CN203761253U - Circuit branch of current transformer and three-phase current transformer - Google Patents
Circuit branch of current transformer and three-phase current transformer Download PDFInfo
- Publication number
- CN203761253U CN203761253U CN201320617291.XU CN201320617291U CN203761253U CN 203761253 U CN203761253 U CN 203761253U CN 201320617291 U CN201320617291 U CN 201320617291U CN 203761253 U CN203761253 U CN 203761253U
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- 239000004065 semiconductor Substances 0.000 claims abstract description 198
- 239000003990 capacitor Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- 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
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/487—Neutral point clamped inverters
-
- 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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
A circuit branch of a current transformer is disclosed. The circuit branch is provided with at least two first semiconductor groups (M15.1, M15.2 and M15.3) and at least two second semiconductor groups (M23.1, M23.2 and M23.3), each first semiconductor group has one or more semiconductors, each second semiconductor group has at one or more semiconductors, the first semiconductor groups and the second semiconductor groups are connected in series between an alternating current voltage electrode (AC) and one or more direct current voltage electrodes (dc+, dc-, NP) of the circuit branch, each first semiconductor group is in series connection with only one second semiconductor group, and each second semiconductor group is in series connection with only one first semiconductor group. The utility model also relates to a three-phase current transformer having the above circuit branch.
Description
Technical field
The utility model relates to a kind of circuit branch and a kind of 3-phase power converter of current transformer.
Background technology
When for example between two electrical systems when electric energy transmitting, current transformer equipment, if rectifier or inverter are for converting electrical energy.For example, the voltage of electric energy waiting for transmission and/or frequency can change by means of current transformer equipment.
3-phase power converter is the current transformer with three direct voltage utmost points.Except the direct voltage utmost point of positive and negative, described direct voltage has the electroneutral direct voltage utmost point.Be used for the example of 3-phase power converter at open source literature Y.Zhao, " the Force commutated three level boost type rectifier " of Y.Li and T.A.Lipo work, IEEE transactions on industry applications, Vol.31, No.1, January/February nineteen ninety-five, and " the A novel three-phase utility interface minimizing line current harmonics of high-power telecommunications rectifier modules " of J.W.Kolar and F.C.Zach work, IEEE transactions on industry electronics, Vol.44, No.4, in in August, 1997, be illustrated.
Fig. 1 illustrates the example for the main circuit of three grades of current transformers of three-phase.The current transformer of example is ANPC current transformer (the active neutral-point-clamped of Active Neutral Point Clamped), and described ANPC current transformer has three circuit branch, and described circuit branch respectively has alternating voltage utmost point ACa, ACb, ACc.Also there are three direct voltage utmost points: positive direct voltage utmost point dc+, negative direct voltage utmost point dc-and the electroneutral direct current NP that arbitrarily downgrades.The DC voltage intermediate circuit of current transformer is comprising capacitor C1 and C2 aspect it, described capacitor's series, between positive direct voltage utmost point dc+ and negative direct voltage utmost point dc-, forms electroneutral direct voltage utmost point NP on the tie point of capacitor.Each circuit branch of current transformer also has six diode Dx1 to Dx6 and six controllable switch Tx1 and Tx6.
Fig. 2 illustrates the circuit branch of three grades of current transformers of three-phase of Fig. 1.Circuit branch can form by means of semiconductor module M15, M23, M46, and described semiconductor module is for example that IGBT is to (Insulated Gate Bipolar Transistor insulated gate bipolar transistor) or corresponding semiconductor in the example of Fig. 2.
Because semi-conductive current duration becomes restricted factor, thus for the current duration improving altogether must be by described semiconductor parallel connection.In a typical parallel circuits, applicable semiconductor is fixed to one another unchangeably and connects, and wherein can think, the compound body forming shows as the semiconductor with larger electric current.Fig. 3 illustrates the changeless parallel circuits of the output phase that three IGBT are right.
