CN105790598A - Highly-reliable main circuit topological structure of railway ground deflector - Google Patents
Highly-reliable main circuit topological structure of railway ground deflector Download PDFInfo
- Publication number
- CN105790598A CN105790598A CN201610249059.3A CN201610249059A CN105790598A CN 105790598 A CN105790598 A CN 105790598A CN 201610249059 A CN201610249059 A CN 201610249059A CN 105790598 A CN105790598 A CN 105790598A
- Authority
- CN
- China
- Prior art keywords
- link
- power model
- bus
- phase
- winding
- 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.)
- Pending
Links
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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
-
- 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
- H02M1/12—Arrangements for reducing harmonics from ac input or output
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a highly-reliable main circuit topological structure of a railway ground deflector. The highly-reliable main circuit topological structure comprises a rectification unit, an intermediate DC link and an inversion unit, wherein the rectification unit comprises a single-phase input multi-winding isolation transformer and N power modules on the rectification side. The primary side of the single-phase input multi-winding isolation transformer is connected with a railway traction network, and the secondary side of the single-phase input multi-winding isolation transformer is a plurality of electrically isolated multi-winding coils. Each multi-winding coil is connected with the AC input side of a rectification-side power module, the positive DC bus of the power module is in parallel with the positive DC bus of the intermediate DC link, and the negative DC bus of the power module is in parallel with the negative DC bus of the intermediate DC link. M electrical isolation converter sub-systems can be designed according to system power transformation requirements, power modules in the converter sub-systems are controlled through a carrier phase-shift PWM modulation strategy, cascade operation is carried out through the magnetic field of an isolation transformer, and the reliability of a converter is improved.
Description
Technical field
The invention belongs to track traffic high-power Semiconductor Converting Technology field, relate to the railway ground converter plant main circuit topology of a kind of high reliability, for railway contact line dynamic passive compensation, railway contact line active power filtering, rail traction supply arm power adjustments, rail traction cophase supply, railroad train not power-off too equal high-voltage large-capacity electronic power conversion field.
Background technology
Electric railway has played great function in the development of the national economy and development, and along with the development of market economy and electric field relevant industries, electric railway technology obtains significant progress, electric railway towards at a high speed, high power development.China railways Traction networks adopts a point phase stagewise single phase industrial frequence Alternating Current Power Supply, there is the power quality problems such as negative phase-sequence, harmonic wave, reactive power in this power supply mode on the one hand, on the other hand, there is the undue phase problem of train in this power supply mode, particularly in heavy duty, the undue phase time in climbing section, reduce the speed of service of train, reduce railway transport capacity.
For rail traction power quality problem, advanced technology path is to adopt based on the high-voltage high-power converter of four quadrant running the negative phase-sequence of traction power supply network, harmonic wave, reactive power being carried out comprehensive control.
The undue phase problem of train for existing traction power supply, there are two kinds of technology paths: a kind of technology path is to cancel existing contact net segmentation point phase power supply mode, the contact net that whole piece rail traction is powered adopts cophase supply, this be accomplished by Design for Traction Substation " three-phase is single-phase " can the high-voltage high-power converter of four quadrant running, power network 110kV/220kV three-phase alternating current is transformed to the single-phase alternating current of contact net 27.5kV；The second technology path be adopt " single-phase " can the high-voltage high-power converter of four quadrant running, convert electric energy into from the supply arm power taking of contact net side and power to neutral section, it may be achieved train not power-off phase splitting is interval.
Existing a kind of high-voltage high-power converter topology is two level or three-level converter that adopt power device directly to connect.This topology advantage is: need not achieve that current transformer is connected with high-voltage fence by isolating transformer, it may be achieved four quadrant running.The shortcoming of this topology has: 1) the directly series connection of power device is it is difficult to ensure that all pressures between power device, if driving the slightly different step of signal, then has power device over-voltage breakdown, reduces the reliability of this topology；2) although each brachium pontis has a lot of power device to connect, but this topology output level only has 2 level or 3 level, owing to level number is few, device exports that the harmonic order of AC is low, amplitude is high, for an AC inherently harmonic source, it is difficult to the requirement meeting the railway system to the quality of power supply.
Existing another kind of high-voltage high-power converter topology is to adopt the multi-level converter by multiple low pressure H bridge electric power electronic module cascades (i.e. so-called chain structure).The advantage of this topology is: each Cascade H bridge module adopts the PWM of phase-shifting carrier wave be controlled, can obtain, in grid side, the sinusoidal voltage that percent harmonic distortion is very low.The shortcoming of this topology is: 1) each H bridge is required for independent dc bus, it is impossible to application and back-to-back four-quadrant converter system；2) each H bridge module is electrically connected with each other, when after some of which H bridge fault, current transformer can not output rated voltage, system reliability is not high.
