CN107070282A - A kind of AuCT, traction power unit and vehicle - Google Patents
A kind of AuCT, traction power unit and vehicle Download PDFInfo
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- CN107070282A CN107070282A CN201710350875.8A CN201710350875A CN107070282A CN 107070282 A CN107070282 A CN 107070282A CN 201710350875 A CN201710350875 A CN 201710350875A CN 107070282 A CN107070282 A CN 107070282A
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Classifications
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- 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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
-
- 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
- H02M1/14—Arrangements for reducing ripples from dc 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
Abstract
The invention provides a kind of AuCT, including input filter unit, precharge unit, prime boosting unit, intermediate frequency isolation DC/DC current transformers, three-phase inversion unit, output filter unit and external output control unit；The input of input filter unit is connected with high voltage dc bus, harmonic wave and common mode disturbances for filtering out direct current input；Precharge unit is used to enter line precharge to DC support electric capacity；Prime boosting unit connects precharge unit, for exporting desired DC voltage；Intermediate frequency isolates DC/DC current transformers and is used to carry out medium frequency inverter to the DC voltage that prime boosting unit is exported, and generates the square-wave voltage of intermediate frequency, and is middle dc voltage to rectification after the square-wave voltage progress isolation transformation of intermediate frequency；It is three-phase main-frequency alternating current that three-phase inversion unit, which is used for middle dc voltage inversion,；Output filter unit is used to be filtered three-phase main-frequency alternating current；External output control unit is used to control and filtered three-phase main-frequency is exchanged into electricity output to external loading.
Description
Technical field
The present invention relates to field of track traffic, more particularly to a kind of AuCT, traction power unit and vehicle.
Background technology
AuCT is the important mobile unit of rail vehicle, can be the threephase loads such as whole-vehicle air-conditioner, air compressor
AC power is provided with part single-phase load.Using Industrial Frequency Transformer isolation and hard switching intermediate frequency transformation more than traditional AuCT
The mode of device isolation.
Industrial Frequency Transformer isolation method is, into after three-phase alternating current, three-phase to be converted to by Industrial Frequency Transformer by DC inverter
Power frequency supply is exported, and because the working frequency of Industrial Frequency Transformer is relatively low, the usual volume weight of such transformer is larger.
It is first single-phase mid-frequency alternating current, warp through H-bridge circuit inversion by direct current that hard switching intermediate-frequency transformer isolation method, which is,
Rectification obtains 650-700V DC voltages after intermediate-frequency transformer isolation transformation, then exports three-phase main-frequency electricity by three-phase inverter again
Source.Such a mode is lost larger due to using power switch pipe quantity in hard switching mode, and a whole set of topology more.
It should be noted that the introduction of technical background is intended merely to above it is convenient technical scheme is carried out it is clear,
Complete explanation, and facilitate the understanding of those skilled in the art and illustrate.Can not be merely because these schemes be the present invention's
Background section is set forth and thinks that above-mentioned technical proposal is known to those skilled in the art.
The content of the invention
The embodiment of the present invention provides a kind of AuCT, traction power unit and vehicle, is become with solving existing auxiliary
Flow the problem of device volume weight is larger, loss is higher.
In order to achieve the above object, the embodiment of the present invention provides a kind of AuCT, including input filter unit, preliminary filling
Electric unit, prime boosting unit, intermediate frequency isolation DC/DC current transformers, three-phase inversion unit, output filter unit and externally output
Control unit；The input of the input filter unit is connected with high voltage dc bus, and output end connects the precharge unit,
Harmonic wave and common mode disturbances for filtering out direct current input；The precharge unit connects the input filter unit, for straight
Stream Support Capacitor enters line precharge；The prime boosting unit connects the precharge unit, for exporting desired direct current
Pressure；The intermediate frequency isolation DC/DC current transformers connect the prime boosting unit, straight for what is exported to the prime boosting unit
Flow voltage and carry out medium frequency inverter, generate the square-wave voltage of intermediate frequency, and to whole after the square-wave voltage progress isolation transformation of the intermediate frequency
Flow for middle dc voltage；The three-phase inversion unit connects the intermediate frequency isolation DC/DC current transformers, for the centre is straight
It is three-phase main-frequency alternating current to flow voltage inversion；The output filter unit connects the three-phase inversion unit, for described three
Phase industrial-frequency alternating current is filtered；The external output control unit connects the output filter unit, for controlling and by institute
State filtered three-phase main-frequency and exchange electricity output to external loading.
