CN207753632U - A kind of intersection clamp modularization multi-level converter based on IGCT - Google Patents
A kind of intersection clamp modularization multi-level converter based on IGCT Download PDFInfo
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- CN207753632U CN207753632U CN201820002866.XU CN201820002866U CN207753632U CN 207753632 U CN207753632 U CN 207753632U CN 201820002866 U CN201820002866 U CN 201820002866U CN 207753632 U CN207753632 U CN 207753632U
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Abstract
A kind of intersection clamp modularization multi-level converter based on IGCT, including multiple change of current bridge arms, each change of current bridge arm includes n SM module and m ICM module, n >=1, n>M >=1, n, m are positive integer, and wherein ICM modules include diode D1, diode D2 and a switching tube S1, and the switching tube S1 is made of IGCT or ETO.The running wastage of the intersection clamp modularization multi-level converter MMC of the utility model is smaller.
Description
Technical field
The utility model belongs to electric automatization field, is related to multilevel converter, more particularly to a kind of to be based on IGCT
Intersection clamp modularization multi-level converter.
Background technology
Modularization multi-level converter (Modular Multilevel Converter, MMC) is that one kind not needing transformation
Device and the multiphase converter for realizing high medium voltage electricity conversion, are cascaded by the identical submodule of multiple structures (Sub-module, SM)
It constitutes.The structure of submodule can be divided into half-H-bridge type, full H bridge types and clamp Shuangzi modular type etc..It transmits electricity compared to Traditional DC and is
Two level and three-level converter that system uses, MMC avoid the direct series connection of switching tube using sub-module cascade, improve the change of current
The reliability of device.Modularization multi-level converter MMC has shown extremely important future in engineering applications.
However, the topological structure elemental device of existing MMC use be substantially insulated gate bipolar transistor
(Insulated gate bipolar transistor, abbreviation IGBT) device causes since IGBT device on-state voltage drop is high
On-state loss is big, and therefore, the running wastage of existing MMC is relatively high, is further improved.
Utility model content
The shortcomings and deficiencies of prior art are solved, the utility model proposes a kind of, and the intersection based on IGCT clamps module
Change multilevel converter MMC, essential core point is that the switching tube S1 in ICM is made of IGCT, due to the on-state pressure of IGCT
Drop is very low, so can reduce the running wastage of MMC.
Technical solution is as follows：
A kind of intersection clamp modularization multi-level converter, including multiple change of current bridge arms, each change of current bridge arm includes n
A SM modules and m ICM module, n >=1, n>M >=1, n, m are positive integer；
The ICM modules include diode D1, diode D2 and a switching tube S1；
The switching tube S1 is made of IGCT；
The wherein described ICM modules and two SM modules SM1, SM2 electric couplings；The cathode of the diode D2 and the SM moulds
The capacitance cathode electric coupling of block SM1；The capacitance cathode electric coupling of the anode and the SM modules SM2 of the diode D2；It is described
The capacitance cathode electric coupling of the cathode of diode D1 and the anode and the SM modules SM2 of the switching tube S1；The diode
The capacitance cathode electric coupling of the anode and the cathode and the SM modules SM1 of the switching tube S1 of D2；
The wherein described SM modules form half-bridge circuit；
The SM modules in the wherein described converter bridge arm and ICM block coupled in series coupling；
The wherein described switching tube S1 can also be made of ETO；
Using above-mentioned technical proposal, the beneficial effects of the utility model are：
Since the on-state voltage drop of IGCT is very low, and then the utility model can be reduced and intersect the clamp modular multilevel change of current
The running wastage of device MMC.
Description of the drawings
Fig. 1 is the utility model MMC system construction drawings.
Fig. 2 is the utility model MMC sub-modular structure figures.
Specific implementation mode
It is further discussed below specific embodiment of the utility model in conjunction with the technical solution of the utility model and attached drawing.
