust 11 and with these power device 13 conductions by screw 15 and is connected.The drive circuit board that drive circuit box 12 is fixed on the insulation crust 11 and this drive circuit box is interior has the one group of control output end that is connected to the power device 13 in the insulation crust 11.
Particularly, power device 13 can be realized encapsulation by following structure: at insulation crust 11 first installation position is set, this first installation position by the upper surface of insulation crust 11 recessed form and with the shape and size of single power device 13 coupling, power device 13 directly is installed in this first installation position.
Correspondingly, drive circuit box 12 can be installed to insulation crust 11 by following structure: the sidepiece at insulation crust 11 arranges second installation position, and drive circuit box 12 is fixed on second installation position by screw etc.Drive circuit boards in the drive circuit box 12 have power input interface and control signal input interface (for example optical fiber interface), and the terminal 133(that the control output end of this drive circuit board is connected respectively to power device 13 comprises C terminal, G terminal, E terminal).
In above-mentioned insulation crust 11, temperature sensor 111(can be set for example can be located in first installation position), so that power device 13 is carried out monitoring temperature.
When specific implementation, first binding post 141 of above-mentioned low inductance busbar 14 and second binding post 142 can be realized being electrically connected with C terminal 131 and the E terminal 132 of power device 13 by screw 15.Particularly, above-mentioned screw 15 passes C terminal 131 and the E terminal 132 that first binding post 141 on the low inductance busbar 14 and second binding post 142 are screwed to power device 13.
Above-mentioned power device 13 can adopt high pressure IGBT, for example the IGBT of 1200V, 1700V, 3300V, 4500V, 6500V electric pressure.Thereby can realize product seriation by this modular power unit 10, the electric pressure of the inverter of being made up of this modular power unit can be from 380V to 6000V, the IGBT power device can be from 450A to 3600A, and by different combinations, overlayable power grade is from 300kW to 10MW.
The insulation crust 11 of this modular power unit 10 can adopt high strength composite, single power device is encapsulated as power cell, in inverter circuit, enough become a main circuit by a plurality of power cells, can be used in the engineering mechanical device of high vibration operating mode, have advantages such as good anti-vibration, mechanical fatigue durability are strong.For example in the three-phase two-level inverter that is constituted by 6 modular power units, each power cell is realized being connected by independent cushion blocking and housing, under height shakes high operating mode, in mechanical oscillation active force mean allocation to 6 power cell of whole inverter, compare with the power cell of other type, greatly reduce the vibratory impulse power of unit, increased reliability of products, environmental suitability.
The present invention also provides a kind of modular power unit (half-bridge encapsulation) that is packaged with two power devices, and it comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with two power devices and the low inductance busbar with a plurality of binding posts.
Low inductance busbar is fixed on two interior power devices of insulation crust and with these two power devices and is electrically connected in the present embodiment.The drive circuit box is fixed on the insulation crust and drive circuit board comprises two groups of control output ends, and each group control output end is connected respectively to a power device in the insulation crust.
When package power device and installation drive circuit box, can first installation position and second installation position be set at insulation crust; Wherein first installation position by the upper surface of insulation crust recessed form and with the shape and size of two power devices coupling, two power devices are installed in this first installation position and (in this first installation position temperature sensor can be set); The sidepiece of insulation crust is located in second installation position, and the drive circuit box is installed to second installation position; Low inductance busbar is covered in the upper surface of insulation crust and is fixed to described power device.
Two power devices in the insulation crust are respectively high pressure IGBT, and it can form last brachium pontis and following brachium pontis in the inverter, as shown in Figure 3.Low inductance busbar is provided with a plurality of first binding posts and a plurality of second binding post, above-mentioned a plurality of first binding post is electrically connected to the C terminal of power device respectively by screw, a plurality of second binding posts are electrically connected to the E terminal of power device respectively by screw.In addition, this low inductance busbar also can comprise the 3rd binding post of connected system busbar.
As shown in Figure 4, the present invention also provides a kind of three-phase two-level inverter, this inverter comprises six modular power units and peripheral circuit, and wherein each modular power unit comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with a power device and the low inductance busbar with a plurality of binding posts.Above-mentioned low inductance busbar can be realized being electrically connected with power device by screw.
