CN102497111B - Fast-control power supply system based on IPM (intelligent power module) H-bridge cascade connection - Google Patents
Fast-control power supply system based on IPM (intelligent power module) H-bridge cascade connection Download PDFInfo
- Publication number
- CN102497111B CN102497111B CN201110368528.0A CN201110368528A CN102497111B CN 102497111 B CN102497111 B CN 102497111B CN 201110368528 A CN201110368528 A CN 201110368528A CN 102497111 B CN102497111 B CN 102497111B
- Authority
- CN
- China
- Prior art keywords
- bridge
- inversion module
- output
- bridge inversion
- ipm
- 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.)
- Active
Links
Abstract
The invention relates to a fast-control power supply system based on IPM (intelligent power module) H-bridge cascade connection. The fast-control power supply system comprises multiple subsystems which are connected with loads in parallel, wherein each subsystem consists of multiple inverting cabinets and output cabinets; an H-bridge inverting module is arranged in each inverting cabinet; multiple inverting cabinets are connected in series and then connected with the output cabinets; and the output cabinets are connected with IVC (independent virtual channel) coils of the loads. The fast-control power supply system disclosed by the invention adopts the H-bridge inverting modules to perform series-parallel connection so as to replace the conventional device series-parallel connection, meanwhile, multiple inverting cabinets and output cabinets are combined together to construct the subsystems, and finally, multiple subsystems form the fast-control power supply system to ensure that the expansibility of the fast-control power supply system is enhanced. Moreover, the inverting cabinets adopt the H-bridge inverting modules, so that the inverting cabinets are simple in structure, strong in safety and convenient to maintain.
Description
Technical field
The present invention relates to power-supply system field, especially a kind of fast control power-supply system based on the cascade of IPM module H bridge.
Background technology
EAST superconducting tokamak device as country's " 95 " major scientific projects has great importance to the nuclear fusion experimental research work of China, and in order to realize large elongation than the plasma stability operation of position shape, it is very necessary that the vertical displacement of plasma of development function admirable is controlled power supply (being called for short fast control power supply) fast.The maximum feature that EAST is controlled power supply is soon large electric current output and dynamic response faster, for this reason, the many advanced technologies of power acquisition, as multilevel converter, phase-shifting PWM technology, inverter parallel technology, high power electronic equipment design and manufacturing technology etc.
The fast control power supply of operation is pressed on multi-level frequency conversion device basis and is changed a social system and form in tradition at present, adopt AC/DC/AC structure, comprise heterogeneous diode rectifier and carrier phase half-bridge three-level inverter two parts, in view of the great power of fast control power supply, employing be the series-parallel pattern of device.Along with the development of EAST nuclear fusion experimental research, the control power supply of seeking quickness has extensibility, and traditional device connection in series-parallel pattern cannot meet the demands well.
Summary of the invention
The object of the present invention is to provide a kind of extensibility strong, be convenient to safeguard, the fast control power-supply system based on the cascade of IPM module H bridge simple in structure.
For achieving the above object, the present invention has adopted following technical scheme: a kind of fast control power-supply system based on the cascade of IPM module H bridge, comprise a plurality of subsystems that are attempted by load, described subsystem is comprised of a plurality of inverter cabinets and output counter, in inverter cabinet, be provided with H bridge inversion module, after a plurality of inverter cabinet connection in series-parallel, be connected with output counter, output counter is attempted by the IVC coil of load; A plurality of inverter cabinets, by copper bus-bar connection in series-parallel, are connected to the IVC coil of load via output counter, a plurality of inverter cabinets are by copper bus-bar connection in series-parallel, and output counter combination structure subsystem, and N subsystem is directly in parallel, is connected to the IVC coil of load by public busbar.
As shown from the above technical solution, the present invention adopt H bridge inversion module carry out connection in series-parallel with
Replace traditional device connection in series-parallel, adopt the combination of a plurality of inverter cabinets and output counter to build subsystem simultaneously, finally by a plurality of subsystems, build fast control power-supply system, the autgmentability of controlling soon power-supply system is strengthened.In addition, because inverter cabinet adopts H bridge inversion module, the structure of inverter cabinet is become simply, fail safe enhancing, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present invention;
Fig. 2 is the circuit theory diagrams of H bridge inversion module in the present invention.