Summary of the invention
The present invention propose a kind of solve rail traction supply network power quality harnessed synthetically, traction cophase supply and train not power-off undue required mutually can the railway ground converter plant main circuit topology of high reliability of four quadrant running.
The technical solution adopted for the present invention to solve the technical problems is: the railway ground converter plant main circuit topological structure of a kind of high reliability, including rectification unit, intermediate DC link and inversion unit；
Described rectification unit is made up of N number of power model of single-phase input multi-winding isolation transformer and rectification side, the former limit of single-phase input multi-winding isolation transformer is connected with railway traction net, the Multiple coil coil that secondary is multiple electrical isolation of single-phase input multi-winding isolation transformer, each Multiple coil coil is connected with the input side that exchanges of rectification side power model, the positive direct-current bus of described power model is connected in parallel to the positive direct-current bus of intermediate DC link, and the negative dc bus of power model is connected in parallel to the negative dc bus of intermediate DC link；
Described intermediate DC link is made up of electric capacity battle array, DC detection circuit, grounded inspection circuit, discharge circuit etc.；
Described inversion unit is made up of N number of power model and the single-phase output multi-winding isolation transformer of inverter side, the positive direct-current bus of described power model is connected in parallel to the positive direct-current bus of intermediate DC link, the negative dc bus of power model is connected in parallel to the negative dc bus of intermediate DC link, the AC of power model is connected with N number of low pressure winding of single-phase output multi-winding isolation transformer, the high-pressure side of single-phase output multi-winding isolation transformer is connected with railway 27.5kV/55kV Traction networks, the conversion of electric energy is carried out for the DC voltage of intermediate DC link is reverse into alternating voltage.
The railway ground converter plant main circuit topological structure of described a kind of high reliability, the power model of its rectification unit, the power model of inversion unit and intermediate DC link one back-to-back unsteady flow subsystem M1 of composition.
The railway ground converter plant main circuit topological structure of described a kind of high reliability, in its unsteady flow subsystem M1, N number of power model of N number of power model of rectification side and inverter side adopts modulation carrier phase to stagger successively the control mode of π/n angle.
The railway ground converter plant main circuit topological structure of described a kind of high reliability, its power model is the two level H-bridge type mapped structures based on IGBT, is made up of Support Capacitor, IGBT and anti-paralleled diode, current sensor and fuse output.
The railway ground converter plant main circuit topological structure of described a kind of high reliability, its power model is the diode-clamped three level H-bridge mapped structure based on IGBT, is made up of Support Capacitor, clamp diode, IGBT and anti-paralleled diode, current sensor and fuse output.
The railway ground converter plant main circuit topological structure of described a kind of high reliability, its power model is the three level H-bridge mapped structures based on IGCT diode-clamped, is made up of Absorption Capacitance, DC LINK link resistance, DC LINK link diode, DC LINK link current-limiting inductance, clamp diode, IGCT and anti-paralleled diode, current sensor and fuse output.
The invention has the beneficial effects as follows:
1) unsteady flow topology by organize more electrically completely isolated can the unsteady flow subsystem of four quadrant running by transformator magnetic potential parallel running, it may be achieved fault redundance runs, and has greater advantage in reliability；
2) power model of the inside of unsteady flow subsystem adopts phase-shifting carrier wave PWM to be controlled, and can obtain, at AC, the sinusoidal voltage that percent harmonic distortion is very low, reduce the current transformer harmonic pollution to electrical network；
3) each power model and the design of unsteady flow subsystem high modularization, be conducive to Converter Capacity to extend；
4) topology compatible two level, three electrical level power module, are conducive to unsteady flow topology to be applied to different converter systems..
Accompanying drawing explanation
Fig. 1 show the present invention and is applied to the back-to-back four quadrant running main circuit of converter topology of railway " single-phase " ground converter plant；
Fig. 2 show the back-to-back four quadrant running main circuit of converter topology that the present invention is applied to " three-phase is single-phase " ground converter plant of railway；
Fig. 3 show the H-bridge circuit topology that power model of the present invention is IGBT two level；
Fig. 4 show the H-bridge circuit topology that power model of the present invention is IGBT tri-level；
Fig. 5 show the H-bridge circuit topology that power model of the present invention is IGCT tri-level.
nullEach accompanying drawing is labeled as: 1 rectification unit，2 intermediate DC link，3 inversion units，4 single-phase input multi-winding isolation transformers，5 single-phase output multi-winding isolation transformers，6 power models，The back-to-back unsteady flow subsystem of M1，61 Support Capacitors，62 IGBT and anti-paralleled diode，64 current sensors，65 fuse outputs，71 Support Capacitors，72 clamp diodes，73 IGBT and anti-paralleled diode，74 current sensors，75 fuse outputs，81 Absorption Capacitances，82 DC LINK link resistance，83 DC LINK link diodes，84 DC LINK link current-limiting inductances，85 clamp diodes，86 IGCT and anti-paralleled diode，87 current sensors，88 fuse outputs.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The present invention can be used for railway contact line dynamic passive compensation, railway contact line active power filtering, rail traction supply arm power adjustments, rail traction cophase supply, the too equal field of railroad train not power-off.