Further, in one embodiment, the input filter unit includes positive and negative dc bus filter inductance, positive and negative mother
RC series arms in parallel between line, and the boost function inductance by being multiplexed in the prime boosting unit, form LCL filtering
Device.
Further, in one embodiment, the precharge unit includes main contactor, by-pass switch and precharge electricity
Resistance；The main contactor is used for the high pressure being switched on or switched off on the high voltage dc bus, and the pre-charge resistance is used for straight
Stream Support Capacitor enters line precharge, and the by-pass switch is in parallel with pre-charge resistance progress, for after the completion of precharge
Bypass the pre-charge resistance.
Further, in one embodiment, the prime boosting unit includes boost boost modules, the boost boostings
Module is made up of boost function inductance, diode, IGBT and DC capacitor, for maintaining the desired DC voltage of output.
Further, in one embodiment, intermediate frequency isolation DC/DC current transformers include LLC medium frequency inverters unit and not
Control rectification unit；The LLC medium frequency inverters unit includes single-phase inversion unit, resonant capacitor group and intermediate-frequency transformer；It is described
Single-phase inversion unit is connected with the boost boost modules, and the DC voltage for being exported to the boost boost modules is carried out
Medium frequency inverter, generates the square-wave voltage of intermediate frequency；The resonant capacitor group and the intermediate-frequency transformer primary side leakage inductance and excitatory electricity
Sense composition LLC series resonant tanks, the intermediate-frequency transformer carries out transformation processing to the square-wave voltage of the intermediate frequency, and realizes electricity
Air bound from；The uncontrollable rectifier unit includes diode rectifier bridge and capacitor bank；Diode rectifier bridge input with it is described
Intermediate-frequency transformer secondary is connected, and output is connected with the three-phase inversion unit, for by the square wave of the intermediate-frequency transformer secondary
Voltage commutation is the middle dc voltage；The capacitor bank and the output-parallel of the diode rectifier bridge, for eliminating
The influence that circuit stray parameter is controlled LLC.
Further, in one embodiment, the three-phase inversion unit includes the low-voltage direct Support Capacitor and three-phase
Inverter；The DC inverter that the three-phase inverter is used to export the uncontrollable rectifier unit is three-phase main-frequency alternating current,
Export to the output filter unit；The low-voltage direct Support Capacitor is used for the input voltage for stablizing the three-phase inverter.
Further, in one embodiment, the output filter unit includes three-phase alternating current inductance and three-phase alternating current electric capacity,
For being filtered to the three-phase main-frequency alternating current that the three-phase inverter is exported.
Further, in one embodiment, the external output control unit includes three-phase output contactor and storehouse electricity consumption
Pre-charge circuit；The three-phase output contactor connects the output filter unit, auxiliary for being controlled under accidental conditions
The load of current transformer is helped to be switched on or switched off；The storehouse electricity consumption pre-charge circuit is used in external storehouse electricity consumption operating mode, passes through institute
The anti-paralleled diode for stating three-phase inverter enters to close described three after the completion of line precharge, precharge to the DC support electric capacity
Phase output contactor, is that charger is powered.
In order to achieve the above object, the embodiment of the present invention also provides a kind of traction power unit, including traction convertor and
Above-mentioned AuCT.
In order to achieve the above object, the embodiment of the present invention also provides a kind of vehicle, including above-mentioned traction power unit.
AuCT, traction power unit and the vehicle of the embodiment of the present invention, as a result of intermediate frequency isolated topology knot
Structure, compared to Industrial Frequency Transformer isolation scheme, reduces the volume and weight of AuCT, improves the power of AuCT
Density；Also, the output-parallel capacitor bank of the uncontrollable rectifier unit of the embodiment of the present invention, eliminates never control rectification unit and arrives
Influence of the circuit stray parameter to LLC circuit soft switch effects between three-phase inversion unit, it is ensured that the high efficiency of system.
With reference to explanation hereinafter and accompanying drawing, only certain exemplary embodiments of this invention is disclose in detail, the original of the present invention is specified
Reason can be in adopted mode.It should be understood that embodiments of the present invention are not so limited in scope.In appended power
In the range of the spirit and terms that profit is required, embodiments of the present invention include many changes, modifications and equivalent.