The problem of changeless parallel circuits can be semi-conductive CURRENT DISTRIBUTION.CURRENT DISTRIBUTION should be uniform as far as possible, makes to shorten the useful life of system and makes diagnostic function based on symmetrical structure and the corresponding state of determining device as far as possible exactly.CURRENT DISTRIBUTION is subject to the big or small and timing of circuit, semi-conductive control signal, the conductivity of semiconductor device, the impact of the possible impedance contrast of the threshold voltage of semiconductor terminal and current path.
In the time expecting to improve the rated current of current transformer, can by according to two or more IGBT of Fig. 3 to parallel connection, to the function pair with larger current duration is provided.In principle, Fig. 2's is each to being three parallel circuitss that form according to Fig. 3.If this to forming the circuit branch of ANPC current transformer, M15 semiconductor module and M46 semiconductor module are high requests with being connected of M23 semiconductor module so.This is clear illustrating in Fig. 4.As shown in Figure 4, between different modules, physical distance and the joining rails due to module forms diverse current path.The circuit of Fig. 4 also has following problems: due to switching delay, all three right electric currents in parallel for example only can be flowed through one, to (total current of M23.1+M23.2+M23.3 flow through M15.3) in another parallel circuits.In this case, the operation of device disturbed or device even can be destroyed.Extremely be difficult to symmetrically and can be easy to install construct joining rails by means of the layout of Fig. 4, although total by means of described layout can not eliminate may be caused by switching delay unbalanced load.
Utility model content
The utility model based on object be to propose a kind of equipment and make it possible to solve or at least reduce problem mentioned above.The purpose of this utility model realizes by means of a kind of circuit branch of current transformer with by means of a kind of 3-phase power converter, it is characterized in that being provided with described content in this article.Preferred implementing form of the present utility model illustrates in this article.
The utility model based on: each semiconductor group of connecting with the second semiconductor group is only connected with the second unique semiconductor group.
Be according to the advantage of solution of the present utility model, electric current can distribute equably and be not easy to occur the total unbalanced load as in changeless parallel circuits among parallel branch in all cases.
Feature of the present utility model is enumerated as with the form of numbering:
The circuit branch of 1. 1 kinds of current transformers of characteristic, described circuit branch has:
At least two have one or more semi-conductive the first semiconductor group; With
At least two have one or more semi-conductive the second semiconductor group,
Wherein said the first semiconductor group and described the second semiconductor group are connected between an alternating voltage utmost point and one or more direct voltage utmost point of described circuit branch, it is characterized in that,
Each the first semiconductor group is only connected with second semiconductor group; And
Each the second semiconductor group is only connected with first semiconductor group.
Characteristic 2. is according to the circuit branch of the current transformer described in characteristic 1,
It is characterized in that,
Described current transformer is 3-phase power converter.
Characteristic 3. is according to the circuit branch of the current transformer described in characteristic 2,
It is characterized in that,
Described circuit branch has at least two and has one or more semi-conductive the 3rd semiconductor group, wherein said the 3rd semiconductor group and described the second semiconductor group are connected between the described alternating voltage utmost point and one or more direct voltage utmost point of described circuit branch, make:
Each the 3rd semiconductor group is only connected with second semiconductor group; And
Each the second semiconductor group is only connected with the 3rd semiconductor group.
Characteristic 4. is according to the circuit branch of the current transformer described in characteristic 3,
It is characterized in that,
At least two described the first semiconductor group, at least two described the second semiconductor group and at least two described the 3rd semiconductor group respectively comprise semiconductor module.
Characteristic 5. is according to the circuit branch of the current transformer described in characteristic 4,
It is characterized in that,
The described circuit branch of described current transformer is the circuit branch of ANPC current transformer.