Carried converter topology is AC DC AC structure, comprises input multiwinding transformer, output multiwinding transformer, unsteady flow subsystem etc..Carried converter topology can design the unsteady flow subsystem of m electrical isolation according to system changeover power demand, the PWM strategy adopting phase-shifting carrier wave between power model in unsteady flow subsystem is controlled the magnetic field levels through transport row by isolating transformer, mains by harmonics aberration rate can be reduced, adopt the mode magnetic potential parallel running by transformator of redundancy backup between m unsteady flow subsystem, the operational reliability of current transformer can be improved.
Fig. 1 is that the present invention is applicable to rail traction supply network power quality comprehensive compensation and train not power-off neutral-section passing system " single-phase " four quadrant running converter topology back-to-back.
Topological structure is made up of rectification unit 1, intermediate DC link 2 and inversion unit 3.
nullWherein rectification unit 1 is made up of N number of power model 6 of single-phase input multi-winding isolation transformer 4 and rectification side，The former limit of single-phase input multi-winding isolation transformer 4 is connected with railway 27.5kV/55kV Traction networks (contact net)，The Multiple coil coil that secondary is multiple electrical isolation of input multi-winding isolation transformer 4，Each Multiple coil coil is connected with the input side that exchanges of rectification side power model 6，The positive direct-current bus of N number of power model 6 is connected in parallel to the positive direct-current bus of intermediate DC link 2，Negative dc bus is connected in parallel to the negative dc bus of intermediate DC link 2，Function is the alternating current that railway traction net (contact net) 27.5kV/55kV voltage transformation is many group low-voltages to be inputed to unsteady flow module carry out Active Front End PWM rectification，To obtain the voltage of stable intermediate DC link 2.
Wherein intermediate DC link 2 is mainly made up of electric capacity battle array, DC detection circuit, grounded inspection circuit, discharge circuit etc., function has been mainly stable DC voltage and electrical network exchange reactive power, it is used for the pulsating power absorbing between electrical network and DC link, it is suppressed that the pulsation of dc bus simultaneously.
Wherein inversion unit 3 is made up of N number of power model 6 and the single-phase output multi-winding isolation transformer 5 of inverter side, wherein the positive direct-current bus of power model 6 described in the power model 6 of N number of inverter side is connected in parallel to the positive direct-current bus of intermediate DC link 2, the negative dc bus of power model 6 is connected in parallel to the negative dc bus of intermediate DC link 2, the AC of power model 6 is connected with N number of low pressure winding of single-phase output multi-winding isolation transformer 5, the high-pressure side of single-phase output multi-winding isolation transformer 5 is connected with railway 27.5kV/55kV Traction networks (contact net), function is the DC voltage of intermediate DC link 2 to be reverse into alternating voltage carry out the conversion of electric energy.
N number of power model of rectification unit 1, N number of power model of inversion unit 3 and intermediate DC link 2 form a back-to-back unsteady flow subsystem M1, when current transformer needs to carry out 2 times power conversion, then the low pressure winding of input, output transformation can be respectively designed to 2N, in the middle of current transformer, be further added by a unsteady flow subsystem M2；When the unsteady flow power of system power demand Yu unsteady flow subsystem is suitable, current transformer can adopt unsteady flow subsystem (M1) system to be designed, when system power demand is bigger, current transformer can design input at double, input multiwinding transformer vice-side winding quantity, adopt m unsteady flow subsystem (M1, M2, ..., Mm) it is designed by transformator magnetic potential parallel running, and redundancy unsteady flow subsystem can be adopted to be designed current transformer, when one of them unsteady flow subsystem failures, by controlling this fault unsteady flow subsystem of excision, put into redundancy unsteady flow subsystem, current transformer can continue to run with by full capacity, it is remarkably improved the reliability of current transformer.
When current transformer needs to carry out the conversion of m times power, then the low pressure winding distribution of input, output transformator can be designed to m*n, in the middle of current transformer, adopt m unsteady flow subsystem (M1, M2 ..., Mm).When having the ability that fault redundance runs when current transformer requires when unsteady flow subsystem fault, in the middle of current transformer, unsteady flow subsystem may be designed to m+p, and wherein p unsteady flow subsystem is redundancy unsteady flow subsystem.