The intersection based on IGCT of the utility model clamps modularization multi-level converter MMC, as shown in Figure 1, including more
A change of current bridge arm, when MMC is three-phase system, change of current bridge arm is generally 6, when MMC is monophase system generally 4, changes
The quantity of bridge arm is flowed according to without being limited thereto depending on design；Each change of current bridge arm includes n SM module and m ICM module, n >=1, n
>m≥1；SM modules form half-bridge circuit；As shown in Fig. 2, ICM modules include 2 diodes D1, D2 and 1 switching tube S1；ICM
Module and two SM modules SM1, SM2 electric couplings, the capacitance cathode thermocouple of the cathode and module SM1 of diode D2 in ICM modules
Connect, the anode and the capacitance cathode electric coupling of module SM2 of diode D2 in ICM modules, in ICM modules the cathode of diode D1 with
The anode of S1 and the capacitance cathode electric coupling of module SM2, the cathode and module SM1 of the anode and S1 of diode D2 in ICM modules
Capacitance cathode electric coupling.
Wherein, switching tube S1 is made of IGCT or ETO in ICM, to reduce the running wastage of transverter.
The intersection of the utility model clamps modularization multi-level converter MMC, the switching tube S1 of wherein ICM by IGCT or
ETO is constituted, and thus reduces the running wastage for intersecting clamp modularization multi-level converter MMC.
Although according to above embodiment described the utility model, person of ordinary skill in the field it should be understood that
Can the utility model be realized by modification in the spirit and scope of the appended claims.All such changes and modifications all purports
It is falling within the scope of the appended claims.Therefore, example and attached drawing are considered to be illustrative rather than restrictive.
Claims (5)
1. a kind of intersection based on IGCT clamps modularization multi-level converter, including multiple change of current bridge arms, each change of current
Bridge arm includes n SM module and m ICM module, n >=1, n>M >=1, n, m are positive integer；It is characterized in that：
The ICM modules include diode D1, diode D2 and switching tube S1；
The switching tube S1 is made of IGCT.
2. a kind of intersection based on IGCT as described in claim 1 clamps modularization multi-level converter, wherein the ICM moulds
Block and two SM modules SM1, SM2 electric couplings；The capacitance cathode thermocouple of the cathode of the diode D2 and the SM modules SM1
It connects；The capacitance cathode electric coupling of the anode and the SM modules SM2 of the diode D2；The cathode of the diode D1 with it is described
The capacitance cathode electric coupling of the anode of switching tube S1 and the SM modules SM2；Anode and the switching tube of the diode D2
The capacitance cathode electric coupling of the cathode of S1 and the SM modules SM1.
3. a kind of intersection based on IGCT as described in claim 1 clamps modularization multi-level converter, wherein the SM moulds
Block forms half-bridge circuit.
4. a kind of intersection based on IGCT as described in claim 1 clamps modularization multi-level converter, wherein the change of current
The SM modules in bridge arm and ICM block coupled in series coupling.
5. a kind of intersection based on IGCT as described in claim 1 clamps modularization multi-level converter, wherein the switch
Pipe S1 is made of ETO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820002866.XU CN207753632U (en) | 2018-01-02 | 2018-01-02 | A kind of intersection clamp modularization multi-level converter based on IGCT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820002866.XU CN207753632U (en) | 2018-01-02 | 2018-01-02 | A kind of intersection clamp modularization multi-level converter based on IGCT |
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| CN207753632U true CN207753632U (en) | 2018-08-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542957A (en) * | 2020-11-11 | 2021-03-23 | 中国长江三峡集团有限公司 | Average value equivalence-based IGCT-MMC loss analysis method |
| CN114089214A (en) * | 2021-12-07 | 2022-02-25 | 广东电网有限责任公司 | Cross clamping power module test circuit, tester and test method |
-
2018
- 2018-01-02 CN CN201820002866.XU patent/CN207753632U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542957A (en) * | 2020-11-11 | 2021-03-23 | 中国长江三峡集团有限公司 | Average value equivalence-based IGCT-MMC loss analysis method |
| CN114089214A (en) * | 2021-12-07 | 2022-02-25 | 广东电网有限责任公司 | Cross clamping power module test circuit, tester and test method |
| CN114089214B (en) * | 2021-12-07 | 2023-05-05 | 广东电网有限责任公司 | Cross clamping power module testing circuit, tester and testing method |
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