Has temperature sensor in the above-mentioned insulation crust; And low inductance busbar is fixed on the interior power device of insulation crust and with this power device and is electrically connected; The drive circuit box is fixed on the described insulation crust and the output of drive circuit board is connected to the interior power device of insulation crust.
Above-mentioned inverter is when regular maintenance or inspection, the probe of available instrument and meter is connected to C, the E terminal of power device fast, carry out inspection and the judgement of IGBT power device, compare with other modular frequency converter, saved loaded down with trivial details dismounting, if the power device that damages is located, can directly this modular power unit be removed, change new getting on and get final product.Because the volume of modular power unit is little, in light weight, can be between narrow and small appearance in, need not realize safeguarding by any peripheral frock or lifting platform.
Above-mentioned three-phase two-level inverter also can be made of modular power unit shown in Figure 3, namely comprise three modular power units and peripheral circuit, each modular power unit comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with two power devices and the low inductance busbar with a plurality of binding posts.Has temperature sensor in the insulation crust; Low inductance busbar is fixed on two interior power devices of insulation crust and with these two power devices and is electrically connected; The drive circuit box is fixed on the described insulation crust and drive circuit board comprises that two groups of control output ends and each group control output end are connected respectively to a power device in the insulation crust.
The present invention also provides a kind of three-phase tri-level inverter, as shown in Figure 5.This inverter comprises 18 modular power units and peripheral circuit, and each modular power unit comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with a power device and the low inductance busbar with a plurality of binding posts.Has temperature sensor in the insulation crust; Low inductance busbar is fixed on the interior power device of insulation crust and with this power device and is electrically connected; The drive circuit box is fixed on the described insulation crust and the output of drive circuit board is connected to the interior power device of insulation crust.
Above-mentioned three-phase tri-level inverter also can be made of modular power unit shown in Figure 3, namely comprise nine modular power units and peripheral circuit, each modular power unit comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with two power devices and the low inductance busbar with a plurality of binding posts.Has temperature sensor in the insulation crust; Low inductance busbar is fixed on two interior power devices of insulation crust and with these two power devices and is electrically connected; The drive circuit box is fixed on the described insulation crust and drive circuit board comprises that two groups of control output ends and each group control output end are connected respectively to a power device in the insulation crust.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. a modular power unit is characterized in that: comprise insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with a power device and the low inductance busbar with a plurality of binding posts; Wherein: described low inductance busbar is fixed on the interior power device of insulation crust and with this power device and is electrically connected; Described drive circuit box is fixed on the described insulation crust and drive circuit board has the one group of control output end that is connected to the power device in the insulation crust.
2. modular power unit according to claim 1 is characterized in that: have first installation position and second installation position on the described insulation crust; Described first installation position by the upper surface of insulation crust recessed form and with the shape and size of single power device coupling, described power device is installed in this first installation position and in this first installation position and is provided with temperature sensor; The sidepiece of insulation crust is located in described second installation position, and described drive circuit box is installed to second installation position; Described low inductance busbar is covered in the upper surface of insulation crust and is fixed to described power device.
3. modular power unit according to claim 1 and 2, it is characterized in that: described power device is high pressure IGBT; Described low inductance busbar comprises a plurality of first binding posts and a plurality of second binding post, and described a plurality of first binding post is electrically connected to a C terminal of power device, a plurality of second binding post are electrically connected to power device respectively by screw E terminal by screw respectively.
4. a modular power unit is characterized in that: comprise insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with two power devices and the low inductance busbar with a plurality of binding posts; Wherein: described low inductance busbar is fixed on two interior power devices of insulation crust and with these two power devices and is electrically connected; Described drive circuit box is fixed on the described insulation crust and drive circuit board comprises that two groups of control output ends and each group control output end are connected respectively to a power device in the insulation crust.
5. modular power unit according to claim 4 is characterized in that: have first installation position and second installation position on the described insulation crust; Described first installation position by the upper surface of insulation crust recessed form and with the shape and size of two power devices coupling, described two power devices are installed in this first installation position and in this first installation position and are provided with temperature sensor; The sidepiece of insulation crust is located in described second installation position, and described drive circuit box is installed to second installation position; Described low inductance busbar is covered in the upper surface of insulation crust and is fixed to described power device.