In order to reduce the current transformer harmonic pollution to railway traction net (contact net), the modulation carrier phase that is respectively adopted the N number of power model of rectification side in unsteady flow subsystem (M1, M2 ..., Mm) and N number of power model of inverter side staggers the control mode of π/n angle successively, make N number of winding magnetic field of transformator in transformer fe in-core cascade, thus obtain the voltage of the near sinusoidal of many level in high-pressure side, the current transformer harmonic pollution to electrical network can be significantly reduced, improve the voltage quality of grid side.
Fig. 2 is that the present invention is applicable to homo-phase traction power supply system " three-phase is single-phase " four quadrant running converter topology back-to-back.
Topology is made up of three phase rectifier unit 1, intermediate DC link 2, single-phase inversion unit 3.
Wherein rectification unit is formed by by three-phase input multi-winding isolation transformer 4 and rectification side 3*n power model 6, the three-phase input former limit of multi-winding isolation transformer is connected with 110/220kV threephase network, the u phase magnetic post of secondary has u1r1, u2r2, ..., unrn is n winding altogether, secondary v phase magnetic post has v1s1, v2s2, ..., vnsn is n winding altogether, secondary w phase magnetic post has w1t1, w2t2, ..., wntn is n winding altogether, n winding of u phase magnetic post is connected with the AC of the rectification side power model of M1 unsteady flow subsystem, n winding of v phase magnetic post is connected with the AC of the rectification side power model of M2 unsteady flow subsystem, n winding of w phase magnetic post is connected with the AC of the rectification side power model of M3 unsteady flow subsystem.The positive bus-bar of M1, M2, M3 unsteady flow subsystem intermediate DC link is in parallel, negative busbar parallel connection forms a public DC link.
Wherein inversion unit 3 is made up of inverter side 3*n power model 6 and single-phase output multi-winding isolation transformer 5, wherein 3*n inverter side power model positive direct-current bus is connected in parallel to the positive direct-current bus of intermediate DC link, the negative dc bus of power model is connected in parallel to the negative dc bus of intermediate DC link, the AC of 3*n power model is connected with 3*n low pressure winding of single-phase output multiwinding transformer, and the high-pressure side of transformator is connected with railway 27.5kV/55kV Traction networks (contact net).
M1, M2, M3 in the middle of current transformer forms a three-phase unsteady flow subsystem, when current transformer needs to carry out the conversion of m times power, secondary u, v, w phase magnetic post winding of input tranformer then can be respectively designed to m*n low pressure winding distribution individual, output transformator and be designed to m*3*n, 3*m unsteady flow subsystem of employing in the middle of current transformer.When having the ability that fault redundance runs when current transformer requires when unsteady flow subsystem fault, in the middle of current transformer, unsteady flow subsystem may be designed to 3*(m+p) individual, wherein 3*p unsteady flow subsystem is redundancy unsteady flow subsystem.
Equally, in order to reduce the current transformer harmonic pollution to power network and railway traction net (contact net), rectification side n power model in unsteady flow subsystem and n power model of inverter side are respectively adopted modulation carrier phase and stagger successively the control mode of π/n angle.
Power model in unsteady flow subsystem (M1, M2 ..., Mm) adopts Modular Structure Design, there is high power density, the advantages such as high reliability, according to system power demand, power model may be designed to the two level H-bridge type mapped structures based on IGBT or the diode-clamped three level H-bridge mapped structure based on IGBT or the derivative mapped structure such as the three level H-bridge mapped structures based on IGCT diode-clamped and single-phase semi-bridge.
Fig. 3 illustrates that the present invention adopts the power model based on IGBT two level H-bridge mapped structure, is mainly made up of Support Capacitor 61, IGBT and anti-paralleled diode 62, current sensor 64, fuse output 65 etc..
Fig. 4 illustrates that the present invention adopts the power model of the diode-clamped three level H-bridge mapped structure based on IGBT, is mainly made up of Support Capacitor 71, clamp diode 72, IGBT and anti-paralleled diode 73, current sensor 74, fuse output 75 etc..
Fig. 5 illustrates that the present invention adopts the power model of the three level H-bridge mapped structures based on IGCT diode-clamped, is mainly made up of Absorption Capacitance 81, DC LINK link resistance 82, DC LINK link diode 83, DC LINK link current-limiting inductance 84, clamp diode 85, IGCT and anti-paralleled diode 86, current sensor 87, fuse output 88 etc..
The switching device of described power model is chosen and is not limited to IGBT, IGCT, it is possible to be that other meets the switching device of function, such as GTO, IEGT, intelligence IPM module etc.；Main devices in power model typical structure structure is not limited to the component units disclosed in this patent, the various devices for improving module performance also its building block, as improved the dc bus Absorption Capacitance of power model Electro Magnetic Compatibility, reducing the LCR wave filter etc. of exchange output dv/dt, practical situation can need increase and decrease power model component according to system.