The feature for describing and/or showing for a kind of embodiment can be in same or similar mode one or more
Used in individual other embodiment, it is combined with feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more further features, one integral piece, step or component.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those skilled in the art, without having to pay creative labor, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the AuCT of the embodiment of the present invention；
Fig. 2 is the physical circuit figure of the AuCT of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Art technology technical staff knows, embodiments of the present invention can be implemented as a kind of system, device, equipment,
Method or computer program product.Therefore, the disclosure can be implemented as following form, i.e.,：It is complete hardware, complete soft
Part (including firmware, resident software, microcode etc.), or the form that hardware and software is combined.
Below with reference to the principle and spirit of some representative embodiments of the present invention, in detail the explaination present invention.
It is an object of the invention to the deficiency for existing AuCT there is provided a kind of new AuCT, with reality
Show small-sized AuCT, light weight and efficient purpose.
Fig. 1 is the structural representation of the AuCT of the embodiment of the present invention.As shown in figure 1, the auxiliary of the present embodiment becomes
Stream device includes：Input filter unit 1, precharge unit 2, prime boosting unit 3, intermediate frequency isolation DC/DC current transformers 4, three contraries
Become unit 5, output filter unit 6 and external output control unit 7.
The input of the input filter unit 1 is connected with high voltage dc bus, and output end connects the precharge unit
2, harmonic wave and common mode disturbances for filtering out direct current input；
The precharge unit 2 connects the input filter unit 1, for entering line precharge to DC support electric capacity；
The prime boosting unit 3 connects the precharge unit 2, for exporting desired DC voltage；
The intermediate frequency isolation DC/DC current transformers 4 connect the prime boosting unit 3, for the prime boosting unit 3
The DC voltage of output carries out medium frequency inverter, generates the square-wave voltage of intermediate frequency, and the square-wave voltage of the intermediate frequency is isolated
Rectification is middle dc voltage after transformation；
The three-phase inversion unit 5 connects intermediate frequency isolation DC/DC current transformers 4, for by the middle dc voltage
Inversion is three-phase main-frequency alternating current；
The output filter unit 6 connects the three-phase inversion unit 5, for being filtered to the three-phase main-frequency alternating current
Ripple；
The external output control unit 7 connects the output filter unit 6, for controlling and by described filtered three
Phase industrial frequency AC electricity output is to external loading.
Fig. 2 is the physical circuit figure of the AuCT of the embodiment of the present invention.Below in conjunction with Fig. 1 and Fig. 2, this is elaborated
Each component units of the AuCT of inventive embodiments.
1. input filter unit 1, input is connected with train high voltage dc bus, it includes：Positive and negative dc bus filtering
RC series arms in parallel (including electric capacity 12 and resistance 13) between inductance 11, positive and negative busbar, and it is multiplexed the boosting work(of boost circuits
Can inductance 31, formation LCL filter, for reducing current transformer input harmonics and preventing current transformer from producing switch subharmonic injection straight
Flow power network.The resistance 13 is used to increase system damping, it is suppressed that the generation of LCL circuit resonances.As shown in Fig. 2 contact net is electric
The LCL filter that pressure is constituted by line inductance 11, electric capacity 12 and resistance 13, boost functions inductance 31 enters, and has filtered out contact
Online a large amount of harmonic wave interferences, while above-mentioned LCL filter inhibits the switch subharmonic injection contact net that current transformer is produced.And
And, resistance 13 increases system damping, it is suppressed that the generation of LCL circuit resonances.
2. precharge unit 2, for entering line precharge to electric capacity, it includes：Main contactor 21, by-pass switch 22 and preliminary filling
Resistance 23, the main contactor 21 is used to be switched on or switched off high pressure, and the pre-charge resistance 23 is in input filter unit 1
Electric capacity 32 in electric capacity 12 and prime boosting unit 3 enters line precharge, and the by-pass switch 22 is bypassed in advance after the completion of precharge
Charging resistor 23.Precharge unit 2 is carried out for the electric capacity 32 in the electric capacity 12 and prime boosting unit 3 in input filter unit 1
Precharge, be in order to avoid charge initial stage when high current capacitor is caused to damage or destroyed.When it is implemented, generally right
The capacitor in intermediate dc loop enters line precharge, with the power up phase of current transformer access precharge unit limitation charging current
Amplitude, to prevent excessive dash current caused by direct plungeing into.