6. according to claim 4 or 5 described modular power units, it is characterized in that: described two power devices are respectively high pressure IGBT; Described low inductance busbar comprises a plurality of first binding posts and a plurality of second binding post, described a plurality of first binding post is electrically connected to the C terminal of two power devices respectively by screw, a plurality of second binding posts are electrically connected to the E terminal of power device respectively by screw.
7. inverter, it is characterized in that: comprise six modular power units and peripheral circuit, each modular power unit comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with a power device and the low inductance busbar with a plurality of binding posts; Wherein: described low inductance busbar is fixed on the interior power device of insulation crust and with this power device and is electrically connected; Described drive circuit box is fixed on the described insulation crust and the output of drive circuit board is connected to the interior power device of insulation crust.
8. inverter, it is characterized in that: comprise 18 modular power units and peripheral circuit, each modular power unit comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with a power device and the low inductance busbar with a plurality of binding posts; Wherein: described low inductance busbar is fixed on the interior power device of insulation crust and with this power device and is electrically connected; Described drive circuit box is fixed on the described insulation crust and the output of drive circuit board is connected to the interior power device of insulation crust.
9. inverter, it is characterized in that: comprise three modular power units and peripheral circuit, each modular power unit comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with two power devices and the low inductance busbar with a plurality of binding posts; Wherein: described low inductance busbar is fixed on two interior power devices of insulation crust and with these two power devices and is electrically connected; Described drive circuit box is fixed on the described insulation crust and drive circuit board comprises that two groups of control output ends and each group control output end are connected respectively to a power device in the insulation crust.
10. inverter, it is characterized in that: comprise nine modular power units and peripheral circuit, each modular power unit comprises insulation crust, the drive circuit box that is packaged with drive circuit board that is packaged with two power devices and the low inductance busbar with a plurality of binding posts; Wherein: described low inductance busbar is fixed on two interior power devices of insulation crust and with these two power devices and is electrically connected; Described drive circuit box is fixed on the described insulation crust and drive circuit board comprises that two groups of control output ends and each group control output end are connected respectively to a power device in the insulation crust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310157687.5A CN103259388B (en) | 2013-05-02 | 2013-05-02 | Modular power unit and inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310157687.5A CN103259388B (en) | 2013-05-02 | 2013-05-02 | Modular power unit and inverter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103259388A true CN103259388A (en) | 2013-08-21 |
| CN103259388B CN103259388B (en) | 2016-02-10 |
Family
ID=48963143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310157687.5A Active CN103259388B (en) | 2013-05-02 | 2013-05-02 | Modular power unit and inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103259388B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808797A (en) * | 2014-12-30 | 2016-07-27 | 南车株洲电力机车研究所有限公司 | Structure-based high-frequency modeling method for lamination busbar |
| CN106533133A (en) * | 2016-12-01 | 2017-03-22 | 南通沃特光电科技有限公司 | Packaging method of high-voltage frequency converter power unit |
| CN108512440A (en) * | 2018-05-04 | 2018-09-07 | 北京金风科创风电设备有限公司 | Current conversion device and bipolar current conversion system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030133268A1 (en) * | 2002-01-16 | 2003-07-17 | Radosevich Lawrence D. | Thermally matched fluid cooled power converter |
| CN200994104Y (en) * | 2006-12-20 | 2007-12-19 | 谢步明 | Modularized power unit IGBT driver |
| CN201528267U (en) * | 2009-07-27 | 2010-07-14 | 江苏南自通华电气成套有限公司 | Power module component |