Characteristic 6. is according to the circuit branch of the current transformer described in characteristic 2,
It is characterized in that,
Described circuit branch has:
At least two have one or more semi-conductive the 3rd semiconductor group; With
At least two have one or more semi-conductive the 4th semiconductor group,
Wherein said the 3rd semiconductor group and described the 4th semiconductor group are connected between the described alternating voltage utmost point and one or more direct voltage utmost point of described circuit branch, make:
Each the 3rd semiconductor group is only connected with the 4th semiconductor group; And
Each the 4th semiconductor group is only connected with the 3rd semiconductor group.
Characteristic 7. is according to the circuit branch of the current transformer described in characteristic 6,
It is characterized in that,
Described circuit branch has:
At least two have one or more semi-conductive the 5th semiconductor group; With
At least two have one or more semi-conductive the 6th semiconductor group,
Wherein said the 5th semiconductor group and described the 6th semiconductor group are connected between the described alternating voltage utmost point and one or more direct voltage utmost point of described circuit branch, make:
Each the 5th semiconductor group is only connected with the 6th semiconductor group; And
Each the 6th semiconductor group is only connected with the 5th semiconductor group.
Characteristic 8. is according to the circuit branch of the current transformer described in characteristic 7,
It is characterized in that,
The described circuit branch of described current transformer is the circuit branch of NPP current transformer.
Characteristic 9. is according to the circuit branch of the current transformer one of characteristic 1 to 8 Suo Shu,
It is characterized in that,
Described semiconductor is semiconductor switch or diode.
10. 1 kinds of 3-phase power converters of characteristic, described 3-phase power converter has according to three circuit branch one of characteristic 1 to 8 Suo Shu.
Characteristic 11., according to the current transformer described in characteristic 10, is characterized in that, described current transformer is rectifier and/or inverter.
Brief description of the drawings
With reference to accompanying drawing in the situation that, describe the utility model in conjunction with preferred form of implementation in detail now, wherein:
Fig. 1 illustrates an example for the main circuit of three grades of current transformers of three-phase;
Fig. 2 illustrates an example for the circuit branch of 3-phase power converter;
Fig. 3 illustrates an example for the semi-conductive parallel circuits that immobilizes;
Fig. 4 illustrates an example for the circuit branch of three grades of current transformers, and described circuit branch has semiconductor in parallel;
Fig. 5 illustrates an example for the circuit branch of three grades of current transformers, and described circuit branch has semiconductor in parallel;
Fig. 6 illustrates an example for the main circuit of three-phase three utmost point current transformers; And
Fig. 7 illustrates an example for the circuit branch of three grades of current transformers, and described circuit branch has semiconductor in parallel.
Embodiment
Application of the present utility model is not subject to the restriction of specific system, but can be in conjunction with different electrical system application the utility model.In addition, application of the present utility model is not utilized the specific system of fundamental frequency or is subject to the restriction of specific level.In addition, the utility model for example can be applied in two-stage converters or on three grades of (or conventionally multistage) current transformers.
According to the utility model, the circuit branch of current transformer comprises that at least two have one or more semi-conductive the first semiconductor group and at least two and have one or more semi-conductive the second semiconductor group, the first semiconductor group and the second semiconductor group are connected between an alternating voltage utmost point and one or more direct voltage utmost point of circuit branch, and each the first semiconductor group are only connected and each the second semiconductor group is only connected with first semiconductor group with second semiconductor group.Advantageously, at least two described the first semiconductor group advantageously each other similarly and at least two described the second semiconductor group advantageously similar each other.Semiconductor can be for example semiconductor switch, as IGBT, and diode or other semiconductor.