Embodiment
A kind of fast control power-supply system based on the cascade of IPM module H bridge, comprise a plurality of subsystems 1 that are attempted by load 4, described subsystem 1 is comprised of a plurality of inverter cabinets 2 and output counter 3, in inverter cabinet 2, be provided with H bridge inversion module, after a plurality of inverter cabinet 2 connection in series-parallel, be connected with output counter 3, output counter 3 is attempted by the IVC coil of load 4, as shown in Figure 1.A plurality of inverter cabinets 2, by copper bus-bar connection in series-parallel, are connected to the IVC coil of load 4 via output counter 3, than traditional single phase transformer isolation and device connection in series-parallel scheme, the autgmentability that the present invention makes to control soon power supply is strengthened, maintainability is improved.
As shown in Figure 1, described inverter cabinet 2 is comprised of three-phase isolation transformer T and H bridge inversion module, a termination 380V three-phase alternating current of three-phase isolation transformer T, and the other end of three-phase isolation transformer T is connected with H bridge inversion module; Described output counter 3 is comprised of a plurality of equalizing reactors, a plurality of current sensor, voltage sensor AT and crow bar unit 5, one end of equalizing reactor all connects the output of H bridge inversion module, after the other end parallel connection of equalizing reactor, connect with crow bar unit 5, crow bar unit 5 connects the output of H bridge inversion module, current sensor is connected with equalizing reactor, and voltage sensor AT is attempted by crow bar unit 5.Described current sensor is Hall current sensor, and described voltage sensor AT is Hall voltage transducer.Three-phase isolation transformer T plays the object with the isolation of 380V three-phase alternating current by this power-supply system; H bridge inversion module is for being converted to three-phase main-frequency alternating current the alternating current of single-phase controllable frequency; equalizing reactor is for guaranteeing that the electric current of each branch road is consistent; current sensor is used for measuring branch current; voltage sensor AT is for measuring the voltage of crow bar unit 5; crow bar unit 5, for the overvoltage in the situation that, plays the effect of short-circuit protection.
Below in conjunction with Fig. 1, the present invention is further illustrated.
In described subsystem 1, the number of inverter cabinet 2 is 9, the input of first, second and third H bridge inversion module BR1, BR2, BR3 is connected with three-phase isolation transformer T respectively, between first, second and third H bridge inversion module BR1, BR2, BR3, connect, the output termination output counter 3 of first and third H bridge inversion module BR1, BR3; Fourth, fifth, the input of six H bridge inversion module BR4, BR5, BR6 is connected with three-phase isolation transformer T respectively, fourth, fifth, between six H bridge inversion module BR4, BR5, BR6, connect, the output termination output counter 3 of the 4th, six H bridge inversion module BR4, BR6; Seven, the input of eight, nine H bridge inversion module BR7, BR8, BR9 is connected with three-phase isolation transformer T respectively, seven, between eight, nine H bridge inversion module BR7, BR8, BR9, connect, seven, the output of the output termination output counter 3, the three of nine H bridge inversion module BR7, BR9, six, nine H bridge inversion module BR3, BR6, BR9 is in parallel.
The described interior equalizing reactor of output counter 3, the number of current sensor are 3, the output of a termination the one H bridge inversion module BR1 of the first equalizing reactor L1, and the first equalizing reactor L1 connects with the first current sensor CT1; The output of a termination the 4th H bridge inversion module BR4 of the second equalizing reactor L2, the second equalizing reactor L2 connects with the second current sensor CT2; The output of a termination the 7th H bridge inversion module BR7 of the 3rd equalizing reactor L3, the 3rd equalizing reactor L3 connects with the 3rd current sensor CT3; The other end of first, second and third current sensor CT1, CT2, CT3 is in parallel, the parallel connected end of this parallel end connection voltage sensor AT and crow bar unit 5, another parallel connected end of voltage sensor AT and crow bar unit 5 is connected with the output of the 3rd, six, nine H bridge inversion module BR3, BR6, BR9.