3. prime boosting unit 3, including：Boost function inductance 31, diode, IGBT and electric capacity 32, constitute boost boostings
Module, realizes and the desired DC voltage of output is maintained in contact net voltage change.
4. intermediate frequency isolation DC/DC current transformers 4, including LLC medium frequency inverters unit 41 and uncontrollable rectifier unit 42.Intermediate frequency is phase
For power frequency 50Hz, its working frequency, according to the ability of critical piece, can generally may be used in the range of 5kHz~100kHz
It is set in the range of 18kHz~25kHz.In the present embodiment, referring to shown in Fig. 2, the LLC medium frequency inverters unit 41 includes single
Phase inversion unit 411, resonant capacitor group 412 and intermediate-frequency transformer 413.
The single-phase inversion unit 411 is connected with the boost boost modules, for defeated to the boost boost modules
The DC voltage gone out carries out medium frequency inverter, generates the square-wave voltage of intermediate frequency；
The resonant capacitor group 412 is connected humorous with the primary side leakage inductance of intermediate-frequency transformer 413 and magnetizing inductance composition LLC
Shake loop, and the square-wave voltage of described 413 pairs of intermediate frequencies of intermediate-frequency transformer carries out transformation processing, and realizes electrical isolation.
The uncontrollable rectifier unit 42 includes diode rectifier bridge 421 and capacitor bank 422；
The input of diode rectifier bridge 421 is connected with the secondary of intermediate-frequency transformer 413, output and the three-phase inversion
Unit 5 is connected, for being the middle dc voltage by the square-wave voltage rectification of the secondary of intermediate-frequency transformer 413；
The capacitor bank 422 and the output-parallel of the diode rectifier bridge 421, for eliminating circuit stray parameter pair
The influence of LLC controls.
Intermediate frequency isolation DC/DC current transformers 4 can use full-bridge or half-bridge LLC patterns, the multiplexing of two of which series resonance inductor
The primary side leakage inductance and magnetizing inductance of intermediate-frequency transformer 413, pass through the switching frequency of single-phase inversion unit 411 and two resonant frequencies
Coordinate so that transformer primary side inverter circuit is operated in Zero-voltage soft switch state, the diode rectifier bridge 421 of transformer secondary
Zero-current soft switch state is operated in, system effectiveness is improved while voltage conversion is completed.
5. three-phase inversion unit 5, input is connected with uncontrollable rectifier unit 42, output is connected with output filter unit 6, and it is wrapped
Include three-phase inverter 51 and low-voltage direct Support Capacitor group 52.It is three-phase work that the three-phase inverter 51, which is used for DC inverter,
Frequency alternating current, 52 groups of the low-voltage direct Support Capacitor is used to stablize inverter input voltage.Three-phase inverter 51 possesses parallel connection
Control function, the amplitude and frequency of three-phase main-frequency alternating current are adjusted according to bearing power in the margin of tolerance, it is ensured that permutation is in parallel
The power of the assembling unit is balanced.
6. filter unit 6 is exported, including three-phase alternating current inductance and three-phase alternating current electric capacity, for defeated to the three-phase inverter
The three-phase main-frequency alternating current gone out is filtered.
7. external output control unit 7, including three-phase output contactor 71 and storehouse electricity consumption pre-charge circuit 72, the three-phase
Output contactor 71 connects the output filter unit, for controlling the load of AuCT to connect under accidental conditions
On-off is opened；The storehouse electricity consumption pre-charge circuit 72 is used in external storehouse electricity consumption operating mode, passes through the anti-of the three-phase inverter
Parallel diode enters to the DC support electric capacity closes the three-phase output contactor after the completion of line precharge, precharge, be
Charger is powered, and is easy to debug in Ku Nei or station.