Fig. 5 illustrates an example for the circuit branch of three grades of current transformers.Be noted that main element is only shown in order to understand the utility model in the accompanying drawings.The circuit branch of Fig. 5 is corresponding to the circuit branch of Fig. 2, but in the circuit branch of Fig. 5, each semiconductor of the circuit branch of Fig. 2 is to being configured to three pairs of parallel circuitss.The circuit branch of Fig. 5 comprises three the first semiconductor group M15.1, M15.2, M15.3 and three the second semiconductor group M23.1, M23.2, M23.3, and described three the first semiconductor group and three the second semiconductor group are connected between the alternating voltage utmost point AC and direct voltage utmost point dc+ and NP of circuit branch.Each the first semiconductor group M15.1, M15.2, M15.3 only connect with the second semiconductor group M23.1, M23.2, a M23.3 and each the second semiconductor group is only connected with first semiconductor group.
According to a form of implementation, circuit branch comprises that at least two have one or more semi-conductive the 3rd semiconductor group, wherein the 3rd semiconductor group and the second semiconductor group are connected between the alternating voltage utmost point and one or more direct voltage utmost point of circuit branch, each the 3rd semiconductor group are only connected and each the second semiconductor group is only connected with the 3rd semiconductor group with second semiconductor group.Advantageously, at least two described the 3rd semiconductor group are similar each other.According to described form of implementation, the circuit branch of Fig. 5 also comprises three the 3rd semiconductor group M46.1, M46.2, M46.3, described the 3rd semiconductor group and the second semiconductor group M23.1, M23.2, M23.3 are connected between the alternating voltage utmost point AC and one or more direct voltage utmost point dc-and NP of circuit branch, each the 3rd semiconductor group M46.1, M46.2, M46.3 are only connected and each the second semiconductor group is only connected with the 3rd semiconductor group with the second semiconductor group M23.1, M23.2, a M23.3.
According to a form of implementation, at least two described the first semiconductor group, at least two described the second semiconductor group and at least two described the 3rd semiconductor group respectively comprise semiconductor module.In the example of Fig. 5, each semiconductor group M15.1, M15.2, M15.3, M23.1, M23.2, M23.3, M46.1, M46.2, M46.3 are advantageously made up of the semiconductor module for example with two semiconductor switchs and two diodes.The structure of semiconductor module can change according to the circuit of current transformer.In this article, semiconductor module means the module with multiple semiconductor elements conventionally, and described semiconductor element is arranged on common substrate and in the mode being applicable to and is electrically connected to each other.
Fig. 6 illustrates an example for the main circuit of three-phase three utmost point current transformers.The current transformer of example is NPP current transformer (Neutral Point Piloted neutral point guide).The difference of the current transformer of Fig. 6 and the current transformer of Fig. 1 is: replace switch Tx5 and Tx6 and diode Dx5 and Dx6, each circuit branch of the current transformer of Fig. 6 has semiconductor switch Tx7 and Tx8 and diode Dx7 and the Dx8 of series connection between electroneutral direct voltage utmost point NP and alternating voltage utmost point ACa, ACb, ACc.
Fig. 7 illustrates an example for the circuit branch of three grades of current transformers of Fig. 6, wherein each semiconductor group being made up of semiconductor switch and diode is doubled.The circuit branch of Fig. 7 comprises two the first semiconductor group G1.1, G1.2 and two the second semiconductor group G2.1, G2.2, and described the first semiconductor group and described the second semiconductor group are connected between the alternating voltage utmost point AC and positive direct voltage utmost point dc+ of circuit branch.Each the first semiconductor group G1.1, G1.2 only connect with the second semiconductor group G2.1, a G2.2 and each the second semiconductor group is only connected with first semiconductor group.
According to a form of implementation, circuit branch comprises that at least two have one or more semi-conductive the 3rd semiconductor group and at least two and have one or more semi-conductive the 4th semiconductor group, wherein the 3rd semiconductor group and the 4th semiconductor group are connected between the alternating voltage utmost point and one or more direct voltage utmost point of circuit branch, each the 3rd semiconductor group are only connected and each the 4th semiconductor group is only connected with the 3rd semiconductor group with the 4th semiconductor group.Advantageously, at least two described the 3rd semiconductor group are similar and at least two described the 4th semiconductor group are similar each other each other.According to described form of implementation, the circuit branch of Fig. 7 also comprises two the 3rd semiconductor group G3.1, G3.2 and two the 4th semiconductor group G4.1, G4.2, described the 3rd semiconductor group and the 4th semiconductor group are connected between the alternating voltage utmost point AC and negative direct voltage utmost point dc-of circuit branch, each the 3rd semiconductor group G3.1, G3.2 are only connected and each the 4th semiconductor group is only connected with the 3rd semiconductor group with the 4th semiconductor group G4.1, a G4.2.