As shown in Figure 2, described H bridge inversion module comprises rectifier bridge 6 and first and second IPM assembly 7,8, the input of rectifier bridge 6 is connected with one end of fast acting fuse, the other end of fast acting fuse is connected with three-phase isolation transformer T, the output of rectifier bridge 6 is connected with the input of an IPM assembly 7, cross-over connection filter capacitor C1, C2 on the one IPM assembly 7, an IPM assembly 7 is connected with the 2nd IPM assembly 8, cross-over connection filter capacitor C3, C4 on the 2nd IPM assembly 8.Described fast acting fuse is comprised of first, second and third fuse F1, F2, F3, a termination three-phase isolation transformer T of first, second and third fuse F1, F2, F3, the input of another termination rectifier bridge 6 of first, second and third fuse F1, F2, F3.First and second IPM assembly 7,8 plays the effect of inversion, the change of current, by DC inverter, is alternating current.
A plurality of inverter cabinets 2 are by copper bus-bar connection in series-parallel, and output counter 3 combination structure subsystems 1, and N the direct parallel connection of subsystem 1 can be connected to by public busbar the IVC coil of load 4.Output counter 3 is the bridges that connect inverter cabinet 2 and load 4, and the AC of each inversion assembly merges by equalizing reactor in output counter 3, and equalizing reactor adopts band centre cap mode, to adjust parameter.In output counter 3, for each branch road arranges current sensor, the total current after confluxing is carried out to isolation measurement, total output voltage of power-supply system is also measured at output counter 3 simultaneously.
In sum, the present invention adopts H bridge inversion module to carry out connection in series-parallel to replace traditional device connection in series-parallel, adopt the combination of a plurality of inverter cabinets 2 and output counter 3 to build subsystem 1 simultaneously, finally by a plurality of subsystems 1, build fast control power-supply system, the autgmentability of controlling soon power-supply system is strengthened.In addition, because inverter cabinet 2 adopts H bridge inversion modules, the structure of inverter cabinet 2 is become simply, fail safe enhancing, easy to maintenance.
Claims (5)
1. the fast control power-supply system based on the cascade of IPM module H bridge, it is characterized in that: comprise a plurality of subsystems (1) that are attempted by load (4), described subsystem (1) is comprised of a plurality of inverter cabinets (2) and output counter (3), in inverter cabinet (2), be provided with H bridge inversion module, after a plurality of inverter cabinets (2) connection in series-parallel, be connected with output counter (3), output counter (3) is attempted by the IVC coil of load (4); A plurality of inverter cabinets (2) are by copper bus-bar connection in series-parallel, via output counter (3), be connected to the IVC coil of load (4), a plurality of inverter cabinets (2) are by copper bus-bar connection in series-parallel, and output counter (3) combination builds subsystem (1), N subsystem (1) is directly in parallel, is connected to the IVC coil of load (4) by public busbar;
Described inverter cabinet (2) is comprised of three-phase isolation transformer T and H bridge inversion module, a termination 380V three-phase alternating current of three-phase isolation transformer T, and the other end of three-phase isolation transformer T is connected with H bridge inversion module; Described output counter (3) is comprised of a plurality of equalizing reactors, a plurality of current sensor, voltage sensor AT and crow bar unit (5), one end of equalizing reactor all connects the output of H bridge inversion module, after the other end parallel connection of equalizing reactor, connect with crow bar unit (5), crow bar unit (5) connects the output of H bridge inversion module, current sensor is connected with equalizing reactor, and voltage sensor AT is attempted by crow bar unit (5);
In described subsystem (1), the number of inverter cabinet (2) is 9, the input of first, second and third H bridge inversion module BR1, BR2, BR3 is connected with three-phase isolation transformer T respectively, between first, second and third H bridge inversion module BR1, BR2, BR3, connect, the output termination output counter (3) of first and third H bridge inversion module BR1, BR3; Fourth, fifth, the input of six H bridge inversion module BR4, BR5, BR6 is connected with three-phase isolation transformer T respectively, fourth, fifth, between six H bridge inversion module BR4, BR5, BR6, connect, the output termination output counter (3) of the 4th, six H bridge inversion module BR4, BR6; Seven, the input of eight, nine H bridge inversion module BR7, BR8, BR9 is connected with three-phase isolation transformer T respectively, seven, between eight, nine H bridge inversion module BR7, BR8, BR9, connect, seven, the output termination output counter (3) of nine H bridge inversion module BR7, BR9, the output of the 3rd, six, nine H bridge inversion module BR3, BR6, BR9 is in parallel.
2. the fast control power-supply system based on the cascade of IPM module H bridge according to claim 1, it is characterized in that: the number of the interior equalizing reactor of described output counter (3), current sensor is 3, the output of a termination the one H bridge inversion module BR1 of the first equalizing reactor L1, the first equalizing reactor L1 connects with the first current sensor CT1; The output of a termination the 4th H bridge inversion module BR4 of the second equalizing reactor L2, the second equalizing reactor L2 connects with the second current sensor CT2; The output of a termination the 7th H bridge inversion module BR7 of the 3rd equalizing reactor L3, the 3rd equalizing reactor L3 connects with the 3rd current sensor CT3; The other end of first, second and third current sensor CT1, CT2, CT3 is in parallel, the parallel connected end of this parallel end connection voltage sensor AT and crow bar unit (5), another parallel connected end of voltage sensor AT and crow bar unit (5) is connected with the output of the 3rd, six, nine H bridge inversion module BR3, BR6, BR9.
3. the fast control power-supply system based on the cascade of IPM module H bridge according to claim 1, is characterized in that: described current sensor is Hall current sensor, and described voltage sensor AT is Hall voltage transducer.
4. the fast control power-supply system based on the cascade of IPM module H bridge according to claim 1, it is characterized in that: described H bridge inversion module comprises rectifier bridge (6) and first, two IPM assemblies (7, 8), the input of rectifier bridge (6) is connected with one end of fast acting fuse, the other end of fast acting fuse is connected with three-phase isolation transformer T, the output of rectifier bridge (6) is connected with the input of an IPM assembly (7), the upper cross-over connection filter capacitor C1 of the one IPM assembly (7), C2, the one IPM assembly (7) is connected with the 2nd IPM assembly (8), the upper cross-over connection filter capacitor C3 of the 2nd IPM assembly (8), C4.
5. the fast control power-supply system based on the cascade of IPM module H bridge according to claim 4, it is characterized in that: described fast acting fuse is comprised of first, second and third fuse F1, F2, F3, a termination three-phase isolation transformer T of first, second and third fuse F1, F2, F3, the input of another termination rectifier bridge (6) of first, second and third fuse F1, F2, F3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110368528.0A CN102497111B (en) | 2011-11-20 | 2011-11-20 | Fast-control power supply system based on IPM (intelligent power module) H-bridge cascade connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110368528.0A CN102497111B (en) | 2011-11-20 | 2011-11-20 | Fast-control power supply system based on IPM (intelligent power module) H-bridge cascade connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102497111A CN102497111A (en) | 2012-06-13 |
| CN102497111B true CN102497111B (en) | 2014-10-22 |
Family
ID=46188909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110368528.0A Active CN102497111B (en) | 2011-11-20 | 2011-11-20 | Fast-control power supply system based on IPM (intelligent power module) H-bridge cascade connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102497111B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151939A (en) * | 2013-03-28 | 2013-06-12 | 华北电力大学 | Modular design structure of inverter |
| CN103178721B (en) * | 2013-04-07 | 2015-09-02 | 冶金自动化研究设计院 | A kind of high-capacity five-level converter power cabinet |
| CN106602890B (en) * | 2016-12-16 | 2023-07-25 | 华中科技大学 | Hierarchical variable frequency type multipath series resonance inverter power supply |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113742Y (en) * | 2007-09-26 | 2008-09-10 | 北京中纺锐力机电有限公司 | High voltage large power switch reluctance motor device |
| CN201877994U (en) * | 2010-10-19 | 2011-06-22 | 东方日立(成都)电控设备有限公司 | Structure for connecting secondary sides with copper bars in cascaded high-voltage high-power frequency converter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3663455B2 (en) * | 1996-08-29 | 2005-06-22 | 株式会社安川電機 | Solar power converter |
| JP3316801B2 (en) * | 1999-09-16 | 2002-08-19 | 株式会社日立製作所 | Multiple power converter control method and multiple power converter |
| CN2792014Y (en) * | 2005-03-24 | 2006-06-28 | 竺伟 | Power unit and high-voltage frequency transformer comprising multi power units |
| CN100454754C (en) * | 2006-09-12 | 2009-01-21 | 冶金自动化研究设计院 | Voltage type variable-frequency control system using pulse width modulation synchronous switching |
| CN201733232U (en) * | 2010-08-16 | 2011-02-02 | 航天长峰朝阳电源有限公司 | Variable frequency power supply |
| CN202364127U (en) * | 2011-11-20 | 2012-08-01 | 合肥华耀电子工业有限公司 | Quick-control power supply system based on H-bridge cascading of IPM module |
-
2011
- 2011-11-20 CN CN201110368528.0A patent/CN102497111B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113742Y (en) * | 2007-09-26 | 2008-09-10 | 北京中纺锐力机电有限公司 | High voltage large power switch reluctance motor device |
| CN201877994U (en) * | 2010-10-19 | 2011-06-22 | 东方日立(成都)电控设备有限公司 | Structure for connecting secondary sides with copper bars in cascaded high-voltage high-power frequency converter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102497111A (en) | 2012-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101534063B (en) | Cascade connection polyphase converter | |
| CN101483392B (en) | Large capacity cascade multi-phase multi-level power converter without transformer | |
| CN102157940B (en) | Device for eliminating voltage harmonics of power system | |
| CN103051236B (en) | Based on the CHB cascade connection type photovoltaic inverter circuit of the many transformer with split windings of three-phase | |
| CN104786872B (en) | Cut-through type cophase power supply system for cascaded input-free and output-free transformers | |
| CN204967652U (en) | Subway energy feedback device | |
| WO2012010053A1 (en) | Transformer-less static synchronous compensator (statcom) topological structure based on modular multilevel converter (mmc) | |
| CN102163927A (en) | Multi-level converter employing multi-winding intermediate-high frequency transformer | |
| CN102570491A (en) | Multilevel power converter or inverter arrangement using h bridges | |
| Ladoux et al. | Power Quality Improvement in ac Railway Substations: The concept of chopper-controlled impedance | |
| CN105226957A (en) | A kind of three-phase-single-phase potential device of no industrial frequency transformer | |
| CN101860036A (en) | Novel zero-sequence current compensator | |
| Wang et al. | Historical review of parallel hybrid active power filter for power quality improvement | |
| CN106452147A (en) | Three-phase symmetric topology for self-balance of capacitor voltage of MMC (Modular Multilevel Converter) module | |
| CN101505106A (en) | Cascade multi-level converter | |
| CN107134930A (en) | Power electronics distribution transformer and its control method based on MMC | |
| CN102497111B (en) | Fast-control power supply system based on IPM (intelligent power module) H-bridge cascade connection | |
| CN205051584U (en) | Three -phase - single -phase potential device of no frequency transformer | |
| CN104836463A (en) | Mixing transformation system based on three-phase PWM rectification and multi-unit uncontrolled rectification | |
| CN102904420A (en) | Multi-port current transformer | |
| KR101297080B1 (en) | Half bridges multi-module converter using series compensation | |
| CN202364127U (en) | Quick-control power supply system based on H-bridge cascading of IPM module | |
| CN209982353U (en) | Non-power frequency transformer structure of AC-DC-AC substation with through same-phase power supply system | |
| CN204578373U (en) | A kind of High Frequency Link many level DCs transformer for mesolow DC distribution | |
| CN201378803Y (en) | Cascade multilevel converter |
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 |