| CN101795064A (en) * | 2010-03-11 | 2010-08-04 | 荣信电力电子股份有限公司 | Power phase module based on IEGT |
| CN102097418A (en) * | 2010-12-17 | 2011-06-15 | 中国北车股份有限公司大连电力牵引研发中心 | IGBT driving unit |
| US20120001227A1 (en) * | 2010-06-18 | 2012-01-05 | Fuji Electric Co., Ltd. | Power semiconductor module |
-
2013
- 2013-05-02 CN CN201310157687.5A patent/CN103259388B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030133268A1 (en) * | 2002-01-16 | 2003-07-17 | Radosevich Lawrence D. | Thermally matched fluid cooled power converter |
| CN200994104Y (en) * | 2006-12-20 | 2007-12-19 | 谢步明 | Modularized power unit IGBT driver |
| CN201528267U (en) * | 2009-07-27 | 2010-07-14 | 江苏南自通华电气成套有限公司 | Power module component |
| CN101795064A (en) * | 2010-03-11 | 2010-08-04 | 荣信电力电子股份有限公司 | Power phase module based on IEGT |
| US20120001227A1 (en) * | 2010-06-18 | 2012-01-05 | Fuji Electric Co., Ltd. | Power semiconductor module |
| CN102097418A (en) * | 2010-12-17 | 2011-06-15 | 中国北车股份有限公司大连电力牵引研发中心 | IGBT driving unit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808797A (en) * | 2014-12-30 | 2016-07-27 | 南车株洲电力机车研究所有限公司 | Structure-based high-frequency modeling method for lamination busbar |
| CN105808797B (en) * | 2014-12-30 | 2018-11-30 | 南车株洲电力机车研究所有限公司 | A kind of structure-based low-inductance bus high frequency modeling method |
| CN106533133A (en) * | 2016-12-01 | 2017-03-22 | 南通沃特光电科技有限公司 | Packaging method of high-voltage frequency converter power unit |
| CN108512440A (en) * | 2018-05-04 | 2018-09-07 | 北京金风科创风电设备有限公司 | Current conversion device and bipolar current conversion system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103259388B (en) | 2016-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106329955B (en) | High integration metro traction chopped power module | |
| CN103916034B (en) | Inverted power module | |
| CN201956887U (en) | Power module for high-power frequency converter | |
| CN103259388B (en) | Modular power unit and inverter | |
| CN103457482A (en) | Modular motor inverter arrangement with cooling sections forming inner duct ring capacitor on the outside | |
| CN102739069A (en) | Power semiconductor module and power electronic device applying same | |
| CN103299529B (en) | The energy supply system with multiphase matrix converter and the method running this system | |
| CN104092222B (en) | A kind of power cell and high-tension electricity conversion equipment | |
| CN109981092A (en) | The hybrid dc circuit breaker and application method of a kind of full-bridge modules, full-bridge modules | |
| CN102148219B (en) | Power module of insulated gate bipolar transistor | |
| CN103916025A (en) | Power conversion unit | |
| CN106664029A (en) | Power converter and assembly method for assembling a power converter | |
| JP2013206761A (en) | Battery system | |
| CN102170220A (en) | Component connection structure of voltage source converter based on full-control device | |
| CN207303710U (en) | High voltage power distributing cabinet and system | |
| CN202713122U (en) | Servo driver power loop unit based on low inductance bus | |
| CN103515556B (en) | One is applicable to pure electric coach quick change battery box battery module combination structure | |
| CN103368078B (en) | A kind of ship busbar type circuit breaker adapter | |
| CN104218817B (en) | Frequency conversion power circuit and DC energy storage device | |
| CN208767988U (en) | Bus structure, three level energy storage components and electrical equipment | |
| CN203660551U (en) | Photovoltaic grid connection inverter with modular design structure | |
| CN205356163U (en) | A module for light , cladon and power transfer ware for power transfer ware | |
| CN205104982U (en) | Electronic hydraulic bucket car power shovel inlet wire circuit control device | |
| CN203481299U (en) | Battery module combined structure suitable for quick-change battery box of pure electric bus | |
| CN110247611B (en) | Integrated electrical device for high power controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160225 Address after: Wuzhong District Wuzhong Economic Development Zone, Suzhou City, Jiangsu province 215000 Wang Xiang Shan Industrial Park Road on the north side of friends Patentee after: Suzhou Huichuan Technology Co.,Ltd. Patentee after: Shenzhen Inovance Technology Co., Ltd. Address before: Wuzhong District Wuzhong Economic Development Zone, Suzhou City, Jiangsu province 215000 Wang Xiang Shan Industrial Park Road on the north side of friends Patentee before: Suzhou Huichuan Technology Co.,Ltd. Patentee before: Suzhou Monarch Control Technology Co., Ltd. Patentee before: Shenzhen Inovance Technology Co., Ltd. |