According to a form of implementation, circuit branch comprises that at least two have one or more semi-conductive the 5th semiconductor group and at least two and have one or more semi-conductive the 6th semiconductor group, wherein the 5th semiconductor group and the 6th semiconductor group are connected between the alternating voltage utmost point and one or more direct voltage utmost point of circuit branch, each the 5th semiconductor group are only connected and each the 6th semiconductor group is only connected with the 5th semiconductor group with the 6th semiconductor group.Advantageously, at least two described the 5th semiconductor group are similar and at least two described the 6th semiconductor group are similar each other each other.According to described form of implementation, the circuit branch of Fig. 7 also comprises two the 5th semiconductor group G5.1, G5.2 and two the 6th semiconductor group G6.1, G6.2, described the 5th semiconductor group and the 6th semiconductor group are connected between the alternating voltage utmost point AC and electroneutral direct voltage utmost point NP of circuit branch, each the 5th semiconductor group G5.1, G5.2 are only connected and each the 6th semiconductor group is only connected with the 5th semiconductor group with the 6th semiconductor group G6.1, a G6.2.
According to a form of implementation, 3-phase power converter is configured to, make to be connected to each other according to three circuit branch mentioned above of a form of implementation, advantageously, the positive direct voltage utmost point of each circuit branch is connected to each other, and the negative direct voltage utmost point is connected to each other and the electroneutral direct voltage utmost point is connected to each other.
It will be apparent to one skilled in the art that and have when progressive when technology, basic imagination of the present utility model can realize in multiple different mode.Therefore, the utility model and form of implementation thereof are not subject to the restriction of example mentioned above, but can in the scope of claim, change.
Claims (11)
1. a circuit branch for current transformer, described circuit branch has:
At least two have one or more semi-conductive the first semiconductor group (M15.1, M15.2, M15.3; G1.1, G1.2); With
At least two have one or more semi-conductive the second semiconductor group (M23.1, M23.2, M23.3; G2.1, G2.2),
Wherein said the first semiconductor group and described the second semiconductor group are connected between an alternating voltage utmost point (AC) and one or more direct voltage utmost point (dc+, dc-, NP) of described circuit branch, it is characterized in that,
Each the first semiconductor group is only connected with second semiconductor group; And
Each the second semiconductor group is only connected with first semiconductor group.
2. the circuit branch of current transformer according to claim 1,
It is characterized in that,
Described current transformer is 3-phase power converter.
3. the circuit branch of current transformer according to claim 2,
It is characterized in that,
Described circuit branch has at least two and has one or more semi-conductive the 3rd semiconductor group (M46.1, M46.2, M46.3), wherein said the 3rd semiconductor group and described the second semiconductor group (M23.1, M23.2, M23.3) be connected between the described alternating voltage utmost point and one or more direct voltage utmost point of described circuit branch, make:
Each the 3rd semiconductor group is only connected with second semiconductor group; And
Each the second semiconductor group is only connected with the 3rd semiconductor group.
4. the circuit branch of current transformer according to claim 3,
It is characterized in that,
At least two described the first semiconductor group, at least two described the second semiconductor group and at least two described the 3rd semiconductor group respectively comprise semiconductor module.
5. the circuit branch of current transformer according to claim 4,
It is characterized in that,
The described circuit branch of described current transformer is the circuit branch of ANPC current transformer.