AuCT disclosed in the embodiment of the present invention can be used for the traction power of the rail vehicles such as subway or high ferro
In unit, also, compared with prior art, there is following technique effect in the present invention：
1. the present invention can tackle the operating mode of input voltage wide variation by prime booster circuit；
2. input of the present invention increases RC series arms by being multiplexed boost boost function inductance, LCL filtering is formed
Device, reduces current transformer input harmonics and prevents current transformer from producing switch subharmonic injection direct current network；
3. present invention series resistance on the electric capacity of LCL filter, increases system damping, it is suppressed that the generation of resonance；
4. the intermediate frequency isolated topology structure of the present invention, compared to Industrial Frequency Transformer isolation scheme, reduces AuCT
Volume and weight, improves the power density of AuCT；
5. the present invention LLC circuit topologies, it is ensured that single-phase inversion unit be operated in Zero-voltage soft switch pattern, do not control it is whole
Cell operation is flowed in zero-current soft switch pattern, is reduced system loss, is improved the conversion efficiency of AuCT；
6. the output-parallel capacitor of the uncontrollable rectifier unit of the present invention, eliminates and never controls rectification unit to three-phase inversion
Influence of the circuit stray parameter to LLC circuit soft switch effects between unit, it is ensured that the high efficiency of system；
7. the storehouse electricity consumption pre-charge circuit of the present invention can be under storehouse electricity consumption condition of supplying power by the inverse parallel of three-phase inverter
Diode pair DC support electric capacity is charged, and output contactor is closed after the completion of precharge, can be stabilized to charger and be powered, side
Just Ku Nei or station in debugging efforts.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can be used in one or more computers for wherein including computer usable program code
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Apply specific embodiment in the present invention to be set forth the principle and embodiment of the present invention, above example
Explanation be only intended to help to understand the method and its core concept of the present invention；Simultaneously for those of ordinary skill in the art,
According to the thought of the present invention, it will change in specific embodiments and applications, in summary, in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of AuCT, it is characterised in that including input filter unit, precharge unit, prime boosting unit, intermediate frequency
Isolate DC/DC current transformers, three-phase inversion unit, output filter unit and external output control unit；
The input of the input filter unit is connected with high voltage dc bus, and output end connects the precharge unit, is used for
Filter out the harmonic wave and common mode disturbances of direct current input；
The precharge unit connects the input filter unit, for entering line precharge to DC support electric capacity；
The prime boosting unit connects the precharge unit, for exporting desired DC voltage；
The intermediate frequency isolation DC/DC current transformers connect the prime boosting unit, for what is exported to the prime boosting unit
DC voltage carries out medium frequency inverter, generates the square-wave voltage of intermediate frequency, and the square-wave voltage of the intermediate frequency is carried out after isolation transformation
Rectification is middle dc voltage；
The three-phase inversion unit connects the intermediate frequency isolation DC/DC current transformers, for being by the middle dc voltage inversion
Three-phase main-frequency alternating current；
The output filter unit connects the three-phase inversion unit, for being filtered to the three-phase main-frequency alternating current；
The external output control unit connects the output filter unit, for controlling and by the filtered three-phase main-frequency
Electricity output is exchanged to external loading.
2. AuCT according to claim 1, it is characterised in that it is female that the input filter unit includes positive and negative direct current
RC series arms in parallel between line filter inductance, positive and negative busbar, and the boost function by being multiplexed in the prime boosting unit
Inductance, forms LCL filter.
3. AuCT according to claim 1, it is characterised in that the precharge unit includes main contactor, side
Way switch and pre-charge resistance；
The main contactor is used for the high pressure being switched on or switched off on the high voltage dc bus, and the pre-charge resistance is used for straight
Stream Support Capacitor enters line precharge, and the by-pass switch is in parallel with pre-charge resistance progress, for after the completion of precharge
Bypass the pre-charge resistance.
4. AuCT according to claim 1, it is characterised in that the prime boosting unit boosts including boost
Module, the boost boost modules are made up of boost function inductance, diode, IGBT and DC capacitor, for maintaining the output phase
The DC voltage of prestige.
5. AuCT according to claim 4, it is characterised in that the intermediate frequency isolation DC/DC current transformers include LLC
Medium frequency inverter unit and uncontrollable rectifier unit；
The LLC medium frequency inverters unit includes single-phase inversion unit, resonant capacitor group and intermediate-frequency transformer；
The single-phase inversion unit is connected with the boost boost modules, for the direct current exported to the boost boost modules
Voltage carries out medium frequency inverter, generates the square-wave voltage of intermediate frequency；
The resonant capacitor group and the intermediate-frequency transformer primary side leakage inductance and magnetizing inductance composition LLC series resonant tanks, institute
State intermediate-frequency transformer and transformation processing is carried out to the square-wave voltage of the intermediate frequency, and realize electrical isolation；
The uncontrollable rectifier unit includes diode rectifier bridge and capacitor bank；
The diode rectifier bridge input is connected with the intermediate-frequency transformer secondary, and output is connected with the three-phase inversion unit,
For being the middle dc voltage by the square-wave voltage rectification of the intermediate-frequency transformer secondary；
The capacitor bank and the output-parallel of the diode rectifier bridge, are controlled LLC for eliminating circuit stray parameter
Influence.
6. AuCT according to claim 5, it is characterised in that the three-phase inversion unit includes low-voltage direct branch
Support electric capacity and three-phase inverter；
The DC inverter that the three-phase inverter is used to export the uncontrollable rectifier unit is three-phase main-frequency alternating current, output
To the output filter unit；
The low-voltage direct Support Capacitor is used for the input voltage for stablizing the three-phase inverter.
7. AuCT according to claim 6, it is characterised in that the output filter unit includes three-phase alternating current
Sense and three-phase alternating current electric capacity, for being filtered to the three-phase main-frequency alternating current that the three-phase inverter is exported.
8. AuCT according to claim 6, it is characterised in that it is defeated that the external output control unit includes three-phase
Go out contactor and storehouse electricity consumption pre-charge circuit；
The three-phase output contactor connects the output filter unit, for controlling AuCT under accidental conditions
Load be switched on or switched off；
The storehouse electricity consumption pre-charge circuit is used in external storehouse electricity consumption operating mode, passes through the pole of inverse parallel two of the three-phase inverter
Pipe enters to the DC support electric capacity closes the three-phase output contactor after the completion of line precharge, precharge, be that charger is supplied
Electricity.
9. a kind of traction power unit, including traction convertor and AuCT, it is characterised in that the AuCT is
AuCT as described in claim any one of 1-8.
10. a kind of vehicle, it is characterised in that including traction power unit as claimed in claim 9.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574400A (en) * | 2018-04-18 | 2018-09-25 | 国网山西省电力公司电力科学研究院 | A kind of a wide range of adjustable experimental power supply of alternating current-direct current mixing and its control method |
| CN108768190A (en) * | 2018-07-06 | 2018-11-06 | 深圳奥特迅电力设备股份有限公司 | Circuit, high frequency switch power with wide input voltage range, control method |
| WO2019113918A1 (en) * | 2017-12-11 | 2019-06-20 | 中车永济电机有限公司 | Auxiliary convertor circuit, auxiliary convertor and auxiliary convertor cabinet |
| CN110289764A (en) * | 2019-05-29 | 2019-09-27 | 中国国家铁路集团有限公司 | Power conversion device |
| WO2020019540A1 (en) * | 2018-07-27 | 2020-01-30 | 株洲中车时代电气股份有限公司 | Bidirectional high-frequency auxiliary conversion system |
| CN111439126A (en) * | 2020-04-27 | 2020-07-24 | 中车青岛四方车辆研究所有限公司 | Auxiliary power supply system for urban rail vehicle, air conditioning unit and urban rail vehicle |
| CN112737390A (en) * | 2020-12-25 | 2021-04-30 | 南通大学 | Melt-blown fabric electret power supply based on PWM technology |
| CN112865246A (en) * | 2021-02-03 | 2021-05-28 | 北京国电光宇机电设备有限公司 | Boosting parallel discharging converter for power storage battery |
| CN114552742A (en) * | 2022-03-15 | 2022-05-27 | 福建宏大时代新能源科技有限公司 | High-voltage platform driving and charging integrated main circuit of pure electric mining dump truck |
| CN114552742B (en) * | 2022-03-15 | 2024-04-26 | 福建宏大时代新能源科技有限公司 | High-voltage platform driving and charging integrated main circuit of pure electric mining dump truck |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101527520A (en) * | 2009-01-20 | 2009-09-09 | 华南理工大学 | Single-stage single-phase AC-DC convertor based on LLC series resonance |
| CN201904730U (en) * | 2010-12-28 | 2011-07-20 | 天津电气传动设计研究所 | Novel high-voltage isolated power |
| CN203522572U (en) * | 2012-09-26 | 2014-04-02 | 上海埃斯凯变压器有限公司 | Three-level resonance converter of high-frequency and high-voltage generator |
| CN204304788U (en) * | 2014-12-17 | 2015-04-29 | 长沙广义变流技术有限公司 | A kind of DC power supply device of city rail vehicle air-conditioning |
| CN205377379U (en) * | 2016-01-27 | 2016-07-06 | 株洲南车时代电气股份有限公司 | Electric locomotive machine that charges |
| CN106452151A (en) * | 2016-12-02 | 2017-02-22 | 中车青岛四方车辆研究所有限公司 | Single-phase inverter for motor train unit |
| CN206135742U (en) * | 2016-09-27 | 2017-04-26 | 大连英博环保工程有限公司 | High frequency power supply for electric precipitation |
| CN206727903U (en) * | 2017-05-17 | 2017-12-08 | 中国铁道科学研究院 | A kind of AuCT, traction power unit and vehicle |
-
2017
- 2017-05-17 CN CN201710350875.8A patent/CN107070282A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101527520A (en) * | 2009-01-20 | 2009-09-09 | 华南理工大学 | Single-stage single-phase AC-DC convertor based on LLC series resonance |
| CN201904730U (en) * | 2010-12-28 | 2011-07-20 | 天津电气传动设计研究所 | Novel high-voltage isolated power |
| CN203522572U (en) * | 2012-09-26 | 2014-04-02 | 上海埃斯凯变压器有限公司 | Three-level resonance converter of high-frequency and high-voltage generator |
| CN204304788U (en) * | 2014-12-17 | 2015-04-29 | 长沙广义变流技术有限公司 | A kind of DC power supply device of city rail vehicle air-conditioning |
| CN205377379U (en) * | 2016-01-27 | 2016-07-06 | 株洲南车时代电气股份有限公司 | Electric locomotive machine that charges |
| CN206135742U (en) * | 2016-09-27 | 2017-04-26 | 大连英博环保工程有限公司 | High frequency power supply for electric precipitation |
| CN106452151A (en) * | 2016-12-02 | 2017-02-22 | 中车青岛四方车辆研究所有限公司 | Single-phase inverter for motor train unit |
| CN206727903U (en) * | 2017-05-17 | 2017-12-08 | 中国铁道科学研究院 | A kind of AuCT, traction power unit and vehicle |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019113918A1 (en) * | 2017-12-11 | 2019-06-20 | 中车永济电机有限公司 | Auxiliary convertor circuit, auxiliary convertor and auxiliary convertor cabinet |
| CN108574400A (en) * | 2018-04-18 | 2018-09-25 | 国网山西省电力公司电力科学研究院 | A kind of a wide range of adjustable experimental power supply of alternating current-direct current mixing and its control method |
| CN108768190A (en) * | 2018-07-06 | 2018-11-06 | 深圳奥特迅电力设备股份有限公司 | Circuit, high frequency switch power with wide input voltage range, control method |
| WO2020019540A1 (en) * | 2018-07-27 | 2020-01-30 | 株洲中车时代电气股份有限公司 | Bidirectional high-frequency auxiliary conversion system |
| CN110289764A (en) * | 2019-05-29 | 2019-09-27 | 中国国家铁路集团有限公司 | Power conversion device |
| CN111439126A (en) * | 2020-04-27 | 2020-07-24 | 中车青岛四方车辆研究所有限公司 | Auxiliary power supply system for urban rail vehicle, air conditioning unit and urban rail vehicle |
| CN112737390A (en) * | 2020-12-25 | 2021-04-30 | 南通大学 | Melt-blown fabric electret power supply based on PWM technology |
| CN112865246A (en) * | 2021-02-03 | 2021-05-28 | 北京国电光宇机电设备有限公司 | Boosting parallel discharging converter for power storage battery |
| CN114552742A (en) * | 2022-03-15 | 2022-05-27 | 福建宏大时代新能源科技有限公司 | High-voltage platform driving and charging integrated main circuit of pure electric mining dump truck |
| CN114552742B (en) * | 2022-03-15 | 2024-04-26 | 福建宏大时代新能源科技有限公司 | High-voltage platform driving and charging integrated main circuit of pure electric mining dump truck |
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