Input and output multi-winding isolation transformer have some significant features, low pressure winding has bigger short-circuit impedance, higher dv/dt can be born, between each low pressure winding, there is thin coupled characteristic, the low pressure winding that the vice-side winding of multi-winding isolation transformer is powered in addition to power model, it is also possible to have the auxiliary winding controlling power supply and the auxiliary winding etc. realizing pre-charging functions.
Described converter topology is not limited to " single-phase " converter system.Input tranformer is designed to single-phase multiwinding transformer, and output design of transformer becomes three-phase multiwinding transformer, and converter topology can be applied to " single-phase three-phase " converter system.Input tranformer designs three-phase multiwinding transformer, and output design of transformer becomes single-phase multiwinding transformer, and converter topology can be applied to " three-phase is single-phase " converter system.Input, input tranformer are designed to three-phase multiwinding transformer, converter topology can be applied to " three-phase three-phase " converter system.
Above-described embodiment is illustrative principles of the invention and effect thereof only; and the embodiment that part is used, for the person of ordinary skill of the art, without departing from the concept of the premise of the invention; can also making some deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (6)
1. the railway ground converter plant main circuit topological structure of a high reliability, it is characterised in that: include rectification unit (1), intermediate DC link (2) and inversion unit (3)；
Described rectification unit (1) is made up of N number of power model (6) of single-phase input multi-winding isolation transformer (4) and rectification side, the former limit of single-phase input multi-winding isolation transformer (4) is connected with railway traction net, the Multiple coil coil that secondary is multiple electrical isolation of single-phase input multi-winding isolation transformer (4), each Multiple coil coil is connected with the input side that exchanges of rectification side power model (6), the positive direct-current bus of described power model (6) is connected in parallel to the positive direct-current bus of intermediate DC link (2), the negative dc bus of power model (6) is connected in parallel to the negative dc bus of intermediate DC link (2)；
Described intermediate DC link (2) is made up of electric capacity battle array, DC detection circuit, grounded inspection circuit, discharge circuit etc.；
Described inversion unit (3) is made up of N number of power model (6) and the single-phase output multi-winding isolation transformer (5) of inverter side, the positive direct-current bus of described power model (6) is connected in parallel to the positive direct-current bus of intermediate DC link (2), the negative dc bus of power model (6) is connected in parallel to the negative dc bus of intermediate DC link (2), the AC of power model (6) is connected with N number of low pressure winding of single-phase output multi-winding isolation transformer (5), the high-pressure side of single-phase output multi-winding isolation transformer (5) is connected with railway 27.5kV/55kV Traction networks, the conversion of electric energy is carried out for the DC voltage of intermediate DC link (2) is reverse into alternating voltage.
2. the railway ground converter plant main circuit topological structure of a kind of high reliability according to claim 1, it is characterized in that, the power model of rectification unit (1), the power model of inversion unit (3) and intermediate DC link (2) one back-to-back unsteady flow subsystem M1 of composition.
3. the railway ground converter plant main circuit topological structure of a kind of high reliability according to claim 2, it is characterized in that, in described unsteady flow subsystem M1, N number of power model (6) of N number of power model (6) of rectification side and inverter side adopts modulation carrier phase to stagger successively the control mode of π/n angle.
4. the railway ground converter plant main circuit topological structure of a kind of high reliability according to claim 1 or 2 or 3, it is characterized in that, described power model (6) is the two level H-bridge type mapped structures based on IGBT, is made up of Support Capacitor (61), IGBT and anti-paralleled diode (62), current sensor (64) and fuse output (65).
5. the railway ground converter plant main circuit topological structure of a kind of high reliability according to claim 1 or 2 or 3, it is characterized in that, described power model (6) is the diode-clamped three level H-bridge mapped structure based on IGBT, is made up of Support Capacitor (71), clamp diode (72), IGBT and anti-paralleled diode (73), current sensor (74) and fuse output (75).
6. the railway ground converter plant main circuit topological structure of a kind of high reliability according to claim 1 or 2 or 3, it is characterized in that, described power model (6) is the three level H-bridge mapped structures based on IGCT diode-clamped, is made up of Absorption Capacitance (81), DC LINK link resistance (82), DC LINK link diode (83), DC LINK link current-limiting inductance (84), clamp diode (85), IGCT and anti-paralleled diode (86), current sensor (87) and fuse output (88).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610249059.3A CN105790598A (en) | 2016-04-20 | 2016-04-20 | Highly-reliable main circuit topological structure of railway ground deflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610249059.3A CN105790598A (en) | 2016-04-20 | 2016-04-20 | Highly-reliable main circuit topological structure of railway ground deflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105790598A true CN105790598A (en) | 2016-07-20 |
Family
ID=56398035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610249059.3A Pending CN105790598A (en) | 2016-04-20 | 2016-04-20 | Highly-reliable main circuit topological structure of railway ground deflector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105790598A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054929A (en) * | 2017-12-30 | 2018-05-18 | 中国船舶重工集团公司第七〇二研究所 | A kind of converter plant of electric railway ground automatic neutral-section passing system |
| CN108092522A (en) * | 2017-12-30 | 2018-05-29 | 中国船舶重工集团公司第七〇二研究所 | A kind of converter plant of electric railway ground electricity split-phase uninterruptible power supply system |
| CN108146297A (en) * | 2017-12-30 | 2018-06-12 | 中铁第四勘察设计院集团有限公司 | A kind of electric railway ground electricity split-phase uninterruptible power supply system |
| CN108173421A (en) * | 2016-12-07 | 2018-06-15 | 中车株洲电力机车研究所有限公司 | A kind of subregion train cross phase-separating section uninterrupted power system |
| CN108189712A (en) * | 2017-12-30 | 2018-06-22 | 中铁第四勘察设计院集团有限公司 | A kind of electric railway ground flexible auto-passing neutral section system |
| CN109188156A (en) * | 2018-11-06 | 2019-01-11 | 威凡智能电气高科技有限公司 | A kind of high pressure direct screening energy accumulation current converter modular testing platform and test circuit |
| CN109950937A (en) * | 2019-04-16 | 2019-06-28 | 诺丁汉(余姚)智能电气化研究院有限公司 | A kind of topological structure of the isolated power inverter of distribution of driving AC load |
| CN110165906A (en) * | 2019-06-18 | 2019-08-23 | 西南交通大学 | A kind of electric power electric transformer |
| CN111193415A (en) * | 2020-03-06 | 2020-05-22 | 西南交通大学 | Main circuit of fault-tolerant traction converter of high-speed train |
| CN112468007A (en) * | 2020-12-30 | 2021-03-09 | 深圳市永联科技股份有限公司 | Rectifier system based on multi-winding input |
| CN113002333A (en) * | 2021-03-24 | 2021-06-22 | 清华大学 | High-power converter grounding scheme of full-through type flexible alternating-current traction power supply system |
| CN113644661A (en) * | 2021-09-01 | 2021-11-12 | 青岛鼎信通讯股份有限公司 | Low-voltage distribution network terminal low-voltage governance parallel compensation device |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1889350A (en) * | 2006-07-12 | 2007-01-03 | 哈尔滨九洲电气股份有限公司 | Frequency transformer capable of continuously operating during power-off |
| CN201323531Y (en) * | 2008-12-29 | 2009-10-07 | 郑州电力机械厂 | 6KV high-voltage transducer directly composed of three-level H-bridge power unit module |
| CN101621255A (en) * | 2009-08-06 | 2010-01-06 | 东南大学 | Cascade connection energy-regenerative type high-voltage converter |
| CN101856979A (en) * | 2010-05-26 | 2010-10-13 | 许继集团有限公司 | Electrified railway in-phase power supply device |
| CN101860231A (en) * | 2010-05-20 | 2010-10-13 | 新疆全新环保新技术科技有限公司 | Special tri-level full-power converter set for large power wind-driven generator |
| CN102035402A (en) * | 2010-11-24 | 2011-04-27 | 中国船舶重工集团公司第七一二研究所 | Integrated gate-commutated thyristor (IGCT)-based hybrid cascaded H-bridge multi-level high-voltage inverter |
| CN102642481A (en) * | 2011-02-18 | 2012-08-22 | 株洲变流技术国家工程研究中心有限公司 | Electricity energy regulating-ice melting device and method for railway traction network |
| CN103368413A (en) * | 2013-07-04 | 2013-10-23 | 株洲南车时代电气股份有限公司 | High-integration converter device |
| CN203278264U (en) * | 2013-05-10 | 2013-11-06 | 广东明阳风电产业集团有限公司 | Wind power generator group energy transmission device |
| CN103904908A (en) * | 2012-12-31 | 2014-07-02 | 国家电网公司 | Direct current side voltage stability control method |
| CN104767398A (en) * | 2015-03-31 | 2015-07-08 | 株洲南车时代电气股份有限公司 | High-integration converter device |
| CN104901305A (en) * | 2015-05-28 | 2015-09-09 | 株洲变流技术国家工程研究中心有限公司 | Traction power supply network tail end voltage boosting device with power fusing function and method of device |
| CN104993494A (en) * | 2015-05-22 | 2015-10-21 | 国网河南省电力公司电力科学研究院 | Motor simulator based on four-quadrant power electronic converter and method |
-
2016
- 2016-04-20 CN CN201610249059.3A patent/CN105790598A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1889350A (en) * | 2006-07-12 | 2007-01-03 | 哈尔滨九洲电气股份有限公司 | Frequency transformer capable of continuously operating during power-off |
| CN201323531Y (en) * | 2008-12-29 | 2009-10-07 | 郑州电力机械厂 | 6KV high-voltage transducer directly composed of three-level H-bridge power unit module |
| CN101621255A (en) * | 2009-08-06 | 2010-01-06 | 东南大学 | Cascade connection energy-regenerative type high-voltage converter |
| CN101860231A (en) * | 2010-05-20 | 2010-10-13 | 新疆全新环保新技术科技有限公司 | Special tri-level full-power converter set for large power wind-driven generator |
| CN101856979A (en) * | 2010-05-26 | 2010-10-13 | 许继集团有限公司 | Electrified railway in-phase power supply device |
| CN102035402A (en) * | 2010-11-24 | 2011-04-27 | 中国船舶重工集团公司第七一二研究所 | Integrated gate-commutated thyristor (IGCT)-based hybrid cascaded H-bridge multi-level high-voltage inverter |
| CN102642481A (en) * | 2011-02-18 | 2012-08-22 | 株洲变流技术国家工程研究中心有限公司 | Electricity energy regulating-ice melting device and method for railway traction network |
| CN103904908A (en) * | 2012-12-31 | 2014-07-02 | 国家电网公司 | Direct current side voltage stability control method |
| CN203278264U (en) * | 2013-05-10 | 2013-11-06 | 广东明阳风电产业集团有限公司 | Wind power generator group energy transmission device |
| CN103368413A (en) * | 2013-07-04 | 2013-10-23 | 株洲南车时代电气股份有限公司 | High-integration converter device |
| CN104767398A (en) * | 2015-03-31 | 2015-07-08 | 株洲南车时代电气股份有限公司 | High-integration converter device |
| CN104993494A (en) * | 2015-05-22 | 2015-10-21 | 国网河南省电力公司电力科学研究院 | Motor simulator based on four-quadrant power electronic converter and method |
| CN104901305A (en) * | 2015-05-28 | 2015-09-09 | 株洲变流技术国家工程研究中心有限公司 | Traction power supply network tail end voltage boosting device with power fusing function and method of device |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173421A (en) * | 2016-12-07 | 2018-06-15 | 中车株洲电力机车研究所有限公司 | A kind of subregion train cross phase-separating section uninterrupted power system |
| CN108173421B (en) * | 2016-12-07 | 2020-05-05 | 中车株洲电力机车研究所有限公司 | Train passing neutral section uninterrupted power system of section station |
| CN108054929B (en) * | 2017-12-30 | 2020-02-04 | 中国船舶重工集团公司第七一二研究所 | Current transformation device of electrified railway ground automatic neutral section passing system |
| CN108189712A (en) * | 2017-12-30 | 2018-06-22 | 中铁第四勘察设计院集团有限公司 | A kind of electric railway ground flexible auto-passing neutral section system |
| CN108054929A (en) * | 2017-12-30 | 2018-05-18 | 中国船舶重工集团公司第七〇二研究所 | A kind of converter plant of electric railway ground automatic neutral-section passing system |
| CN108189712B (en) * | 2017-12-30 | 2020-02-11 | 中铁第四勘察设计院集团有限公司 | Ground flexible automatic neutral section passing system for electrified railway |
| CN108092522A (en) * | 2017-12-30 | 2018-05-29 | 中国船舶重工集团公司第七〇二研究所 | A kind of converter plant of electric railway ground electricity split-phase uninterruptible power supply system |
| CN108146297A (en) * | 2017-12-30 | 2018-06-12 | 中铁第四勘察设计院集团有限公司 | A kind of electric railway ground electricity split-phase uninterruptible power supply system |
| CN109188156A (en) * | 2018-11-06 | 2019-01-11 | 威凡智能电气高科技有限公司 | A kind of high pressure direct screening energy accumulation current converter modular testing platform and test circuit |
| CN109950937A (en) * | 2019-04-16 | 2019-06-28 | 诺丁汉(余姚)智能电气化研究院有限公司 | A kind of topological structure of the isolated power inverter of distribution of driving AC load |
| CN110165906B (en) * | 2019-06-18 | 2024-04-30 | 西南交通大学 | Power electronic transformer |
| CN110165906A (en) * | 2019-06-18 | 2019-08-23 | 西南交通大学 | A kind of electric power electric transformer |
| CN111193415A (en) * | 2020-03-06 | 2020-05-22 | 西南交通大学 | Main circuit of fault-tolerant traction converter of high-speed train |
| CN111193415B (en) * | 2020-03-06 | 2024-03-19 | 西南交通大学 | Fault-tolerant traction converter main circuit of high-speed train |
| CN112468007A (en) * | 2020-12-30 | 2021-03-09 | 深圳市永联科技股份有限公司 | Rectifier system based on multi-winding input |
| CN113002333A (en) * | 2021-03-24 | 2021-06-22 | 清华大学 | High-power converter grounding scheme of full-through type flexible alternating-current traction power supply system |
| CN113002333B (en) * | 2021-03-24 | 2022-07-19 | 清华大学 | High-power converter grounding method of full-through type flexible alternating current traction power supply system |
| CN113644661A (en) * | 2021-09-01 | 2021-11-12 | 青岛鼎信通讯股份有限公司 | Low-voltage distribution network terminal low-voltage governance parallel compensation device |
| CN113644661B (en) * | 2021-09-01 | 2024-01-12 | 青岛鼎信通讯股份有限公司 | Low-voltage control parallel compensation device at tail end of low-voltage distribution network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105790598A (en) | Highly-reliable main circuit topological structure of railway ground deflector | |
| EP4131762A1 (en) | Interconnected co-phase traction power supply system based on four-port modular multilevel converter | |
| CN103051236B (en) | Based on the CHB cascade connection type photovoltaic inverter circuit of the many transformer with split windings of three-phase | |
| CN103280829B (en) | A kind of isolation double-stage chain type current transformer being applied to high capacity cell energy storage | |
| CN108189712B (en) | Ground flexible automatic neutral section passing system for electrified railway | |
| CN102394557A (en) | Hybrid parallel type high-voltage direct current traction power supply current transformer and control method thereof | |
| CN102299646A (en) | Alternating-current inductance-free and energy-saving high-voltage direct-current traction power supply current transformation device and control method thereof | |
| CN103904926A (en) | Improved modular multilevel transverter submodule topology | |
| CN101795080A (en) | Three-phase power electronics transformer for power distribution | |
| CN102195289A (en) | Cascade-structure-based hybrid active power filter | |
| CN102185480B (en) | Bidirectional isolation direct-current converter | |
| WO2012010053A1 (en) | Transformer-less static synchronous compensator (statcom) topological structure based on modular multilevel converter (mmc) | |
| CN104852583A (en) | High-frequency link multi-level direct-current transformer used for middle- low-voltage direct current distribution | |
| CN104022630B (en) | A kind of multi-functional mixed type tractive power supply system and control method | |
| CN103401462A (en) | Static synchronous compensator cascaded based on three-level H bridge and voltage source inverter module | |
| CN104009657A (en) | DC traction power supply device | |
| CN106655841A (en) | Novel three-phase current converter topology based on modular multilevel converter | |
| CN105305843A (en) | Three-phase series half H-bridge modular multilevel DC converter and control method thereof | |
| CN105071679A (en) | Five-level self-balanced inverter based on bridge switched capacitor module | |
| CN201332271Y (en) | Electrified railway power compensator | |
| CN104811071A (en) | Photovoltaic inverter and passive decoupling restraining method based on non-isolated LCL filtering | |
| CN103515970B (en) | A kind of three brachium pontis compensation arrangements with asymmetry compensation idle for electric railway | |
| CN203774792U (en) | High speed railway power quality and traction network voltage integration compensation system | |
| CN102545224A (en) | Simplified LC (inductance capacitance)-type hybrid active power filter suitable for middle-high voltage system | |
| WO2015188673A1 (en) | Modular multi-level flexible direct-current topology circuit suitable for fault ride-through |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Xinmin Inventor after: Fang Huasong Inventor after: Qi Guangfeng Inventor after: Yang Fan Inventor after: Gao Xiaofeng Inventor after: Li Hongmei Inventor after: Liu Jun Inventor after: Shi Yuan Inventor before: Zhang Xinmin Inventor before: Fang Huasong Inventor before: Gao Xiaofeng Inventor before: Liu Jun Inventor before: Shi Yuan |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181204 Address after: 430064 Shizishan Street Automobile School Village, Hongshan District, Wuhan City, Hubei Province Applicant after: No.712 Inst., China Ship Heavy Industry Group Co. Applicant after: The forth Survey and Design Institute (Group) Co., Ltd. Of CRCC Applicant after: Beijing Lander Quick Technology Co.,Ltd. Address before: 430064 Shizishan Street Automobile School Village, Hongshan District, Wuhan City, Hubei Province Applicant before: No.712 Inst., China Ship Heavy Industry Group Co. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160720 |