6. the circuit branch of current transformer according to claim 2,
It is characterized in that,
Described circuit branch has:
At least two have one or more semi-conductive the 3rd semiconductor group (G3.1, G3.2); With
At least two have one or more semi-conductive the 4th semiconductor group (G4.1, G4.2),
Wherein said the 3rd semiconductor group and described the 4th semiconductor group are connected between the described alternating voltage utmost point and one or more direct voltage utmost point of described circuit branch, make:
Each the 3rd semiconductor group is only connected with the 4th semiconductor group; And
Each the 4th semiconductor group is only connected with the 3rd semiconductor group.
7. the circuit branch of current transformer according to claim 6,
It is characterized in that,
Described circuit branch has:
At least two have one or more semi-conductive the 5th semiconductor group (G5.1, G5.2); With
At least two have one or more semi-conductive the 6th semiconductor group (G6.1, G6.2),
Wherein said the 5th semiconductor group and described the 6th semiconductor group are connected between the described alternating voltage utmost point and one or more direct voltage utmost point of described circuit branch, make:
Each the 5th semiconductor group is only connected with the 6th semiconductor group; And
Each the 6th semiconductor group is only connected with the 5th semiconductor group.
8. the circuit branch of current transformer according to claim 7,
It is characterized in that,
The described circuit branch of described current transformer is the circuit branch of NPP current transformer.
9. according to the circuit branch of the current transformer one of claim 1 to 8 Suo Shu,
It is characterized in that,
Described semiconductor is semiconductor switch or diode.
10. a 3-phase power converter, described 3-phase power converter has three according to the circuit branch one of claim 1 to 8 Suo Shu.
11. current transformers according to claim 10, is characterized in that, described current transformer is rectifier and/or inverter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20124206U FI9862U1 (en) | 2012-10-02 | 2012-10-02 | Rectifier switching branch and three-level rectifier |
| FIU20124206 | 2012-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761253U true CN203761253U (en) | 2014-08-06 |
Family
ID=47323717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320617291.XU Expired - Lifetime CN203761253U (en) | 2012-10-02 | 2013-10-08 | Circuit branch of current transformer and three-phase current transformer |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN203761253U (en) |
| DE (1) | DE202013104146U1 (en) |
| FI (1) | FI9862U1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471247A (en) * | 2018-03-30 | 2018-08-31 | 华为技术有限公司 | Control method, the device and system of three-level inverter |
| CN108807369A (en) * | 2017-04-28 | 2018-11-13 | 英飞凌科技股份有限公司 | Semiconductor device with controllable semiconductor element |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016106359A1 (en) | 2016-04-07 | 2017-10-12 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Module for a multilevel converter |
| EP3379710B1 (en) * | 2017-03-24 | 2021-10-27 | Thales | Switching power converter configured to control at least one phase of a polyphase electrical receiver with at least three phases |
-
2012
- 2012-10-02 FI FI20124206U patent/FI9862U1/en active IP Right Grant
-
2013
- 2013-09-12 DE DE202013104146U patent/DE202013104146U1/en not_active Expired - Lifetime
- 2013-10-08 CN CN201320617291.XU patent/CN203761253U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807369A (en) * | 2017-04-28 | 2018-11-13 | 英飞凌科技股份有限公司 | Semiconductor device with controllable semiconductor element |
| CN108807369B (en) * | 2017-04-28 | 2023-12-29 | 英飞凌科技股份有限公司 | Semiconductor device with controllable semiconductor element |
| CN108471247A (en) * | 2018-03-30 | 2018-08-31 | 华为技术有限公司 | Control method, the device and system of three-level inverter |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202013104146U1 (en) | 2013-09-20 |
| FI9862U1 (en) | 2012-11-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181119 Address after: Baden, Switzerland Patentee after: ABB Switzerland Co.,Ltd. Address before: Helsinki Patentee before: ABB Inc. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |